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If)9.7( )]TJ 9.9998 0 0 9.9998 424.1991 642.0406 Tm 0 Tc 0 Tw (0)Tj -1.392 0 TD (\))Tj -0.804 0 TD (\()Tj /F7 1 Tf 1.404 0 TD ()Tj /F5 1 Tf 9.9914 0 0 9.9914 405.5991 642.0406 Tm (v)Tj -1.4893 0 TD (Z)Tj 6.9998 0 0 6.9998 397.1991 639.5207 Tm (n)Tj /F2 1 Tf 9.9998 0 0 9.9998 431.7591 642.0406 Tm 0.004 Tc [(bu)12(t)6( )]TJ /F7 1 Tf 10.02 0 3.4271 10.02 508.079 642.0406 Tm 0 Tc ( )Tj 10.02 0 0 10.02 501.1191 642.0406 Tm (\012)Tj -1.5329 0 TD ()Tj -3.6886 0 TD ()Tj /F5 1 Tf 4.4431 0 TD (k)Tj -1.7485 0 TD (v)Tj -2.0838 0 TD (F)Tj 7.0139 0 0 7.0139 467.2791 639.6407 Tm (q)Tj -0.8212 0 TD (p)Tj /F2 1 Tf 10.02 0 0 10.02 494.9991 645.4007 Tm ()Tj -1.4491 -0.3353 TD (\))Tj -0.8024 0 TD (\()Tj -1.497 0.2994 TD ()Tj 7.0139 0 0 7.0139 465.3591 639.6407 Tm (,)Tj 10.02 0 0 10.02 516.119 642.0406 Tm 0.0006 Tc 0.1446 Tw [(, or if)10.2( )]TJ -42.5629 -2 TD 0 Tc 0 Tw (1)Tj -1.3293 0 TD (\))Tj -0.8144 0 TD (\()Tj /F7 1 Tf 1.4252 0 TD ()Tj /F5 1 Tf -1.0778 0 TD (v)Tj -1.509 0 TD (Z)Tj 7.0139 0 0 7.0139 63.1191 619.4807 Tm (n)Tj /F2 1 Tf 10.02 0 0 10.02 96.1191 622.0007 Tm 0.0025 Tc -0.001 Tw [( bu)11.5(t)5.1( )]TJ /F7 1 Tf 10.02 0 3.4271 10.02 181.3191 622.0007 Tm 0 Tc 0 Tw ( )Tj 10.02 0 0 10.02 176.6391 622.0007 Tm ()Tj -0.8144 0 TD ()Tj -1.509 0 TD ()Tj -3.6886 0 TD ()Tj /F5 1 Tf 4.4431 0 TD (k)Tj -1.7485 0 TD (v)Tj -2.0838 0 TD (F)Tj 7.0139 0 0 7.0139 134.8791 619.6007 Tm (q)Tj -0.8212 0 TD (p)Tj /F2 1 Tf 10.02 0 0 10.02 162.5991 625.3607 Tm ()Tj -1.4491 -0.3353 TD (\))Tj -0.8024 0 TD (\()Tj -1.497 0.2994 TD ()Tj 7.0139 0 0 7.0139 132.9591 619.6007 Tm (,)Tj 10.02 0 0 10.02 190.3191 622.0007 Tm -0.0012 Tc 0.2183 Tw [(, SA)14.2(R)7.1(I)-3.5( con)7.8(c)-0.3(lu)7.8(des th)7.8(at eith)7.8(er DC)7.1(T)-13( coef)8.4(f)8.4(i)1.4(cien)7.8(t or )12(both)7.8( )12(DC)7.1(T)-13( )12(coef)8.4(f)8.4(i)1.4(cien)7.8(ts )12(h)7.8(a)-0.3(v)7.8(e)-0.3( )12(been)7.8( )]TJ -13.5569 -1.6287 TD -0.0021 Tc 0.0156 Tw [(m)21.4(a)-1.2(licio)-5.1(u)6.9(s)3.7(ly)18.9( m)21.4(a)-1.2(n)6.9(i)0.5(p)-5.1(u)6.9(lated)-5.1(.)-3.6( A)13.3( sm)21.4(all to)-5.1(leran)6.9(ce b)-5.1(o)-5.1(u)6.9(n)6.9(d)-5.1( )]TJ ET q 258.599 603.401 5.76 9.24 re W n BT /F7 1 Tf 10.4578 0 3.5766 10.4578 258.5991 605.6807 Tm 0 Tc 0 Tw ( )Tj ET Q BT 10.02 0 0 10.02 266.8791 605.6807 Tm -0.0005 Tc 0.0259 Tw [( )23.9(is )11.9(in)8.5(trodu)8.5(ced )11.9(in)8.5( th)8.5(e com)23(p)-3.5(arison)8.5( to av)8.5(oid sm)23(all dif)9.1(f)9.1(e)0.4(ren)8.5(ce cau)8.5(sed by)20.5( )]TJ -21.1976 -1.2335 TD -0.0012 Tc 0.0985 Tw [(rou)7.8(n)7.8(d)-4.2(in)7.8(g)7.8( )12(pix)7.8(e)-0.3(l )12(v)7.8(a)-0.3(lu)7.8(es )12(to in)7.8(teg)7.8(e)-0.3(rs, dif)8.4(f)8.4(e)-0.3(ren)7.8(t)1.3( DC)7.1(T)-13( im)22.3(plem)22.3(en)7.8(tation)7.8(,)-2.7( etc. If)8.4( all resu)7.8(lts ag)7.8(ree w)26.2(i)1.3(th)7.8( th)7.8(eir f)8.4(eatu)7.8(r)-3.5(e bits an)7.8(d th)7.8(e )]TJ 0 -1.1737 TD -0.0077 Tc 0.0212 Tw [(c)-6.8(a)-6.8(l)-5.1(c)-6.8(u)1.3(l)-5.1(a)-6.8(t)-5.2(e)-6.8(d)-10.7( m)15.8(e)-6.8(a)-6.8(n)1.3(s a)-6.8(r)-10(e)-6.8( c)-6.8(l)-5.1(o)-10.7(s)-1.9(e)-6.8( e)-6.8(n)1.3(o)-10.7(ugh t)-5.1(o)-10.7( t)-5.1(h)1.3(e)-6.8( r)-10(e)-6.8(c)-6.8(o)-10.7(r)-10(d)-10.7(e)-6.8(d)-10.7( m)15.8(e)-6.8(a)-6.8(n)1.3(s i)-5.1(n)1.3( t)-5.1(h)1.3(e)-6.8( si)-5.2(gna)-6.8(t)-5.2(u)1.3(r)-10(e)-6.8(,)-9.2( t)-5.1(h)1.3(e)-6.8( i)-5.1(m)15.8(a)-6.8(g)1.3(e)-6.8( i)-5.1(s)-1.9( )-11.9(c)-6.8(l)-5.2(a)-6.8(i)-5.1(m)15.8(e)-6.8(d)-10.7( )-11.9(t)-5.1(o)-10.7( )-11.9(b)-10.7(e)-6.8( )-12(a)-6.8(u)1.3(t)-5.2(h)1.3(e)-6.8(n)1.3(t)-5.1(i)-5.2(c)-6.8(;)-5.2( )-12(o)-10.7(t)-5.2(he)-6.8(r)-10(w)19.7(i)-5.2(s)-1.9(e)-6.8( )]TJ T* -0.0007 Tc 0.0142 Tw [(m)22.8(a)0.2(n)8.3(i)1.9(pu)8.3(lated. )12(We )12(n)8.3(o)-3.7(te )12(h)8.3(e)0.2(re th)8.3(at th)8.3(e J)-6.9(P)-7.6(EG qu)8.3(an)8.3(tization)8.3( table is n)8.3(eeded f)8.9(o)-3.7(r im)22.8(ag)8.3(e au)8.3(th)8.3(en)8.3(tication)8.3( u)8.3(n)8.3(l)1.9(ess th)8.3(e af)8.9(orem)22.8(en)8.3(tion)8.3(ed )12( )]TJ 0 -1.2335 TD -0.0026 Tc 0 Tw [(th)6.4(resh)6.4(o)-5.6(l)0(d)]TJ 10.4676 0 0 10.4676 109.6791 557.4407 Tm 0 Tc (0)Tj /F7 1 Tf -0.791 0 TD ()Tj /F5 1 Tf -0.7681 0 TD (k)Tj /F2 1 Tf 10.02 0 0 10.02 116.5191 557.4407 Tm -0.0005 Tc 0.002 Tw [(. T)-12.3(h)8.5(is m)23(a)0.4(y)20.5( pu)8.5(t a stron)8.5(g)8.5( lim)23(itation)8.5( on)8.5( th)8.5(e u)8.5(s)5.3(e of)9.1( n)8.5(o)-3.5(n)8.5(-)9.1(zero th)8.5(resh)8.5(olds in)8.5( som)23(e)0.4( application)8.5(s)5.3(. For ex)8.5(am)23(ple, )-12(th)8.5(e )]TJ -6.1916 -1.2335 TD -0.0009 Tc 0.0623 Tw [(f)8.7(eatu)8.1(r)-3.2(e )12(codes )12(g)8.1(e)0(n)8.1(e)0(rated )12(by)20.1( )12(com)22.6(p)-3.9(arin)8.1(g)8.1( w)26.5(ith)8.1( n)8.1(o)-3.9(n)8.1(-)8.7(zero th)8.1(resh)8.1(olds can)8.1(n)8.1(o)-3.9(t be u)8.1(s)4.9(ed if)8.7( th)8.1(e im)22.6(ag)8.1(e to be au)8.1(th)8.1(en)8.1(ticated ch)8.1(an)8.1(g)8.1(e)0(s )]TJ 0 -1.1737 TD -0.0016 Tc 0.0151 Tw [(to)-4.6( a n)7.4(o)-4.6(n)7.4(-)8(J)-7.8(P)-8.5(EG f)8(o)-4.6(rm)21.9(at. In)7.4( ad)-4.6(d)-4.6(itio)-4.6(n)7.4(,)-3.1( if)8( an)7.4( im)21.9(ag)7.4(e u)7.4(n)7.4(d)-4.6(erg)7.4(o)-4.6(es J)-7.8(P)-8.5(EG co)-4.6(m)21.9(p)-4.6(ressio)-4.6(n)7.4( tw)25.8(ice an)7.4(d)-4.6( )-12(if)8( )-11.9(th)7.4(e )-11.9(f)8(i)1(rst )-11.9(J)-7.8(P)-8.5(EG )-12(co)-4.6(m)21.9(p)-4.6(ressio)-4.6(n)7.4( )-11.9(h)7.4(a)-0.7(s )]TJ T* -0.0007 Tc 0.1339 Tw [(larg)8.3(er qu)8.3(an)8.3(tization)8.3( steps, SA)14.7(R)7.6(I)-3( claim)22.8(s)5.1( th)8.3(e im)22.8(ag)8.3(e in)8.3(au)8.3(th)8.3(en)8.3(tic. For w)26.7(a)0.2(term)22.8(ark)8.3(i)1.9(n)8.3(g)8.3( based SA)14.7(R)7.6(I)-3( )-12(described )-12(in)8.3( )-12([5][6], )-12(it )-12(is )]TJ 0 -1.2335 TD -0.0017 Tc 0.0032 Tw [(ty)19.3(p)-4.7(i)0.9(cal to)-4.7( u)7.3(s)4.1(e o)-4.7(n)7.3(ly)19.3( th)7.3(e th)7.3(resh)7.3(o)-4.7(l)0.9(d)-4.7( )]TJ 10.4676 0 0 10.4676 202.4391 509.2007 Tm 0 Tc 0 Tw (0)Tj /F7 1 Tf -0.791 0 TD ()Tj /F5 1 Tf -0.7681 0 TD (k)Tj /F2 1 Tf 10.02 0 0 10.02 209.2791 509.2007 Tm -0.0081 Tc 0.0096 Tw [( si)-5.6(nc)-7.2(e)-7.2( w)19.3(a)-7.2(t)-5.5(e)-7.2(r)-10.4(m)15.4(a)-7.2(r)-10.4(ki)-5.5(ng sc)-7.2(he)-7.2(m)15.4(e)-7.2(s ha)-7.2(ve)-7.2( l)-5.5(i)-5.6(m)15.4(i)-5.5(t)-5.6(e)-7.2(d)-11.1( d)-11.1(a)-7.2(t)-5.6(a)-7.2( e)-7.2(m)15.4(b)-11.1(e)-7.2(d)-11.1(d)-11.1(i)-5.5(ng c)-7.2(a)-7.2(p)-11.1(a)-7.2(c)-7.2(i)-5.6(t)-5.5(i)-5.6(e)-7.2(s)-2.3(.)-9.6( )]TJ -13.8802 -1.2335 TD 0 Tc 0.1213 Tw [(S)5.1(e)0.9(v)9(e)0.9(ral v)9(u)9(l)2.6(n)9(e)0.9(rabilities)5.8( of)9.6( th)9(e S)5.1(A)15.4(R)8.3(I)-2.3( s)5.8(y)21(s)5.8(t)2.6(em)23.5( h)9(a)0.9(v)9(e)0.9( been)9( reported in)9( th)9(e literatu)9(re. R)8.3(a)0.9(dh)9(ak)9(ris)5.8(h)9(n)9(a)0.9(n)9( )-11.9(an)9(d )-11.9(M)2.8(e)0.9(m)23.5(o)-3(n)9( )-11.9([7][8] )]TJ -1.5689 -1.2335 TD 0.0011 Tc 0.0723 Tw [(propos)6.9(ed an)10.1( at)3.7(t)3.7(ack)10.1( t)3.7(o)-1.9( f)10.7(i)3.7(n)10.1(d)-1.9( ou)10.1(t)3.7( t)3.6(h)10.1(e s)6.9(ecret)3.7( m)24.6(a)2(ppi)3.7(n)10.1(g)10.1( f)10.7(u)10.1(n)10.1(c)2(t)3.6(i)3.7(on)10.1( )]TJ /F5 1 Tf 10.4676 0 0 10.4676 296.5191 484.4807 Tm 0 Tc 0 Tw (W)Tj /F2 1 Tf 10.02 0 0 10.02 308.6391 484.4807 Tm -0.0011 Tc 0.0864 Tw [( )83.8(if)8.5( )11.9(m)22.4(u)7.9(ltiple im)22.4(ag)7.9(es are av)7.9(ailable w)26.3(h)7.9(ose f)8.6(eatu)7.9(r)-3.4(e codes are )]TJ -25.3653 -1.2335 TD -0.0089 Tc 0.0224 Tw [(kno)-11.9(w)18.5(n)0.1( a)-8(n)0.1(d)-11.9( ge)-8(ne)-8(r)-11.2(a)-8(t)-6.3(e)-8(d)-11.9( w)18.5(i)-6.3(t)-6.3(h)0.1( t)-6.3(h)0.1(e)-8( sa)-8(m)14.6(e)-8( m)14.6(a)-8(p)-11.9(p)-11.9(i)-6.3(ng func)-8(t)-6.3(i)-6.3(o)-11.9(n.)-10.4( T)-20.7(h)0.1(e)-8(y)12.1( fo)-11.9(und)-11.9( o)-11.9(u)0.1(t)-6.3( t)-6.3(h)0.1(a)-8(t)-6.4( t)-6.3(h)0.1(e)-8( m)14.6(a)-8(p)-11.9(p)-11.9(i)-6.3(ng func)-8(t)-6.3(i)-6.4(o)-11.9(n)0.1( )]TJ /F5 1 Tf 8.626 0 0 8.626 445.6791 471.6407 Tm 0 Tc 0 Tw (W)Tj /F2 1 Tf 10.02 0 0 10.02 457.7991 472.1207 Tm 0.0017 Tc 0.0237 Tw [(cou)10.7(l)4.3(d )11.9(be dedu)10.7(ced on)10.7( )]TJ -40.2515 -1.2335 TD -0.009 Tc 0.1782 Tw [(a)-8.1(v)0(e)-8.1(r)-11.3(a)-8.1(g)0(e)-8.1( b)-12(y)12( r)-11.3(o)-12(ughl)-6.4(y)12( 2)-12(8)-12( i)-6.4(m)14.5(a)-8.1(g)0(e)-8.1(s)-3.2( o)-12(f)0.6( )]TJ 14.2754 0 TD -0.0004 Tc 0.1696 Tw [(512 by)20.6( 512 pix)8.6(e)0.5(ls)5.4(. T)-12.2(h)8.6(e attack)8.6( is)5.4( in)8.6(ef)9.2(f)9.3(ectiv)8.6(e if)9.2( each)8.6( im)23.1(ag)8.6(e u)8.6(s)5.4(es)5.4( dif)9.3(f)9.2(eren)8.6(t )12(m)23.1(a)0.5(ppin)8.6(g)8.6( )]TJ -14.2754 -1.1737 TD 0.0007 Tc 0.0367 Tw [(f)10.3(u)9.7(n)9.7(c)1.6(t)3.3(i)3.3(o)-2.3(n)9.7( or t)3.3(h)9.7(e f)10.3(eat)3.2(u)9.7(r)-1.6(e codes)6.5( are en)9.7(cry)21.7(p)-2.3(t)3.3(e)1.6(d s)6.5(u)9.7(ch)9.7( as)6.5( propos)6.5(ed i)3.3(n)]TJ 0.297 g 25.4611 0 TD 0 Tc 0 Tw ( )Tj 0 g 0.2874 0 TD 0.0002 Tc 0.0492 Tw [([3][4] )12(an)9.2(d k)9.2(e)1.1(pt aw)27.6(ay)21.2( f)9.8(r)-2.1(om)23.7( attack)9.2(ers. Ueh)9.2(a)1.1(ra an)9.2(d Saf)9.8(a)1.1(v)9.2(i)2.7(-)]TJ -25.7485 -1.1737 TD 0.0006 Tc 0.0847 Tw [(N)4(a)1.5(i)3.2(n)9.6(i)3.2( [9] propos)6.4(ed an)9.6( oracl)3.2(e at)3.2(t)3.2(ack)9.6( t)3.2(o)-2.4( u)9.6(s)6.4(e on)9.6(e au)9.6(t)3.2(h)9.6(en)9.6(t)3.2(i)3.2(cat)3.2(ed i)3.2(m)24.1(ag)9.6(e t)3.2(o)-2.4( f)10.2(i)3.2(n)9.6(d)-2.4( ou)9.6(t)3.1( )-12(t)3.1(h)9.6(e )-12(s)6.4(ecret)3.2( )-12(bl)3.1(ock)9.6( )-12(pai)3.1(r)-1.7(s)6.4(,)-0.9( )-12(i)3.2(.)-0.9(e., )-12(t)3.1(h)9.6(e )-12(m)24.1(a)1.5(ppi)3.2(n)9.6(g)9.6( )]TJ 0 -1.2335 TD -0.0091 Tc 0 Tw [(func)-8.2(t)-6.5(i)-6.5(o)-12.1(n )]TJ /F5 1 Tf 10.4676 0 0 10.4676 92.3991 423.8807 Tm 0 Tc (W)Tj /F2 1 Tf 10.02 0 0 10.02 105.9591 423.8807 Tm -0.0021 Tc 0.291 Tw [(, )-12(an)6.9(d)-5.1( )-12(th)6.9(en)6.9( )-12(to)-5.1( )-12(u)6.9(s)3.7(e th)6.9(is in)6.9(f)7.5(o)-5.1(rm)21.4(atio)-5.1(n)6.9( to)-5.1( p)-5.1(r)-4.4(o)-5.1(d)-5.1(u)6.9(ce v)6.9(i)0.4(su)6.9(ally)18.9( u)6.9(n)6.9(d)-5.1(etectab)-5.1(le m)21.4(a)-1.2(n)6.9(i)0.4(p)-5.1(u)6.9(latio)-5.1(n)6.9(s)3.7( to)-5.1( p)-5.1(a)-1.2(ss th)6.9(e SA)13.3(R)6.2(I)-4.4( )]TJ -5.1377 -1.2335 TD -0.0081 Tc 0.1174 Tw [(a)-7.2(u)0.9(t)-5.5(h)0.9(e)-7.2(n)0.9(t)-5.5(i)-5.5(c)-7.2(a)-7.2(t)-5.5(i)-5.6(o)-11.1(n sy)12.9(st)-5.5(e)-7.2(m)15.4(.)-9.6( T)-19.9(h)0.9(e)-7.2(i)-5.6(r)-10.4( sc)-7.2(he)-7.2(m)15.4(e)-7.2( t)-5.5(o)-11.1( fi)-5.5(nd)-11.1( t)-5.5(h)0.9(e)-7.2( unkno)-11.1(w)19.3(n)0.9( b)-11.1(l)-5.6(o)-11.1(c)-7.2(k )]TJ ET q 319.799 408.161 4.92 9 re W n BT /F5 1 Tf 9.8582 0 0 9.8582 319.7991 410.5607 Tm 0 Tc 0 Tw (q)Tj ET Q BT 10.02 0 0 10.02 327.8391 411.5207 Tm 0.0012 Tc 0.1201 Tw [(w)28.6(h)10.2(i)3.8(c)2.1(h)10.2( )12(f)10.8(o)-1.8(rm)24.7(s)7( )12(a )12(bl)3.7(ock)10.2( pai)3.8(r)-1.1( w)28.6(i)3.7(t)3.8(h)10.2( a k)10.2(n)10.2(o)-1.8(w)28.6(n)10.2( bl)3.7(ock)10.2( )]TJ /F5 1 Tf 9.8582 0 0 9.8582 523.079 410.5607 Tm 0 Tc 0 Tw (p)Tj /F2 1 Tf 10.02 0 0 10.02 531.8391 411.5207 Tm -0.0023 Tc 0.0038 Tw ( is )Tj -47.6407 -1.4371 TD 0.0016 Tc -0.0001 Tw [(des)7.4(c)2.5(ri)4.1(bed as)7.4( f)11.2(o)-1.4(l)4.2(l)4.1(ow)29(s)7.4(:)4.2( )]TJ 1.5689 -1.1736 TD 0 Tc 0 Tw ( )Tj 9.5329 -1.2216 TD -0.0002 Tc 0.0017 Tw [(L)12(oop u)8.8(n)8.8(til th)8.8(e block)8.8( )]TJ /F5 1 Tf 10.4676 0 0 10.4676 251.1591 373.1207 Tm 0 Tc 0 Tw (q)Tj /F2 1 Tf 10.02 0 0 10.02 258.3591 373.1207 Tm 0.0001 Tc 0.0014 Tw [( is)5.9( f)9.7(o)-2.9(u)9.1(n)9.1(d)-2.9(, )]TJ ET 160.079 382.961 0.48 -0.48 re f 160.079 382.961 0.48 -0.48 re f 160.559 382.961 274.32 -0.48 re f 434.879 382.961 0.48 -0.48 re f 434.879 382.961 0.48 -0.48 re f 160.079 382.481 0.48 -14.4 re f 434.879 382.481 0.48 -14.4 re f BT 10.02 0 0 10.02 165.7191 358.2407 Tm 0.003 Tc 0 Tw (1.)Tj /F9 1 Tf 9.96 0 0 9.96 173.2791 358.2407 Tm 0 Tc ( )Tj /F2 1 Tf 10.02 0 0 10.02 183.7191 358.2407 Tm 0.0012 Tc 0.0003 Tw [(C)9.5(h)10.2(oos)7(e a bl)3.8(ock)10.2( )]TJ /F5 1 Tf 10.4676 0 0 10.4676 249.5991 358.2407 Tm 0 Tc 0 Tw (r)Tj /F2 1 Tf 10.02 0 0 10.02 256.7991 358.2407 Tm -0.0019 Tc 0.0034 Tw [( su)7.1(ch)7.1( th)7.1(at )]TJ /F5 1 Tf 10.4676 0 0 10.4676 316.5591 358.2407 Tm 0 Tc 0 Tw (p)Tj ET q 299.159 355.721 4.08 10.44 re W n BT 10.4676 0 0 10.4676 299.1591 358.2407 Tm (r)Tj ET Q BT /F7 1 Tf 10.4676 0 0 10.4676 306.5991 358.2407 Tm ( )Tj /F2 1 Tf 10.02 0 0 10.02 324.3591 358.2407 Tm 0.0015 Tc (, )Tj -15.8323 -1.4371 TD 0.003 Tc (2.)Tj /F9 1 Tf 9.96 0 0 9.96 173.2791 343.8407 Tm 0 Tc ( )Tj /F2 1 Tf 10.02 0 0 10.02 183.7191 343.8407 Tm 0.003 Tc [(M)5.8(odi)5.6(f)12.6(y)24( )]TJ /F5 1 Tf 9.8582 0 0 9.8582 219.2391 342.8807 Tm 0 Tc (p)Tj /F2 1 Tf 10.02 0 0 10.02 227.9991 343.8407 Tm 0.0011 Tc 0.0004 Tw [( an)10.1(d )]TJ /F5 1 Tf 10.4676 0 0 10.4676 249.2391 343.8407 Tm 0 Tc 0 Tw (r)Tj /F2 1 Tf 10.02 0 0 10.02 256.4391 343.8407 Tm -0.0001 Tc 0.0016 Tw [( by)20.9( th)8.9(e sam)23.4(e)0.8( am)23.4(ou)8.9(n)8.9(t)2.5( )]TJ ET q 342.719 341.441 7.2 9.36 re W n BT /F5 1 Tf 10.02 0 0 10.02 342.7191 343.8407 Tm 0 Tc 0 Tw (m)Tj ET Q BT 10.02 0 0 10.02 351.959 343.8407 Tm 0.0015 Tc 0 Tw (, )Tj -18.5868 -1.4371 TD 0.003 Tc (3.)Tj /F9 1 Tf 9.96 0 0 9.96 173.2791 329.4407 Tm 0 Tc ( )Tj /F2 1 Tf 10.02 0 0 10.02 183.7191 329.4407 Tm -0.0002 Tc 0.0017 Tw [(Sen)8.8(d)-3.2( th)8.8(e m)23.3(odif)9.4(i)2.4(ed im)23.3(ag)8.8(e to th)8.8(e oracle an)8.8(d observ)8.8(e)0.7( its ou)8.8(tpu)8.8(t)2.3(. )]TJ -1.7964 -1.1737 TD 0.003 Tc 0 Tw (4.)Tj /F9 1 Tf 9.96 0 0 9.96 173.2791 317.6807 Tm 0 Tc ( )Tj /F2 1 Tf 10.02 0 0 10.02 183.7191 317.6807 Tm -0.0006 Tc 0.0021 Tw [(If)9( it is accepted, th)8.4(en)8.4( )]TJ ET q 288.119 315.161 4.08 9.48 re W n BT /F5 1 Tf 10.4676 0 0 10.4676 288.119 317.6807 Tm 0 Tc 0 Tw (r)Tj ET Q q 271.439 315.161 5.28 9.48 re W n BT /F5 1 Tf 10.4676 0 0 10.4676 271.4391 317.6807 Tm 0 Tc 0 Tw (q)Tj ET Q BT /F7 1 Tf 10.5 0 0 10.5 279.5991 317.6807 Tm 0 Tc 0 Tw ()Tj /F2 1 Tf 10.02 0 0 10.02 294.5991 317.6807 Tm 0.0002 Tc 0.0013 Tw [( is)6( f)9.8(o)-2.8(u)9.2(n)9.2(d)-2.8(. )]TJ ET 160.079 368.081 0.48 -0.48 re f 160.559 368.081 274.32 -0.48 re f 434.879 368.081 0.48 -0.48 re f 160.079 367.601 0.48 -54.96 re f 160.079 312.641 0.48 -0.48 re f 160.079 312.641 0.48 -0.48 re f 160.559 312.641 274.32 -0.48 re f 434.879 367.601 0.48 -54.96 re f 434.879 312.641 0.48 -0.48 re f 434.879 312.641 0.48 -0.48 re f BT 10.02 0 0 10.02 70.1991 302.8007 Tm 0 Tc 0 Tw ( )Tj 0 -1.2335 TD -0.008 Tc 0.0694 Tw [(T)-19.8(h)1(i)-5.4(s)-2.2( sc)-7.1(he)-7.1(m)15.5(e)-7.1(,)-9.5( ho)-11(w)19.4(e)-7.1(ve)-7.1(r)-10.3(,)-9.5( ne)-7.1(e)-7.1(d)-11(s t)-5.4(o)-11( )-12(kno)-11(w)19.4( )-12(t)-5.4(h)1(e)-7.1( )-12(t)-5.4(h)1(r)-10.3(e)-7.1(sho)-11(l)-5.4(d)-11(s)-2.2( )-1281.4(})]TJ 21.7126 0 TD 0 Tc 0 Tw ({)Tj /F5 1 Tf 7.0139 0 0 7.0139 297.239 287.9207 Tm (i)Tj 10.02 0 0 10.02 292.1991 290.4407 Tm (k)Tj /F2 1 Tf 1.4611 0 TD -0.0084 Tc 0.0818 Tw [(use)-7.5(d)-11.4( i)-5.9(n)0.6( ge)-7.5(ne)-7.5(r)-10.7(a)-7.5(t)-5.8(i)-5.9(ng t)-5.9(h)0.6(e)-7.5( si)-5.8(gna)-7.5(t)-5.8(u)0.6(r)-10.7(e)-7.5(.)-9.9( O)-5(t)-5.9(he)-7.5(r)-10.7(w)19(i)-5.9(s)-2.6(e)-7.5( t)-5.8(h)0.6(e)-7.5( p)-11.4(a)-7.5(r)-10.7(a)-7.5(m)15.1(e)-7.5(t)-5.9(e)-7.5(r)-10.7( )]TJ /F5 1 Tf -25.006 -1.4371 TD 0 Tc 0 Tw (m)Tj /F2 1 Tf 0.9222 0 TD -0.001 Tc 0.0744 Tw [(in)8( )12(th)8(e )12(secon)8(d)-4( )12(step )12(abov)8(e )12(m)22.5(a)-0.1(y)20( )12(be )12(too sm)22.5(all th)8(at tw)26.4(o block)8(s)4.8( of)8.6( dif)8.6(f)8.6(e)-0.1(ren)8(t)1.6( pairs m)22.5(a)-0.1(y)20( pass th)8(e au)8(th)8(en)8(tication)8( test an)8(d th)8(e )]TJ -1.1018 -1.2934 TD -0.0008 Tc 0.0861 Tw [(sch)8.2(e)0.1(m)22.7(e)0.1( )11.9(in)8.2(correctly)20.2( )11.9(con)8.2(c)0.1(lu)8.2(des )11.9(th)8.2(at )11.9(th)8.2(e )11.9(tw)26.6(o block)8.2(s)5( are a pair u)8.2(s)5(ed by)20.2( SA)14.6(R)7.5(I)-3.1(. If)8.8( th)8.2(e th)8.2(resh)8.2(olds )-1257.5(})]TJ 38.1317 0 TD 0 Tc 0 Tw ({)Tj /F5 1 Tf 7.0139 0 0 7.0139 446.0391 260.5607 Tm (i)Tj 10.02 0 0 10.02 440.9991 263.0807 Tm (k)Tj /F2 1 Tf 1.4611 0 TD 0.0004 Tc 0.0849 Tw [(are k)9.4(n)9.4(o)-2.6(w)27.8(n)9.4(, )]TJ ET q 504.839 260.681 9.24 9.36 re W n BT /F5 1 Tf 10.02 0 0 10.02 504.8391 263.0807 Tm 0 Tc 0 Tw (m)Tj ET Q BT 10.02 0 0 10.02 514.079 263.0807 Tm -0.0074 Tc 0.0089 Tw [( ha)-6.5(s )-83.8(t)-4.8(o)-10.4( )]TJ -45.8683 -1.509 TD -0.0004 Tc 0.0498 Tw [(s)5.4(a)0.5(tis)5.4(f)9.2(y)20.6( )12(th)8.6(e )12(f)9.2(o)-3.4(llow)27(i)2.2(n)8.6(g)8.6( )12(con)8.6(d)-3.4(ition)8.6( )12(to )12(av)8.6(oid th)8.6(e f)9.2(a)0.5(ls)5.4(e alarm)23.1( j)-9.8(u)8.6(s)5.4(t)2.2( m)23.1(e)0.5(n)8.6(t)2.2(ion)8.6(e)0.5(d: s)5.4(u)8.6(ppos)5.4(e )]TJ /F5 1 Tf 7.0139 0 0 7.0139 384.5991 245.4407 Tm -0.0041 Tc 0 Tw (low)Tj 10.02 0 0 10.02 379.6791 247.9607 Tm 0 Tc (k)Tj /F7 1 Tf 0.5509 0.0599 TD ( )Tj /F2 1 Tf 1.1617 -0.0599 TD 0.0011 Tc 0.0004 Tw [( an)10.1(d )]TJ /F5 1 Tf 7.0139 0 0 7.0139 422.9991 245.5607 Tm -0.0027 Tc 0 Tw (upper)Tj 10.02 0 0 10.02 418.0791 247.9607 Tm 0 Tc (k)Tj /F7 1 Tf 0.5509 0.0719 TD ( )Tj /F2 1 Tf 1.8683 -0.0719 TD 0.0006 Tc 0.0488 Tw [( )47.9(are th)9.6(e low)28(e)1.5(r an)9.6(d u)9.6(pper )]TJ -38.7066 -1.6287 TD -0.0009 Tc 0.0982 Tw [(bou)8.1(n)8.1(d)-3.9(s of)8.7( th)8.1(e possible v)8.1(a)0(lu)8.1(es f)8.7(o)-3.9(r a dif)8.7(f)8.7(e)0(ren)8.1(ce of)8.7( DC)7.4(T)-12.7( coef)8.7(f)8.7(i)1.7(cien)8.1(ts at th)8.1(e f)8.7(r)-3.2(equ)8.1(e)0(n)8.1(c)0(y)20.1( bin)8.1( u)8.1(n)8.1(d)-3.9(er )-12(discu)8.1(ssion)8.1(, )-12(respectiv)8.1(ely)20.1(,)-2.4( )]TJ 0 -1.1737 TD 0.0011 Tc 0.9106 Tw [(an)10.1(d s)6.9(u)10.1(ppos)6.9(e t)3.7(h)10.1(e pos)6.9(s)6.9(i)3.6(bl)3.7(e v)10.1(a)2(l)3.7(u)10.1(es)6.9( of)10.7( t)3.7(h)10.1(e di)3.7(f)10.7(f)10.7(e)2(ren)10.1(ce are part)3.7(i)3.7(t)3.6(i)3.7(o)-1.9(n)10.1(e)2(d by)22.1( t)3.6(h)10.1(e t)3.6(h)10.1(res)6.9(h)10.1(ol)3.7(ds)6.9( i)3.6(n)10.1(t)3.7(o)-1.9( t)3.7(h)10.1(e )]TJ /F5 1 Tf 0.1796 -1.2455 TD 0 Tc 0 Tw (n)Tj /F2 1 Tf 0.7545 0 TD -0.005 Tc [(segm)18.5(ents)]TJ /F5 1 Tf 7.0139 0 0 7.0139 240.8391 205.0007 Tm -0.0027 Tc (upper)Tj -2.9256 0 TD 0 Tc (n)Tj -3.8666 0 TD (n)Tj -9.2559 0 TD -0.0041 Tc (low)Tj 10.02 0 0 10.02 235.9191 207.4007 Tm 0 Tc (k)Tj -2.0719 0 TD (k)Tj -2.6946 0 TD (k)Tj -3.7964 0 TD (k)Tj -2.6707 0 TD (k)Tj -2.0479 0 TD (k)Tj /F7 1 Tf 13.8204 0.0719 TD ( )Tj -1.3533 -0.0719 TD (\015)Tj -0.7066 0.0719 TD ( )Tj -1.3533 -0.0719 TD ()Tj -1.3533 0.0719 TD ( )Tj -1.3533 -0.0719 TD ()Tj -1.8802 0 TD ()Tj -0.5629 0.0719 TD ( )Tj -1.3533 -0.0719 TD ()Tj -1.3174 0.0719 TD ( )Tj -1.3533 -0.0719 TD (\015)Tj -0.6826 0.0719 TD ( )Tj 7.0163 0 0 7.0163 197.0391 205.0007 Tm ()Tj /F2 1 Tf 7.0139 0 0 7.0139 200.3991 205.0007 Tm (1)Tj -6.5527 0 TD (1)Tj -6.6383 0 TD (0)Tj /TT2 1 Tf 10.0232 0 0 10.0232 168.3591 207.4007 Tm (L)Tj /F2 1 Tf 10.02 0 0 10.02 260.399 207.4007 Tm -0.0007 Tc 0.1818 Tw [(, th)8.3(en)8.3( th)8.3(e am)22.8(ou)8.3(n)8.3(t)]TJ /F5 1 Tf 20.6108 0 TD 0 Tc 0 Tw (n)Tj -3.3533 0 TD (i)Tj -3.9162 0 TD (k)Tj -1.7725 0 TD (k)Tj -3.9401 0 TD (m)Tj 7.0139 0 0 7.0139 398.9991 204.8807 Tm (i)Tj -2.5492 0 TD (i)Tj /F2 1 Tf 10.02 0 0 10.02 463.0791 207.4007 Tm (,)Tj -1.3054 0 TD (,)Tj -0.3952 0 TD (1)Tj -1.9281 0 TD (,)Tj -1.8323 0 TD (})Tj -5.3413 0 TD -0.0235 Tc [(ma)-22.6(x)-14.5({)]TJ 6.9998 0 0 6.9998 404.6391 204.8807 Tm 0 Tc (1)Tj /TT2 1 Tf 9.9998 0 0 9.9998 452.8791 207.4007 Tm (L)Tj /F7 1 Tf 10.02 0 0 10.02 438.959 207.4007 Tm ()Tj -2.4431 0 TD ()Tj -1.497 0.0599 TD ( )Tj -1.2814 -0.0599 TD ()Tj -0.491 0.0599 TD ( )Tj -3.497 -0.0599 TD (\012)Tj 6.9998 0 0 6.9998 401.2791 204.8807 Tm ()Tj 9.9998 0 3.42 9.9998 420.959 207.4007 Tm ( )Tj /F2 1 Tf 10.02 0 0 10.02 474.3591 207.4007 Tm -0.0017 Tc 0.1828 Tw [(. T)-13.5(h)7.3(is co)-4.7(n)7.3(d)-4.7(itio)-4.7(n)7.3( )]TJ -41.9042 -1.6287 TD -0.001 Tc 0.0264 Tw [(g)8(u)8(a)-0.1(ran)8(t)1.6(ees )11.9(th)8(at )11.9(an)8(y)20( )11.9(tw)26.4(o )11.9(block)8(s)4.8(, )11.9(if)8.6( th)8(ey)20( are n)8(o)-4(t a pair, f)8.6(a)-0.1(il th)8(e au)8(th)8(en)8(tication)8( test in)8( th)8(e th)8(ird step abov)8(e. For a sm)22.5(all set o)]TJ 48.2275 0 TD -0.0096 Tc 0 Tw (f )Tj -48.2275 -1.1737 TD 0.0021 Tc [(t)4.7(h)11.1(res)7.9(h)11.1(ol)4.7(ds)7.9(, )]TJ /F5 1 Tf 4.7665 0 TD 0 Tc (m)Tj /F2 1 Tf 0.9222 0 TD -0.0001 Tc 0.1214 Tw [( )119.8(is v)8.9(e)0.8(ry)20.9( larg)8.9(e. A)15.3( larg)8.9(e )]TJ /F5 1 Tf 9.509 0 TD 0 Tc 0 Tw (m)Tj /F2 1 Tf 0.9222 0 TD -0.0009 Tc 0.1341 Tw [( )131.7(m)22.6(ean)8.1(s )11.9(a )11.9(larg)8.1(e )11.9(m)22.6(odif)8.7(i)1.7(cation)8.1( )11.9(in)8.1( )11.9(th)8.1(e secon)8.1(d)-3.9( step, an)8.1(d m)22.6(a)0(y)20.1( resu)8.1(lt in)8.1( ou)8.1(t-)8.7(of)8.7(-)8.7(r)-3.2(an)8.1(g)8.1(e)0( )]TJ -16.1198 -1.2335 TD 0.0024 Tw [(pix)8.1(e)0(l v)8.1(a)0(lu)8.1(es in)8.1( th)8.1(e spatial dom)22.6(ain)8.1(,)-2.4( w)26.5(h)8.1(ich)8.1( in)8.1( tu)8.1(rn)8.1( redu)8.1(ces th)8.1(e )-12(ef)8.7(f)8.7(ectiv)8.1(e )-12(v)8.1(a)0(lu)8.1(e )-12(of)]TJ ET q 367.439 164.561 9.24 9.36 re W n BT /F5 1 Tf 10.02 0 0 10.02 367.4391 166.9607 Tm 0 Tc 0 Tw (m)Tj ET Q BT 10.02 0 0 10.02 376.6791 166.9607 Tm 0.0003 Tc 0.0132 Tw [(. A)15.7( larg)9.3(e )]TJ ET q 415.799 164.561 9.24 9.36 re W n BT /F5 1 Tf 10.02 0 0 10.02 415.7991 166.9607 Tm 0 Tc 0 Tw (m)Tj ET Q BT 10.02 0 0 10.02 425.0391 166.9607 Tm -0.0008 Tc 0.0143 Tw [(m)22.7(a)0.1(y)20.2( also ch)8.2(an)8.2(g)8.2(e)0.1( th)8.2(e m)22.7(ean)8.2( of)8.8( )]TJ -36.982 -1.2335 TD -0.0087 Tc 0.118 Tw [(D)-5.3(C)-0.4(T)-20.5( c)-7.8(o)-11.7(e)-7.8(ffi)-6.1(c)-7.8(i)-6.1(e)-7.8(n)0.3(t)-6.1(s)-2.9( a)-7.8(t)-6.1( t)-6.1(h)0.3(e)-7.8( fr)-11(e)-7.8(q)-11.7(ue)-7.8(nc)-7.8(y)12.3( b)-11.7(i)-6.1(n l)-6.1(a)-7.8(r)-11(g)0.3(e)-7.8( e)-7.8(n)0.3(o)-11.7(ugh t)-6.1(h)0.3(a)-7.8(t)-6.1( t)-6.2(r)-11(i)-6.1(gge)-7.8(r)-11(s)-2.9( t)-6.1(h)0.3(e)-7.8( a)-7.8(l)-6.1(a)-7.8(r)-11(m)14.8( o)-11.7(f)0.9( t)-6.1(h)0.3(e)-7.8( SA)6.7(RI)-11( a)-7.8(u)0.3(t)-6.2(h)0.3(e)-7.8(n)0.3(t)-6.2(i)-6.1(c)-7.8(a)-7.8(t)-6.1(i)-6.1(o)-11.7(n e)-7.8(v)0.3(e)-7.8(n)0.3( i)-6.1(f)0.9( )-12(t)-6.1(h)0.3(e)-7.8( )-12(t)-6.1(w)18.7(o)-11.7( )]TJ 0 -1.1737 TD -0.0011 Tc 0.0505 Tw [(block)7.9(s)4.7( u)7.9(n)7.9(d)-4.1(er test are actu)7.9(a)-0.2(lly)19.9( a pair. R)7.2(ecall th)7.9(at SA)14.3(R)7.2(I)-3.4( records th)7.9(e )-12(m)22.4(ean)7.9(s )-12(of)8.5( )-12(DC)7.2(T)-12.9( )-12(coef)8.5(f)8.5(i)1.5(cien)7.9(ts )-12(at )-12(selected )-12(f)8.5(r)-3.4(equ)7.9(e)-0.2(n)7.9(c)-0.2(y)19.9( )-12(bin)7.9(s)4.7( )]TJ ET endstream endobj 4 0 obj << /Type /Page /Parent 28 0 R /Resources 5 0 R /Contents 6 0 R /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 >> endobj 5 0 obj << /ProcSet [ /PDF /Text ] /Font << /F2 36 0 R /F4 34 0 R /F5 35 0 R /F6 41 0 R /F7 43 0 R /TT2 51 0 R >> /ExtGState << /GS1 59 0 R >> >> endobj 6 0 obj << /Length 20745 >> stream BT /F2 1 Tf 12 0 0 12 54.4791 794.6807 Tm 0 g /GS1 gs 0 Tc 0 Tw ( )Tj 0 -62.99 TD ( )Tj 10.02 0 0 10.02 54.4791 760.6007 Tm -0.0014 Tc 0.0508 Tw [(f)8.2(o)-4.4(r )12(all )12(b)-4.4(l)1.2(o)-4.4(c)-0.5(k)7.6(s)4.4( )12(in)7.6( )12(th)7.6(e )12(d)-4.4(i)1.2(g)7.6(ital )12(sig)7.6(n)7.6(a)-0.5(tu)7.6(re. )12(In)7.6( co)-4.4(n)7.6(c)-0.5(lu)7.6(sio)-4.4(n)7.6(, th)7.6(e ab)-4.4(o)-4.4(v)7.6(e o)-4.4(r)-3.7(acle attack)7.6( m)22.1(a)-0.5(y)19.6( resu)7.6(lt in)7.6( w)26(r)-3.7(o)-4.4(n)7.6(g)7.6( p)-4.4(a)-0.5(irs o)-4.4(r)-3.7( m)22.1(a)-0.5(y)19.6( n)7.6(e)-0.5(v)7.6(e)-0.5(r f)8.2(i)1.2(n)7.6(d)-4.4( )]TJ 0 -1.1737 TD -0.0011 Tc 0.0026 Tw [(actu)7.9(a)-0.2(l pairs. )]TJ 1.5689 -1.1737 TD 0.0006 Tc 0.0847 Tw [(In)9.6( )11.9(t)3.2(h)9.6(i)3.2(s)6.4( )11.9(paper, )11.9(w)28(e)1.5( )11.9(propos)6.4(e )11.9(t)3.2(w)28(o )11.9(n)9.6(e)1.5(w)28( at)3.2(t)3.2(ack)9.6(s)6.4( t)3.2(o)-2.4( t)3.2(h)9.6(e S)5.7(A)16(R)8.9(I)-1.7( au)9.6(t)3.2(h)9.6(en)9.6(t)3.1(i)3.2(cat)3.1(i)3.2(o)-2.4(n)9.6( s)6.4(y)21.6(s)6.4(t)3.1(em)24.1(. T)-11.2(h)9.6(e f)10.2(i)3.2(rs)6.4(t)3.2( at)3.1(t)3.2(ack)9.6( i)3.2(s)6.4( cal)3.2(l)3.1(e)1.5(d a h)9.6(i)3.1(s)6.4(t)3.2(og)9.6(ram)24.1( )]TJ -1.5689 -1.1737 TD -0.0011 Tc 0.0385 Tw [(attack)7.9( w)26.3(h)7.9(ich)7.9( w)26.3(o)-4.1(rk)7.9(s f)8.5(o)-4.1(r th)7.9(e case w)26.3(h)7.9(en)7.9( on)7.9(ly)19.9( )-12(th)7.9(e )-12(th)7.9(resh)7.9(old )-1736.5(0)]TJ /F7 1 Tf 23.8683 0 TD 0 Tc 0 Tw ()Tj /F5 1 Tf -0.7904 0 TD (k)Tj /F2 1 Tf 2.3114 0 TD -0.0011 Tc 0.0505 Tw [( )47.9(is u)7.9(s)4.7(ed f)8.5(o)-4.1(r im)22.4(ag)7.9(e au)7.9(th)7.9(en)7.9(tication)7.9(.)-2.6( T)-12.9(h)7.9(e attack)7.9( m)22.4(odif)8.5(i)1.5(es th)7.9(e )]TJ -25.3892 -1.2335 TD -0.0012 Tc 0.0985 Tw [(h)7.8(i)1.4(stog)7.8(ram)22.3( )12(of)8.4( )12(DC)7.1(T)-13( )12(coef)8.4(f)8.4(i)1.4(cien)7.8(ts at a selected f)8.4(r)-3.5(equ)7.8(e)-0.3(n)7.8(c)-0.3(y)19.8( bin)7.8( y)19.8(e)-0.3(t m)22.3(a)-0.3(in)7.8(tain)7.8(s th)7.8(e m)22.3(ean)7.8( v)7.8(a)-0.3(lu)7.8(e of)8.4( th)7.8(e DC)7.1(T)-13( coef)8.4(f)8.4(i)1.4(cien)7.8(ts of)8.5( all )]TJ 0 -1.1737 TD 0.0013 Tc 0.0361 Tw [(bl)3.8(ock)10.3(s)7.1( )12(an)10.3(d )12(t)3.9(h)10.3(e )12(s)7.1(a)2.2(m)24.8(e)2.2( )11.9(rel)3.9(a)2.2(t)3.9(i)3.9(o)-1.7(n)10.3(s)7.1(h)10.3(i)3.9(ps)7.1( )12(f)10.9(o)-1.7(r )12(an)10.3(y)22.3( )12(pai)3.9(r)-1( )12(of)10.9( )12(bl)3.9(ock)10.3(s)7.1(. A)16.7( f)10.9(i)3.9(x)10.3( i)3.9(s)7.1( t)3.9(o)-1.7( add t)3.9(h)10.3(e l)3.9(o)-1.7(w)28.7(e)2.2(r an)10.3(d u)10.3(pper bou)10.3(n)10.3(d)-1.7(s)7.1( of)10.9( D)4.7(C)9.6(T)-10.5( coef)10.9(f)10.9(i)3.8(ci)3.8(en)10.3(t)3.9(s)7.1( )]TJ T* -0.0006 Tc 0.0021 Tw [(of)9( selected f)9(r)-2.9(equ)8.4(e)0.3(n)8.4(c)0.3(y)20.4( bin)8.4(s)5.2( to th)8.4(e dig)8.4(ital sig)8.4(n)8.4(a)0.3(tu)8.4(re. T)-12.4(h)8.4(e secon)8.4(d)-3.6( attack)8.4( is an)8.4( oracle attack)8.4( w)26.8(h)8.4(ich)8.4( )-12(u)8.4(s)5.2(es )-12(th)8.4(e )-12(ou)8.4(tpu)8.4(t)1.9( )-12(of)9.1( )-12(an)8.4( )-12(oracle )]TJ T* -0.0089 Tc 0.0343 Tw [(t)-6.3(o)-11.9( fi)-6.3(nd)-11.9( o)-11.9(u)0.1(t)-6.3( t)-6.3(h)0.1(e)-8( se)-8(c)-8(r)-11.2(e)-8(t)-6.3( m)14.6(a)-8(p)-11.9(p)-11.9(i)-6.3(ng func)-8(t)-6.4(i)-6.3(o)-11.9(n)]TJ 15.5808 -0.2994 TD 0 Tc 0 Tw ( )Tj /F5 1 Tf 0.3473 0.2994 TD (W)Tj /F2 1 Tf 1.1976 0 TD -0.0084 Tc 0.0338 Tw [(.)-9.9( T)-20.2(h)0.6(i)-5.8(s)-2.6( a)-7.5(t)-5.8(t)-5.8(a)-7.5(c)-7.5(k)0.6( d)-11.4(o)-11.4(e)-7.5(s no)-11.4(t)-5.8( ne)-7.5(e)-7.5(d)-11.4( t)-5.9(h)0.6(e)-7.5( kno)-11.4(w)19(l)-5.8(e)-7.5(d)-11.4(ge)-7.5( o)-11.4(f)1.2( t)-5.8(h)0.6(e)-7.5( t)-5.8(h)0.6(r)-10.7(e)-7.5(sho)-11.4(l)-5.9(d)-11.4(s)-2.6( )-12(use)-7.5(d)-11.4( )-12(i)-5.9(n)0.6( )-12(ge)-7.5(ne)-7.5(r)-10.7(a)-7.5(t)-5.9(i)-5.8(ng )]TJ -17.1257 -1.2335 TD -0.0011 Tc 0.0146 Tw [(th)7.9(e )12(sig)7.9(n)7.9(a)-0.2(tu)7.9(re, an)7.9(d m)22.4(a)-0.2(in)7.9(tain)7.9( th)7.9(e m)22.4(ean)7.9( v)7.9(a)-0.2(lu)7.9(es of)8.5( DC)7.2(T)-12.9( coef)8.5(f)8.5(i)1.5(cien)7.9(ts w)26.3(i)1.5(th)7.9(in)7.9( a v)7.9(e)-0.2(ry)19.9( sm)22.4(all ran)7.9(g)7.9(e)-0.2( of)8.5( th)7.9(e recorded m)22.4(ean)7.9( v)7.9(a)-0.2(lu)7.9(es in)7.9( )]TJ 0 -1.1737 TD -0.0016 Tc 0.051 Tw [(th)7.4(e )12(sig)7.4(n)7.4(a)-0.7(tu)7.4(re )12(so )12(it )12(does n)7.4(o)-4.6(t trig)7.4(g)7.4(e)-0.7(r th)7.4(e SA)13.8(R)6.7(I)-3.9( sy)19.4(stem)21.9(. T)-13.4(h)7.4(e attack)7.4( con)7.4(s)4.2(ists of)8.1( tw)25.8(o stag)7.4(es. T)-13.4(h)7.4(e f)8(i)1(rst stag)7.4(e f)8(i)1(n)7.4(d)-4.6(s th)7.4(e f)8(i)1(rst pair )]TJ T* 0.0008 Tc 0.1205 Tw [(of)10.4( )12(bl)3.4(ock)9.8(s)6.6(, an)9.8(d t)3.4(h)9.8(e s)6.6(econ)9.8(d)-2.2( s)6.6(t)3.4(ag)9.8(e f)10.4(i)3.4(n)9.8(d)-2.2(s)6.6( t)3.4(h)9.8(e rem)24.3(a)1.7(i)3.4(n)9.8(i)3.4(n)9.8(g)9.8( pai)3.3(r)-1.5(s)6.6( by)21.8( u)9.8(s)6.6(i)3.4(n)9.8(g)9.8( on)9.8(e or m)24.3(o)-2.2(re pai)3.4(r)-1.5(s)6.6( prev)9.8(i)3.4(o)-2.2(u)9.8(s)6.6(l)3.3(y)21.8( f)10.4(o)-2.2(u)9.8(n)9.8(d)-2.2( t)3.4(o)-2.2( bal)3.4(a)1.7(n)9.8(ce t)3.4(h)9.8(e )]TJ T* -0.0012 Tc 0.0147 Tw [(m)22.3(odif)8.4(i)1.4(cation)7.8(s)4.6( )12(so )12(th)7.8(e m)22.3(ean)7.8( v)7.8(a)-0.3(lu)7.8(e of)8.4( DC)7.1(T)-13( coef)8.4(f)8.4(i)1.4(cien)7.8(ts rem)22.3(a)-0.3(in)7.8(s in)7.8( th)7.8(e sm)22.3(all allow)26.2(e)-0.3(d ran)7.8(g)7.8(e)-0.3(. On)7.8(ce all th)7.8(e secret pairs an)7.8(d th)7.8(e )]TJ T* -0.0007 Tc 0.2297 Tw [(dif)8.9(f)8.9(e)0.2(ren)8.3(ce )-12(th)8.3(resh)8.3(old )-12(f)8.9(o)-3.7(r each)8.3( pair are dedu)8.3(ced in)8.3( th)8.3(ese tw)26.7(o stag)8.3(es, it is possible to produ)8.3(ce v)8.3(i)1.8(su)8.3(ally)20.3( u)8.3(n)8.3(d)-3.7(etectable )]TJ T* 0.0007 Tc 0.0367 Tw [(m)24.2(a)1.6(n)9.7(i)3.3(pu)9.7(l)3.3(a)1.6(t)3.3(i)3.3(o)-2.3(n)9.7(s)6.5( t)3.3(o)-2.3( ch)9.7(an)9.7(g)9.7(e)1.6( t)3.3(h)9.7(e t)3.3(h)9.7(e i)3.3(m)24.2(ag)9.7(e con)9.7(t)3.3(en)9.7(t)3.2( w)28.1(i)3.3(t)3.3(h)9.7(ou)9.7(t)3.2( t)3.2(r)-1.6(i)3.3(g)9.7(g)9.7(e)1.6(ri)3.2(n)9.7(g)9.7( t)3.3(h)9.7(e S)5.8(A)16.1(R)9(I)-1.6( s)6.5(y)21.7(s)6.5(t)3.3(em)24.2(. )-12(U)4.1(n)9.7(l)3.3(i)3.2(k)9.7(e)1.6( )-12(t)3.3(h)9.7(e )-12(at)3.3(t)3.2(ack)9.7( )-12(propos)6.5(ed )-12(i)3.2(n)9.7( )-12([7][8], )]TJ T* 0.0009 Tw [(on)9.6(l)3.1(y)21.6( on)9.6(e au)9.6(t)3.2(h)9.6(en)9.6(t)3.2(i)3.2(cat)3.2(ed i)3.2(m)24.1(ag)9.6(e i)3.2(s)6.4( n)9.6(eeded t)3.2(o)-2.4( l)3.2(a)1.5(u)9.6(n)9.6(c)1.5(h)9.6( t)3.2(h)9.6(e propos)6.4(ed at)3.2(t)3.1(ack)9.6(s)6.4(.)-0.9( )]TJ 1.5689 -1.1737 TD 0.0014 Tc 0.036 Tw [(T)-10.4(h)10.4(e )11.9(res)7.2(t)4( )12(of)11( )12(t)4(h)10.4(i)4(s)7.2( )11.9(paper i)4(s)7.2( org)10.4(a)2.3(n)10.4(i)4(zed as)7.2( f)11(o)-1.6(l)4(l)4(o)-1.6(w)28.8(s)7.2(. In)10.4( S)6.5(ect)4(i)4(o)-1.6(n)10.4( 2, w)28.8(e)2.3( f)11(i)4(rs)7.2(t)3.9( des)7.2(c)2.3(ri)3.9(be i)4(n)10.4( det)4(a)2.3(i)3.9(l)4( ou)10.4(r propos)7.2(ed h)10.4(i)4(s)7.2(t)4(og)10.4(ram)24.9( at)4(t)4(ack)10.4(, )]TJ -1.5689 -1.1736 TD 0.0008 Tc 0.0366 Tw [(an)9.8(d t)3.4(h)9.8(en)9.8( propos)6.6(e a f)10.4(i)3.4(x)9.8( t)3.4(o)-2.2( t)3.4(h)9.8(w)28.2(a)1.7(rt)3.4( t)3.4(h)9.8(e at)3.4(t)3.4(ack)9.8(. T)-11(h)9.8(e propos)6.6(ed oracl)3.3(e at)3.4(t)3.4(ack)9.8( i)3.4(s)6.6( des)6.6(c)1.7(ri)3.4(bed )-12(i)3.3(n)9.8( )-12(S)5.9(ect)3.4(i)3.3(o)-2.2(n)9.8( )-12(3. )-12(We )-12(con)9.8(c)1.7(l)3.4(u)9.8(de )-12(t)3.4(h)9.8(e )-12(paper )]TJ T* -0.0017 Tc 0.0032 Tw [(in)7.3( Sectio)-4.7(n)7.3( 4)-4.7(.)-3.2( )]TJ 25.1737 -1.1737 TD 0 Tc 0 Tw ( )Tj /F4 1 Tf 11.04 0 0 11.04 237.8391 534.7607 Tm (2.)Tj /F6 1 Tf 0.75 0 TD ( )Tj /F4 1 Tf 0.8804 0 TD -0.0038 Tc 0.0038 Tw [(H)-8.4(I)-6.1(STO)-8.4(G)2.5(RAM)-5.4( ATTACK)-8.4( )]TJ 9.96 0 0 9.96 306.7191 522.8807 Tm 0 Tc 0 Tw ( )Tj /F2 1 Tf 10.02 0 0 10.02 54.4791 510.7607 Tm 0.0011 Tc 0.2399 Tw [(A)16.5(s)6.9( )-12(w)28.5(e)2( )-12(des)6.9(c)2(ri)3.7(bed )-12(i)3.6(n)10.1( t)3.7(h)10.1(e l)3.7(a)2(s)6.9(t)3.7( s)6.9(ect)3.7(i)3.7(o)-1.9(n)10.1(,)-0.4( w)28.5(h)10.1(en)10.1( on)10.1(l)3.7(y)22.1( t)3.6(h)10.1(e t)3.6(h)10.1(res)6.9(h)10.1(ol)3.6(d )]TJ 10.4676 0 0 10.4676 338.6391 510.7607 Tm 0 Tc 0 Tw (0)Tj /F7 1 Tf 10.5 0 0 10.5 330.3591 510.7607 Tm ()Tj /F5 1 Tf 10.4676 0 0 10.4676 322.3191 510.7607 Tm (k)Tj /F2 1 Tf 10.02 0 0 10.02 346.4391 510.7607 Tm -0.0011 Tc 0.2421 Tw [( )239.5(is u)7.9(s)4.7(ed, th)7.9(e SA)14.3(R)7.2(I)-3.4( sig)7.9(n)7.9(a)-0.2(tu)7.9(re records on)7.9(ly)19.9( th)7.9(e )]TJ -29.1377 -1.2335 TD -0.0009 Tc 0.1701 Tw [(relation)8.1(sh)8.1(ip )-11.9(f)8.7(o)-3.9(r )-11.9(each)8.1( )-11.9(pair )-11.9(of)8.7( DC)7.4(T)-12.7( coef)8.7(f)8.7(i)1.7(cien)8.1(ts. T)-12.7(h)8.1(is relation)8.1(s)4.9(h)8.1(i)1.6(p is in)8.1(v)8.1(a)0(rian)8.1(t f)8.7(o)-3.9(r th)8.1(e lossy)20.1( J)-7.1(P)-7.8(EG com)22.6(p)-3.9(ression)8.1( an)8.1(d is )]TJ 0 -1.1737 TD -0.0077 Tc 0.081 Tw [(t)-5.1(h)1.3(e)-6.8(r)-10(e)-6.8(f)1.9(o)-10.7(r)-10(e)-6.8( )11.9(use)-6.8(d)-10.7( )11.9(i)-5.2(n)1.3( )11.9(SA)7.7(RI)-10( t)-5.1(o)-10.7( d)-10.7(i)-5.1(st)-5.1(i)-5.1(ngui)-5.1(sh t)-5.1(h)1.3(e)-6.8( J)-13.9(P)-14.6(E)-7.5(G)-4.3( c)-6.8(o)-10.7(m)15.8(p)-10.7(r)-10(e)-6.8(ssi)-5.1(o)-10.7(n)1.3( fr)-10(o)-10.7(m)15.8( o)-10.7(t)-5.1(he)-6.8(r)-10( m)15.8(a)-6.8(ni)-5.1(p)-10.7(u)1.3(l)-5.1(a)-6.8(t)-5.2(i)-5.2(o)-10.7(ns.)-9.2( W)-9.8(e)-6.8( m)15.8(a)-6.8(y)13.3( a)-6.8(l)-5.1(so)-10.7( c)-6.8(a)-6.8(r)-10(e)-6.8(f)1.9(ul)-5.2(l)-5.1(y)13.3( d)-10.7(e)-6.8(si)-5.2(gn a)-6.8( )]TJ T* -0.0022 Tc 0.1354 Tw [(m)21.3(a)-1.3(n)6.8(i)0.4(p)-5.2(u)6.8(latio)-5.2(n)6.8( th)6.8(at d)-5.2(i)0.4(sto)-5.2(r)-4.5(ts an)6.8( im)21.3(ag)6.8(e y)18.8(e)-1.3(t m)21.3(a)-1.3(in)6.8(tain)6.8(s th)6.8(e o)-5.2(r)-4.5(ig)6.8(in)6.8(al relatio)-5.2(n)6.8(s)3.6(h)6.8(i)0.3(p)-5.2(s)3.6( )-12(an)6.8(d)-5.2( )-12(th)6.8(e )-12(m)21.3(ean)6.8( )-12(v)6.8(a)-1.3(lu)6.8(es )-12(o)-5.2(f)7.4( )-12(th)6.8(e )-12(selected)-5.2( )-12(DC)6.1(T)-14( )]TJ T* -0.0083 Tc 0.0218 Tw [(c)-7.4(o)-11.3(e)-7.4(ffi)-5.8(c)-7.4(i)-5.7(e)-7.4(n)0.7(t)-5.7(s)-2.5( )12(w)19.1(i)-5.7(t)-5.7(h)0.7(o)-11.3(u)0.7(t)-5.7( )12(kno)-11.3(w)19.1(i)-5.7(ng )12(t)-5.7(h)0.7(e)-7.4( )12(a)-7.4(c)-7.4(t)-5.7(ua)-7.4(l)-5.7( p)-11.3(a)-7.4(i)-5.7(r)-10.6(s use)-7.4(d)-11.3( i)-5.8(n)0.7( ge)-7.4(ne)-7.4(r)-10.6(a)-7.4(t)-5.7(i)-5.7(ng t)-5.7(h)0.7(e)-7.4( i)-5.7(m)15.2(a)-7.4(g)0.7(e)-7.4()1.3(s si)-5.7(gna)-7.4(t)-5.7(u)0.7(r)-10.6(e)-7.4(.)-9.8( G)-4.9(i)-5.7(ve)-7.4(n t)-5.7(h)0.7(e)-7.4( l)-5.8(i)-5.7(m)15.2(i)-5.8(t)-5.8(a)-7.4(t)-5.7(i)-5.8(o)-11.3(n)0.7(s i)-5.7(n)0.7( usi)-5.8(ng no)-11.3(n-)]TJ T* 0.0002 Tc 0.0252 Tw [(zero )11.9(th)9.2(res)6(h)9.2(olds)6( )11.9(as)6( )11.9(m)23.7(e)1.1(n)9.2(tion)9.2(e)1.1(d )11.9(in)9.2( S)5.3(ection)9.2( 1, th)9.2(e con)9.2(d)-2.8(ition)9.2( f)9.8(o)-2.8(r th)9.2(e propos)6(ed h)9.2(i)2.8(s)6(t)2.8(og)9.2(ram)23.7( attack)9.2( is)6( n)9.2(o)-2.8(t v)9.2(e)1.1(ry)21.2( s)6(t)2.7(ron)9.2(g)9.2(.)-1.3( Mos)6(t)2.8( S)5.3(A)15.6(R)8.5(I)-2.1( )]TJ T* -0.0021 Tc 0.0036 Tw [(au)6.9(th)6.9(en)6.9(ticatio)-5.1(n)6.9( sy)18.9(stem)21.4(s u)6.9(s)3.7(ed)-5.1( in)6.9( real ap)-5.1(p)-5.1(licatio)-5.1(n)6.9(s)3.7( sh)6.9(o)-5.1(u)6.9(ld)-5.1( satisf)7.5(y)18.9( th)6.9(is co)-5.1(n)6.9(d)-5.1(itio)-5.1(n)6.9(.)-3.6( )]TJ 1.7964 -1.1736 TD 0.0009 Tc 0.1443 Tw [(T)-10.9(h)9.9(e )-12(h)9.9(i)3.5(s)6.7(t)3.5(og)9.9(ram)24.4( at)3.5(t)3.5(ack)9.9( des)6.7(c)1.8(ri)3.5(bed bel)3.5(o)-2.1(w)28.3( i)3.5(s)6.7( s)6.7(u)9.9(ch)9.9( a k)9.9(i)3.4(n)9.9(d)-2.1( of)10.5( at)3.5(t)3.5(ack)9.9(. Wi)3.4(t)3.5(h)9.9(ou)9.9(t)3.4( l)3.4(o)-2.1(s)6.7(s)6.7( of)10.5( g)9.9(e)1.8(n)9.9(e)1.8(ral)3.5(i)3.4(t)3.5(y)21.9(, w)28.3(e)1.8( s)6.7(h)9.9(al)3.5(l)3.4( des)6.7(c)1.8(ri)3.5(be t)3.5(h)9.9(e )]TJ -1.7964 -1.2335 TD -0.0001 Tc 0.0016 Tw [(h)8.9(i)2.5(stog)8.9(ram)23.4( attack)8.9( f)9.5(o)-3.1(r an)8.9(y)20.9( f)9.5(r)-2.4(equ)8.9(e)0.8(n)8.9(c)0.8(y)20.9( bin)-4877.3(})]TJ 19.3293 0 TD 0.003 Tc 0 Tw (64)Tj -0.3713 0 TD 0 Tc (,)Tj -1.3293 0 TD (,)Tj -0.3952 0 TD (1)Tj -0.2515 0 TD ([)Tj /TT2 1 Tf 9.9998 0 0 9.9998 234.1191 415.4807 Tm (L)Tj /F7 1 Tf 10.02 0 0 10.02 216.4791 415.4807 Tm ()Tj /F5 1 Tf -0.6228 0 TD (v)Tj /F2 1 Tf 5.3174 0 TD -0.0008 Tc 0.0023 Tw [( selected in)8.2( th)8.2(e sig)8.2(n)8.2(a)0.1(tu)8.2(re g)8.2(e)0.1(n)8.2(e)0.1(ration)8.2(. )]TJ -20.8623 -1.4371 TD 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 54.4791 389.2007 Tm 0.0053 Tc (2.1.)Tj /F6 1 Tf 1.5181 0 TD 0 Tc ( )Tj /F4 1 Tf 0.2892 0 TD 0.0044 Tc -0.0014 Tw [(Hi)5.3(s)7.9(t)0.1(ogram)30.2( A)3.5(ttack)18.2( )]TJ /F2 1 Tf 10.02 0 0 10.02 54.4791 377.6807 Tm 0.0008 Tc 0.0007 Tw [(T)-11(h)9.8(e bas)6.6(i)3.4(c i)3.4(d)-2.2(ea i)3.4(n)9.8( t)3.4(h)9.8(e propos)6.6(ed h)9.8(i)3.4(s)6.6(t)3.3(og)9.8(ram)24.3( at)3.4(t)3.4(ack)9.8( i)3.4(s)6.6( t)3.3(h)9.8(at)3.4( w)28.2(h)9.8(en)9.8( a h)9.8(i)3.4(s)6.6(t)3.4(og)9.8(ram)24.3( of)10.4( D)4.2(C)9.1(T)-11( coef)10.4(f)10.4(i)3.3(ci)3.3(en)9.8(t)3.4(s)6.6( i)3.4(s)6.6( s)6.6(t)3.4(ret)3.3(c)1.7(h)9.8(e)1.7(d or s)6.6(h)9.8(r)]TJ 44.4311 0 TD -0.009 Tc 0.0105 Tw [(unke)-8.1(n,)-10.5( t)-6.5(h)0(e)-8.1( )]TJ -44.4311 -1.1737 TD -0.0011 Tc 0.0026 Tw [(relation)7.9(sh)7.9(ip betw)26.3(een)7.9( an)7.9(y)19.9( tw)26.3(o DC)7.2(T)-12.9( coef)8.5(f)8.5(i)1.5(cien)7.9(ts does n)7.9(o)-4.1(t ch)7.9(an)7.9(g)7.9(e)-0.2(. T)-12.9(h)7.9(e f)8.5(i)1.5(rst )-12(step )-12(f)8.5(o)-4.1(r )-12(th)7.9(e )-12(h)7.9(i)1.5(stog)7.9(ram)22.4( )-12(attack)7.9( )-12(is )-12(to )-12(collect )-12(all )-12(th)7.9(e )]TJ T* -0.0012 Tc 0.1943 Tw [(DC)7.1(T)-13( coef)8.4(f)8.4(i)1.4(cien)7.8(ts at a selected f)8.4(r)-3.5(equ)7.8(e)-0.3(n)7.8(c)-0.3(y)19.8( bin)7.8( )]TJ /F5 1 Tf 19.3174 0 TD 0 Tc 0 Tw (v)Tj /F2 1 Tf 0.4431 0 TD -0.0008 Tc 0.1819 Tw [( )-12(an)8.2(d )-12(calcu)8.2(late )-12(th)8.2(e )-12(h)8.2(i)1.8(stog)8.2(ram)22.7( )-12(of)8.8( th)8.2(ese DC)7.5(T)-12.6( coef)8.8(f)8.9(i)1.7(cien)8.2(ts. For a J)-7(P)-7.7(EG )]TJ -19.7605 -1.1737 TD -0.001 Tc 0.0743 Tw [(com)22.5(p)-4(ressed im)22.5(ag)8(e, th)8(e h)8(i)1.6(stog)8(ram)22.5( can)8( be th)8(e J)-7.2(P)-7.9(EG qu)8(an)8(tized in)8(teg)8(e)-0.1(rs of)8.6( th)8(e DC)7.3(T)-12.8( coef)8.6(f)8.6(i)1.5(cien)8(ts sin)8(ce an)8(y)20( ch)8(an)8(g)8(e)-0.1( w)26.4(ill )-12(be )]TJ T* 0.0983 Tw [(qu)8(an)8(tized )12(by)20( )12(th)8(e )12(sam)22.5(e)-0.1( )12(J)-7.2(P)-7.9(EG qu)8(an)8(tization)8( step. It is clear th)8(at as lon)8(g)8( as a m)22.5(a)-0.1(n)8(i)1.5(pu)8(lation)8( k)8(eeps th)8(e m)22.5(ean)8( v)8(a)-0.1(lu)8(e an)8(d th)8(e )]TJ T* -0.0024 Tc 0.0997 Tw [(relativ)6.6(e)-1.5( p)-5.4(o)-5.4(s)3.4(itio)-5.4(n)6.6(s)3.4( in)6.6( th)6.6(e h)6.6(i)0.2(sto)-5.4(g)6.6(ram)21.1( u)6.6(n)6.6(c)-1.5(h)6.6(a)-1.5(n)6.6(g)6.6(e)-1.5(d)-5.4(,)-3.9( it w)25(ill p)-5.4(a)-1.5(ss th)6.6(e SA)13(R)5.9(I)-4.7( sy)18.6(stem)21.1(. T)-14.2(h)6.6(ere are m)21.1(a)-1.5(n)6.6(y)18.6( m)21.1(a)-1.5(n)6.6(i)0.2(p)-5.4(u)6.6(latio)-5.4(n)6.6(s th)6.6(at )-12(satisf)7.2(y)18.6( )]TJ T* -0.001 Tc 0.1223 Tw [(th)8(ese )12(tw)26.4(o requ)8(irem)22.5(en)8(ts. For ex)8(am)22.5(ple, th)8(e f)8.6(o)-4(llow)26.4(i)1.6(n)8(g)8( m)22.5(a)-0.1(n)8(i)1.6(pu)8(lation)8( satisf)8.6(ies th)8(ese requ)8(irem)22.5(en)8(ts an)8(d th)8(eref)8.6(ore passes th)8(e )]TJ 0 -1.3293 TD 0.0004 Tc 0.025 Tw [(S)5.5(A)15.8(R)8.7(I)-1.9( s)6.2(y)21.4(s)6.2(t)3(em)23.9(:)3( s)6.2(u)9.4(ppos)6.2(e t)3(h)9.4(at)3( t)3(h)9.4(e m)23.9(a)1.3(x)9.4(i)3(m)23.9(u)9.4(m)23.9( an)9.4(d m)23.9(i)3(n)9.4(i)3(m)23.9(u)9.4(m)23.9( v)9.4(a)1.3(l)3(u)9.4(es)6.2( of)10( t)2.9(h)9.4(e qu)9.4(an)9.4(t)3(i)3(zed D)3.8(C)8.7(T)-11.4( coef)10(f)10(i)2.9(ci)2.9(en)9.4(t)3(s)6.2( )-12(are )]TJ 5.985 0 0 5.985 470.1591 291.1607 Tm -0.0361 Tc 0 Tw [(ma)-33.2(x)]TJ /F5 1 Tf 10.4676 0 0 10.4676 463.5591 293.8007 Tm 0 Tc (V)Tj /F2 1 Tf 10.02 0 0 10.02 482.7591 293.8007 Tm 0.0011 Tc 0.0004 Tw [( an)10.1(d )]TJ 5.985 0 0 5.985 509.519 291.1607 Tm -0.0368 Tc 0 Tw (min)Tj /F5 1 Tf 10.4676 0 0 10.4676 503.0391 293.8007 Tm 0 Tc (V)Tj /F2 1 Tf 10.02 0 0 10.02 521.1591 293.8007 Tm 0.0012 Tc 0.0362 Tw [(, an)10.2(d )]TJ -46.5748 -1.5928 TD -0.0005 Tc 0.1816 Tw [(th)8.5(ere are)]TJ 5.985 0 0 5.985 101.6391 275.2007 Tm -0.0361 Tc 0 Tw [(ma)-33.2(x)]TJ /F5 1 Tf 10.4676 0 0 10.4676 93.5991 277.8407 Tm 0 Tc (N)Tj /F2 1 Tf 10.02 0 0 10.02 114.5991 277.8407 Tm 0.0011 Tc 0.0004 Tw [( an)10.1(d )]TJ 5.985 0 0 5.985 144.7191 275.2007 Tm -0.0368 Tc 0 Tw (min)Tj /F5 1 Tf 10.4676 0 0 10.4676 136.6791 277.8407 Tm 0 Tc (N)Tj /F2 1 Tf 10.02 0 0 10.02 156.5991 277.8407 Tm -0.0015 Tc 0.1826 Tw [( )179.6(DC)6.8(T)-13.3( coef)8.1(f)8.1(i)1.1(cien)7.5(ts at th)7.5(ese v)7.5(a)-0.6(lu)7.5(es, respectiv)7.5(ely)19.5(.)-3( L)10.7(e)-0.6(t th)7.5(e )11.9(least )11.9(com)22(m)22(o)-4.5(n)7.5( )11.9(m)22(u)7.5(ltiple )11.9(of)8.1( )]TJ 5.985 0 0 5.985 510.959 275.2007 Tm -0.0361 Tc 0 Tw [(ma)-33.2(x)]TJ /F5 1 Tf 10.4676 0 0 10.4676 502.9191 277.8407 Tm 0 Tc (N)Tj /F2 1 Tf 10.02 0 0 10.02 524.0391 277.8407 Tm 0.0011 Tc 0.0004 Tw [( an)10.1(d )]TJ 5.985 0 0 5.985 64.7991 259.2407 Tm -0.0368 Tc 0 Tw (min)Tj /F5 1 Tf 10.4676 0 0 10.4676 56.7591 261.8807 Tm 0 Tc (N)Tj /F2 1 Tf 10.02 0 0 10.02 76.4391 261.8807 Tm -0.0012 Tc 0.0027 Tw ( is)Tj /F5 1 Tf 5.985 0 0 5.985 95.7591 259.2407 Tm -0.0008 Tc 0 Tw (com)Tj 10.4676 0 0 10.4676 87.8391 261.8807 Tm 0 Tc (N)Tj /F2 1 Tf 10.02 0 0 10.02 107.5191 261.8807 Tm 0.0019 Tc -0.0004 Tw [(. L)14.1(e)2.8(t)4.5( u)10.9(s)7.7( )-12(add )]TJ 5.985 0 0 5.985 206.0391 259.2407 Tm -0.0361 Tc 0 Tw [(ma)-33.2(x)]TJ 10.4676 0 0 10.4676 192.9591 261.8807 Tm 0 Tc (/)Tj /F5 1 Tf 0.4815 0 TD (N)Tj -2.4647 0 TD (N)Tj -1.3069 0 TD (m)Tj 5.985 0 0 5.985 180.1191 259.2407 Tm -0.0008 Tc (com)Tj /F7 1 Tf 10.4737 0 0 10.4737 167.6391 261.8807 Tm 0 Tc ()Tj /F2 1 Tf 10.02 0 0 10.02 218.7591 261.8807 Tm -0.0011 Tc 0.0146 Tw [( )12(to all th)7.9(e m)22.4(a)-0.2(x)7.9(i)1.5(m)22.4(u)7.9(m)22.4( qu)7.9(an)7.9(tized DC)7.2(T)-12.9( v)7.9(a)-0.2(lu)7.9(es an)7.9(d su)7.9(btract )]TJ 5.985 0 0 5.985 494.6391 259.2407 Tm -0.0368 Tc 0 Tw (min)Tj 10.4676 0 0 10.4676 481.3191 261.8807 Tm 0 Tc (/)Tj /F5 1 Tf 0.5044 0 TD (N)Tj -2.5106 0 TD (N)Tj -1.3298 0 TD (m)Tj 5.985 0 0 5.985 468.3591 259.2407 Tm -0.0008 Tc (com)Tj /F7 1 Tf 10.4737 0 0 10.4737 455.6391 261.8807 Tm 0 Tc ()Tj /F2 1 Tf 10.02 0 0 10.02 506.639 261.8807 Tm -0.0096 Tc 0.0111 Tw [( fr)-11.9(o)-12.6(m)13.9( )-12(a)-8.7(l)-7(l)-7.1( )]TJ -45.1257 -1.4371 TD -0.0009 Tc 0.0383 Tw [(th)8.1(e m)22.6(i)1.7(n)8.1(i)1.7(m)22.6(u)8.1(m)22.6( qu)8.1(an)8.1(tized DC)7.4(T)-12.7( v)8.1(a)0(lu)8.1(es, w)26.5(h)8.1(ere )]TJ /F5 1 Tf 10.4676 0 0 10.4676 234.1191 247.4807 Tm 0 Tc 0 Tw (m)Tj /F2 1 Tf 10.02 0 0 10.02 244.3191 247.4807 Tm -0.0008 Tc 0.0502 Tw [( )47.9(is )12(an)8.2( )12(arbitrary)20.2( )12(positiv)8.2(e in)8.2(teg)8.2(e)0.1(r, th)8.2(en)8.2( th)8.2(e m)22.7(ean)8.2( an)8.2(d th)8.2(e relation)8.2(sh)8.2(ip of)8.8( an)8.2(y)20.2( )]TJ -18.9461 -1.2335 TD -0.0006 Tc 0.1458 Tw [(pair )12(do )12(n)8.4(o)-3.6(t ch)8.4(an)8.4(g)8.4(e)0.3(. T)-12.4(h)8.4(e sam)22.9(e)0.3( procedu)8.4(r)-2.9(e can)8.4( be applied to oth)8.4(e)0.3(r DC)7.7(T)-12.4( v)8.4(a)0.3(lu)8.4(es as lon)8.4(g)8.4( as th)8.4(ere are n)8.4(o)-3.6( ch)8.4(an)8.4(g)8.4(e)0.3(s to th)8.4(e )]TJ 0 -1.1737 TD -0.0014 Tc 0.0029 Tw [(relativ)7.6(e)-0.5( p)-4.4(o)-4.4(s)4.4(itio)-4.4(n)7.6(s)4.4( in)7.6( th)7.6(e h)7.6(i)1.2(sto)-4.4(g)7.6(ram)22.1(.)-2.9( )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 54.4791 199.7207 Tm 0.0053 Tc (2.2.)Tj /F6 1 Tf 1.5181 0 TD 0 Tc ( )Tj /F4 1 Tf 0.2892 0 TD -0.0024 Tc [(Disc)-4.2(ussio)-8.4(n)-0.6(s )]TJ /F2 1 Tf 10.02 0 0 10.02 54.4791 188.2007 Tm -0.0017 Tc 0.1589 Tw [(In)7.3( )-12(th)7.3(e )-12(ab)-4.7(o)-4.7(v)7.3(e )-12(d)-4.7(e)-0.8(scrip)-4.7(tio)-4.7(n)7.3( )-12(o)-4.7(f)7.9( )-12(th)7.3(e )-12(h)7.3(i)0.9(sto)-4.7(g)7.3(ram)21.8( )-12(attack)7.3(, w)25.7(e)-0.8( h)7.3(a)-0.8(v)7.3(e)-0.8( n)7.3(o)-4.7(t co)-4.7(n)7.3(s)4.1(id)-4.7(ered)-4.7( th)7.3(e p)-4.7(o)-4.7(ssib)-4.7(i)0.8(lity)19.3( th)7.3(at th)7.3(e m)21.8(o)-4.7(d)-4.7(i)0.8(f)7.9(i)0.8(catio)-4.7(n)7.3( in)7.3( th)7.3(e )]TJ 0 -1.1737 TD -0.001 Tc 0.0744 Tw [(f)8.6(r)-3.3(equ)8(e)-0.1(n)8(c)-0.1(y)20( )12(v)8(a)-0.1(lu)8(es )12(m)22.5(a)-0.1(y)20( )12(resu)8(lt )12(in)8( ou)8(t-)8.6(of)8.6(-)8.6(r)-3.3(an)8(g)8(e)-0.1( pix)8(e)-0.1(l v)8(a)-0.1(lu)8(es in)8( th)8(e spatial dom)22.5(ain)8( f)8.6(o)-4(r th)8(e m)22.5(a)-0.1(n)8(i)1.6(pu)8(lated im)22.5(ag)8(e, w)26.4(h)8(ich)8( can)8( be )]TJ T* -0.0007 Tc 0.0621 Tw [(u)8.3(s)5.1(ed by)20.3( SA)14.7(R)7.6(I)-3( to rej)-10.1(ect th)8.3(e h)8.3(i)1.9(stog)8.3(ram)22.8( attack)8.3(. C)7.6(a)0.2(re h)8.3(a)0.2(s to be tak)8.3(e)0.2(n)8.3( to av)8.3(oid su)8.3(ch)8.3( a problem)22.8( in)8.3( th)8.3(e h)8.3(i)1.8(stog)8.3(ram)22.8( )-12(attack)8.3(. )-12(On)8.3(e )]TJ T* -0.002 Tc 0.0993 Tw [(w)25.4(a)-1.1(y)19( to)-5( d)-5(o)-5( it is to)-5( m)21.5(o)-5(d)-5(i)0.6(f)7.6(y)19( th)7(e im)21.5(ag)7(e in)7( an)7( iterativ)7(e w)25.4(a)-1.1(y)19(:)0.5( m)21.5(o)-5(d)-5(i)0.5(f)7.6(y)19( DC)6.3(T)-13.8( v)7(a)-1.1(lu)7(es as d)-5(e)-1.1(scrib)-5(e)-1.1(d)-5( ab)-5(o)-5(v)7(e, th)7(en)7( tran)7(sf)7.6(o)-5(r)-4.3(m)21.5( )-12(to)-5( )-12(th)7(e )]TJ ET endstream endobj 7 0 obj << /Type /Page /Parent 28 0 R /Resources 8 0 R /Contents 9 0 R /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 >> endobj 8 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /F2 36 0 R /F4 34 0 R /F5 35 0 R /F6 41 0 R >> /XObject << /Im1 10 0 R >> /ExtGState << /GS1 59 0 R >> >> endobj 9 0 obj << /Length 14447 >> stream BT /F2 1 Tf 12 0 0 12 54.4791 794.6807 Tm 0 g /GS1 gs 0 Tc 0 Tw ( )Tj 0 -62.99 TD ( )Tj 10.02 0 0 10.02 54.4791 760.6007 Tm -0.0007 Tc 0.0621 Tw [(spatial dom)22.8(ain)8.3( an)8.3(d f)8.9(i)1.9(n)8.3(d)-3.7( ou)8.3(t w)26.7(h)8.3(ich)8.3( part h)8.3(a)0.2(s th)8.3(e larg)8.3(est ou)8.3(t-)8.9(of)8.9(-)8.9(r)-3(an)8.3(g)8.3(e)0.2( v)8.3(a)0.2(lu)8.3(es an)8.3(d correspon)8.3(din)8.3(g)8.3( DC)7.6(T)-12.5( v)8.3(a)0.2(lu)8.3(es, m)22.8(odif)8.9(y)20.3( th)8.3(ese )]TJ 0 -1.1737 TD -0.0019 Tc 0.1112 Tw [(DC)6.4(T)-13.7( v)7.1(a)-1(lu)7.1(es to)-4.9( red)-4.9(u)7.1(ce th)7.1(e ef)7.7(f)7.7(ect an)7.1(d)-4.9( ch)7.1(eck)7.1( in)7.1( th)7.1(e sp)-4.9(atial d)-4.9(o)-4.9(m)21.6(ain)7.1( ag)7.1(ain)7.1(.)-3.4( T)-13.7(h)7.1(is p)-4.9(r)-4.2(o)-4.9(ced)-4.9(u)7.1(r)-4.2(e is rep)-4.9(eated)-4.9( u)7.1(n)7.1(til it )-12(p)-4.9(r)-4.2(o)-4.9(d)-4.9(u)7.1(ces )-12(a )]TJ T* -0.0009 Tc 0.0503 Tw [(satisf)8.7(actory)20.1( resu)8.1(lt. Fig)8.1(.)-2.4( 1 sh)8.1(ow)26.5(s th)8.1(e orig)8.1(in)8.1(al im)22.6(ag)8.1(e on)8.1( th)8.1(e lef)8.7(t)1.7( an)8.1(d th)8.1(e )-12(m)22.6(a)0(n)8.1(i)1.7(pu)8.1(lated )-12(im)22.6(ag)8.1(e )-12(on)8.1( )-12(th)8.1(e )-12(rig)8.1(h)8.1(t)1.7( )-12(produ)8.1(ced )-12(w)26.5(i)1.7(th)8.1( )-12(th)8.1(e )]TJ T* -0.0006 Tc 0.0021 Tw [(af)9(orem)22.9(en)8.4(tion)8.4(e)0.3(d h)8.4(i)2(stog)8.4(ram)22.9( attack)8.4( an)8.4(d th)8.4(e iterativ)8.4(e m)22.9(e)0.3(th)8.4(od. On)8.4(e DC)7.7(T)-12.4( f)9(r)-2.9(equ)8.4(e)0.3(n)8.4(c)0.3(y)20.4( bin)8.4( is u)8.4(s)5.2(ed in)8.4( th)8.4(e attack)8.4(. )]TJ T* 0 Tc 0 Tw ( )Tj ET q 227.4 0 0 134.4 183.9591 576.7607 cm /Im1 Do Q BT 10.02 0 0 10.02 411.3591 576.7607 Tm ( )Tj /F4 1 Tf 9.96 0 0 9.96 115.7991 561.2807 Tm 0.0039 Tc -0.0009 Tw [(Fi)4.8(g. 1: L)8.2(e)2.1(ft: ori)4.8(g)-2.1(i)4.8(n)5.7(al)4.8( i)4.8(m)29.7(age L)8.2(e)2.1(n)5.7(a)-2.1(. Ri)4.8(gh)5.7(t: i)4.8(m)29.7(age m)29.7(a)-2.1(n)5.7(i)4.8(p)5.7(u)5.7(l)4.8(ated)5.7( b)5.7(y)-2.1( th)5.7(e h)5.7(i)4.8(s)7.4(t)-0.5(ogram)29.7( attack)17.7(. )]TJ /F2 1 Tf 10.02 0 0 10.02 72.4791 543.7607 Tm 0.0006 Tc 0.0368 Tw [(In)9.6( )12(m)24.1(o)-2.4(s)6.4(t)3.2( cas)6.4(es)6.4(, i)3.2(t)3.2( m)24.1(i)3.1(g)9.6(h)9.6(t)3.2( be di)3.2(f)10.2(f)10.2(i)3.2(cu)9.6(l)3.2(t)3.2( t)3.1(o)-2.4( u)9.6(s)6.4(e t)3.2(h)9.6(e propos)6.4(ed h)9.6(i)3.2(s)6.4(t)3.2(og)9.6(ram)24.1( at)3.2(t)3.2(ack)9.6( t)3.1(o)-2.4( m)24.1(a)1.5(n)9.6(i)3.2(pu)9.6(l)3.1(a)1.5(t)3.2(e)1.5( an)9.6( i)3.1(m)24.1(ag)9.6(e t)3.1(o)-2.4( ach)9.6(i)3.2(e)1.5(v)9.6(e)1.5( a des)6.4(i)3.1(red )]TJ -1.7964 -1.1737 TD -0.0006 Tc 0.05 Tw [(con)8.4(t)2(en)8.4(t m)22.9(odif)9(i)1.9(cation)8.4( su)8.4(ch)8.4( as addin)8.4(g)8.4( or rem)22.9(o)-3.6(v)8.4(i)2(n)8.4(g)8.4( an)8.4( obj)-10(ect, or ch)8.4(an)8.4(g)8.4(i)2(n)8.4(g)8.4( th)8.4(e sem)22.9(a)0.3(n)8.4(tic)]TJ /F4 1 Tf 9.96 0 0 9.96 398.7591 532.0007 Tm 0 Tc 0 Tw ( )Tj /F2 1 Tf 10.02 0 0 10.02 402.1191 532.0007 Tm -0.0009 Tc 0.0623 Tw [(m)22.6(ean)8.1(in)8.1(g)8.1( of)8.8( an)8.1( im)22.6(ag)8.1(e. Bu)8.1(t su)8.1(ch)8.1( an)8.1( )]TJ -34.6946 -1.1737 TD -0.0017 Tc 0.2667 Tw [(attack)7.3( )-11.9(w)25.7(o)-4.7(u)7.3(l)0.9(d)-4.7( )-11.9(g)7.3(e)-0.8(n)7.3(e)-0.8(rate )-11.9(d)-4.7(o)-4.7(u)7.3(b)-4.7(t)0.9(s )-11.9(o)-4.7(n)7.3( )-11.9(th)7.3(e )-11.9(cred)-4.7(ib)-4.7(ility)19.3( )-11.9(o)-4.7(f)7.9( su)7.3(ch)7.3( an)7.3( au)7.3(th)7.3(en)7.3(ticatio)-4.7(n)7.3( sy)19.3(stem)21.8(. If)7.9( a u)7.3(s)4.1(er A)13.7(l)0.8(ice sees an)7.3( im)21.8(ag)7.3(e )]TJ T* -0.0015 Tc 0.015 Tw [(au)7.5(th)7.5(en)7.5(tication)7.5( )12(sy)19.5(stem)22( )12(passes )12(an)7.5( im)22(ag)7.5(e th)7.5(at is obv)7.5(iou)7.5(s)4.3(ly)19.5( perceptu)7.5(ally)19.5( distorted im)22(ag)7.5(e, sh)7.5(e w)25.9(o)-4.5(u)7.5(l)1(d n)7.5(o)-4.5(t tru)7.5(s)4.3(t th)7.5(e sy)19.5(stem)22( sin)7.5(ce )]TJ T* 0.051 Tw [(sh)7.4(e m)21.9(a)-0.7(y)19.4( n)7.4(o)-4.6(t be able to tell w)25.8(h)7.4(eth)7.4(e)-0.7(r an)7.4( im)21.9(ag)7.4(e v)7.4(e)-0.7(rif)8(i)1(ed by)19.4( su)7.4(ch)7.4( a )-12(sy)19.4(stem)21.9( )-12(is )-12(really)19.4( )-12(au)7.4(th)7.4(en)7.4(tic )-12(or )-12(n)7.4(o)-4.6(t, )-12(if)8( )-12(sh)7.4(e )-12(h)7.4(a)-0.7(s )-12(n)7.4(o)-4.6( )-12(access )-12(to )]TJ T* 0.003 Tw [(th)7.5(e o)-4.5(r)-3.8(ig)7.5(in)7.5(al. )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 54.4791 461.3207 Tm 0.0053 Tc (2.3.)Tj /F6 1 Tf 1.5181 0 TD 0 Tc ( )Tj /F4 1 Tf 0.2892 0 TD 0.0036 Tc -0.0006 Tw [(A Fi)4.5(x)9.6( to T)8(h)5.4(w)-9.3(a)-2.4(rt th)5.4(e Hi)4.5(s)7.1(t)-0.7(ogram)29.4( Attack)17.4( )]TJ /F2 1 Tf 10.02 0 0 10.02 54.4791 449.8007 Tm -0.0006 Tc 0.062 Tw [(T)-12.4(h)8.4(e )12(h)8.4(i)2(stog)8.4(ram)22.9( )12(of)9( )12(th)8.4(e DC)7.7(T)-12.4( coef)9(f)9(i)2(cien)8.4(ts at a f)9(r)-2.9(equ)8.4(e)0.3(n)8.4(c)0.3(y)20.4( bin)8.4( is ty)20.4(pically)20.4( den)8.4(s)5.2(ely)20.4( distribu)8.4(ted in)8.4( a ran)8.4(g)8.4(e)0.3(. In)8.4( oth)8.4(e)0.3(r w)26.8(o)-3.6(rds, th)8.4(e )]TJ 0 -1.1737 TD 0.0016 Tc 0.0478 Tw [(di)4.1(s)7.4(t)4.2(ri)4.1(bu)10.6(t)4.1(i)4.2(on)10.6( )12(of)11.2( )12(t)4.2(h)10.6(e )12(h)10.6(i)4.2(s)7.4(t)4.2(og)10.6(ram)25.1( )12(t)4.2(y)22.6(pi)4.2(cal)4.2(l)4.2(y)22.6( )12(does)7.4( )12(n)10.6(o)-1.4(t)4.2( )12(h)10.6(a)2.5(v)10.6(e)2.5( an)10.6( obv)10.6(i)4.2(o)-1.4(u)10.6(s)7.4( g)10.6(a)2.5(p. In)10.6( t)4.1(h)10.6(i)4.2(s)7.4( cas)7.4(e, a f)11.2(i)4.2(x)10.6( t)4.2(o)-1.4( t)4.2(h)10.6(w)29(a)2.5(rt)4.2( t)4.2(h)10.6(e propos)7.4(ed h)10.6(i)4.2(s)7.4(t)4.2(og)10.6(ram)25.1( )]TJ T* -0.001 Tc 0.1941 Tw [(attack)8( )-12(is to sim)22.5(p)-4(ly)20( add th)8(e m)22.5(a)-0.1(x)8(i)1.6(m)22.5(u)8(m)22.5( an)8(d m)22.5(i)1.6(n)8(i)1.6(m)22.5(u)8(m)22.5( DC)7.3(T)-12.8( coef)8.6(f)8.6(i)1.6(cien)8(ts of)8.6( each)8( selected f)8.6(r)-3.3(equ)8(e)-0.1(n)8(c)-0.1(y)20( bin)8( to th)8(e dig)8(i)1.5(tal )]TJ T* 0.0744 Tw [(sig)8(n)8(a)-0.1(tu)8(re f)8.6(o)-4(r an)8( im)22.5(ag)8(e. T)-12.8(h)8(is in)8(creases slig)8(h)8(tly)20( th)8(e size of)8.6( th)8(e sig)8(n)8(a)-0.1(tu)8(re. If)8.6( )-11.9(th)8(e )-11.9(distribu)8(tion)8( )-11.9(of)8.6( )-11.9(th)8(e )-11.9(h)8(i)1.5(stog)8(ram)22.5( )-11.9(h)8(a)-0.1(s )-11.9(obv)8(iou)8(s)4.8( )]TJ T* 0.001 Tc 0.0244 Tw [(g)10(a)1.9(ps)6.8(, s)6.8(a)1.9(y)22( a g)10(a)1.9(p t)3.6(h)10(at)3.5( s)6.8(e)1.9(parat)3.6(e)1.9(s)6.8( t)3.6(h)10(e h)10(i)3.6(s)6.8(t)3.6(og)10(ram)24.5( i)3.6(n)10(t)3.6(o)-2( t)3.6(w)28.4(o den)10(s)6.8(el)3.6(y)22( )-12(popu)10(l)3.6(a)1.9(t)3.6(e)1.9(d )-12(ag)10(g)10(r)-1.3(eg)10(at)3.6(i)3.6(o)-2(n)10(s)6.8(, )-12(t)3.6(h)10(e )-12(m)24.5(a)1.9(x)10(i)3.6(m)24.5(u)10(m)24.5( )-12(an)10(d )-12(m)24.5(i)3.5(n)10(i)3.6(m)24.5(u)10(m)24.5( )-12(v)10(a)1.9(l)3.6(u)10(es)6.8( )]TJ T* -0.0003 Tc 0.0138 Tw [(f)9.3(o)-3.3(r )12(each)8.7( )12(ag)8.7(g)8.7(r)-2.6(eg)8.7(ation)8.7( )12(n)8.7(eed )12(to )12(be )12(added )12(to )12(th)8.7(e dig)8.7(ital s)5.5(i)2.2(g)8.7(n)8.7(a)0.6(tu)8.7(re. On)8.7(ce DC)8(T)-12.1( v)8.7(a)0.6(lu)8.7(es)5.5( are tig)8.7(h)8.7(tly)20.7( bou)8.7(n)8.7(d)-3.3(ed in)8.7( den)8.7(s)5.5(ely)20.7( popu)8.7(lated )]TJ T* -0.0009 Tc 0.0263 Tw [(ran)8.1(g)8.1(e)0(s, it is m)22.6(u)8.1(ch)8.1( m)22.6(o)-3.9(re dif)8.7(f)8.7(i)1.7(cu)8.1(lt to m)22.6(odif)8.7(y)20.1( th)8.1(e h)8.1(i)1.7(stog)8.1(ram)22.6( w)26.5(ith)8.1(ou)8.1(t ch)8.1(an)8.1(g)8.1(i)1.7(n)8.1(g)8.1( an)8.1(y)20.1( relation)8.1(sh)8.1(ip of)8.7( DC)7.4(T)-12.7( coef)8.7(f)8.7(i)1.6(cien)8.1(ts an)8.1(d )-12(w)26.5(i)1.7(th)8.1( )]TJ T* -0.0085 Tc 0.0339 Tw [(t)-5.9(h)0.5(e)-7.6( m)15(e)-7.6(a)-7.6(n)0.5( va)-7.6(l)-5.9(u)0.5(e)-7.6(s)-2.7( o)-11.5(f)1.1( D)-5.1(C)-0.2(T)-20.3( va)-7.6(l)-5.9(u)0.5(e)-7.6(s)-2.7( c)-7.6(l)-5.9(o)-11.5(s)-2.7(e)-7.6( e)-7.6(n)0.5(o)-11.5(ugh t)-5.9(o)-11.5( t)-5.9(h)0.5(e)-7.6( m)15(e)-7.6(a)-7.6(n)0.5( va)-7.6(l)-5.9(u)0.5(e)-7.6(s)-2.7( r)-10.8(e)-7.6(c)-7.6(o)-11.5(r)-10.8(d)-11.5(e)-7.6(d)-11.5( i)-5.9(n)0.5( t)-5.9(h)0.5(e)-7.6( d)-11.5(i)-5.9(gi)-5.9(t)-6(a)-7.6(l)-6( si)-6(gna)-7.6(t)-5.9(u)0.5(r)-10.8(e)-7.6(.)-10( W)-10.6(e)-7.6( )-12(c)-7.6(o)-11.5(nc)-7.6(l)-5.9(u)0.5(d)-11.5(e)-7.6( )-12(t)-5.9(h)0.5(a)-7.6(t)-5.9( )-12(suc)-7.6(h)0.5( )]TJ T* 0.0008 Tc 0.0007 Tw [(a s)6.6(i)3.4(m)24.3(p)-2.2(l)3.4(e)1.7( m)24.3(odi)3.4(f)10.4(i)3.4(cat)3.4(i)3.4(o)-2.2(n)9.8( can)9.8( ef)10.4(f)10.4(ect)3.4(i)3.4(v)9.8(el)3.4(y)21.8( t)3.4(h)9.8(w)28.2(a)1.7(rt)3.4( t)3.4(h)9.8(e propos)6.6(ed h)9.8(i)3.3(s)6.6(t)3.4(og)9.8(ram)24.3( at)3.4(t)3.3(ack)9.8(. )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 11.04 0 0 11.04 240.2391 331.0007 Tm (3.)Tj /F6 1 Tf 0.75 0 TD ( )Tj /F4 1 Tf 0.8804 0 TD -0.0044 Tc 0.0044 Tw [(O)-9(RACLE ATTACK)-9( )]TJ 9.96 0 0 9.96 306.7191 319.1207 Tm 0 Tc 0 Tw ( )Tj /F2 1 Tf 10.02 0 0 10.02 54.4791 307.6007 Tm -0.0013 Tc 0.0747 Tw [(With)7.7( th)7.7(e abov)7.7(e m)22.2(odif)8.3(i)1.3(cation)7.7(,)-2.8( th)7.7(e SA)14.1(R)7(I)-3.6( sy)19.7(stem)22.2( m)22.2(a)-0.4(y)19.7( still su)7.7(f)8.3(f)8.3(e)-0.4(r an)7.7( oracle attack)7.7( w)26.1(h)7.7(ich)7.7( is desig)7.7(n)7.7(e)-0.4(d to f)8.3(i)1.3(n)7.7(d)-4.3( )-11.9(ou)7.7(t )-11.9(th)7.7(e )-11.9(secret )]TJ 0 -1.2335 TD -0.0091 Tc 0.0345 Tw [(m)14.4(a)-8.2(p)-12.1(p)-12.1(i)-6.5(ng func)-8.2(t)-6.5(i)-6.5(o)-12.1(n )]TJ /F5 1 Tf 10.4676 0 0 10.4676 128.2791 295.2407 Tm 0 Tc 0 Tw (W)Tj /F2 1 Tf 10.02 0 0 10.02 140.3991 295.2407 Tm -0.0008 Tc 0.0262 Tw [(, i.e., th)8.2(e secret block)8.2( pairs, u)8.2(s)5(ed in)8.2( g)8.2(e)0.1(n)8.2(e)0.1(ratin)8.2(g)8.2( th)8.2(e sig)8.2(n)8.2(a)0.1(tu)8.2(re )-12(of)8.9( )-12(an)8.2( )-12(im)22.7(ag)8.2(e. )-12(T)-12.6(h)8.2(is )-12(in)8.2(f)8.8(o)-3.8(rm)22.7(ation)8.2( )-12(can)8.2( )-12(th)8.2(en)8.2( )]TJ -8.5748 -1.2335 TD 0.0008 Tc 0.1324 Tw [(be u)9.8(s)6.6(ed t)3.4(o)-2.2( con)9.8(s)6.6(t)3.4(r)-1.5(u)9.8(c)1.7(t)3.4( a f)10.4(r)-1.5(au)9.8(du)9.8(l)3.4(e)1.7(n)9.8(t)3.4( i)3.4(m)24.3(ag)9.8(e w)28.2(i)3.4(t)3.4(h)9.8( des)6.6(i)3.4(red con)9.8(t)3.3(en)9.8(t)3.4( )-12(m)24.3(odi)3.4(f)10.4(i)3.3(cat)3.4(i)3.4(o)-2.2(n)9.8(.)-0.7( )-12(U)4.2(n)9.8(l)3.3(i)3.4(k)9.8(e)1.7( )-12(t)3.4(h)9.8(e )-12(h)9.8(i)3.3(s)6.6(t)3.4(og)9.8(ram)24.3( )-12(at)3.4(t)3.4(ack)9.8(, )-12(t)3.3(h)9.8(e )-12(propos)6.6(ed )]TJ 0 -1.3293 TD -0.0018 Tc 0.0512 Tw [(o)-4.8(r)-4.1(acle attack)7.2( still w)25.6(o)-4.8(rk)7.2(s ev)7.2(en)7.2( )-12(if)7.8( )-12(n)7.2(o)-4.8(n)7.2(zero)-4.8( )-12(th)7.2(resh)7.2(o)-4.8(l)0.8(d)-4.8(s)4( )]TJ 10.4676 0 0 10.4676 276.959 269.5607 Tm 0 Tc 0 Tw (})Tj -1.2152 0 TD ({)Tj /F5 1 Tf 5.985 0 0 5.985 274.1991 266.9207 Tm (i)Tj 10.4676 0 0 10.4676 269.0391 269.5607 Tm (k)Tj /F2 1 Tf 10.02 0 0 10.02 283.4391 269.5607 Tm -0.0008 Tc 0.0622 Tw [( )59.9(are u)8.2(s)5(ed in)8.2( th)8.2(e au)8.2(th)8.2(en)8.2(tication)8.2( process. In)8.2( th)8.2(is oracle attack)8.2(, w)26.6(e)0.1( )]TJ -22.8503 -1.4371 TD -0.0013 Tc 0.0387 Tw [(assu)7.7(m)22.2(e)-0.4( )11.9(th)7.7(at )11.9(an)7.7( )12(attack)7.7(er )12(Bob )12(h)7.7(a)-0.4(s )12(access )12(to )12(an)7.7( )12(au)7.7(th)7.7(en)7.7(ticated )12(im)22.2(ag)7.7(e )12(an)7.7(d )11.9(an)7.7( oracle so h)7.7(e)-0.4( can)7.7( test if)8.3( a m)22.2(odif)8.3(i)1.2(ed im)22.2(ag)7.7(e passes )]TJ 0 -1.1737 TD -0.0009 Tc 0.0503 Tw [(th)8.1(e au)8.1(th)8.1(en)8.1(tication)8.1( sy)20.1(stem)22.6( or n)8.1(o)-3.9(t. We w)26.5(o)-3.9(u)8.1(l)1.7(d also assu)8.1(m)22.6(e)0( th)8.1(at th)8.1(e DC)7.4(T)-12.7( block)8.1(s)4.9( )-12(are )-12(partition)8.1(e)0(d )-12(in)8.1(to )-12(n)8.1(o)-3.9(n)8.1(-)8.7(ov)8.1(erlappin)8.1(g)8.1( )-12(pairs. )]TJ T* -0.0013 Tc 0.0866 Tw [(We )11.9(n)7.7(o)-4.3(te )11.9(th)7.7(at )11.9(th)7.7(e )11.9(assu)7.7(m)22.2(p)-4.3(tion)7.7( of)8.3( an)7.7( oracle av)7.7(ailable is n)7.7(o)-4.3(t v)7.7(e)-0.4(ry)19.7( restrictiv)7.7(e sin)7.7(ce ev)7.7(en)7.7( in)7.7( application)7.7(s)4.5( w)26.1(h)7.7(ere access to an)7.7( )]TJ T* -0.0006 Tc 0.1578 Tw [(oracle )-12(is )-12(con)8.4(t)2(rolled, )-12(say)20.4( th)8.4(ree trials per u)8.4(s)5.2(ers f)9(o)-3.6(r a certain)8.4( period of)9.1( tim)22.9(e, th)8.4(e n)8.4(eeded n)8.4(u)8.4(m)22.9(ber of)9( tests can)8.4( be easily)20.4( )]TJ T* 0.0013 Tc 0.0002 Tw [(ach)10.3(i)3.9(e)2.2(v)10.3(e)2.2(d w)28.7(i)3.9(t)3.9(h)10.3( a cooperat)3.9(i)3.9(o)-1.7(n)10.3( of)10.9( In)10.3(t)3.9(e)2.2(rn)10.3(et)3.9( u)10.3(s)7.1(ers)7.1(,)-0.2( f)10.9(o)-1.7(rg)10.3(ery)22.3( of)10.9( di)3.9(f)10.9(f)10.9(e)2.2(ren)10.3(t)3.9( u)10.3(s)7.1(ers)7.1(,)-0.2( w)28.7(a)2.2(i)3.8(t)3.9(i)3.8(n)10.3(g)10.3( f)10.9(o)-1.7(r en)10.3(o)]TJ 34.8862 0 TD -0.009 Tc 0.0105 Tw [(ugh t)-6.5(i)-6.4(m)14.5(e)-8.1(,)-10.5( e)-8.1(t)-6.5(c)-8.1(.)-10.5( )]TJ -33.0898 -1.1737 TD -0.001 Tc 0.1702 Tw [(In)8( )-11.9(th)8(e )-11.9(SA)14.4(R)7.3(I)-3.3( )-11.9(sy)20(stem)22.5(, )-11.9(if)8.6( )-11.9(tw)26.4(o DC)7.3(T)-12.8( coef)8.6(f)8.6(i)1.5(cien)8(ts f)8.6(r)-3.3(om)22.5( tw)26.4(o block)8(s)4.8( in)8( th)8(e sam)22.5(e)-0.1( pair at a selected f)8.6(r)-3.3(equ)8(e)-0.1(n)8(c)-0.1(y)20( bin)8( are )]TJ -1.7964 -1.1737 TD -0.0003 Tc 0.0138 Tw [(m)23.2(odif)9.3(i)2.3(ed )12(by)20.7( )12(th)8.7(e )12(sam)23.2(e)0.6( am)23.2(ou)8.7(n)8.7(t)2.3(, th)8.7(e correspon)8.7(din)8.7(g)8.7( f)9.3(eatu)8.7(r)-2.6(e bit does n)8.7(o)-3.3(t ch)8.7(an)8.7(g)8.7(e)0.6(. If)9.3( th)8.7(e DC)8(T)-12.1( coef)9.3(f)9.3(i)2.3(cien)8.7(ts are f)9.3(r)-2.6(om)23.2( tw)27.1(o block)8.7(s)5.5( )]TJ T* 0.0008 Tc 0.0246 Tw [(i)3.4(n)9.8( )11.9(di)3.4(f)10.4(f)10.4(e)1.7(ren)9.8(t)3.4( )11.9(pai)3.4(r)-1.5(s)6.6(,)-0.7( )11.9(f)10.4(eat)3.4(u)9.8(r)-1.5(e )11.9(codes)6.6( )11.9(m)24.3(a)1.7(y)21.8( )11.9(be ch)9.8(an)9.8(g)9.8(e)1.7(d i)3.4(n)9.8( t)3.4(h)9.8(e proces)6.6(s)6.6(.)-0.7( T)-11(h)9.8(i)3.3(s)6.6( f)10.4(eat)3.4(u)9.8(r)-1.5(e i)3.3(s)6.6( ex)9.8(pl)3.3(oi)3.4(t)3.4(e)1.7(d by)21.8( t)3.3(h)9.8(e oracl)3.4(e at)3.4(t)3.4(ack)9.8( propos)6.6(ed by)21.8( )]TJ T* 0.0007 Tc 0.0008 Tw [(U)4.1(e)1.6(h)9.7(a)1.6(ra an)9.7(d S)5.8(a)1.6(f)10.3(a)1.6(v)9.7(i)3.3(-)10.3(N)4.1(ai)3.3(n)9.7(i)3.3( [9], den)9.7(o)-2.3(t)3.3(e)1.6(d as)6.5( t)3.3(h)9.7(e U)4.1(S)5.8(N)4.1( at)3.2(t)3.3(ack)9.7( i)3.3(n)9.7( t)3.3(h)9.7(e f)10.3(o)-2.3(l)3.3(l)3.3(o)-2.3(w)28.1(i)3.2(n)9.7(g)9.7(,)-0.8( )-12(as)6.5( )-12(w)28.1(e)1.6(l)3.3(l)3.3( )-12(as)6.5( )-12(ou)9.7(r )-12(propos)6.5(ed )-12(oracl)3.3(e )-12(at)3.3(t)3.2(ack)9.7( )-12(t)3.2(o)-2.3( )-12(f)10.4(i)3.2(n)9.7(d)-2.3( )-12(t)3.3(h)9.7(e )]TJ T* -0.0012 Tc 0.0386 Tw [(secret pairs u)7.8(s)4.6(ed in)7.8( th)7.8(e SA)14.2(R)7.1(I)-3.5( sy)19.8(stem)22.3(. In)7.8( th)7.8(e USN attack)7.8(, a pair is claim)22.3(e)-0.3(d to )-12(be )-12(f)8.4(o)-4.2(u)7.8(n)7.8(d)-4.2( )-12(if)8.4( )-12(tw)26.2(o )-12(DC)7.1(T)-13( )-12(coef)8.4(f)8.4(i)1.4(cien)7.8(ts )-12(f)8.4(r)-3.5(om)22.3( )-12(tw)26.2(o )]TJ ET endstream endobj 10 0 obj << /Type /XObject /Subtype /Image /Width 379 /Height 224 /BitsPerComponent 8 /ColorSpace /DeviceGray /Length 84897 >> stream 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A)14.7(s)5.1( w)26.7(e)0.2( poin)8.3(t)1.8(ed ou)8.3(t in)8.3( )]TJ -29.3174 -1.2335 TD -0.0018 Tc 0.0153 Tw [(Sectio)-4.8(n)7.2( 1)-4.8(,)-3.3( th)7.2(is sch)7.2(e)-0.9(m)21.7(e)-0.9( req)-4.8(u)7.2(ires th)7.2(e k)7.2(n)7.2(o)-4.8(w)25.6(l)0.8(ed)-4.8(g)7.2(e)-0.9( th)7.2(e th)7.2(resh)7.2(o)-4.8(l)0.8(d)-4.8(s)4( u)7.2(s)4(ed)-4.8( in)7.2( th)7.2(e sig)7.2(n)7.2(a)-0.9(tu)7.2(re g)7.2(e)-0.9(n)7.2(e)-0.9(ratio)-4.8(n)7.2(, o)-4.8(t)0.8(h)7.2(e)-0.9(rw)25.6(ise it m)21.7(a)-0.9(y)19.2( resu)7.2(lt )-12(in)7.2( )-12(a )]TJ 0 -1.1737 TD -0.0087 Tc 0.0581 Tw [(w)18.7(r)-11(o)-11.7(ng )12(p)-11.7(a)-7.8(i)-6.2(r)-11( )12(o)-11.7(f)0.9( )12(b)-11.7(l)-6.2(o)-11.7(c)-7.8(ks.)-10.2( )12(E)-8.5(v)0.3(e)-7.8(n)0.3( )12(w)18.7(i)-6.2(t)-6.1(h)0.3( )12(suc)-7.8(h)0.3( )12(kno)-11.7(w)18.7(l)-6.1(e)-7.8(d)-11.7(ge)-7.8(,)-10.2( )12(t)-6.1(h)0.3(e)-7.8( )12(U)-5.3(S)-3.6(N)-5.3( )12(a)-7.8(t)-6.1(t)-6.1(a)-7.8(c)-7.8(k)0.3( m)14.8(a)-7.8(y)12.3( no)-11.7(t)-6.1( b)-11.7(e)-7.8( a)-7.8(b)-11.7(l)-6.1(e)-7.8( t)-6.1(o)-11.7( fi)-6.1(nd)-11.7( r)-11(i)-6.1(ght)-6.2( p)-11.7(a)-7.8(i)-6.2(r)-11(s d)-11.7(u)0.3(e)-7.8( t)-6.2(o)-11.7( o)-11.7(u)0.3(t)-6.1(-)0.9(o)-11.7(f-r)-11(a)-7.8(nge)-7.8( )]TJ T* -0.0006 Tc 0.05 Tw [(pix)8.4(e)0.3(l v)8.4(a)0.3(lu)8.4(es an)8.4(d its ig)8.4(n)8.4(o)-3.6(ran)8.4(ce of)9( th)8.4(e m)22.9(ean)8.4( v)8.4(a)0.3(lu)8.4(es of)9( DC)7.7(T)-12.4( coef)9(f)9(i)2(cien)8.4(ts of)9.1( selected f)9(r)-2.9(equ)8.4(e)0.3(n)8.4(c)0.3(y)20.4( bin)8.4(s)5.2( f)9(o)-3.6(r all block)8.4(s)5.2( )-12(recorded )]TJ T* 0.0013 Tc 0.084 Tw [(i)3.9(n)10.3( t)3.8(h)10.3(e di)3.9(g)10.3(i)3.9(t)3.9(a)2.2(l)3.9( s)7.1(i)3.9(g)10.3(n)10.3(a)2.2(t)3.9(u)10.3(re i)3.9(n)10.3( S)6.4(A)16.7(R)9.6(I)-1(. O)4.7(u)10.3(r propos)7.1(ed oracl)3.9(e at)3.9(t)3.8(ack)10.3( t)3.9(o)-1.7( be des)7.1(c)2.2(ri)3.9(bed i)3.9(n)10.3( det)3.9(a)2.2(i)3.8(l)3.8( n)10.3(e)2.2(x)10.3(t)3.8(, on)10.3( t)3.8(h)10.3(e ot)3.9(h)10.3(e)2.2(r )-12(h)10.3(a)2.2(n)10.3(d)-1.7(, )-12(does)7.1( )-12(n)10.3(o)-1.7(t)3.9( )]TJ T* -0.0011 Tc 0.0505 Tw [(requ)7.9(ire )12(th)7.9(e )12(k)7.9(n)7.9(o)-4.1(w)26.3(l)1.5(edg)7.9(e)-0.2( )12(th)7.9(e th)7.9(resh)7.9(olds u)7.9(s)4.7(ed in)7.9( g)7.9(e)-0.2(n)7.9(e)-0.2(ratin)7.9(g)7.9( th)7.9(e sig)7.9(n)7.9(a)-0.2(tu)7.9(re. Ou)7.9(r attack)7.9( is caref)8.5(u)7.9(lly)19.9( desig)7.9(n)7.9(e)-0.2(d to en)7.9(su)7.9(re th)7.9(at th)7.9(e )]TJ T* -0.0004 Tc 0.0618 Tw [(m)23.1(ean)8.6( v)8.6(a)0.5(lu)8.6(es of)9.2( DC)7.9(T)-12.2( coef)9.2(f)9.2(i)2.2(cien)8.6(ts of)9.2( selected f)9.2(r)-2.7(equ)8.6(e)0.5(n)8.6(c)0.5(y)20.6( bin)8.6(s)5.4( f)9.2(o)-3.4(r all block)8.6(s)5.4( do n)8.6(o)-3.4(t v)8.6(a)0.5(ry)20.6( m)23.1(u)8.6(ch)8.6( f)9.2(r)-2.7(om)23.1( th)8.6(e recoded )-12(v)8.6(a)0.5(lu)8.6(es )-12(in)8.6( )]TJ T* -0.0005 Tc 0.002 Tw [(th)8.5(e dig)8.5(ital sig)8.5(n)8.5(a)0.4(tu)8.5(re. In)8.5( addition)8.5(, ou)8.5(r attack)8.5( g)8.5(u)8.5(a)0.4(ran)8.5(t)2.1(ees th)8.5(at all th)8.5(e secret pairs w)26.9(i)2(ll be correctly)20.5( dedu)8.5(ced in)8.5( a f)9.1(i)2.1(n)8.5(i)2(te )-12(n)8.5(u)8.5(m)23(be)]TJ 48.2156 0 TD 0.0023 Tc 0 Tw (r )Tj -48.2156 -1.1737 TD -0.0009 Tc 0.1701 Tw [(of)8.7( oracle tests. In)8.1( th)8.1(e f)8.7(o)-3.9(llow)26.5(i)1.7(n)8.1(g)8.1( su)8.1(bsection)8.1(s)4.9(, w)26.5(e)0( sh)8.1(all also an)8.1(aly)20.1(ze )12(th)8.1(e )12(requ)8.1(ired )12(oracle )12(tests )12(in)8.1( )12(ou)8.1(r )12(oracle )12(attack)8.1( )12(an)8.1(d )]TJ T* 0.001 Tc 0.0005 Tw [(propos)6.8(e a m)24.5(odi)3.5(f)10.6(i)3.6(ed S)6.1(A)16.4(R)9.3(I)-1.3( t)3.6(h)10(at)3.6( can)10( t)3.6(h)10(w)28.4(a)1.9(rt)3.6( ou)10(r oracl)3.6(e at)3.6(t)3.6(ack)10(. )]TJ 1.7964 -1.1736 TD 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 54.4791 630.5207 Tm 0.0053 Tc (3.1.)Tj /F6 1 Tf 1.5181 0 TD 0 Tc ( )Tj /F4 1 Tf 0.2892 0 TD 0.0034 Tc -0.0004 Tw [(Ou)5.2(r Oracl)4.3(e)1.6( Attack)17.2( )]TJ /F2 1 Tf 10.02 0 0 10.02 54.4791 619.0007 Tm -0.0017 Tc 0.0032 Tw [(With)7.3(o)-4.7(u)7.3(t lo)-4.7(ss o)-4.7(f)7.9( g)7.3(e)-0.8(n)7.3(e)-0.8(rality)19.3(, w)25.7(e)-0.8( u)7.3(s)4.1(e DC)6.6(T)-13.5( v)7.3(a)-0.8(lu)7.3(es at a f)7.9(r)-4(eq)-4.7(u)7.3(e)-0.8(n)7.3(c)-0.8(y)19.3( b)-4.7(i)0.9(n)7.3( )]TJ ET q 1 i 318.839 616.601 6.36 9.36 re W n BT /F5 1 Tf 10.02 0 0 10.02 318.8391 619.0007 Tm 0 Tc 0 Tw (v)Tj ET Q BT 10.02 0 0 10.02 325.1991 619.0007 Tm -0.0005 Tc 0.002 Tw [( to lau)8.5(n)8.5(c)0.4(h)8.5( th)8.5(e oracle attack)8.5(. T)-12.3(h)8.5(is f)9.1(r)-2.8(equ)8.5(e)0.4(n)8.5(c)0.4(y)20.5( bin)8.5( can)8.5( )-12(be )]TJ -27.018 -1.2335 TD -0.0012 Tc 0.0386 Tw [(an)7.8(y)19.8( )12(of)8.4( )11.9(th)7.8(e )12(f)8.4(r)-3.5(equ)7.8(e)-0.3(n)7.8(c)-0.3(y)19.8( )12(bin)7.8(s)4.6( )12(u)7.8(s)4.6(ed in)7.8( th)7.8(e SA)14.2(R)7.1(I)-3.5( au)7.8(th)7.8(en)7.8(tication)7.8( sy)19.8(stem)22.3(, su)7.8(ch)7.8( as th)7.8(e DC)7.1( f)8.4(r)-3.5(equ)7.8(e)-0.3(n)7.8(c)-0.3(y)19.8( or a low)26.2( A)14.2(C)7.1( f)8.4(r)-3.5(equ)7.8(e)-0.3(n)7.8(c)-0.3(y)19.8(.)-2.7( For )]TJ 0 -1.1737 TD 0.0985 Tw [(con)7.8(v)7.8(e)-0.3(n)7.8(i)1.4(en)7.8(ce, w)26.2(e)-0.3( w)26.2(o)-4.2(u)7.8(l)1.4(d assu)7.8(m)22.3(e)-0.3( th)7.8(at th)7.8(e im)22.3(ag)7.8(e is in)7.8( th)7.8(e J)-7.4(P)-8.1(EG f)8.4(o)-4.2(rm)22.3(at an)7.8(d all th)7.8(e DC)7.1(T)-13( v)7.8(a)-0.3(lu)7.8(es m)22.3(e)-0.3(n)7.8(tion)7.8(e)-0.3(d )-12(below)26.2( )-12(are )-12(th)7.8(e )]TJ 0 -1.2335 TD -0.0011 Tc 0.0745 Tw [(qu)7.9(an)7.9(tized )12(DC)7.2(T)-12.9( )12(v)7.9(a)-0.2(lu)7.9(e. )12(T)-12.9(h)7.9(is )12(m)22.4(ean)7.9(s )12(th)7.9(at )12(addin)7.9(g)7.9( 1 to a qu)7.9(an)7.9(tized DC)7.2(T)-12.9( v)7.9(a)-0.2(lu)7.9(e is actu)7.9(a)-0.2(lly)19.9( addin)7.9(g)7.9( )]TJ 10.4676 0 0 10.4676 453.2391 582.5207 Tm 0 Tc 0 Tw (\))Tj -0.8139 0 TD (\()Tj /F5 1 Tf 0.3439 0 TD (v)Tj -1.1005 0 TD (Q)Tj /F2 1 Tf 10.02 0 0 10.02 458.2791 582.5207 Tm -0.001 Tc 0.0744 Tw [( )71.9(to)-4( th)8(e reco)-4(n)8(s)4.8(tru)8(c)-0.1(ted)-4( )]TJ -40.2994 -1.497 TD -0.0012 Tc 0.0147 Tw [(DC)7.1(T)-13( v)7.8(a)-0.3(lu)7.8(e, w)26.2(h)7.8(ere )]TJ 10.4676 0 0 10.4676 148.4391 567.5207 Tm 0 Tc 0 Tw (\))Tj -0.8139 0 TD (\()Tj /F5 1 Tf 0.3439 0 TD (v)Tj -1.1005 0 TD (Q)Tj /F2 1 Tf 10.02 0 0 10.02 153.4791 567.5207 Tm -0.0012 Tc 0.0147 Tw [( )12(is th)7.8(e J)-7.4(P)-8.1(EG qu)7.8(an)7.8(tization)7.8( step f)8.4(o)-4.2(r th)7.8(e DC)7.1(T)-13( coef)8.4(f)8.4(i)1.3(cien)7.8(t. It is )-12(equ)7.8(i)1.3(v)7.8(a)-0.3(len)7.8(tly)19.8( )-11.9(to )-11.9(treat )-11.9(all )]TJ 10.4676 0 0 10.4676 506.879 567.5207 Tm 0 Tc 0 Tw (\))Tj -0.8139 0 TD (\()Tj /F5 1 Tf 0.3439 0 TD (v)Tj -1.1005 0 TD (Q)Tj /F2 1 Tf 10.02 0 0 10.02 511.919 567.5207 Tm -0.0006 Tc 0.026 Tw [( )23.9(as 1 in)8.4( )]TJ -45.6527 -1.4371 TD -0.0009 Tc 0.0144 Tw [(describin)8.1(g)8.1( ou)8.1(r oracle attack)8.1(. T)-12.7(h)8.1(is assu)8.1(m)22.6(p)-3.9(tion)8.1( does n)8.1(o)-3.9(t actu)8.1(a)0(lly)20.1( pu)8.1(t an)8.1(y)20.1( restriction)8.1( to ou)8.1(r oracle attack)8.1( sin)8.1(ce an)8.1( im)22.6(ag)8.1(e in)8.1( )-12(a )]TJ 0 -1.1736 TD 0.0742 Tw [(dif)8.7(f)8.7(e)0(ren)8.1(t)1.7( f)8.7(o)-3.9(rm)22.6(at oth)8.1(e)0(r th)8.1(an)8.1( th)8.1(e J)-7.1(P)-7.8(EG f)8.7(o)-3.9(rm)22.6(at can)8.1( be easily)20.1( con)8.1(v)8.1(e)0(rt to th)8.1(e J)-7.1(P)-7.8(EG f)8.7(o)-3.9(rm)22.6(at w)26.5(h)8.1(ich)8.1( does n)8.1(o)-3.9(t )-12(trig)8.1(g)8.1(e)0(r )-12(th)8.1(e )-12(SA)14.5(R)7.4(I)-3.2( )]TJ T* -0.0036 Tc 0 Tw [(sy)17.4(stem)19.9(.)-5.1( )]TJ 1.7964 -1.1737 TD -0.001 Tc 0.1702 Tw [(SA)14.4(R)7.3(I)-3.3( records th)8(e m)22.5(ean)8( v)8(a)-0.1(lu)8(e f)8.6(o)-4(r each)8( selected f)8.6(r)-3.3(equ)8(e)-0.1(n)8(c)-0.1(y)20( bin)8(,)-2.5( )12(an)8(d )12(sm)22.5(all )12(v)8(a)-0.1(riation)8(s)4.8( )12(are )12(allow)26.4(e)-0.1(d )12(sin)8(ce )12(th)8(e )12(J)-7.2(P)-7.9(EG )]TJ -1.7964 -1.1737 TD -0.0014 Tc 0.1466 Tw [(com)22.1(p)-4.4(ression)7.6( )-12(m)22.1(a)-0.5(y)19.6( )-12(cau)7.6(se )-12(som)22.1(e)-0.5( )-12(dif)8.2(f)8.2(e)-0.5(ren)7.6(ces )-12(in)7.6( )-12(th)7.6(ese )-12(m)22.1(ean)7.6( v)7.6(a)-0.5(lu)7.6(es. In)7.6( th)7.6(e f)8.2(o)-4.4(llow)26(in)7.6(g)7.6( description)7.6(,)-2.9( w)26(e)-0.5( assu)7.6(m)22.1(e)-0.5( th)7.6(at a sm)22.1(all )]TJ 0 -1.2335 TD -0.009 Tc 0.0344 Tw [(va)-8.1(r)-11.3(i)-6.4(a)-8.1(t)-6.4(i)-6.5(o)-12(n o)-12(f)0.6( )]TJ /F5 1 Tf 10.4676 0 0 10.4676 142.0791 493.7207 Tm 0 Tc 0 Tw (N)Tj -1.4215 0 TD (v)Tj -1.1005 0 TD (Q)Tj /F2 1 Tf 2.0406 0 TD (/)Tj -0.4815 0 TD (\))Tj -0.8025 0 TD (\()Tj -1.754 0 TD (2)Tj /F7 1 Tf 10.4737 0 0 10.4737 111.8391 493.7207 Tm ()Tj /F2 1 Tf 10.02 0 0 10.02 152.3991 493.7207 Tm -0.0006 Tc 0.038 Tw [(is )12(allow)26.8(e)0.3(d )11.9(f)9(o)-3.6(r )12(th)8.4(e )11.9(m)22.9(ean)8.4( of)9( th)8.4(e selected f)9(r)-2.9(equ)8.4(e)0.3(n)8.4(c)0.3(y)20.4( bin)8.4( )]TJ ET q 1 i 370.079 491.321 6.36 9.36 re W n BT /F5 1 Tf 10.02 0 0 10.02 370.0791 493.7207 Tm 0 Tc 0 Tw (v)Tj ET Q BT 10.02 0 0 10.02 376.4391 493.7207 Tm 0.0004 Tc 0.037 Tw [(, w)27.8(h)9.4(ere )]TJ /F5 1 Tf 10.4676 0 0 10.4676 410.7591 493.7207 Tm 0 Tc 0 Tw (N)Tj /F2 1 Tf 10.02 0 0 10.02 420.4791 493.7207 Tm -0.0012 Tc 0.0386 Tw [( )35.9(is th)7.8(e to)-4.2(tal n)7.8(u)7.8(m)22.3(b)-4.2(e)-0.3(r o)-4.2(f)8.4( b)-4.2(l)1.4(o)-4.2(c)-0.3(k)7.8(s)4.6(. )]TJ -36.5269 -1.4371 TD 0.0507 Tw [(T)-13.1(h)7.7(is m)22.2(ean)7.7(s th)7.7(at f)8.3(o)-4.3(r qu)7.7(an)7.7(tized DC)7(T)-13.1( v)7.7(a)-0.4(lu)7.7(es, th)7.7(e su)7.7(m)22.2( of)8.3( m)22.2(odif)8.3(i)1.3(ed DC)7(T)-13.1( v)7.7(a)-0.4(lu)7.7(es )-12(m)22.2(u)7.7(st )-12(be )-12(w)26.1(ith)7.7(in)7.7( )-12(th)7.7(e )-12(m)22.2(a)-0.4(x)7.7(i)1.2(m)22.2(u)7.7(m)22.2( )-12(distan)7.7(ce )-12(of)8.3( )-12(2 )]TJ 0 -1.1737 TD -0.0019 Tc 0.0273 Tw [(f)7.7(r)-4.2(o)-4.9(m)21.6( )11.9(th)7.1(e o)-4.9(r)-4.2(ig)7.1(in)7.1(al su)7.1(m)21.6( o)-4.9(f)7.7( th)7.1(e q)-4.9(u)7.1(an)7.1(tized)-4.9( v)7.1(a)-1(lu)7.1(es. In)7.1( ad)-4.9(d)-4.9(itio)-4.9(n)7.1(,)-3.4( w)25.5(e)-1( assu)7.1(m)21.6(e)-1( th)7.1(e f)7.7(r)-4.2(eq)-4.9(u)7.1(e)-1(n)7.1(c)-1(y)19.1( b)-4.9(i)0.6(n)7.1(s)3.9( u)7.1(s)3.9(ed)-4.9( in)7.1( g)7.1(e)-1(n)7.1(e)-1(ratin)7.1(g)7.1( th)7.1(e sig)7.1(n)7.1(a)-1(tu)7.1(re )]TJ T* -0.0086 Tc 0.2137 Tw [(i)-6(s)-2.8( kno)-11.6(w)18.8(n)0.4( b)-11.6(u)0.4(t)-6( t)-6.1(h)0.4(e)-7.7( t)-6(h)0.4(r)-10.9(e)-7.7(sho)-11.6(l)-6(d)-11.6(s)-2.8( a)-7.7(r)-10.9(e)-7.7( unkno)-11.6(w)18.8(n)0.4(.)-10.1( Si)-6(nc)-7.7(e)-7.7( t)-6(h)0.4(e)-7.7( a)-7.7(l)-6(l)-6(o)-11.6(w)18.8(e)-7.7(d)-11.6( c)-7.7(h)0.4(a)-7.7(nge)-7.7( )12(t)-6(o)-11.6( )12(t)-6(h)0.4(e)-7.7( )12(m)14.9(e)-7.7(a)-7.7(n)0.4( )12(va)-7.7(l)-6.1(u)0.4(e)-7.7( )12(o)-11.6(f)1( )12(D)-5.2(C)-0.3(T)-20.4( )12(c)-7.7(o)-11.6(e)-7.7(ffi)-6(c)-7.7(i)-6.1(e)-7.7(n)0.4(t)-6(s)-2.8( )12(a)-7.7(t)-6.1( )12(t)-6(h)0.4(e)-7.7( )]TJ T* -0.0092 Tc 0.0586 Tw [(fr)-11.5(e)-8.3(q)-12.2(ue)-8.3(nc)-8.3(y)11.8( b)-12.2(i)-6.6(n )]TJ /F5 1 Tf 5.9401 0 TD 0 Tc 0 Tw (v)Tj /F2 1 Tf 0.6347 0 TD -0.0013 Tc 0.0507 Tw [( )47.9(is so sm)22.2(all, w)26.1(e)-0.4( h)7.7(a)-0.4(v)7.7(e)-0.4( to m)22.2(a)-0.4(k)7.7(e)-0.4( su)7.7(re th)7.7(at m)22.2(odif)8.3(i)1.3(cation)7.7( in)7.7( )-12(an)7.7( )-12(oracle )-12(test )-12(does )-12(n)7.7(o)-4.3(t )-12(cau)7.7(se )-12(m)22.2(odif)8.3(i)1.2(cation)7.7( )-12(to )-12(th)7.7(e )]TJ -6.5749 -1.2335 TD -0.0008 Tc 0.0023 Tw [(m)22.7(ean)8.2( v)8.2(a)0.1(lu)8.2(e larg)8.2(er th)8.2(an)8.2( th)8.2(e allow)26.6(e)0.1(d v)8.2(a)0.1(lu)8.2(e. T)-12.6(o)-3.8( ach)8.2(iev)8.2(e)0.1( th)8.2(is, ou)8.2(r oracle attack)8.2( con)8.2(s)5(ists of)8.8( tw)26.6(o stag)8.2(es: th)8.2(e f)8.9(i)1.7(rst stag)8.2(e is to f)8.8(i)1.8(n)8.2(d)]TJ 48.5509 0 TD 0 Tc 0 Tw ( )Tj -48.5509 -1.1737 TD -0.0008 Tc 0.0143 Tw [(th)8.2(e f)8.8(i)1.8(rst pair of)8.8( block)8.2(s)5(. T)-12.6(h)8.2(e secon)8.2(d)-3.8( stag)8.2(e is to u)8.2(s)5(e th)8.2(e )-11.9(pairs )-11.9(prev)8.2(iou)8.2(s)5(ly)20.2( )-11.9(f)8.8(o)-3.8(u)8.2(n)8.2(d)-3.8( )-11.9(to )-11.9(balan)8.2(ce )-11.9(th)8.2(e )-11.9(m)22.7(odif)8.8(i)1.7(cation)8.2( )-11.9(to )-11.9(testin)8.2(g)8.2( )-12(block)8.2(s)5( )]TJ T* -0.001 Tc 0.0264 Tw [(to en)8(su)8(re th)8(e su)8(m)22.5( of)8.6( th)8(e m)22.5(ean)8( v)8(a)-0.1(lu)8(e of)8.6( DC)7.3(T)-12.8( v)8(a)-0.1(lu)8(es af)8.6(ter m)22.5(odif)8.6(i)1.6(cation)8( w)26.4(i)1.6(th)8(in)8( th)8(e allow)26.4(e)-0.1(d ran)8(g)8(e)-0.1(. In)8( th)8(e process )-12(to )-12(f)8.6(i)1.5(n)8(d)-4( )-12(all )]TJ T* -0.0005 Tc 0.2535 Tw [(th)8.5(e )-12(secret )-12(pairs, )-12(th)8.5(e allow)26.9(e)0.4(d m)23(a)0.4(x)8.5(i)2.1(m)23(u)8.5(m)23( distortion)8.5( to a pair of)9.1( DC)7.8(T)-12.3( coef)9.1(f)9.1(i)2.1(cien)8.5(ts can)8.5( also be f)9.1(o)-3.5(u)8.5(n)8.5(d)-3.5(. T)-12.3(h)8.5(e dedu)8.5(ced )]TJ T* -0.0007 Tc 0.0022 Tw [(in)8.3(f)8.9(o)-3.7(rm)22.8(ation)8.3( can)8.3( be u)8.3(s)5.1(ed to m)22.8(odif)8.9(y)20.3( th)8.3(e con)8.3(t)1.9(en)8.3(t of)8.9( th)8.3(e im)22.8(ag)8.3(e w)26.7(i)1.9(th)8.3(ou)8.3(t trig)8.3(g)8.3(e)0.2(rin)8.3(g)8.3( th)8.3(e SA)14.7(R)7.6(I)-3( sy)20.3(stem)22.8(. )]TJ 1.7964 -1.9401 TD -0.0023 Tc 0.0637 Tw [(T)-14.1(o)-5.3( sim)21.2(p)-5.3(lif)7.3(y)18.7( th)6.7(e d)-5.3(e)-1.4(scrip)-5.3(tio)-5.3(n)6.7(,)-3.8( w)25.1(e)-1.4( d)-5.3(e)-1.4(n)6.7(o)-5.3(te )]TJ 7.0092 0 0 7.0092 262.7991 355.6007 Tm 0 Tc 0 Tw (1)Tj 10.0134 0 0 10.0134 253.4391 365.2007 Tm 1.0212 Tc [(\(\()-1689.7(\))1030.6(\))]TJ /F5 1 Tf 7.0092 0 0 7.0092 259.5591 374.6807 Tm 0 Tc (n)Tj ET q 1 i 276.719 360.881 29.16 7.92 re W n BT 7.0092 0 0 7.0092 276.7191 362.5607 Tm (i)Tj ET Q BT 7.0092 0 0 7.0092 293.9991 362.5607 Tm (i)Tj -5.3073 -0.993 TD (i)Tj 10.0134 0 0 10.0134 236.0391 365.2007 Tm 0.0072 Tc [(Te)7.8(s)12.7(t)-1752.1(C)-1207.3(a)]TJ /F7 1 Tf 7.0092 0 0 7.0092 259.3191 355.6007 Tm 0 Tc ()Tj 10.0134 0 0 10.0134 281.8791 365.2007 Tm ()Tj /TT2 1 Tf 12.0164 0 0 12.0164 257.3991 363.8807 Tm (U)Tj /F2 1 Tf 10.0134 0 0 10.0134 305.8791 365.2007 Tm -0.0005 Tc 0.0621 Tw [( )59.9(as th)8.2(e resu)8.2(lt of)8.9( a procedu)8.2(r)-3(e th)8.2(at adds )]TJ /F5 1 Tf 7.0092 0 0 7.0092 469.1991 362.2007 Tm 0 Tc 0 Tw (i)Tj 12 0 0 12 463.0791 365.2007 Tm (a)Tj /F2 1 Tf 10.0134 0 0 10.0134 473.2791 365.2007 Tm 0.0736 Tw [( )71.9(to th)8.7(e qu)8.7(an)8.7(tized )]TJ -41.824 -2.3968 TD -0.0012 Tc 0.1706 Tw [(DC)6.7(T)-13.4( coef)8.2(f)8.2(i)1.2(cien)7.5(t )]TJ /F5 1 Tf 7.0092 0 0 7.0092 133.5591 338.2007 Tm 0 Tc 0 Tw (i)Tj 12 0 0 12 125.3991 341.2007 Tm (C)Tj /F2 1 Tf 10.0134 0 0 10.0134 137.9991 341.2007 Tm -0.0094 Tc 0.0111 Tw [( fo)-12.7(r)-12( )]TJ /F5 1 Tf 5.189 0 TD 0 Tc 0 Tw (n)Tj -3.3435 0 TD (i)Tj /F2 1 Tf 9.9689 0 0 9.9689 186.2391 341.2007 Tm (,)Tj -1.3121 0 TD (,)Tj -0.4093 0 TD (1)Tj /TT2 1 Tf 0.6982 0 TD (L)Tj /F7 1 Tf -1.3963 0 TD ()Tj /F2 1 Tf 3.5149 0 TD 0.002 Tc 0.1693 Tw [(, s)5.8(e)0.6(n)8.5(d)-3.6(s)5.8( th)8.5(e res)5.8(u)8.5(ltin)8.5(g)8.5( m)21.6(odif)10(i)3.1(ed im)21.6(ag)8.5(e to th)8.5(e oracle, an)8.5(d )12(obs)5.8(erv)8.5(e)0.6(s)5.8( )12(th)8.5(e )12(ou)8.5(tpu)8.5(t)3.1( )12(of)10( )12(th)8.5(e )]TJ -14.3125 -1.5408 TD 0.0022 Tc 0.0487 Tw [(oracle, w)26(h)8.7(ere )]TJ /F5 1 Tf 12.0436 0 0 12.0436 112.9191 325.8407 Tm 0 Tc 0 Tw (n)Tj /F2 1 Tf 9.9689 0 0 9.9689 121.0791 325.8407 Tm 0.0033 Tc 0.0597 Tw [( )60.2(i)4.4(s)7.1( t)4.4(h)9.8(e n)9.8(u)9.8(m)22.9(ber of)11.3( t)4.4(h)9.8(e coef)11.3(f)11.3(i)4.4(ci)4.4(en)9.8(t)4.4(s)7.1( t)4.4(o)-2.3( be m)22.9(odi)4.4(f)11.3(i)4.4(ed s)7.1(i)4.4(m)22.9(u)9.8(l)4.4(t)4.4(a)1.9(n)9.8(e)1.9(ou)9.8(s)7.1(l)4.4(y)21.8(.)0.5( T)-11.6(h)9.8(e t)4.4(w)27.1(o s)7.1(t)4.4(ag)9.8(es)7.1( of)11.3( t)4.4(h)9.8(e propos)7.1(ed oracl)4.4(e )]TJ -6.6808 -1.2399 TD 0.0019 Tc 0.0009 Tw [(attack)8.4( can)8.4( be des)5.7(c)0.5(ribed as)5.7( f)9.9(o)-3.7(llow)25.7(s)5.7(: )]TJ 1.8056 -1.1797 TD 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 65.3991 289.3607 Tm -0.0002 Tc 0.0032 Tw [(St)-4.5(a)-6.2(g)-6.2(e)-2( 1)-6.2(:)-4.5( F)-3.7(i)0.7(nding)-6.2( t)-4.5(h)1.6(e f)-4.5(i)0.7(rst)-4.5( pa)-6.2(ir )]TJ /F2 1 Tf 9.9689 0 0 9.9689 66.7191 277.8407 Tm 0.0056 Tc 0 Tw (1.)Tj /F9 1 Tf 9.96 0 0 9.96 74.2791 277.8407 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 81.4791 277.8407 Tm 0.0012 Tc 0.0257 Tw [(For )12.1(all )12.1(th)7.7(e )12.1(qu)7.7(an)7.7(tized )12.1(DC)6.1(T)-13.7( )12.1(coef)9.2(f)9.2(i)2.3(cien)7.7(ts)5(, )12.1(f)9.2(i)2.3(n)7.7(d)-4.4( th)7.7(e coef)9.2(f)9.2(i)2.3(cien)7.7(t A)13( w)25(h)7.7(ich)7.7( h)7.7(a)-0.2(s)5( th)7.7(e larg)7.7(es)5(t v)7.7(a)-0.2(lu)7.7(e th)7.7(at can)7.7( be added to it )]TJ 0.1324 -1.1797 TD -0.0006 Tc 0.0275 Tw [(w)23.2(ith)5.9(o)-6.2(u)5.9(t )12.1(r)-4.6(e)-2(su)5.9(ltin)5.9(g)5.9( )12.1(in)5.9( )12.1(o)-6.2(u)5.9(t-)7.4(o)-6.2(f)7.4(-)7.4(r)-4.6(an)5.9(g)5.9(e)-2( )12.1(p)-6.2(i)0.5(x)5.9(e)-2(l )12.1(v)5.9(a)-2(lu)5.9(es )12.1(in)5.9( sp)-6.2(atial d)-6.2(o)-6.2(m)19(ain)5.9(.)-3.4( Do)-6.2( th)5.9(e sam)19(e)-2( th)5.9(in)5.9(g)5.9( to)-6.2( f)7.4(i)0.5(n)5.9(d)-6.2( an)5.9(o)-6.2(t)0.5(h)5.9(e)-2(r)-4.6( co)-6.2(ef)7.4(f)7.4(i)0.5(cien)5.9(t B)-7.7( )]TJ T* 0.0015 Tc 0.0494 Tw [(w)25.3(h)8(ich)8( h)8(a)0.1(s)5.3( th)8(e larg)8(es)5.3(t v)8(a)0.1(lu)8(e th)8(at can)8( be s)5.3(u)8(btracted f)9.5(r)-2.6(om)21.1( it. Note th)8(at A)13.3( an)8(d B)-5.6( are f)9.5(r)-2.5(om)21.1( )-12.1(dif)9.5(f)9.5(e)0.1(ren)8(t)2.6( )-12.1(block)8(s)5.3( )-12.1(s)5.3(o)-4.1( )-12.1(th)8(ey)20( )]TJ T* 0.0019 Tc 0.0009 Tw [(h)8.4(a)0.5(v)8.4(e)0.5( n)8.4(o)-3.7( in)8.4(terf)9.9(eren)8.4(ce in)8.4( carry)20.4(in)8.4(g)8.4( ou)8.4(t th)8.4(es)5.7(e procedu)8.4(r)-2.1(es)5.7(. )]TJ -1.7454 -1.2399 TD 0.0056 Tc 0 Tw (2.)Tj /F9 1 Tf 9.96 0 0 9.96 72.9591 230.2007 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 83.3991 230.2007 Tm -0.0053 Tc 0.2368 Tw [(Fi)-4.2(nd)-10.9( t)-4.2(h)1.2(e)-6.7( a)-6.7(m)14.3(o)-10.9(unt)-4.2( )]TJ /F5 1 Tf 10.0134 0 0 10.0134 157.7991 230.2007 Tm -0.003 Tc 0 Tw (m )Tj /F2 1 Tf 9.9689 0 0 9.9689 169.7991 230.2007 Tm 0 Tc (\()Tj /F5 1 Tf 10.0134 0 0 10.0134 173.1591 230.2007 Tm (m)Tj /F7 1 Tf 12 0 0 12 182.8791 230.2007 Tm ()Tj /F2 1 Tf 9.9689 0 0 9.9689 191.8791 230.2007 Tm 0.0014 Tc 0.2301 Tw [(0\) s)5.2(u)7.9(ch)7.9( th)7.9(at )-7631.7(}\))]TJ 10.4485 0 TD 0 Tc 0 Tw (,)Tj -3.1297 0 TD 0.004 Tc (\({)Tj /F5 1 Tf 10.0134 0 0 10.0134 317.0391 230.2007 Tm 0 Tc (m)Tj -1.5699 0 TD (B)Tj -1.2463 0 TD (m)Tj -1.5459 0 TD (A)Tj -2.5885 0 TD -0.0041 Tc (Test)Tj /F7 1 Tf 9.9689 0 0 9.9689 309.5991 230.2007 Tm 0 Tc ()Tj -2.8529 0 TD ()Tj /F2 1 Tf 5.4048 0 TD 0.0001 Tc 0.2314 Tw [( )228.7(is au)6.6(th)6.6(en)6.6(tic b)-5.5(u)6.6(t )-10268(}\))]TJ 17.1895 0 TD 0 Tc 0 Tw (1)Tj -3.7436 0 TD (,)Tj -0.4093 0 TD (1)Tj -4.0446 0 TD 0.004 Tc (\({)Tj /F7 1 Tf 7.5475 0 TD 0 Tc ()Tj -1.7093 0 TD ()Tj -2.4677 0 TD ()Tj -1.7214 0 TD ()Tj /F5 1 Tf 10.0134 0 0 10.0134 490.5591 230.2007 Tm (m)Tj -1.6059 0 TD (B)Tj -2.5526 0 TD (m)Tj -1.5699 0 TD (A)Tj -2.5885 0 TD -0.0041 Tc (Test)Tj /F2 1 Tf 9.9689 0 0 9.9689 520.9191 230.2007 Tm -0.0007 Tc 0.0035 Tw ( is )Tj -43.8886 -1.4445 TD 0.0005 Tc 0 Tw [(in)7(au)7(th)7(en)7(tic. )]TJ -1.8056 -1.2399 TD 0.0056 Tc (3.)Tj /F9 1 Tf 9.96 0 0 9.96 72.9591 203.4407 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 83.3991 203.4407 Tm -0.0091 Tc 10.7975 Tw [(Le)-10.5(t)-8( })-10.6(\))]TJ 9.5818 0 TD 0 Tc 0 Tw (,)Tj -0.4093 0 TD (1)Tj -3.9844 0 TD 0.004 Tc (\({)Tj 7.0092 0 0 7.0092 103.5591 200.9207 Tm 0 Tc (1)Tj /F5 1 Tf 10.0134 0 0 10.0134 199.9191 203.4407 Tm (m)Tj -1.5699 0 TD (B)Tj -2.5046 0 TD (m)Tj -1.5339 0 TD (A)Tj -2.5765 0 TD -0.0041 Tc (Test)Tj -1.7017 0 TD 0 Tc (r)Tj /F7 1 Tf 9.9689 0 0 9.9689 192.4791 203.4407 Tm ()Tj -2.4195 0 TD ()Tj -1.6852 0 TD ()Tj -4.1288 0 TD ()Tj /F2 1 Tf 10.7013 0 TD 0.0028 Tc 10.918 Tw [(an)9.3(d }\))]TJ 12.2541 0 TD 0 Tc 0 Tw (1)Tj -3.6835 0 TD (,)Tj -3.1177 0 TD 0.0041 Tc (\({)Tj 7.0092 0 0 7.0092 239.2791 200.9207 Tm 0 Tc (2)Tj /F7 1 Tf 9.9689 0 0 9.9689 332.7591 203.4407 Tm ()Tj -1.6732 0 TD ()Tj -2.8408 0 TD ()Tj -4.1288 0 TD ()Tj /F5 1 Tf 10.0134 0 0 10.0134 323.6391 203.4407 Tm (m)Tj -1.5819 0 TD (B)Tj -1.2463 0 TD (m)Tj -1.5339 0 TD (A)Tj -2.5765 0 TD -0.0041 Tc (Test)Tj -1.8335 0 TD 0 Tc (r)Tj /F2 1 Tf 9.9689 0 0 9.9689 353.0391 203.4407 Tm 0.0028 Tc (. )Tj -28.8538 -1.7093 TD 0.0031 Tc -0.0003 Tw [( If)11.1( )]TJ 7.0092 0 0 7.0092 97.0791 183.4007 Tm 0 Tc 0 Tw (1)Tj /F5 1 Tf 12.0281 0 0 12.0281 93.9591 186.4007 Tm (r)Tj /F2 1 Tf 9.9689 0 0 9.9689 102.1191 186.4007 Tm 0.0014 Tc [(an)7.9(d)]TJ 7.0092 0 0 7.0092 122.1591 183.4007 Tm 0 Tc (2)Tj /F5 1 Tf 12.0281 0 0 12.0281 118.3191 186.4007 Tm (r)Tj /F2 1 Tf 9.9689 0 0 9.9689 127.5591 186.4007 Tm 0.0016 Tc 0.0012 Tw [( are both)8.1( au)8.1(th)8.1(en)8.1(tic, th)8.1(en)8.1( \(A)13.4(, B)-5.5(\))-2.4( is)5.4( a pair an)8.1(d ex)8.1(it Stag)8.1(e 1. )]TJ -6.2354 -1.7093 TD 0.0031 Tc -0.0003 Tw [( If)11.1( )]TJ 7.0092 0 0 7.0092 97.0791 166.3607 Tm 0 Tc 0 Tw (1)Tj /F5 1 Tf 12.0281 0 0 12.0281 93.9591 169.3607 Tm (r)Tj /F2 1 Tf 9.9689 0 0 9.9689 102.1191 169.3607 Tm 0.0004 Tc 0.0024 Tw [( is in)6.9(au)6.9(th)6.9(en)6.9(tic an)6.9(d)-5.2( )]TJ 7.0092 0 0 7.0092 182.8791 166.3607 Tm 0 Tc 0 Tw (2)Tj /F5 1 Tf 12.0281 0 0 12.0281 179.0391 169.3607 Tm (r)Tj /F2 1 Tf 9.9689 0 0 9.9689 188.2791 169.3607 Tm 0.0015 Tc 0.0013 Tw [( is)5.3( au)8(th)8(en)8(tic, loop Step 3.1 u)8(n)8(til th)8(e f)9.5(i)2.6(rs)5.3(t pair is)5.3( f)9.5(o)-4.1(u)8(n)8(d)-4.1( or all DC)6.4(T)-13.4( v)8(a)0.1(lu)8(es)5.3( are tes)5.3(t)2.6(ed. )]TJ -9.4614 -1.5047 TD 0.0049 Tc 0 Tw (3.1.)Tj /F9 1 Tf 9.96 0 0 9.96 109.0791 154.3607 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 117.4791 154.3607 Tm 0.0016 Tc 0.0132 Tw [(For each)8.1( u)8.1(n)8.1(t)2.7(es)5.4(ted qu)8.1(an)8.1(tized DC)6.5(T)-13.3( )-12.1(coef)9.6(f)9.6(i)2.7(cien)8.1(t )-12.1(C)6.5(,)-1.2( )-12.1(if)9.6( )-12916.2(}\))]TJ 32.9345 0 TD 0 Tc 0 Tw (1)Tj -2.0945 0 TD (,)Tj -0.4093 0 TD (1)Tj -3.7436 0 TD (,)Tj -0.4093 0 TD (1)Tj -4.0446 0 TD 0.0041 Tc (\({)Tj /F7 1 Tf 10.0272 0 TD 0 Tc ()Tj -2.4797 0 TD ()Tj -1.7093 0 TD ()Tj -2.4677 0 TD ()Tj -1.7214 0 TD ()Tj /F5 1 Tf 10.0134 0 0 10.0134 429.7191 154.3607 Tm (C)Tj -2.4687 0 TD (m)Tj -1.6058 0 TD (B)Tj -2.5526 0 TD (m)Tj -1.5699 0 TD (A)Tj -2.5885 0 TD -0.0041 Tc (Test)Tj /F2 1 Tf 9.9689 0 0 9.9689 459.4791 154.3607 Tm 0.0004 Tc 0.0265 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Sen)8.2(d)-3.9( th)8.2(e m)21.3(odif)9.7(i)2.8(ed im)21.3(ag)8.2(e to an)8.2( oracle an)8.2(d obs)5.5(erv)8.2(e)0.3( th)8.2(e )]TJ T* 0.0006 Tc 0.0022 Tw [(o)-5(u)7.1(tp)-5(u)7.1(t)1.7(. I)-3.4(f)8.6( th)7.1(e o)-5(u)7.1(tp)-5(u)7.1(t)1.7( is au)7.1(th)7.1(en)7.1(tic, th)7.1(en)7.1( \()-3.4(E)-2.3(, F\))-3.4( is a p)-5(a)-0.8(ir)-3.4(. )]TJ /F4 1 Tf 9.96 0 0 9.96 65.3991 494.6807 Tm 0 Tc 0 Tw ( )Tj ET 59.759 646.241 0.48 -0.48 re f 60.239 646.241 474.96 -0.48 re f 535.199 646.241 0.48 -0.48 re f 59.759 645.761 0.48 -153.24 re f 59.759 492.521 0.48 -0.48 re f 59.759 492.521 0.48 -0.48 re f 60.239 492.521 474.96 -0.48 re f 535.199 645.761 0.48 -153.24 re f 535.199 492.521 0.48 -0.48 re f 535.199 492.521 0.48 -0.48 re f BT /F2 1 Tf 9.9689 0 0 9.9689 54.4791 482.6807 Tm ( )Tj 1.3602 -1.2399 TD 0.0022 Tc 0.0367 Tw [(In)8.7( both)8.7( s)6(t)3.3(ag)8.7(es)6(, a s)6(earch)8.7( f)10.2(o)-3.4(r th)8.7(e m)21.8(a)0.8(x)8.7(i)3.3(m)21.8(u)8.7(m)21.8( am)21.8(ou)8.7(n)8.7(t)3.3( )]TJ /F5 1 Tf 10.0134 0 0 10.0134 269.7591 470.3207 Tm -0.003 Tc 0 Tw (m )Tj /F2 1 Tf 9.9689 0 0 9.9689 279.8391 470.3207 Tm 0 Tc (\()Tj /F5 1 Tf 10.0134 0 0 10.0134 283.1991 470.3207 Tm (m)Tj /F7 1 Tf 12 0 0 12 292.0791 470.3207 Tm ()Tj /F2 1 Tf 9.9689 0 0 9.9689 300.3591 470.3207 Tm -0.0009 Tc 0.0518 Tw [(0)-6.5(\))-5( th)5.6(at can)5.6( b)-6.5(e)-2.3( m)18.7(o)-6.5(d)-6.5(i)0.2(f)7.1(i)0.2(ed)-6.5( w)22.9(ith)5.6(o)-6.5(u)5.6(t tr)-4.9(ig)5.6(g)5.6(e)-2.3(r)-5(i)0.2(n)5.6(g)5.6( th)5.6(e SA)10.9(RI)-4.9( sy)17.6(stem)18.7( )]TJ -24.6648 -1.1797 TD 0.0017 Tc 0.0733 Tw [(is)5.5( )12(n)8.2(eeded. )12(T)-13.2(h)8.2(is)5.5( )12(can)8.2( )12(be )12(ef)9.7(f)9.7(i)2.8(cien)8.2(tly)20.2( don)8.2(e w)25.5(ith)8.2( a bin)8.2(a)0.3(ry)20.2( s)5.5(earch)8.2(. For ex)8.2(am)21.3(ple, f)9.7(o)-3.9(r Step 2 in)8.2( th)8.2(e s)5.5(econ)8.2(d)-3.9( s)5.5(t)2.8(ag)8.2(e, th)8.2(e f)9.7(o)-3.9(llow)25.5(i)2.8(n)8.2(g)8.2( )]TJ T* 0.0022 Tc 0.0006 Tw [(bin)8.7(a)0.8(ry)20.7( s)6(earch)8.7( can)8.7( be u)8.7(s)6(ed: )]TJ 1.3602 -1.1797 TD 0 Tc 0 Tw ( )Tj 0.1806 -1.3 TD 0.0056 Tc (1.)Tj /F9 1 Tf 9.96 0 0 9.96 77.3991 422.0807 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 86.0391 422.0807 Tm -0.0091 Tc 2.6361 Tw [(Le)-10.5(t)-8( 0)]TJ /F7 1 Tf 3.3825 0 TD 0 Tc 0 Tw ()Tj /F5 1 Tf 7.0092 0 0 7.0092 111.9591 419.6807 Tm (p)Tj 10.0134 0 0 10.0134 103.5591 422.0807 Tm (m)Tj /F2 1 Tf 9.9689 0 0 9.9689 134.7591 422.0807 Tm 0.0033 Tc -0.0005 Tw [(, an)9.8(d )]TJ /F5 1 Tf 7.0092 0 0 7.0092 166.7991 419.5607 Tm 0 Tc 0 Tw (f)Tj 10.0134 0 0 10.0134 158.5191 422.0807 Tm (m)Tj /F2 1 Tf 9.9689 0 0 9.9689 172.6791 422.0807 Tm 0.0007 Tc 0.0021 Tw [(= MA)12.5(XI)-3.3(NT)-14.2(+1)-4.9(, w)24.5(h)7.2(er)-3.3(e MA)12.5(XI)-3.3(NT)-14.2( is th)7.2(e m)20.3(a)-0.7(x)7.2(i)1.8(m)20.3(u)7.2(m)20.3( in)7.2(teg)7.2(e)-0.7(r)-3.4( th)7.2(at can)7.2( b)-4.9(e)-0.7( ad)-4.9(d)-4.9(e)-0.7(d)-4.9( to)-4.9( th)7.2(e DCT)-14.3( )]TJ -8.691 -1.6371 TD 0.0022 Tc 0.0006 Tw [(coef)10.2(f)10.2(i)3.3(cien)8.7(t E u)8.7(n)8.7(d)-3.4(er dis)6(c)0.8(u)8.7(s)6(s)6(i)3.3(on)8.7(. )]TJ -1.6251 -1.2519 TD 0.0056 Tc 0 Tw (2.)Tj /F9 1 Tf 9.96 0 0 9.96 77.3991 393.2807 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 86.0391 393.2807 Tm -0.0003 Tc 4.782 Tw [(w)23.5(h)6.2(ile 1)]TJ /F7 1 Tf 6.5845 0 TD 0 Tc 0 Tw ()Tj -2.3834 0 TD ()Tj /F5 1 Tf 7.0092 0 0 7.0092 144.8391 390.8807 Tm (f)Tj -3.4754 0 TD (p)Tj 10.0134 0 0 10.0134 136.0791 393.2807 Tm (m)Tj -2.3848 0 TD (m)Tj /F2 1 Tf 9.9689 0 0 9.9689 164.3991 393.2807 Tm 0.0015 Tc ({ )Tj -6.5002 -1.7093 TD -0.0091 Tc [(Le)-10.5(t)-8( )]TJ ET q 132.359 371.321 3.72 15 re W n BT /TT3 1 Tf 9.8368 0 0 15.1289 132.3591 374.5607 Tm 0 Tc (%)Tj ET Q q 189.719 371.321 3.72 15 re W n BT /TT3 1 Tf 9.8368 0 0 15.1289 189.7191 374.5607 Tm 0 Tc (&)Tj ET Q BT 9.9689 0 0 9.9689 184.4391 376.2407 Tm 0 Tc (2)Tj -0.4574 0 TD (/)Tj -0.4815 0 TD (\))Tj -4.0205 0 TD (\()Tj /F5 1 Tf 7.0092 0 0 7.0092 170.1591 373.8407 Tm (f)Tj -3.3385 0 TD (p)Tj 10.0134 0 0 10.0134 161.3991 376.2407 Tm (m)Tj -2.2889 0 TD (m)Tj -2.1451 0 TD (e)Tj /F7 1 Tf 9.9689 0 0 9.9689 153.7191 376.2407 Tm ()Tj -2.9733 0 TD ()Tj /F2 1 Tf 7.0419 0 TD 0.0023 Tc 0.0005 Tw [(, w)26.1(h)8.8(ere )]TJ /TT3 1 Tf 9.8176 0 0 12.3436 227.9991 374.4407 Tm 0.4963 Tc 0 Tw (%&)Tj /F5 1 Tf 10.0134 0 0 10.0134 231.7191 376.2407 Tm 0 Tc (x)Tj /F2 1 Tf 9.9689 0 0 9.9689 241.9191 376.2407 Tm -0.0054 Tc 0.0082 Tw [( r)-9.4(o)-11(und)-11(s )]TJ /F5 1 Tf 10.0134 0 0 10.0134 276.3591 376.2407 Tm 0 Tc 0 Tw (x)Tj /F2 1 Tf 9.9689 0 0 9.9689 283.0791 376.2407 Tm 0.0045 Tc -0.0017 Tw [( t)5.6(o)-1.1(w)28.3(a)3.1(rds)8.3( 0. A)16.3(dd )]TJ ET q 350.999 373.841 4.44 9.36 re W n BT /F5 1 Tf 10.0134 0 0 10.0134 350.9991 376.2407 Tm 0 Tc 0 Tw (e)Tj ET Q BT 9.9689 0 0 9.9689 357.3591 376.2407 Tm 0.0019 Tc 0.0009 Tw [( to E, s)5.7(e)0.5(n)8.4(d)-3.7( th)8.4(e m)21.5(odif)9.9(i)3(ed im)21.5(ag)8.4(e to an)8.4( )]TJ -25.8565 -1.6371 TD 0.0028 Tc 0 Tw [(oracle an)9.3(d obs)6.6(erv)9.3(e)1.4( th)9.3(e ou)9.3(tpu)9.3(t)3.9(. )]TJ 0 -1.2519 TD 0.0003 Tc 0.0025 Tw [(I)-3.7(f)8.3( th)6.8(e o)-5.3(u)6.8(tp)-5.3(u)6.8(t)1.4( is au)6.8(th)6.8(en)6.8(tic, th)6.8(en)6.8( set )]TJ /F5 1 Tf 10.0134 0 0 10.0134 260.6391 347.4407 Tm 0 Tc 0 Tw (e)Tj -2.3848 0 TD (m)Tj 7.0092 0 0 7.0092 245.0391 345.0407 Tm (p)Tj /F7 1 Tf 9.9689 0 0 9.9689 252.5991 347.4407 Tm ()Tj /F2 1 Tf 1.4325 0 TD -0.0009 Tc 0.0037 Tw [(; o)-6.5(t)0.2(h)5.6(e)-2.3(r)-4.9(w)22.9(ise set )]TJ /F5 1 Tf 10.0134 0 0 10.0134 352.7991 347.4407 Tm 0 Tc 0 Tw (e)Tj -2.4208 0 TD (m)Tj 7.0092 0 0 7.0092 337.3191 345.0407 Tm (f)Tj /F7 1 Tf 9.9689 0 0 9.9689 344.8791 347.4407 Tm ()Tj /F2 1 Tf 1.4926 0 TD 0.0028 Tc (. )Tj -27.4575 -1.6371 TD 0.0015 Tc (} )Tj -1.8056 -1.2519 TD 0.0056 Tc (3.)Tj /F9 1 Tf 9.96 0 0 9.96 75.5991 318.6407 Tm 0 Tc ( )Tj /F5 1 Tf 7.0092 0 0 7.0092 96.1191 316.2407 Tm (p)Tj 10.0134 0 0 10.0134 87.8391 318.6407 Tm (m)Tj /F2 1 Tf 9.9689 0 0 9.9689 101.9991 318.6407 Tm 0.0002 Tc 0.0026 Tw [(is th)6.7(e m)19.8(a)-1.2(x)6.7(i)1.3(m)19.8(u)6.7(m)19.8( am)19.8(o)-5.4(u)6.7(n)6.7(t)1.3( to)-5.4( b)-5.4(e)-1.2( sear)-3.8(ch)6.7(ed)-5.4( f)8.2(o)-5.4(r)-3.9(,)-2.6( w)24(h)6.7(ich)6.7( can)6.7( b)-5.4(e)-1.2( ad)-5.4(d)-5.4(e)-1.2(d)-5.4( to)-5.4( E w)24(ith)6.7(o)-5.4(u)6.7(t tr)-3.9(ig)6.7(g)6.7(e)-1.2(r)-3.9(i)1.3(n)6.7(g)6.7( th)6.7(e SA)12(RI)-3.8( sy)18.7(stem)19.8(. )]TJ ET 64.199 432.641 0.48 -0.48 re f 64.199 432.641 0.48 -0.48 re f 64.679 432.641 466.08 -0.48 re f 530.759 432.641 0.48 -0.48 re f 530.759 432.641 0.48 -0.48 re f 64.199 432.161 0.48 -120.48 re f 64.199 311.681 0.48 -0.48 re f 64.199 311.681 0.48 -0.48 re f 64.679 311.681 466.08 -0.48 re f 530.759 432.161 0.48 -120.48 re f 530.759 311.681 0.48 -0.48 re f 530.759 311.681 0.48 -0.48 re f BT 9.9689 0 0 9.9689 68.0391 301.8407 Tm 0 Tc 0 Tw ( )Tj 0 -1.1797 TD 0.0015 Tc 0.0735 Tw [(It )12(is)5.3( )12(pos)5.3(s)5.3(i)2.6(ble )12(th)8(at )12(MA)13.3(XINT)-13.4( )12(is)5.3( )12(too )12(s)5.3(m)21.1(all )12(th)8(at )12(th)8(e abov)8(e bin)8(a)0.1(ry)20( s)5.3(earch)8( does)5.3( n)8(o)-4.1(t g)8(i)2.6(v)8(e)0.1( th)8(e m)21.1(a)0.1(x)8(i)2.6(m)21.1(u)8(m)21.1( am)21.1(ou)8(n)8(t)2.6( w)25.3(e)0.1( s)5.3(earch)8( )]TJ -1.3602 -1.1797 TD 0.0018 Tc 0.0371 Tw [(f)9.8(o)-3.8(r. )12(For )12(ex)8.3(am)21.4(ple, )12(w)25.6(h)8.3(en)8.3( MA)13.6(XINT)-13.1( is)5.6( added to E an)8.3(d th)8.3(e ou)8.3(tpu)8.3(t)2.9( of)9.8( th)8.3(e oracle is)5.6( au)8.3(th)8.3(en)8.3(tic. In)8.3( th)8.3(is)5.6( cas)5.6(e, w)25.6(e)0.4( can)8.3( rev)8.3(e)0.4(rs)5.6(e th)8.3(e )]TJ T* 0.0003 Tc 0.0867 Tw [(d)-5.3(i)1.4(r)-3.7(ectio)-5.3(n)6.8(,)-2.5( )12(i.e., )12(ch)6.8(an)6.8(g)6.8(e)-1.1( )12(ad)-5.3(d)-5.3(itio)-5.3(n)6.8( to)-5.3( su)6.8(b)-5.3(t)1.4(r)-3.7(actio)-5.3(n)6.8( an)6.8(d)-5.3( v)6.8(i)1.4(ce v)6.8(e)-1.1(r)-3.7(s)4.1(a, an)6.8(d)-5.3( sear)-3.7(ch)6.8( ag)6.8(ain)6.8(.)-2.5( I)-3.7(f)8.3( th)6.8(e m)19.9(a)-1.1(x)6.8(i)1.4(m)19.9(u)6.8(m)19.9( am)19.9(o)-5.3(u)6.8(n)6.8(t)1.4( still can)6.8( n)6.8(o)-5.3(t b)-5.3(e)-1.1( )]TJ T* 0.0016 Tc 0.0132 Tw [(f)9.6(o)-4(u)8.1(n)8.1(d)-4(, f)9.6(r)-2.4(equ)8.1(e)0.2(n)8.1(c)0.2(y)20.1( bin)8.1(s)5.4( n)8.1(o)-4(t u)8.1(s)5.4(ed in)8.1( g)8.1(e)0.2(n)8.1(e)0.2(ratin)8.1(g)8.1( th)8.1(e s)5.4(i)2.7(g)8.1(n)8.1(a)0.2(tu)8.1(re can)8.1( be m)21.2(odif)9.6(i)2.7(ed to )-12.1(en)8.1(larg)8.1(e )-12.1(th)8.1(e )-12.1(s)5.4(earch)8.1( )-12.1(ran)8.1(g)8.1(e)0.2( )-12.1(f)9.6(o)-4(r )-12.1(th)8.1(e )-12.1(coef)9.6(f)9.6(i)2.7(cien)8.1(t. )]TJ T* 0 Tc 0.0028 Tw [(A)11.8(n)6.5(o)-5.6(t)1.1(h)6.5(e)-1.4(r)-4( so)-5.6(lu)6.5(tio)-5.6(n)6.5( is to)-5.6( ch)6.5(o)-5.6(o)-5.6(s)3.8(e an)6.5(o)-5.6(t)1.1(h)6.5(e)-1.4(r)-4( DCT)-14.9( co)-5.6(ef)8(f)8(i)1.1(cien)6.5(t to)-5.6( co)-5.6(n)6.5(tin)6.5(u)6.5(e)-1.4( th)6.5(e test. T)-14.9(h)6.5(e sam)19.6(e)-1.4( m)19.6(e)-1.4(th)6.5(o)-5.6(d)-5.6( can)6.5( b)-5.6(e)-1.4( ap)-5.6(p)-5.6(lied)-5.6( in)6.5( o)-5.6(t)1.1(h)6.5(e)-1.4(r)-4( step)-5.6(s )]TJ T* 0.0001 Tc [(in)6.6( b)-5.5(o)-5.5(t)1.2(h)6.6( stag)6.6(es 1)-5.5( an)6.6(d)-5.5( 2)-5.5( w)23.9(h)6.6(en)6.6( th)6.6(is situ)6.6(atio)-5.5(n)6.6( o)-5.5(ccu)6.6(r)-3.9(s)3.9(. )]TJ 1.3602 -1.1797 TD 0.002 Tc 0.0369 Tw [(W)-5(h)8.5(en)8.5( )12(a )12(pair )12(of)10( )12(DC)6.9(T)-12.9( )12(coef)10(f)10(i)3.1(cien)8.5(ts)5.8( )12(is)5.8( f)10(o)-3.6(u)8.5(n)8.5(d)-3.6( in)8.5( th)8.5(e abov)8.5(e procedu)8.5(r)-2.1(e, on)8.5(e bou)8.5(n)8.5(d)-3.6( of)10( th)8.5(e dif)10(f)10(e)0.6(ren)8.5(ce of)10( th)8.5(e tw)25.8(o coef)10(f)10(i)3.1(cien)8.5(ts)5.8( )]TJ -1.3602 -1.1797 TD 0.0015 Tc 0.0735 Tw [(w)25.3(ith)8(ou)8(t )12(trig)8(g)8(e)0.1(rin)8(g)8( )12(th)8(e )12(SA)13.3(R)6.4(I)-2.5( )12(s)5.3(y)20(s)5.3(t)2.6(em)21.1( )12(is)5.3( )12(als)5.3(o)-4.1( )12(g)8(i)2.6(v)8(e)0.1(n)8(.)-1.3( )12(If)9.5( th)8(e oth)8(e)0.1(r bou)8(n)8(d)-4.1( is)5.3( n)8(eeded in)8( produ)8(cin)8(g)8( a f)9.5(r)-2.6(au)8(du)8(len)8(t)2.6( im)21.1(ag)8(e, w)25.3(e)0.1( can)8( )]TJ T* 0.0022 Tc 0.0006 Tw [(rev)8.7(e)0.8(rs)6(e th)8.7(e direction)8.7( an)8.7(d u)8.7(s)6(e th)8.7(e bin)8.7(a)0.8(ry)20.7( s)6(earch)8.7( des)6(c)0.8(ribed abov)8.7(e to ef)10.2(f)10.2(i)3.3(cien)8.7(tly)20.7( f)10.2(i)3.3(n)8.7(d)-3.4( th)8.7(e oth)8.7(e)0.8(r bou)8.7(n)8.7(d)-3.4(. )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 54.4791 172.3607 Tm 0.0053 Tc (3.2.)Tj /F6 1 Tf 1.5181 0 TD 0 Tc ( )Tj /F4 1 Tf 0.2892 0 TD -0.0024 Tc [(Disc)-4.2(ussio)-8.4(n)-0.6(s )]TJ /F2 1 Tf 9.9689 0 0 9.9689 54.4791 160.8407 Tm -0.0058 Tc 0.0688 Tw [(I)-9.8(n)0.7( t)-4.7(h)0.7(i)-4.7(s)-2( sub)-11.4(s)-2(e)-7.2(c)-7.2(t)-4.7(i)-4.7(o)-11.4(n,)-8.6( w)18(e)-7.2( sha)-7.2(l)-4.7(l)-4.7( fi)-4.7(r)-9.8(s)-2(t)-4.7( e)-7.2(s)-2(t)-4.7(i)-4.7(m)13.8(a)-7.2(t)-4.7(e)-7.2( r)-9.9(o)-11.4(ughl)-4.7(y)12.7( t)-4.7(h)0.7(e)-7.2( num)13.8(b)-11.4(e)-7.2(r)-9.8( o)-11.4(f)2.2( o)-11.4(r)-9.8(a)-7.2(c)-7.2(l)-4.7(e)-7.2( t)-4.7(e)-7.2(st)-4.7(s ne)-7.2(e)-7.2(d)-11.4(e)-7.2(d)-11.4( t)-4.7(o)-11.4( fi)-4.7(nd)-11.4( a)-7.2(l)-4.7(l)-4.7( t)-4.7(h)0.7(e)-7.2( )-12(se)-7.2(c)-7.2(r)-9.9(e)-7.2(t)-4.7( )-12(p)-11.4(a)-7.2(i)-4.7(r)-9.8(s,)-8.6( )-12(a)-7.2(n)0.7(d)-11.4( )-12(t)-4.7(h)0.7(e)-7.2(n)0.7( )]TJ 0 -1.1797 TD 0.0034 Tc 0.0475 Tw [(com)23(p)-2.2(are )12(w)27.2(i)4.5(t)4.5(h)9.9( )12(t)4.5(h)9.9(e )12(act)4.5(u)9.9(a)2(l)4.5( )12(n)9.9(u)9.9(m)23(ber of)11.4( oracl)4.5(e t)4.5(e)2(s)7.2(t)4.5(s)7.2( f)11.4(r)-0.6(om)23( ou)9.9(r ex)9.9(peri)4.5(m)23(e)2(n)9.9(t)4.5(s)7.2(.)0.6( T)-11.5(w)27.2(o part)4.5(s)7.2( of)11.4( oracl)4.5(e t)4.5(e)2(s)7.2(t)4.5(s)7.2( are u)9.9(s)7.2(ed i)4.5(n)9.9( t)4.5(h)9.9(e propos)7.2(ed )]TJ ET endstream endobj 17 0 obj << /Type /Page /Parent 28 0 R /Resources 18 0 R /Contents 19 0 R /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 >> endobj 18 0 obj << /ProcSet [ /PDF /Text ] /Font << /F2 36 0 R /F4 34 0 R /F5 35 0 R /F6 41 0 R /F7 43 0 R /F9 23 0 R >> /ExtGState << /GS1 59 0 R >> >> endobj 19 0 obj << /Length 20844 >> stream BT /F2 1 Tf 12 0 0 12 54.4791 794.6807 Tm 0 g /GS1 gs 0 Tc 0 Tw ( )Tj 0 -62.99 TD ( )Tj 9.9689 0 0 9.9689 54.4791 760.6007 Tm 0.0013 Tc 0.0256 Tw [(oracle )12.1(attack)7.8(. )12.1( )12.1(T)-13.6(h)7.8(e )12.1(f)9.3(i)2.4(rs)5.1(t )12.1(on)7.8(e is)5.1( to f)9.3(i)2.4(n)7.8(d)-4.3( th)7.8(e m)20.9(a)-0.1(x)7.8(i)2.4(m)20.9(u)7.8(m)20.9( am)20.9(ou)7.8(n)7.8(t)2.4( th)7.8(at can)7.8( be ch)7.8(an)7.8(g)7.8(e)-0.1(d w)25.1(ith)7.8(ou)7.8(t trig)7.8(g)7.8(e)-0.1(rin)7.8(g)7.8( th)7.8(e SA)13.1(R)6.2(I)-2.7( s)5.1(y)19.8(s)5.1(t)2.4(em)20.9(. T)-13.6(h)7.8(e )]TJ 0 -1.1797 TD -0.0004 Tc 0.1476 Tw [(seco)-6(n)6.1(d)-6( is to)-6( f)7.6(i)0.7(n)6.1(d)-6( a p)-6(r)-4.4(o)-6(p)-6(e)-1.8(r)-4.4( p)-6(a)-1.8(ir)-4.4(. W)-7.4(e)-1.8( sh)6.1(all ig)6.1(n)6.1(o)-6(r)-4.4(e)-1.8( th)6.1(e p)-6(r)-4.4(o)-6(b)-6(l)0.7(em)19.2( o)-6(f)7.6( o)-6(u)6.1(t-)7.6(o)-6(f)7.6(-)7.6(r)-4.4(an)6.1(g)6.1(e)-1.8( p)-6(i)0.7(x)6.1(e)-1.8(l v)6.1(a)-1.8(lu)6.1(es in)6.1( th)6.1(e sp)-6(atial d)-6(o)-6(m)19.2(ain)6.1( af)7.6(ter)-4.5( )]TJ T* -0.0005 Tc 0.0274 Tw [(m)19.1(o)-6.1(d)-6.1(i)0.6(f)7.5(i)0.6(catio)-6.1(n)6( )12.1(in)6( )12.1(th)6(e )12.1(DCT)-15.4( )12.1(d)-6.1(o)-6.1(m)19.1(ain)6( )12.1(in)6( )12.1(estim)19.1(atin)6(g)6( )12.1(th)6(e )12.1(n)6(u)6(m)19.1(b)-6.1(e)-1.9(r)-4.6( )12.1(o)-6.1(f)7.5( o)-6.1(r)-4.5(acle tests r)-4.5(e)-1.9(q)-6.1(u)6(ir)-4.6(ed)-6.1( in)6( f)7.5(i)0.6(n)6(d)-6.1(in)6(g)6( th)6(e secr)-4.6(et p)-6.1(a)-1.9(ir)-4.5(s. I)-4.5(f)7.5( w)23.3(e)-1.9( ig)6(n)6(o)-6.1(r)-4.5(e)-1.9( )]TJ 0 -1.2399 TD 0.1477 Tw [(th)6(e )-12.1(sm)19.1(all )-12.1(n)6(u)6(m)19.1(b)-6.1(e)-1.9(r)-4.5( )-12.1(o)-6.1(f)7.5( )-12.1(o)-6.1(r)-4.5(acle )-12.1(tests )-12.1(in)6( )-12.1(th)6(e )-12.1(f)7.5(i)0.6(r)-4.5(s)3.3(t p)-6.1(a)-1.9(r)-4.5(t)0.6( in)6( Stag)6(e 1)-6.1(,)-3.3( th)6(e n)6(u)6(m)19.1(b)-6.1(e)-1.9(r)-4.5( o)-6.1(f)7.5( o)-6.1(r)-4.6(acle test in)6( th)6(is stag)6(e is ab)-6.1(o)-6.1(u)6(t )-1492.7(2)]TJ 46.6572 0 TD 0 Tc 0 Tw (/)Tj /F5 1 Tf 10.0134 0 0 10.0134 510.239 724.7207 Tm (N)Tj /F2 1 Tf 9.9689 0 0 9.9689 530.999 724.7207 Tm 0.0056 Tc [(on)12.1( )]TJ -47.8008 -1.2399 TD 0.002 Tc 0.1332 Tw [(av)8.5(erag)8.5(e, w)25.8(h)8.5(ere )]TJ /F5 1 Tf 10.0134 0 0 10.0134 120.7191 712.3607 Tm 0 Tc 0 Tw (N)Tj /F2 1 Tf 9.9689 0 0 9.9689 130.4391 712.3607 Tm 0.0017 Tc 0.1335 Tw [( )132.4(is)5.5( th)8.2(e n)8.2(u)8.2(m)21.3(ber of)9.7( DC)6.6(T)-13.2( block)8.2(s)5.5( in)8.2( th)8.2(e im)21.3(ag)8.2(e. In)8.2( Stag)8.2(e 2, th)8.2(e )-12(n)8.2(u)8.2(m)21.3(ber )-12(of)9.7( )-12(oracle )-12(tes)5.5(t)2.8(s)5.5( )-12(f)9.7(o)-3.9(r )-12(each)8.2( )-12(DC)6.6(T)-13.3( )]TJ -7.6197 -1.3 TD 0.0015 Tc 0.1337 Tw [(coef)9.5(f)9.5(i)2.6(cien)8(t E in)8( Step 2 is)5.3( abou)8(t )-6030.8(\))]TJ 15.42 0 TD 0 Tc 0 Tw (\()Tj -1.8658 0 TD -0.0011 Tc [(lo)-6.7(g)]TJ 7.0092 0 0 7.0092 203.2791 696.8807 Tm 0 Tc (2)Tj /F5 1 Tf 10.0134 0 0 10.0134 212.0391 699.4007 Tm 0.001 Tc [(M)7.1(AXIN)8.9(T)]TJ /F2 1 Tf 9.9689 0 0 9.9689 254.8791 699.4007 Tm 0.0023 Tc 0.1329 Tw [(, w)26.1(h)8.8(ere )]TJ /F5 1 Tf 10.0134 0 0 10.0134 289.1991 699.4007 Tm 0.001 Tc 0 Tw [(M)7.1(AXIN)8.9(T)]TJ /F2 1 Tf 9.9689 0 0 9.9689 325.1991 699.4007 Tm -0.0005 Tc 0.1477 Tw [( )12(is )12(th)6(e )12(m)19.1(a)-1.9(x)6(i)0.6(m)19.1(u)6(m)19.1( allo)-6.1(w)23.3(e)-1.9(d)-6.1( m)19.1(o)-6.1(d)-6.1(i)0.6(f)7.5(i)0.6(catio)-6.1(n)6( f)7.5(o)-6.1(r)-4.6( th)6(e DCT)-15.5( )]TJ -27.1565 -1.5047 TD -0.0007 Tc 0.0757 Tw [(v)5.8(a)-2.1(lu)5.8(e u)5.8(n)5.8(d)-6.3(er)-4.7( d)-6.3(i)0.4(scu)5.8(ssio)-6.3(n)5.8(. T)-15.6(h)5.8(e n)5.8(u)5.8(m)18.9(b)-6.3(e)-2.1(r)-4.7( o)-6.3(f)7.3( o)-6.3(r)-4.7(acle test to)-6.3( f)7.3(i)0.4(n)5.8(d)-6.3( its p)-6.3(a)-2.1(ir)-4.7( in)5.8( th)5.8(e r)-4.7(e)-2.1(st step)-6.3(s is )-1793.6(2)]TJ 35.9439 0 TD 0 Tc 0 Tw (/)Tj /F5 1 Tf 10.0134 0 0 10.0134 401.0391 684.4007 Tm (N)Tj /F7 1 Tf 9.9689 0 0 9.9689 409.0791 685.0007 Tm ( )Tj /F2 1 Tf 1.5769 -0.0602 TD 0.0025 Tc 0.0725 Tw [( )72.2(on)9( av)9(erag)9(e, w)26.3(h)9(ere )]TJ /F5 1 Tf 10.0134 0 0 10.0134 506.1591 684.4007 Tm 0 Tc 0 Tw (N)Tj /F7 1 Tf 9.9689 0 0 9.9689 514.199 685.0007 Tm ( )Tj /F2 1 Tf 0.4695 -0.0602 TD -0.0007 Tc 0.0878 Tw [(is th)5.8(e )]TJ -46.585 -1.2399 TD -0.0062 Tc 0.5025 Tw [(num)13.4(b)-11.8(e)-7.6(r)-10.2( )-12.1(o)-11.8(f)1.8( )-12.1(unt)-5.1(e)-7.6(s)-2.4(t)-5.1(e)-7.6(d)-11.8( )-12.1(D)-6.4(C)-1.3(T)-21.1( )-12.1(c)-7.6(o)-11.8(e)-7.6(ffi)-5.1(c)-7.6(i)-5.1(e)-7.6(n)0.3(t)-5.1(s)-2.4(.)-9( )-12.1(T)-21.1(h)0.3(e)-7.6(r)-10.2(e)-7.6(f)1.8(o)-11.8(r)-10.3(e)-7.6( )-12.1(t)-5.1(h)0.3(e)-7.6( t)-5.1(o)-11.8(t)-5.1(a)-7.6(l)-5.1( num)13.4(b)-11.8(e)-7.6(r)-10.3( o)-11.8(f)1.8( o)-11.8(r)-10.3(a)-7.6(c)-7.6(l)-5.1(e)-7.6( t)-5.1(e)-7.6(st)-5.1(s i)-5.1(s)-2.4( e)-7.6(s)-2.4(t)-5.1(i)-5.1(m)13.4(a)-7.6(t)-5.1(e)-7.6(d)-11.8( r)-10.2(o)-11.8(ughl)-5.1(y)12.3( a)-7.6(s)-2.4( )]TJ ET 0 G 1 J 1 j 0.495 w 10 M []0 d 1 i 56.519 653.081 m 71.879 653.081 l 82.199 653.081 m 91.919 653.081 l 132.239 660.161 m 169.079 660.161 l S BT 9.9689 0 0 9.9689 169.5591 650.5607 Tm 0.004 Tc 0 Tw (\)\))Tj -4.1168 0 TD 0 Tc (\()Tj -1.8658 0 TD -0.0011 Tc [(lo)-6.7(g)]TJ -1.3963 0 TD 0 Tc (1)Tj -0.2528 0 TD (\()Tj -0.8787 -0.7824 TD (2)Tj -2.3112 0 TD (8)Tj 7.0092 0 0 7.0092 123.5991 648.1606 Tm (2)Tj -8.1664 1.9004 TD (2)Tj /F5 1 Tf 10.0134 0 0 10.0134 132.2391 650.5607 Tm 0.001 Tc [(M)7.1(AXIN)8.9(T)]TJ -4.8655 0.6351 TD 0 Tc (N)Tj -2.5646 0 TD (N)Tj /F7 1 Tf 9.9689 0 0 9.9689 102.2391 650.5607 Tm ()Tj -2.8047 0 TD ()Tj /F2 1 Tf 10.4485 0 TD 0.0023 Tc 0.0366 Tw [(, w)26.1(h)8.8(ere )]TJ ET 212.519 660.041 m 249.359 660.041 l S BT /F5 1 Tf 10.0134 0 0 10.0134 212.5191 650.5607 Tm 0.001 Tc 0 Tw [(M)7.1(AXIN)8.9(T)]TJ /F2 1 Tf 9.9689 0 0 9.9689 251.5191 650.5607 Tm 0.0015 Tc 0.0494 Tw [(is)5.3( th)8(e av)8(erag)8(e of)9.5( th)8(e m)21.1(a)0.1(x)8(i)2.6(m)21.1(u)8(m)21.1( am)21.1(ou)8(n)8(t)2.6(s)5.3( f)9.5(o)-4.1(r each)8( s)5.3(e)0.1(lected coef)9.5(f)9.5(i)2.6(cien)8(t E. )]TJ -19.7655 -1.9982 TD 0.0045 Tc 0.0705 Tw [(F)6.8(o)-1.1(r an)11( i)5.6(m)24.1(ag)11(e of)12.5( 128 by)23( 128 )-12(pi)5.6(x)11(e)3.1(l)5.6(s)8.3(,)-10326.4(256)]TJ 23.4129 0 TD 0 Tc 0 Tw (\))Tj -0.4815 0 TD (8)Tj -0.4213 0 TD (/)Tj -1.6371 0 TD 0.0056 Tc (128)Tj -0.2528 0 TD 0 Tc (\()Tj -1.2037 0 TD (\))Tj -0.4815 0 TD (8)Tj -0.4213 0 TD (/)Tj -1.6371 0 TD 0.0056 Tc (128)Tj -0.2528 0 TD 0 Tc (\()Tj /F7 1 Tf 7.403 0 TD ()Tj -4.1288 0 TD ()Tj -4.0807 0 TD ()Tj /F5 1 Tf 10.0134 0 0 10.0134 201.5991 630.6407 Tm (N)Tj /F2 1 Tf 9.9689 0 0 9.9689 319.3191 630.6407 Tm 0.0028 Tc (. )Tj /F5 1 Tf 10.0134 0 0 10.0134 325.1991 630.6407 Tm 0.001 Tc [(M)7.1(AXIN)8.9(T)5.7( )]TJ /F2 1 Tf 9.9689 0 0 9.9689 364.5591 630.6407 Tm -0.0003 Tc 0.0873 Tw [(is th)6.2(e m)19.3(a)-1.7(x)6.2(i)0.8(m)19.3(u)6.2(m)19.3( v)6.2(a)-1.7(lu)6.2(e af)7.7(ter)-4.3( q)-5.9(u)6.2(an)6.2(tizatio)-5.9(n)6.2( so)-5.9( )]TJ -31.1048 -1.4445 TD 0.0033 Tc 0.0476 Tw [(t)4.4(h)9.8(e s)7.1(econ)9.8(d)-2.3( t)4.4(e)1.9(rm)22.9( i)4.4(s)7.1( m)22.9(u)9.8(ch)9.8( s)7.1(m)22.9(al)4.4(l)4.4(e)1.9(r t)4.4(h)9.8(an)9.8( t)4.4(h)9.8(e f)11.3(i)4.4(rs)7.1(t)4.4( t)4.4(e)1.9(rm)22.9( f)11.3(o)-2.3(r 128 by)21.8( )-12.1(128 )-12.1(pi)4.4(x)9.8(e)1.9(l)4.4( )-12.1(or )-12.1(l)4.4(a)1.9(rg)9.8(er )-12.1(i)4.4(m)22.9(ag)9.8(es)7.1(, )-12.1(an)9.8(d )-12.1(t)4.4(h)9.8(eref)11.3(ore )-12.1(can)9.8( )-12.1(be )-12.1(i)4.4(g)9.8(n)9.8(o)-2.3(red. )]TJ 0 -2.1547 TD -0.0057 Tc 0.0205 Tw [(W)-12.7(e)-7.1( c)-7.1(o)-11.3(nc)-7.1(l)-4.6(u)0.8(d)-11.3(e)-7.1( t)-4.6(h)0.8(e)-7.1( num)13.9(b)-11.3(e)-7.1(r)-9.7( o)-11.3(f)2.3( o)-11.3(r)-9.7(a)-7.1(c)-7.1(l)-4.6(e)-7.1( t)-4.6(e)-7.1(st)-4.6(s t)-4.6(o)-11.3( fi)-4.6(nd)-11.3( a)-7.1(l)-4.6(l)-4.6( t)-4.6(h)0.8(e)-7.1( se)-7.1(c)-7.1(r)-9.7(e)-7.1(t)-4.6( )-12.1(p)-11.3(a)-7.1(i)-4.6(r)-9.7(s )-12.1(i)-4.6(s)-1.9( )-12.1(r)-9.7(o)-11.3(ughl)-4.6(y)12.8( )-12.1(a)-7.1(b)-11.3(o)-11.3(u)0.8(t)]TJ ET 387.359 597.281 m 402.599 597.281 l S q 392.519 584.801 5.04 11.04 re W n BT 9.9689 0 0 9.9689 392.5191 586.9607 Tm 0 Tc 0 Tw (8)Tj ET Q BT 7.0092 0 0 7.0092 397.0791 605.6807 Tm 0 Tc 0 Tw (2)Tj /F5 1 Tf 10.0134 0 0 10.0134 388.6791 601.1207 Tm (N)Tj /F2 1 Tf 9.9689 0 0 9.9689 405.3591 594.7607 Tm 0.0043 Tc 0.0226 Tw [(, w)28.1(h)10.8(i)5.4(c)2.9(h)10.8( i)5.4(s)8.1( 8192 f)12.3(o)-1.3(r i)5.4(m)23.9(ag)10.8(es)8.1( of)12.3( 128 )]TJ -35.1975 -1.938 TD 0.0048 Tc -0.002 Tw [(by)23.3( 128 pi)5.9(x)11.3(e)3.4(l)5.9(s)8.6(. )]TJ 1.3602 -1.1797 TD 0.0035 Tc 0.0956 Tw [(We )12.1(h)10(a)2.1(v)10(e)2.1( )12.1(i)4.6(m)23.1(pl)4.6(em)23.1(en)10(t)4.6(e)2.1(d )12.1(t)4.6(h)10(e )12.1(propos)7.3(ed oracl)4.6(e at)4.6(t)4.6(ack)10(, an)10(d t)4.6(e)2.1(s)7.3(t)4.6(ed on)10( t)4.6(w)27.3(o g)10(r)-0.5(ay)22(s)7.3(cal)4.6(e i)4.6(m)23.1(ag)10(es)7.3( L)12.6(e)2.1(n)10(a)2.1( an)10(d Wom)23.1(a)2.1(n)10( of)11.5( 128 by)22( )]TJ -1.3602 -1.1797 TD 0.0033 Tc 0.0115 Tw [(128 )12(pi)4.4(x)9.8(e)1.9(l)4.4(s)7.1( )12(w)27.1(i)4.4(t)4.4(h)9.8( )12(di)4.4(f)11.3(f)11.3(e)1.9(ren)9.8(t)4.4( )12(k)9.8(e)1.9(y)21.8(s)7.1(. )12(T)-11.6(h)9.8(e )12(act)4.4(u)9.8(a)1.9(l)4.4( )12(n)9.8(u)9.8(m)22.9(bers)7.1( of)11.3( oracl)4.4(e t)4.4(e)1.9(s)7.1(t)4.4(s)7.1( are report)4.4(e)1.9(d i)4.4(n)9.8( T)-11.6(a)1.9(bl)4.4(e 1. F)5.6(r)-0.7(om)22.9( t)4.4(h)9.8(i)4.4(s)7.1( t)4.4(a)1.9(bl)4.4(e, w)27.1(e)1.9( can)9.8( s)7.1(ee t)4.4(h)9.8(at)4.4( )]TJ T* 0.002 Tc 0.0008 Tw [(th)8.5(e actu)8.5(a)0.6(l n)8.5(u)8.5(m)21.6(bers)5.8( of)10( oracle tes)5.8(t)3.1(s)5.8( f)10(r)-2(om)21.6( th)8.5(e ex)8.5(perim)21.6(e)0.6(n)8.5(t)3.1(s)5.8( are clos)5.8(e to ou)8.5(r abov)8.5(e es)5.8(tim)21.6(ated v)8.5(a)0.6(lu)8.5(e. )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 92.2791 510.0407 Tm 0.0033 Tc -0.0003 Tw [(T)7.7(a)-2.7(b)5.1(l)4.2(e 1: Nu)5.1(m)29.1(b)5.1(er of oracle tes)6.8(t)-1(s)6.8( for 128 b)5.1(y)-2.7( 128 p)5.1(i)4.2(x)9.3(e)1.5(l im)29.1(ages)6.8( w)-9.6(i)4.2(th)5.1( d)5.1(i)4.2(fferen)5.1(t m)29.1(a)-2.7(p)5.1(p)5.1(i)4.2(n)5.1(g)-2.7( fu)5.1(n)5.1(c)1.5(tion)5.1(s)6.8( )]TJ /F5 1 Tf 7.0092 0 0 7.0092 499.1991 507.5207 Tm 0 Tc 0 Tw (i)Tj 10.0134 0 0 10.0134 491.0391 510.0407 Tm (W)Tj /F4 1 Tf 9.96 0 0 9.96 503.0391 510.0407 Tm ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 124.1991 489.1607 Tm ( )Tj 7.0092 0 0 7.0092 209.2791 486.0407 Tm (1)Tj /F5 1 Tf 10.0134 0 0 10.0134 201.7191 488.5607 Tm (W)Tj /F2 1 Tf 9.9689 0 0 9.9689 214.6791 488.5607 Tm ( )Tj 7.0092 0 0 7.0092 292.7991 486.0407 Tm (2)Tj /F5 1 Tf 10.0134 0 0 10.0134 284.399 488.5607 Tm (W)Tj /F2 1 Tf 9.9689 0 0 9.9689 298.4391 488.5607 Tm ( )Tj 7.0092 0 0 7.0092 380.399 486.0407 Tm (3)Tj /F5 1 Tf 10.0134 0 0 10.0134 372.2391 488.5607 Tm (W)Tj /F2 1 Tf 9.9689 0 0 9.9689 386.2791 488.5607 Tm ( )Tj 7.0092 0 0 7.0092 470.7591 486.0407 Tm (4)Tj /F5 1 Tf 10.0134 0 0 10.0134 462.3591 488.5607 Tm (W)Tj /F2 1 Tf 9.9689 0 0 9.9689 476.399 488.5607 Tm ( )Tj ET 79.919 499.001 0.48 -0.48 re f 79.919 499.001 0.48 -0.48 re f 80.399 499.001 87.72 -0.48 re f 168.119 499.001 0.48 -0.48 re f 168.599 499.001 78.24 -0.48 re f 246.839 499.001 0.48 -0.48 re f 247.319 499.001 87.36 -0.48 re f 334.679 499.001 0.48 -0.48 re f 335.159 499.001 87.24 -0.48 re f 422.399 499.001 0.48 -0.48 re f 422.879 499.001 92.16 -0.48 re f 515.039 499.001 0.48 -0.48 re f 515.039 499.001 0.48 -0.48 re f 79.919 498.521 0.48 -15 re f 168.119 498.521 0.48 -15 re f 246.839 498.521 0.48 -15 re f 334.679 498.521 0.48 -15 re f 422.399 498.521 0.48 -15 re f 515.039 498.521 0.48 -15 re f BT 9.9689 0 0 9.9689 114.3591 473.6807 Tm 0.0056 Tc 6.1122 Tw [(L)14.7(e)4.2(n)12.1(a)4.2( 8432 )36.1(8503 )-421.3(7995 )-650(9256 )]TJ ET 79.919 483.521 0.48 -0.48 re f 80.399 483.521 87.72 -0.48 re f 168.119 483.521 0.48 -0.48 re f 168.599 483.521 78.24 -0.48 re f 246.839 483.521 0.48 -0.48 re f 247.319 483.521 87.36 -0.48 re f 334.679 483.521 0.48 -0.48 re f 335.159 483.521 87.24 -0.48 re f 422.399 483.521 0.48 -0.48 re f 422.879 483.521 92.16 -0.48 re f 515.039 483.521 0.48 -0.48 re f 79.919 483.041 0.48 -11.76 re f 168.119 483.041 0.48 -11.76 re f 246.839 483.041 0.48 -11.76 re f 334.679 483.041 0.48 -11.76 re f 422.399 483.041 0.48 -11.76 re f 515.039 483.041 0.48 -11.76 re f BT 9.9689 0 0 9.9689 108.4791 461.4407 Tm 0.0057 Tc 5.5343 Tw [(Wom)25.3(a)4.3(n)12.2( 8514 )-541.7(8467 )-999.1(8527 )-1227.8(8779 )]TJ ET 79.919 471.281 0.48 -0.48 re f 80.399 471.281 87.72 -0.48 re f 168.119 471.281 0.48 -0.48 re f 168.599 471.281 78.24 -0.48 re f 246.839 471.281 0.48 -0.48 re f 247.319 471.281 87.36 -0.48 re f 334.679 471.281 0.48 -0.48 re f 335.159 471.281 87.24 -0.48 re f 422.399 471.281 0.48 -0.48 re f 422.879 471.281 92.16 -0.48 re f 515.039 471.281 0.48 -0.48 re f 79.919 470.801 0.48 -11.76 re f 79.919 459.041 0.48 -0.48 re f 79.919 459.041 0.48 -0.48 re f 80.399 459.041 87.72 -0.48 re f 168.119 470.801 0.48 -11.76 re f 168.119 459.041 0.48 -0.48 re f 168.599 459.041 78.24 -0.48 re f 246.839 470.801 0.48 -11.76 re f 246.839 459.041 0.48 -0.48 re f 247.319 459.041 87.36 -0.48 re f 334.679 470.801 0.48 -11.76 re f 334.679 459.041 0.48 -0.48 re f 335.159 459.041 87.24 -0.48 re f 422.399 470.801 0.48 -11.76 re f 422.399 459.041 0.48 -0.48 re f 422.879 459.041 92.16 -0.48 re f 515.039 470.801 0.48 -11.76 re f 515.039 459.041 0.48 -0.48 re f 515.039 459.041 0.48 -0.48 re f BT 9.9689 0 0 9.9689 68.6391 449.2007 Tm 0 Tc 0 Tw ( )Tj /F4 1 Tf 9.96 0 0 9.96 54.4791 437.3207 Tm ( )Tj 0 -1.1687 TD 0.0053 Tc (3.3.)Tj /F6 1 Tf 1.5181 0 TD 0 Tc ( )Tj /F4 1 Tf 0.2892 0 TD -0.0001 Tc 0.0031 Tw [(A So)-6.1(lutio)-6.1(n)1.7( )]TJ /F2 1 Tf 9.9689 0 0 9.9689 54.4791 414.1607 Tm 0.0021 Tc 0.1692 Tw [(Ueh)8.6(a)0.7(ra )-12(an)8.6(d )-12(S)4.4(a)0.7(f)10.1(a)0.7(v)8.6(i)3.2(-)10.1(N)1.9(ain)8.6(i)3.2( )-12.1([9] propos)5.9(ed a s)5.9(o)-3.5(lu)8.6(tion)8.6( to th)8.6(e oracle attack)8.6( by)20.6( m)21.7(a)0.7(k)8.6(i)3.2(n)8.6(g)8.6( each)8.6( pair h)8.6(a)0.7(s)5.9( ex)8.6(actly)20.6( on)8.6(e block)8.6( in)8.6( )]TJ 0 -1.1797 TD 0.003 Tc 0.0359 Tw [(com)22.6(m)22.6(o)-2.6(n)9.5( )12(w)26.8(i)4.1(t)4.1(h)9.5( )12(on)9.5(e m)22.6(o)-2.6(re pai)4.1(r)-1(. T)-11.9(h)9.5(i)4.1(s)6.8( w)26.8(o)-2.6(u)9.5(l)4.1(d i)4.1(n)9.5(creas)6.8(e t)4.1(h)9.5(e s)6.8(i)4.1(g)9.5(n)9.5(a)1.6(t)4.1(u)9.5(re s)6.8(i)4.1(ze. H)2.8(e)1.6(re w)26.8(e)1.6( propos)6.8(e an)9.5( al)4.1(t)4.1(e)1.6(rn)9.5(at)4.1(i)4.1(v)9.5(e s)6.8(o)-2.6(l)4.1(u)9.5(t)4.1(i)4.1(o)-2.6(n)9.5( w)26.8(h)9.5(i)4.1(c)1.6(h)9.5( does)6.8( )]TJ 0 -1.3362 TD -0.0001 Tc 0.027 Tw [(n)6.4(o)-5.7(t in)6.4(cr)-4.1(ease th)6.4(e size o)-5.7(f)7.9( th)6.4(e sig)6.4(n)6.4(a)-1.5(tu)6.4(r)-4.1(e)-1.5(. W)-7.1(e)-1.5( u)6.4(s)3.7(e tw)23.7(o)-5.7( in)6.4(d)-5.7(e)-1.5(p)-5.7(e)-1.5(n)6.4(d)-5.7(en)6.4(t m)19.5(a)-1.5(p)-5.7(p)-5.7(i)1(n)6.4(g)6.4( f)7.9(u)6.4(n)6.4(c)-1.5(tio)-5.7(n)6.4(s)3.7( )]TJ 5.985 0 0 5.985 393.4791 386.4407 Tm 0 Tc 0 Tw (1)Tj /F5 1 Tf 10.4676 0 0 10.4676 385.3191 389.0807 Tm (W)Tj /F2 1 Tf 9.9689 0 0 9.9689 398.399 389.0807 Tm 0.0034 Tc -0.0006 Tw [( an)9.9(d )]TJ 5.985 0 0 5.985 427.5591 386.4407 Tm 0 Tc 0 Tw (2)Tj /F5 1 Tf 10.4676 0 0 10.4676 418.6791 389.0807 Tm (W)Tj /F2 1 Tf 9.9689 0 0 9.9689 432.8391 389.0807 Tm -0.0005 Tc 0.0274 Tw [( )24.1(to)-6.1( g)6(e)-1.9(n)6(e)-1.9(r)-4.5(a)-1.9(te tw)23.3(o)-6.1( sets )-12(o)-6.1(f)7.5( )-12(th)6(e )]TJ -37.9541 -1.4445 TD 0.0012 Tc 0.0377 Tw [(f)9.2(eatu)7.7(r)-2.8(e )12(codes)5( )12(of)9.2( )12(th)7.7(e )12(s)5(a)-0.2(m)20.8(e)-0.2( )12(s)5(i)2.3(ze, )12(in)7.7( )12(ex)7.7(actly)19.7( )12(th)7.7(e )12(s)5(a)-0.2(m)20.8(e)-0.2( w)25(a)-0.2(y)19.7( as)5( th)7.7(e SA)13(R)6.1(I)-2.9( s)5(y)19.7(s)5(t)2.3(em)20.8(. T)-13.7(h)7.7(es)5(e tw)25(o f)9.2(eatu)7.7(r)-2.9(e codes)5( are th)7.7(en)7.7( XOR)6.1( each)7.7( )]TJ 0 -1.1797 TD 0.0011 Tc [(oth)7.6(e)-0.3(r, an)7.6(d th)7.6(e res)4.9(u)7.6(lt play)19.6(s)4.9( ex)7.6(actly)19.6( th)7.6(e s)4.9(a)-0.3(m)20.7(e)-0.3( role as)4.9( th)7.6(e f)9.1(eatu)7.6(r)-2.9(e codes)4.9( )-12(in)7.6( )-12(SA)12.9(R)6(I)-2.9( )-12(s)4.9(y)19.6(s)4.9(t)2.2(em)20.7(. )-12(T)-13.8(h)7.6(is)4.9( )-12(f)9.1(i)2.2(x)7.6( )-12(ach)7.6(iev)7.6(e)-0.3(s)4.9( )-12(th)7.6(e )-12(s)4.9(i)2.2(m)20.7(ilar )-12(ef)9.1(f)9.1(ect )]TJ T* 0.0031 Tc -0.0003 Tw [(as)6.9( t)4.2(h)9.6(e f)11.1(i)4.2(x)9.6( propos)6.9(ed i)4.2(n)9.6( [9] w)26.9(i)4.2(t)4.2(h)9.6(ou)9.6(t)4.2( i)4.2(n)9.6(creas)6.9(i)4.2(n)9.6(g)9.6( t)4.2(h)9.6(e f)11.1(eat)4.2(u)9.6(r)-1(e code s)6.9(i)4.2(ze. It)4.2( al)4.2(s)6.9(o)-2.5( m)22.7(a)1.7(k)9.6(e)1.7(s)6.9( t)4.2(h)9.6(e at)4.2(t)4.2(ack)9.6( propos)6.9(ed i)4.2(n)9.6( [7][8] i)4.2(n)9.6(ef)11.1(f)11.1(ect)4.2(i)4.2(v)9.6(e. )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 11.04 0 0 11.04 251.7591 326.4407 Tm -0.0029 Tc 0.0029 Tw [(4. CO)-7.5(NCLUSI)-5.2(O)-7.5(NS )]TJ 9.96 0 0 9.96 297.7191 314.5607 Tm 0 Tc 0 Tw ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 54.4791 303.0407 Tm 0.003 Tc 0.1563 Tw [(We )-12(h)9.5(a)1.6(v)9.5(e)1.6( propos)6.8(ed t)4.1(w)26.8(o n)9.5(e)1.6(w)26.8( at)4.1(t)4.1(ack)9.5(s)6.8( t)4.1(o)-2.6( t)4.1(h)9.5(e S)5.3(A)14.8(R)7.9(I)-1( s)6.8(y)21.5(s)6.8(t)4.1(em)22.6(. T)-11.9(h)9.5(e f)11(i)4.1(rs)6.8(t)4.1( at)4.1(t)4.1(ack)9.5( i)4.1(s)6.8( a h)9.5(i)4.1(s)6.8(t)4.1(og)9.5(ram)22.6( at)4.1(t)4.1(ack)9.5( w)26.8(h)9.5(i)4.1(c)1.6(h)9.5( m)22.6(odi)4.1(f)11(i)4.1(es)6.8( D)2.8(C)7.9(T)-12( )]TJ T* 0.0012 Tc 0.1099 Tw [(coef)9.2(f)9.2(i)2.3(cien)7.7(ts)5( )12(y)19.7(e)-0.2(t )12(m)20.8(a)-0.2(in)7.7(tain)7.7(s)5( )12(th)7.7(e )12(s)5(a)-0.2(m)20.8(e)-0.2( )12(relation)7.7(s)5(h)7.7(i)2.3(p )12(betw)25(een)7.7( )12(an)7.7(y)19.7( )12(tw)25(o DC)6.1(T)-13.7( coef)9.2(f)9.2(i)2.3(cien)7.7(ts)5( an)7.7(d th)7.7(e s)5(a)-0.2(m)20.8(e)-0.2( m)20.8(ean)7.7( v)7.7(a)-0.2(lu)7.7(es)5( of)9.2( DC)6.1(T)-13.8( )]TJ T* 0.0028 Tc 0.1324 Tw [(coef)10.8(f)10.8(i)3.9(ci)3.9(en)9.3(t)3.9(s)6.6(. T)-12.1(h)9.3(e at)3.9(t)3.9(ack)9.3( appl)3.9(i)3.9(e)1.4(s)6.6( w)26.6(h)9.3(en)9.3( n)9.3(o)-2.8(n)9.3(-)10.8(zero t)3.9(h)9.3(res)6.6(h)9.3(ol)3.9(ds)6.6( are n)9.3(o)-2.8(t)3.9( )-12(u)9.3(s)6.6(ed )-12(i)3.9(n)9.3( )-12(i)3.9(m)22.4(ag)9.3(e )-12(au)9.3(t)3.9(h)9.3(en)9.3(t)3.9(i)3.9(cat)3.9(i)3.9(o)-2.8(n)9.3(.)0( )-12(T)-12.1(h)9.3(e )-12(s)6.6(econ)9.3(d)-2.8( )-12(propos)6.6(ed )]TJ T* 0.0011 Tc 0.0137 Tw [(attack)7.6( is)4.9( an)7.6( oracle attack)7.6( w)24.9(h)7.6(ich)7.6( u)7.6(s)4.9(es)4.9( an)7.6( oracle to f)9.1(i)2.2(n)7.6(d)-4.5( th)7.6(e s)4.9(ecret )-12.1(pairs)4.9( )-12.1(u)7.6(s)4.9(ed )-12.1(by)19.6( )-12.1(SA)12.9(R)6(I)-2.9( )-12.1(in)7.6( )-12.1(g)7.6(e)-0.3(n)7.6(e)-0.3(ratin)7.6(g)7.6( )-12.1(th)7.6(e )-12.1(dig)7.6(ital )-12.1(s)4.9(i)2.2(g)7.6(n)7.6(a)-0.3(tu)7.6(re )-12.1(f)9.1(o)-4.5(r )]TJ T* 0.0031 Tc -0.0003 Tw [(an)9.6( i)4.2(m)22.7(ag)9.6(e. F)5.4(i)4.2(x)9.6(e)1.7(s)6.9( t)4.2(o)-2.5( t)4.2(h)9.6(w)26.9(a)1.7(rt)4.2( bot)4.2(h)9.6( at)4.2(t)4.2(ack)9.6(s)6.9( are al)4.2(s)6.9(o)-2.5( propos)6.9(ed i)4.2(n)9.6( t)4.2(h)9.6(i)4.2(s)6.9( paper. )]TJ T* 0 Tc 0 Tw ( )Tj /F4 1 Tf 11.04 0 0 11.04 260.7591 231.2807 Tm -0.0037 Tc [(REF)-12.3(E)0.3(RENCES )]TJ /F2 1 Tf 9.9689 0 0 9.9689 54.4791 219.5207 Tm 0 Tc ( )Tj T* 0.0048 Tc ([1])Tj /F9 1 Tf 9.96 0 0 9.96 66.2391 207.7607 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 72.4791 207.7607 Tm -0.0064 Tc 0.0333 Tw [(B)-13.5(.)-9.2( B)-13.5(.)-9.2( Zhu,)-9.2( M)-8.2(.)-9.2( D)-6.6(.)-9.2( Sw)17.4(a)-7.8(n)0.1(so)-12(n,)-9.2( a)-7.8(n)0.1(d)-12( A)5.4(.)-9.2( H)-6.6(.)-9.2( )-12(T)-21.3(e)-7.8(w)17.4(f)1.6(i)-5.3(k)0.1(,)-9.2( )-12(W)-13.4(he)-7.8(n )-12(Se)-7.8(e)-7.8(i)-5.3(ng )-12(I)-10.4(s)-2.6(n't)-5.3( )-12(B)-13.5(e)-7.8(l)-5.3(i)-5.3(e)-7.8(vi)-5.3(ng,)-9.2()-7.8( )-12(t)-5.3(o)-12( )-12(a)-7.8(p)-12(p)-12(e)-7.8(a)-7.8(r)-10.4( )-12(i)-5.3(n)0.1( )]TJ /F5 1 Tf 10.0134 0 0 10.0134 440.8791 207.7607 Tm 0.0012 Tc 0.0364 Tw [(IEEE Signal Pr)6.7(oces)6.7(s)6.7(i)3.6(ng)]TJ /F2 1 Tf 9.9689 0 0 9.9689 538.439 207.7607 Tm 0.0028 Tc 0 Tw (, )Tj -46.7415 -1.1797 TD 0.0038 Tc -0.001 Tw [(March)10.3( 2004. )]TJ -1.8056 -1.1797 TD 0.0048 Tc 0 Tw ([2])Tj /F9 1 Tf 9.96 0 0 9.96 66.2391 184.2407 Tm 0 Tc ( )Tj /F2 1 Tf 9.9689 0 0 9.9689 72.4791 184.2407 Tm 0.0002 Tc 0.0748 Tw [(B)-6.9(.)-2.6( )12(B)-6.9(.)-2.6( )12(Z)9.3(h)6.7(u)6.7( )12(an)6.7(d)-5.4( )12(M. D. Sw)24(an)6.7(so)-5.4(n)6.7(,)-2.6( )10.9(M)-1.6(u)6.7(ltim)19.8(ed)-5.4(ia A)12(u)6.7(th)6.7(en)6.7(ticatio)-5.4(n)6.7( an)6.7(d)-5.4( W)-6.8(a)-1.2(ter)-3.8(m)19.8(ar)-3.8(k)6.7(i)1.3(n)6.7(g)6.7(,)-2.6( )]TJ /F5 1 Tf 10.0134 0 0 10.0134 403.9191 184.2407 Tm -0.0021 Tc 0.0757 Tw [(Mu)-5.4(ltimed)-5.4(ia)-5.4( In)-5.4(fo)-5.4(rma)-5.4(tio)-5.4(n)-5.4( Retrieva)-5.4(l )]TJ -33.0996 -1.1744 TD 0.0029 Tc 0.0707 Tw [(and M)9(anagem)5.9(e)3.5(nt)]TJ /F2 1 Tf 9.9689 0 0 9.9689 143.1591 172.4807 Tm 0.0035 Tc 0.0715 Tw [(, D)3.3(.)0.7( F)5.8(e)2.1(n)10(g)10(,)0.7( W. 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