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16 1* 1( *,+*(,2 / (3 ( /.. *(,(, O3,13 1* 6-6,* / (3 1 *(6( / (3 6 K.,1 CLJ / (3, *.L * 13 *(,(L9 (3*,(, *,U.L,+*(,2+ KL (3 6 K.,1 CLJ / (3 CL )*(,* 61, PO. *+ (3 * )3 A *L +,S*( 6,K. CL9,( 3.+ K / ( A (3( * (O CL )*(+ O,.. - K (3 A J 3 1( / CL 6, ( *+ ( C6 (3 6,-( CL 1( *+ * *. 1*,A 6*( 39 A,*) (3(,(,,*/,K. / *L* ( 1U, (3 CL (3 )3 1L6(*.L, J * *(,(L 6,*) A.(,6. 6,-( CL S1(,-.L. 3 A.(,6.,+*(,(,9 *+ (3 /+A ( 13 O3A ( 66 O3*,*(1(,*) O,(3 (3 *(,(,J.(3 )3 6 K.,1 CL.(,A (.L + (3,+*(,2,* 0 O3* -,/L,*) (3 Q,(*1 / ( (.(,*3,6 9 A (,A,*+,1(,* A L K +,K.J * 13 * 1.+ K (3 +, ( 3-3(,+*(,2J 33 / 6 K.,1 CL 1* K + *,+*(,2,*(+ / (3 CL,(./J 3 33 / *1(,* 3.+ K 13 (3( 1..,,* + *( 11 O,(3 *L,)*,21*( 6KK,.,(L *+ (3(,(, 1A 6 ((,*..L,*/,K. ( 2*+ *L (O +,(,*1(,*6 ( O3,13 33 ( (3 A (6 (J 3( 3.+ ) *( (3( 33 / 6 K.,1 CL, ( *,U *,+*(,2 (3 6 K.,1 CL,(./J A 9,* ( * 9 1* K + ( 13,- +.L+ K,*+,*),*1+ 1*-D *,*1J * 1* Q6 K.,/ (3( (3 *(,(, O,(3 1(,* *A 3-1(,* 66(L9 -*,/ * *(,(L L( 3 (3 *A J (*+ ( 2*+,(, ( A AK *A (3 (3*.*) 9 A,*).L *+A * AKJ ( 3.+ K *(+ (3(,* 0 9 (3 * *,-. *A O3,13 O.+ / ( (3 A CL,* -L *A 61 3*1,(, *1L ( C*O ( O3,13 CL *A,.(,- (J,(3 + 0 ((A 6( ( */1 (3( (3 K * A (3* * CL 6 *A J A 1* (3/ K (3 )3( ( / ( ) 6 / *(,(,J * / (3 A,* U,A *(,* (3 +,)* / 0 O ( 1( *,*D /( 1( O3,13 O.+ S 66( / A C,*) (3,R(,* +1,,*J 0 1(,21(..O *( *.L *A 9 K (. (3,R(,* ( K K *+ ( CL (3 K 1(J 3 6.,1L. 1* K Q6+ *+ 6A,,* 1* K )*(+,* (3 /A / +,),(. 1(,21( J (3,R(,* +1,,* 1* K 66(+ KL K 1A 6.(.L K+ * ( / 0 1(,21(J A 13*,A (3( 1* K +,* +,-,*) 13 +1,,*, +1,K +,* 1(,* J J ,21(,* +* ( 6-,+.,( / (3,R(,* (3( 1* K,*1. ++,* * 0 1(,21( J 3 +1,,* / O 3,13 (3,R(,* ( 66(,* * 66.,1(,*,./( ( ( O3,13 ++ ( (3,A 6.,1,(L *+ )*.,(L / 0 J..L,(, (3 *(,(L (3(,),*(+ 1(,21( (3( A ( A C +1,,* K+ *,(,( 3.+ K / ( A (3( (3 1( / 1(,21( 1*.,*(6( (3 (3,R(,* *1 ++,*(,( J :

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18 (3 *A ( A CL9 (3, (,.. * OL ( K (3( (3,+*(,2,* (3 1(,21( K.*) ( (3 *(,(L9 A (3* * *(,(L 1* 3- (3 A *A J 3 A 66., / (3,R(,*J * ,*) 1D (,* *A,A 6., K.*),*) (3 ) 6 / *(,(, 3-,*) (3 *A J *L +2*+ (3,R(,* 1* K,)*+ ( *L ) 6 (3 (3 A 66,*) J, -.,+ J O-9 (3 A (3,(L 1* K 6+ KL A (3 *(,(L (3( + *( K.*) ( (3 ) 6 9 *+ (3 A 66,*) > J A ( K 1*,++,*-.,+ J + * (3 K -.(,( 1* K *(,1+ (3( 13 1()L / 0 1(,21( 3 *.L * 6,K. +,1(,* / (3 A 66,*) 9 *+ A 11 ( +1,6(,* / (3 1(), 1* K ),-* "' "'@ I$' I"$,*+ * (3,R(,* ( $ I$' I"$,*+ *A ( CLJ "' $ I$' I"$,*+ * (3,R(,* ( *A J,-* (3 6,K. A 66,*)9 (3 (O +,S*( OL * *(,(L (3,R(,*,*) A,Q( / 0 1(,21( (L6 J 3 (O OL ),-* K.O (3L 3O (3( 13 1()L / 1(,21( 3,(,* A C,*) 11 1*(. +1,,*J 7J key authorization key J M J0JN authorization J key name key name authorization name authorization J M J0JN * ,(,*1(,*, A + K(O* *A 1(,21( *+ (3 (3 (O C,*+ / 0 1(,21( J 3 ( 1( / *A 1(,21(, +,/D /*( /A (3( / (3,R(,* *+ ((,K ( 1(,21( 9 *+, 3(.L +1,K +,* 1(,* JJJ (3,R(,* 1(,21( ( 1(, 6*(+,* 1(,* JJ7 ( (3 Q(*( (3(,.-*( ( (3, (3, ((,K ( 1(,21( 3 (3 A ( 1( J A 1A 6.( 61,21(,* / K(3 1(,21( ( 1( 1* K / *+,* 7 J 0 1(,21( 6*(+,*) DQ6,* J * DQ6,*, +( ( 1( O 3,13 1* K + ( 6*( 1A 6.Q +( J ( 6 1D,21(,* O 2( /,A 6. 4,(,K (+ 1,(L */( 1( M 4 NJ A *( O,*P *1+ KL (3 0 6)A A,*).*) )9,* O3,13 6(,1. /A / DQ6,*, + J 77

19 * 3(9 * DQ6,*,,(3 (,*) 2*,(.,( /.A *(J 3 (,*),* (3 Q6,* 1*,( / 1*1(*(,* / R A 1(( (,*)J 3.,( 3- R A.A *(9 O3,13 1* K,(3 (,*).,(J 3,. (3 DQ6,*.OL ( 1(..L (3 A 9 (3, *1 +,*) A L +,S +6*+,*) * (3, J 1A 61( /A (, T 1,*( O3* *+D,*) +( - *(OC 9 O 3,*(1(,* U, +K. 6D *((,* (3 (O ((,K (.L 1,*1,+ J L6,1..L9 *,*). *1 +,*) 1* K / *+ O 3,13, A ( T 1,*( / -L,A ),*K.,( (,* J (3, * 9 (3 DQ6,* 6 1,21(,* +2* -. +,S*( /A ( / K(3 (,*) *+.,(J +(,. * (3A 9 / ( EJ * + / 131C A A ) +,)( 1.1.(,* (.OL ),- (3 A.( / (3 A Q6,* 9 )+. / +,S*1,* (3 *1+,*) 9 (3 Q6,* *+ ( K (*.(+,*( A 1A A * /A ( J 3 D Q 6,* 6 1,21(,* +2* 13 /A ( 9 *+ 1..,( (3 1**,1. /A (J (, *,U.L +2*+ / 13 DQ6,* 9 *+,*(*++ ( K L ( 6 EJ * (3 1**,1. /A ( (,*) O,((* D,9 Q16( (3( (3L 6D 2Q+ O,(3 (,*) 6*((,* / +1,A. * AK9 /..O+ KL 1.* J 3 * AK (( (3 * AK / 1((,* (3 (,*) 9 Q1. +,*) (3 62Q J.A *(,*.,( O,((* K1C ( K1C 9 O,(3 * 6(J...,( *++ O,(3 6*(3 ( A C,( 6,K. ( (.. O3,13.A *( K.*) ( O3,13.,(J 3 K- Q6,*, * QA 6. / (3 1**,1. /A (J 6 6 / +K,.,(L9 6/ ( O,(,( *(3 * /,*) (3.(( /A (, (3( (3 1**,1. *1+,*) / CL 33, Q(A.L.,C.L ( 1*(,* A *6,*(K. 131( J (3 4 *+ 0 DQ6,* ( 6*( 1(,21(J A 6+ ( (3 +1,6(,* K-9 0,A 6 / (3 U,A *( ( (3 DQD 6,* ( 1( J *L.,(,* * Q6,* A (.OL 3- (,*) (3 2(.A *(J 3 (,*) /(*,+*(,2 (3 (L6 / +( 1*(,*+,* (3.,(J * (3 K- QA ,*+,1( (3 C,*+ / 6A,,* +1,K + KL (3 Q6,* 9,* (3, K,*) (3 6 A,,* ( 1( * 1**1(,* ( (3 ),-* 3( (3 ),-* J 3 A *,*), / (3, / (3 ((A *( ( +1,+9 3O-J DQ6,* A L 1*(,* 1(( O3,13 *( 6,*(K.,* (3 131( ( + A (,A A / (3 1(( A L *( -* K.*) ( (3 131( (J QA 6.9 A ( 0 1(,21( *1++,*) 1**,1. DQ6D,* 1.+ *( K Q6+,*) =DK,( 9 O 3,13 1* K 6K.A 7

20 ,/ 1(,21( *( KL DA,. A *)+ KL +,(,*) (Q( 2.J (3, * (3 0 61,21(,*..O (3 / (3 K 8 *1+,*) 9 +D > 2*+,* 7J 3 K 8D*1++.(, /(* *++ O,(3 K1J > QA /( KD,*) 1*-(+ ( (3 1**,1. /A 9 *1+,*( (,9 3O-9 A T 1,*(,/ (3 1**,1. /A ( 1* K +,1(.L + / K(3 () *+ (*A,,* 9 (3( /A ( *LOL *+ ( K +,* ( (,* J 3 /..O,*) (O 1(,* ),- (3 3,)3D.-. L*(Q / 0 1(,21(9 K ( + *( A *(,*,)*( J.. 0 1(,21( 3-,)*( 9 O3,13..L /..O,)3( /( * / (3 ( 1( +1,K+ K.O J 3,)*( 1*(,* 33 / (3.A *( K,*),)*+ 9 (3,)* 6 K.,1 CL,( 33 9 *+ ( *1L6(+,*) (3,)* 6,-( CLJ!"#$" % & '!"( )$'* * 0 (3,R(,* 1(,21( 1*,( / * K * /A (3 /..O,*) /A ( 61,21(,* J ,-. /0, 1/0, /, 1 /0, 2 /, 2 1 /0, 13/0, 3/,- 1 /0,. /0 + +,- / ( *( O3* A C,*) (3,R(,* +1,,*J 3 2-, / H&&$ 3 *(,(L (3(, + (3 1(,21(9 Q6+ 6 K.,1 CL,( 33 J, 2 / F $I 3 *(,(L (3( (3 1(,21( O, + ( 9 1A A *.L Q6+ 6 K.,1 CL,( 33 J L. K *A 9 13,* / *A,* O3,13 -L *A (3( /..O *(3,.(,- ( (3 (3 *A J / (3 CL3.+,*+,1(,*) (3 *A 61, *( Q6.,1,(.L ),-* 9,(, (C* ( K (3, J (3 6(,* / K 1(,*1. + O3. K 1( MJ) J V N9 * K 1( 33 9 (33.+ / K 1(J L,*) (33.+ K 1( (3, 1* 61,/L *L * AD K / K 1( *+,*,( (3( (.( 1(,* * AK / (3A A ( 16(,* + ( Q1, (3 (3,R(,* ),-*,* (3 1(,21(J, 13/ 5 $$<"'@ 3 6(,*. +.)(,* 2.+ 9,/ 6*(9,)*,2 (3( (3 K 1(, 6 A,((+ ( +.)( (3 6 A,,* 6 1,2+,* (3 1(,21( ( (39 /..L 6(,..LJ 7

21 , 3 / ' "'@ 3 (3,(L ,2 (3 6A,,* )*(+ KL (3 1(,21(J 0 + *( ),- ( /.. (3..O+ 6A,D,*9 66.,1(,* +-.6 / (,*-*( (3, O*J O-9 (3 )A A ),-*,* 0 A ( (,.. K /..O+ O3* +1,+,*) * Q6,* / *O 6A,,*J,- 1 / "'Z'X 3 6(,*. -.,+,(L ,2 (3 6,+ / (,A +,*) O 3,13 (3 K 1( 6 (3 6 A,,* +1,K +,* (3 (3,(L 2.+ J,(3 (3.O K *+ 9 (3 66 K *+ 9 K(3 1* K ),-* 9 6 ( (3 11 1L / 1*+J 3 -.,+,(L 2.+ A L. 1*(,* 9,* ++,(,* ( (3 (,A 6,+.*9 ( / *.,* ((9 O3,13 1* K + ( ( / (3.,A,((,* ( O3* (3 1(,21(, -.,+ J / (3 -.,+,(L 2.+, *( 6*( (..9 (3* (3 1(,21(,.OL -.,+ J ( / O3,13 6(,*.9,*1. +,-. /,* * AK / (3 1(,21( /A (J (,21( 1*(,*,*) * *1)*,R+ -,* * AK ( K,)*+ J, 1/,- +,6.L 3,*( / (3 1(,21(J * (,+,*(/1 /(O,* +1,+,*) 3O ( +,6.L (3 1(,21( J A 6.A *D ( / ( +2* (3, O* 3,*(9 ** 61,2+,* 0 J, 1 / * K + ( 61,/L (3( 6-,+,*/A (,* )+D,*) (3, J, 2 1 / * K + ( 61,/L (3( 6-,+,*/A (,* D )+,*) (3 K 1(J,. /..O 1A A *( ( K,*1. ++,* (3 1(,21(J $ ' & '!"( )$'* 0 *A 1(,21( + ( K,*+ *A ( CL9 (3L *(..L 1*(,* *A 2.+ *+ K 1( 2.+ J *,+*(,2 / (3 *A 61,.,*1. ++ J 3 /A ( / *A 1(,21(, (3 /..O,*) ,-. /0, 1/ ,. 1/,.3/ , 2 /,- 1 /0,. /0 + + *.L (3 (3 1A 6.L 2.+ *+ (3 -.,+,(L 2.+.-*( O 3* A C,*) 11 1*(. +1,,*J 3L +1,K+ K.O J 3 ( / (3 2.+ (3 A / (3,R(,* 1(,21(J 78

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i, s, d, a, v) J 3.A *( 16*+ ( (3 9 K 1( 9 4.)(,* 9 (3,R(,* 9 *+.,+,(L 2.+ / (3 1(,21(9 61(,-.LJ 0 *A 1(,21(,* ( * 1* K A 66+ ( 8D( 6. O3,13 +*( (i, s, n, v) 9 O3 (3.A *( 16*+ ( (3 9 K 1(9 A 9 *+.,+,(L 2.+J / **D 0 1(,21( 1* K (*.(+ ( ( 6. (3L 1*. K,*1. ++,* * *.L,9 *+ 61+,* (3 A A ** 0 1(,21(J /( (3,)*( / 1(,21( 3 K* 131C+ 9 (3 1(,21( *.*) *+ ( K C6(,* (3 1**,1. DQ6,* /A (9 *+ 1* (3 K (*D.(+,*( *(3 /A J / (3 A A L + 1* K ( (+ ( 6(1( (3,*(),(L / (3 +(9 (3,)*( *+ *( K 6-+ J 6. + *( 1*(,*,)*( (3/ 1*-,* /A 1(,21( ( ( 6.,.L 6(,* O3,13 1**( K -+ J 3,),*. 1(,21( A ( *( K (3O* OL,/,*/A (,* 1*(,*+,* (3A, (,.. *++ /( (3 61,*) / (3 ( 6.J D( 6. *+ 8D( 6...L *( C6(,* A () ),-* ( *(,(, (3 (3* (3 * (3( 1(+ (3A 9 (3, * /A ( +2*+ / (3A J *L 6*((,* O3,13..O T 1,*( 61,*),* A A L 3.+ K,(K.J A *(,*+ K/9 (3 A,* * / (3 Q,(*1 / 0, ( S 66( / A C,*) (3,R(,* +1,,*J ( (,*) 7

23 +(K 1*(,*,*),*/A (,* K ( ((,K ( *+ ) 6 A AK3,6 / +,S*( *(,(,9 1.+ K +-,+ J O-9 /,A 6.,1,(L.. (,1( AL QA,*(,* / (3 / 0 1(,21( ( (3 / (3,R(,* 1(,21(,* 11 1*(.,( (,* J +1,K +,* 1(,* J79 (3,(L 1* K Q6+ O,(3 *A 1(,21( *+ * ((,K ( 1(,21(,*(+ / * (3,R(,* 1(,21(9 K ( + *( 1- (3( 6(,*,(, (,-,. A (( ( 6.1 *A O,(3 CL,/ (3 11( *A 1(,21(, -,.K.J L,*) (3 +,S*( C,*+ / 0 1(,21( ()(39 ( K ( *L ((A *( Q6,*) ( ( 1* K A +J L6,1..L9,(, *( (3 A C,*) / ((A *( (3(, +,T 1.(9 K ( (3 +1,,* / O3(3 ( A C,( *(J 3* A * C / 11 ( 1 9 (3 *(,(L 1*(..,*) *,+ (3,*/A (,* -,.K. K ( (3 U ( *+ (3,C,*-.-+ J 3 K,)) (3 6(*(,. +A ) 1 + KL A, 9 (3 A.,C.L 3.+ (3 *O * KJ * A 1,(,,A 6. ( A C +1,,* J 66 (3, * 6,K,.,(L / A, 9 *+ 1*(1( (3( (( (3( (3 *+ *.L (3 O3 3-6,+ / -,1 ( K )*(+ 11 (,(J 3*.. (3,*/A (,* U,+ / +1,,*,.,( / *(,(, O3 3-6,+ J * / (3 A K*2( /,*) 0 1(,21(, (3( * 1* /(* + OL O,(3,*) 11 1*(..,( M NJ / -,1 6-,+ +1,+ ( ρ )*( *(,(L (3,)3( ( -,19,( 1*, 1(,21( ((,*) (3( ɛ ɛ 3 (3,)3(J A L *( -* *+ ( ( (3 1(,21( *LO39,/ *+ ρ O3* (3 1(,21( 3 K* ),-* ( J ( 1* K./( (3 6*,K,.,(L ɛ / 1.,*( ( ( (3 1(,21( J *+ *( A A,R O3,( 3 +1,++ ρ ( ( (9 K ( O3,13 A ((9 * / 3O.*),* (3 O+ *+ *( ρ A,*(,* * J ,K.L K -L.,)3(O,)3( *+,+ * ρ +-,1 O,(3 -L.,((. () 619 -*,/,( 3 (3 *+ / 1.,*(J ( 1.,*( + *( 11 (3 *+ / +,S*( -9,(,..L *( )( K +* / (3A ( ( (3 1(,21( (3L *+ ( 11.. (3 - O3 -,1 (3L + J 3 1.,*( (3( *+ ( 3-11 (.) * AK / 1(,21( 1* K C6(.,)3( KL,*) * Q(*. +(KJ 3 A +(K 1.+ 6,K.L - A (3* * 1.,*(9 K ( ( 1. O.. (3 +(K O.+ *+ ( K +,(,K (+ J & '!"( )$' & $ "% * * + ( C6 (3 (C / +,S*( *(,(,,A 6. 9,(, *1L / *(,(, ( +.)( 6*,K,.,(, ( (3J ρ A,)3( O*( (,)* *(3 - (3 6*,K,.,(L /,,*) 6A,,* ( 1.,*(J 3 (3 -,* ( * A L *+ ( / (3 +.)( (3 6A,,* ( - O3,13 3- A,*/A (,* K ( O.+DK 1.,*(J 7 >

24 A 6O *(,(L δ1 ( 1( *,( K3./9 ρ A (, +.)(,* 1(,21( ( δ1 (3 1(,21( 3.+ 1*(,* (.( (3,)3( O3,13 δ1, ( 6 * ( (3J 66 δ1 6 A 6A,,* ( *(,(L ɛ 9 *+ ɛ 3 *( 1,-+ (3 A 6A,,* +,1(.L /A ρ J 3* * 1(,21(, *( * )3 ( 6- (3( ɛ 3 (3 6A,,* J 1(,21( 13,*, U,+ J 13,* / 1(,21( 1*,( / ( / 1(,21( C = {c1, c 2,...,c n } 13 (3( cj = (i j, s j, d j, a j, v j ) 9 2 j n 9 *+ s j 1 = i j ck = (i k, s k, d k, a k, v k ) 9 1 k n 1 9 J M ( (3( 3 A,*) D( 6. ( 6*( d k = true *(, 1(,21( 9 *+ (3( 13 1(,21( A ( K,)*+ KL (3 *(,(L A C+,*( (3, 2.+ JN 1* K + ( 6- (3( 3 K* ),-* C sn (3,R(,* KL / (3 -.,+,(L 6,+ J a1 a 2... a n i1 v1 v 2... v * ++,(,* ( 9 (3 1.+ K (39 +,S*( 13,* (3( 6/ / (3 n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δl c l = (δ l 1, δ l, true, a, v) 9 *+ O*( ( +.)( (3,)3( â a ( J δ l+1 δ.+l C*O K ( 9 K ( O.+.,C ( A,* **LA ( J l 1 3( δl δl δl+1,( 1* +, (, (3 1(,21(,( O.+ +,* cl+1 = (δ l, δ l+1, d, â, v) *L 19 K (,*(+ / *+,*),( ( *+ K(3 *+ ( *+ δl+1 cl cl+1 δl 1 C (, (,21( + 1(,* (,21( M NJ 3.+ (3* δl 1 δl 1 1( (3 1(,21( cr = (δ l 1, δ l+1, d, â, v) O3,13 1* 3- +.,-+ ( δ O,(3 ( -.,*),(,+*(,(LJ l δ l+1 7=

25 / *1L6(,*, 1A A * OL ( A,*(,* 1*2+*(,.,(LJ (,21( 1* K O3..L 6(,..L *1L6(+ M.*) O,(3 A *+A +(N,*) A CL O3,13, *.L C*O* ( 6(, (3( *+ ( C*O (3,*/A (,* (3(, *1L6(+ J 66 * *(,(L 1( (3 1(,21( *+ *1L6(,( ρ c = (ρ, γ, d, a, v) O,(3 (3 CL J (3* *+ (3.( k ρ ek (c) ( γ 9 (..,*),* O3( C,*+ / γ 11 1*(.,( (,*,( 3.+ 6*( ek (c) ( ρ J (, *( *(,. / γ ( C*O Q1(.L O3(, O,((*,* ( K K. ( 6-,( 11,)3( ( 9 c ρ O3 1* -,/L (3 -.,+,(L / (3 6/ KL,*) (3 CL J (3 *(,(L k 1* ),* *L,*/A (,* /A ( KL QA,*,*),( M A,*) (3L + ek (c) *( 6 (3 CL N9 O3,13, 666,(,/ + *(..O +.)(,* *+ k c (3 *.L 1*1* *+ J / +.)(,*,..O+ *+ O*( ( +.)( ρ γ γ,(,)3( ( A (3 *(,(L 9 1* ( 6-,( +.)(,*,)3( ɛ γ ek (c) ( 9 *+ C (, (3 666,( 1(,21( J ρ ρ cɛ γ 1* (3* ),- c O3, K (3 )3( ( K ( J ɛ ɛ 4.)(,* /,)3( ((+,* 6(,..L *1L6(+ 1(,21( 1* K A (,)3(/O+ J / *.L A / (3 2.+ / 1(,21(9 / QA 6. (3 (3,(L *+ -.,+,(L 2.+9 *1L6(+ 9,(, (,.. 6,K. / (3 K 1( / (3 1(,21( ( 1( 1(,21( / +.)(,*) (3,)3(J * K 16,+ ( *O 1(,21( -*,/ (3 *(,(L 16L,*) (3A + *( C*O (3, A *,*) J *.L (3,),*( / 1(,21( 13,* *+ ( K K. ( *+(*+ O3(,)3( 6-* KL (3 13,*,( A L -* 3- +1,++ KL,(./ 3O ( +1,K (3,)3(,*) DQ6,* J 13 +1,6(,* 1.+ 6,K.L K,*1A 63*,K. ( (3 -* O,(3 ( K,*) *1L6(+ J (,. * )3 / (3 -,2 / 13,* ( K K. ( 131C O 3( (3,*(1(,* / (3 13,* 1(,21( -.,+,(L +(, J '!" "%!" * (L6, *(.,( (,* (3, * *(,(L (3( 6-,+ ρ -,1 *+ O,...( *L *(,(L ( O3,13,( 39 +,1(.L,*+,1(.L9, + (3,R(,* (3 -,1 J 6- (3 (3,R(,* (3.-*( â 1(,21( *+ ( K 1U,+ J K,(./9 (3 6-9 ρ A (3,+ 6(LJ O,.. *( (L ( ,K,.,(,J *(+ A (3( + *( C6 (1C / (3 1(,21(,( 3, + *+ (3( (3 U,+ ρ 1(,21(.OL *(.*) O,(3 (3 U (9,* 13 * + O3,13..O L -,21(,* J * A 19 / QA 6. O3* A / ρ 1.,*( **,*) * A ( 1+ O,(3 * () 61 / 1(,21(9 (3 K- U,A *( A L K ( (,1(J -*,/ (3 1.,*( 1* 1U, (3 1(,21( /A +(K A,*D 7

26 (,*+ KL A (3 *(,(L9 (3 1.,*( O.+ (,.. *+ ( 1*(,* * )3.),1 ( 1U, (3 11( 1(,21( /A (3 +(K9 O3,13 A,)3( K 1 *(6+ 1(,-J * 13 1,( O.+ K K(( / (3 -,1 6-,+ ( 1U, (3 U,+ 1(,21(9 O3,13 1* K * ( K 6( / (3 -,1J.. 1- (3 11 1*(.,( (,* (3 )3 * QA 6.J / * *(,(L ɛ O*( ( (3 -,1 6-,++ KL ρ 9,( O,..,)* U ( O,(3,( 6,-( CL *+ *+,( ( ρ J 6* 1,6( ρ 131C (3,)*(,* (3 U (J ( (3* 6 1+ ( 131C (3 1(,21( *( 6 / (,*+,-,+..L9 K ( (3* KL 131C,*),/ (3L /A -.,+ 13,* J.,+,(L / 1(,21( 13,*, 131C+,*) A ( ( D (,* J.O, * QA 6. / + 1(,* / 1(,21( 13,* 1*(,*,*) (3 1(,21( 9 K ( (3 6 1, *(,..L (3 A )+. / (3.*)(3 J / (3,*6 (, -.,+ 13,* / 1(,21( M +2*+,* J J7N9 (3 61 / + 1(,* O, * 1(,21( (3O, (3 61 O,.. /,.J (ρ, δ 1, true, a 1, v 1 ) + (δ 1, δ 2, true, a 2, v 2 ) + (δ 2, ɛ, d, a 3, v 3 ) = (ρ, ɛ, d, a 1 a 2 a 3, v 1 v 2 v 3 ) M J7N / (3 -.,+,(L 6,+ *1A 6 (3 A A *( O3* (3 13,*, 131C+ *+ (3,R(,* a1 a 2 a 3, * )3 ( 11 (3 -,19,JJ a1 a 2 a 3 â 9 (3 13,* 3 K* -,2+ ( 6- (3( ɛ 3 11,)3( ( (3 -,1J - A L ,1L.9 3O-J 61,..L,* (3 1 / +.D )(+ 6A,,*9 (3 - A L *( 116(.. -.,+ 1(,21( 13,*J QA 6.9 ( ,( / *(,(, O3,13,( + *( ( ( *, / 1(,21(9 *+,/ 1(,21( 1*(,* 13 *,,( O,.. *( K 116(+ 9 *+ (3 13,*, KC* J 3 -,2 O,....L 131C (3,*+,D -,+. 1(,21( K/ 6/A,*) ( (,* 9 (3,.,((. 6,*(,* (L,*) ( -,/L *,*1A 6.( 13,* J *.,* 131C 1*,* A 1 K.O 9 3O-9 (3(,(, K( ( *.L 6/A (3A *1 (3 13,* 3 (3O, K* / *+ ( K -.,+ J *1 (3 13,* 3 K* / *+ ( 6- (3 11,)3( / ɛ 9 O3( A,*, ( -,/L (3( (3 *(,(L O,(3 O3A ρ, *)(,(,*) O,(3..L, ɛ J.(3 )3 (3 U ( O,)*+ KL ɛ 9 (3 (,.., (3 6,K,.,(L / 6.L ((1C J (3*(,1(,*,..L +* (3 )3 A C,*+ / 13..*)D6 * 6(1.9,* O3,13 (3 13..*) *+ *+A +( ( (3 (3 6(LJ 3 1,6,*(,( 6,-( CL ( *1L6( (3 +(9 *+ (3* *+ (3 +( K1C ( (3 13..*) O3 1* +1L6(,(,*) (3 1.,*( 6 K.,1 CL *+ -,/L (3( (3 +(, (3 A (3( O,),*..L *( ( (3 1.,*(J / (3*(,1(,* S1(,-.L 1. (3 1(,21( 13,*,*(. 6 O3,13 6- (3( (3 *(,(L U (,*) 11 ( 1 1* K..O+ 7:

27 ( 11,( J 3. 6 / (3 Q A 6. 13,* / 1(,21(, +6,1(+,*,) J7J delegator ( δ delegator 1, δ 2, true, a 2, v2) δ 1 δ 2 (ρ, δ 1, true, a1,v1) ( δ 2, ε, d, a3, v3 ) service provider ρ ε proves possession of private key client ε,) J7.,*( (3,R(,* 1(,21(. 6 J /(* (3 1.,*( O,... O*( ( (3*(,1( (3 -,1 6-,+ *+ -,/L (3(,(, ( (+ ( 6-,+ (3 -,1 (3 1.,*( O*(J 3,, 61,..L,A 6(*(,/ (3 -,1 6-,+ *+ A / (3 1.,*( 1 ( 6D /A (3 -,1J ),* 9.6 / 1(,21(, *++ 6/J (, 3O*,*,) JJ 3 +.)(,*) *(,(, γ1 *+ γ2 3O*,* (3 2) A *(,(, (3( ɛ ( (,*(+ 1J 3L 1.+ -* K O*+ KL ɛ *+ 3- K*,)*+ (3 (C / 1..1(,*) +(9 K+ * O3,13 (3L 1.+ A C +1,,* )+,*) (3 ( (O(3,* / -, -,1 6-,+ J delegator ( γ delegator 1, γ 2, true, a 2, v 2) γ 2 γ 1 (γ 2, ρ, d, a 3,v 3) ( ε,γ 1,true, a 1, v 1) service provider ρ ρ proves possession of private key client ε,) J -,1 6-,+ (3,R(,* 1(,21(. 6 J E

28 *.L *(OC 9.O D.-. 3+O ++ O + (,+*(,/L A D 13,*J *(*(OC,*),*(+ 1+ (3 1*16( / A 66,*) *,-. +D +,*(.O D J (,..9 / 3 A * (3 *,-. ++ K,*) ( A,*).L K,(L * AK O,A 61(,1. *+ +,T 1.( ( A AKJ..-,( (3 6K.A 9 *O *A,*) 1*16( K+ * 3( *A O +6(+ J ( *A..L A *,*)/. *+ 6* *1K. (Q( (,*)J 3, 6 6, ( 1( 3,)3.-.9 *,U,+*(,2 / 3(9,* ++,(,* ( *(*( 0(1. M 0N ++J (,..9 (3 3( *A 9 O3, K (3 )3( / A *A *,1 / ( *( K + O,(3,* (3 0 61C( (3 1(. ++,*),*/A (,* J 3/9 OL ( (*.( (3 3( *A ( ( ( K *)+ J 3 A 66,*) /A 3( *A ( ( K A,*(,*+,*,*). 2. *,*). 3(J (3 3( 1.+ C6 (3, A 66,*),*/A (,* 6 ( +( KL /(13,*) (3 2. O,(3 0J (OC +A,*,(( O.+ (L6,1..L DA,. (3 A,*(,* / (3 2. K ( *L 13*),* (3,.1. *(OC9 ( )( (3 13*) A + -,,K. ( (3 ( / (3 *(*(J.*) O,(3 (3 )O(3 / (3 *( (3 K*+O,+(3 1* A + KL 13 +A,*,((,- (C )O 9 *+,( K1A 66*( (3( *O. (,* O U,+ J 3 4A,* A L(A M4 N, (3(. (,*,(, *O (3 A AK / ( (1.,( (3(, 6*,K. / *A. (,* J * --,O / (3 4, ),-* 39 *+ A +(,.+ +1,6(,* 1* K / *+,* 7:9 79 J 3,. (3 A ). / (3 4 O ( 3*+. (3 3( *A ( 0 ++ A 66,*)9 )*. /.* O. )3( /,* (3 +,)* J,*1 * *(*(DO,+ L(A (C.( / OC ( ( 6 9,(, *K. ( Q61(,)*,21*( K*2(,* ( * J,( (*+9 (3 4, K. / A (3* * 6 6 J * /1(9,(, +,(,K (+ +(K (3( 1* K + ( A *) *L C,*+ / +(9.*) (3 +(, *( ( *,(,- ( K (+,* +(K 11,K. KL *L*J 7

29 3 1+,* (3 +(K,*+Q+ KL (3 +A,* *A 1,(+ O,(3 (3A 9 O3,13 (L6,1..L 3( *A 9 K ( 1*. K (3 C,*+ / *(,(, *A J 3 ( /.. +,S*( -. KL O3,13 +(,,*+Q+,*( 4 +(K /A +A,* *A 61J 3,. ( K 13*,*.A ( *L OL9 ( 13,- +,(,K (+ +(K (3L *+ ( K 13* (3( (3L,*+,1( 6,(,*,* 3,13,1. ( 1( J +A,* *A 61, (3/.OL ( 1( +.,C (J (3 ( 1( *,*+Q / (3 +(K9,(, *(,. (3(,( K C6(,* 1*,(*( ((J (3O, A / (3 K* K 1 ( S /A (3 (9 *+ U, )+,*) *L *+,* (3 K*13 O.+ /,.J * (3, (3,9 (3 (A, + ( / ( K(3./ *+ *+,*(*. *+J * ( A,* 1* K (3 )3( ( K K( / ( (3( 6*( +A,* *A 61J,) 8 J7 3O A.. *A 61J 3 +A,* 3 K* 1,1.+ J fi tm tv hut lut cc cs tcm lidocaine camphor,) 8J7 3 +A,* J 3 *A / +A,* 1*,( / 1*1(*(,* / (3.K. / 13 *+ * (3 6(3 /A (3 ( / (3 K( ( (3 ( / (3 O3. (J *,) 8 J79 (3 +A,* *A, 1U,+ KL /..O,*) (3 A 63,R+ 6(3 (O+ (3 (J 3 A Q,A A.*)(3 /.K., > KL(J 3 A 6(L (,*), -+ / (3 ( / (3 (9 *+ *+ (3( 3- (3 A 6*( A L *( 3- (3 A.K.J 3 4 (*++,(./..O.K. ( 1*(,* *L 1((J */( *(.L9.( / (3 PQ,K,.,(L (3( (3, /+A O.+ (3O, S, +* OL O,(3 (3 /1( (3(.. 1A 6,*,* (3

30 4 1,**,(,-J 1 / (3,9 1 1**(.OL K * (3 )3 (3 (*++ 1A A *+ (3(,( K +* O3*- 6,K.J 3.K. + (3 1**( K ( *L K,*L K 1(. (3* > 8 1((,*,R9 *( -*,/ *1++ O,(3 (3 1A A *.L + K > 8 *1+,*) J A L(A (3( ( (3, O*. / (3 C,*+ / +A,* *A (3(..O+ J,*(*1 9 (3. +2*+,* = 3.+ K (,2+ O3* *A,*) A,. +A,* J ,21(,*. +2* 3O +A,* *A 3.+ K 6*(+ (Q(J 4( + 6( / (3.K.,* (3 (Q( 6*((,* J A 131(9 13 +( *+ **D6,*(K. 131( / (3.K. *+ ( K 16+,JJ (3L *+ ( K 6*(+,*) A (3* * 131(J R*, ) 6 / +A,* *A *+ +( (3( )-*+ KL (3 A (3,(LJ 66 *A - M 1(,* 8 J8N, (3,((,- / (3 *(, +A,* 9 Q16( / (3 K+A,* 9 O3,13, A *D )+ KL *(3 *A -J 3 O3. +A,* (3*, *(.+ KL * *+ (3 A (3,(L9 *+, (3 +,-,++,*( (.( (O R*J 3 (3,(L A *),*) / (3 +.)(+ (3 (3,(L / 6,K. K+,*( +A,* / J *A R*9 (3 *A / (3 K( O,(3,* (3 R* (3(, (3 1.( * ( (3 ( M/ (3 O3. (N, + J +A,* *A 61 *+ (3,*/A (,* 1,(+ O,(3 (3 *A (D )(3 /A 4 +(KJ 3,*/A (,*, 1A 6+ / D1..+ D 1 1+ M NJ +,S *( C,*+ /,*/A (,*..L U, +,S*( () /A (9 13 C,*+ 3,( O* 1 1+ (L6J, +,S*( (L6 3- K* +2*+,* 9 *+ A 1* K +2*+ (3 *+, J 3 3- (3 A 3,)3D.-. ( 1( 9 )+. / (3 (L6J 3 ( 1(, 3O*,*,) 8 JJ A *) (3 (3,*) (3 1+ 1*(,* (3 *A / (3 *+ ( O3,13 (3 1+ 6(,*9 *+ (3 (,A D(D.,- M N -. / (3 1+ J 3.(( -.,*+,1( (3 * AK / 1*+ / O3,13 (3 A L K 113+ J 3.( / ( (L6D+6*+*(,*(*. ( 1( J 3 (L6 / * 1* K +(A,*+ KL. C,*) ( (3 (L6 -. 1*(,*+ O,(3,*,(J *,( / * A 2.+J 2.+ O,(3 (3 A A *(,1 A L 3- +,S*( ( / 6,K. -.,* +,S *( *-,*A *(9,( A L K +,K. / (3 /A ( / / (3 A (L6 ( -L +6*+,*) * (3 C,*+ / 6(1. /A,.L,*(*1 / 6(1. (3( (3 4,*/A (,* 1*1*J QA 6.9 * 0 ++

31 NAME TYPE CLASS TTL RDLENGTH RDATA,) 8 J 1 1+ ( 1( J, K,(,*,R.*) K + KL A (3 6( 1.J (3 * ),-* K O3,13 61,2 (3 6( 1.,( (3( (3,*/A (,*,* 4 66., ( J 3 /A ( / 4. +6*+ * (3, -. J 13 (L6 *+ 1.,)*+ (3, O* *,U * A K J O 3,13 3 (3 A *A *,1 / *(*(9, 1 *(.L KL / (3 A ( 1A A *.L + *J 3 9 / K-,(L9 /(* *).1( ( A *(,* (3 1..()(3 O3* +,1,*) 1+ (L6 *+ (3.1(,* 1,(, J U L 6(,*, * ((A 6( ( (,- ( /.. (3,* 1(,* +(K O3,13 3- (3 A +A,* *A 9 (L69 *+ 1.J 13 (, A (,A /+ ( * J *(.L9 U ( / ( / (3 (L6 A ( 1A A * 9 *, *++ O3* * O,3 ( C*O ( *+,*) ( +A,* *A J / 3- (3,A 6. ( 1( 3O*,*,) 8 J J ADDRESS,) 8J 4 ( 1( J *(3,A 6(*( (L6 /, J 1+ / (3( (L6,*+,1( (3( (3 +A,* *A ( O3,13 (3 1+ 6(,*, 1(..L *.L *.,9 *+ (3( (3 6,A L *A / (3., O*, 1*(,*+ O,(3,* ( / (3 J 3.*)(3 / ( , +6*+,*) * (3.*)(3 / (3 *A J 3- (3 A ( 1( 9 K ( (3 +A,* *A 61,2 3( O3,13, (3,((,- / (3 R* ((,*) ( (3 +A,* / (3 J 8

32 ,(3,* 4 A )9 6*(+,* (3 K,*L /A +1,K+,* (3, 136(J 3* (+,* *A - 1*2) (,* 2.9 (3 (L6,1..L 6*(+,* 6,*(K. *+ +K. /A J 3 /A ( + O3* 113,*) 1A 6.(.L +6*+ * (3,A 6.A *((,* J ,+ /A *A - ( *(3 O,(3,* 4 A D )J 3 A ) 1* K (*A,((+,(3 4()A 0(1. M 40N +()A,* KL( (A /A + O,(3 *A,,* *(. 0(1. M 0N :J 40 61C( 6/K.9 (3L S.O -D 3+ *+ K(( 6/A *1J O-9 (3 / 40 K,*).,A,((,* ( (3,R / A ) (3( 1* K *(J ,21(,* +2* (3 A Q,A A,R / A ) (3( ()A (3 (*6( ( K 7 KL( MQ1. +,*) ( NJ, (L6,1..L 3( *+ O,.. 2(,* 7 KL(9 K ( 6., 1*(,*,*) A *L *(, A L O.. Q1+ (3.,A,(J -*,*). 1*(,*,*) * 0 1(,21(9 /,*(*19 1.+,.L K (.)J * 13 1 (3 6* 3.+ K ( *1(+ *+ (3 ( *1(,* P),* (3 A ) 3+ M K.O N 3.+ K (,* + ( 1*/A ( (3 4 (*++ J 3*.- 2*+ (3( (3 P) 3 K* (,( 3.+ KA,( (3 U L,*) 0J *,*(..,)*(.- A L 2( 131C (,/ (3 6* 1*(,* (3 *(, *O 1(,*,/ 9 (3, * *+ ( 0J 3 40 (*++,(./ + *( +2* 13-7 KL(.,A,((,* J ( / (3 1 *( *(*( 1* 3*+. 61C( / 6 ( 7EE KL(,*,R O,(3 ( /)A *((,* 9 9 *+,( 1* K Q61(+ (3( (3 -) M Q,A A */ *,(N / (3 *(OC 3+O,* O,.. 1*(,* ( )O J -* *O 9 A *(OC *.L.,A,(+ KL (3 A Q,A A,R (3( 1* K 61,2+,* * 0 +()A 3+9 O3,13, > KL(J * 61(,19 61C( O,(3,)*,21*(.L.) 4 6L.+ (3* 7 KL( 1.+ K (*D A,((+ K (O* A *L *(OC * +,/ (3 4 /(O 116(+.) C( J K1CO+ 1A 6(,K. A +,21(,* ( (3 4 6( 1. O3,13 O.+..O.) 6* 3 K* ))(+ J 3 /A ( / 4 A ), (3 A / K(3 U, *+ 6.,J.. A ) 3-3+ / (3 A,R *+ ( 1( J 3 ( 1(, 3O*,*,) 8 J8 J *.L K,/ +1,6(,* / (3 2.+,* (3 3+ ),-* 3J A,*/A (,* 9 / ( J H5 7 > DK,(,+*(,2 + KL (3 1.,*( ( A (13 6., ( ((*+,*) U,9 KL (3 - ( +(1( + 6.,1(+ U (J * K /.L 13* KL (3 6)A (3( )*( U LJ

33 ID QR OPCODE AA TC RD RA Z RCODE QDCOUNT ANCOUNT NSCOUNT ARCOUNT,) 8 J8 3 ( 1( / 4 A ) 3+J P) O3,13, (,/ (3 A ), 6*J ; B 5 -. (3( (( (3 6 6 / (3 A ) J L6,1..L E M N9 O3,13,*+,1( (3( (3 A ), U ( / * (J P) O3,13, (,/ (3 *A - (3( *( (3 6*, (3,D ((,- / (3 +A,* (3( (3 U L 1*1*+ J B P) O3,13, (,/ (3 A ) O ( *1(+ J 5 P) O3,13, (,/ (3 1.,*( O*( (3 *A - ( 6 (3 U L 1,-.LJ P) O 3,13, (,/ (3 *+ / (3 6 * 66 ( 1,- U, J -+ J ( K R J B 5 -. (3( 61,2 (3 C,*+ / 9,/ *L9 (3( (3 *+ / (3 6* *1 *(+ O3* ((A 6(,*) ( 2*+ * *O ( U LJ 3 3+,,A A +,(.L /..O+ KL 4 *(,,* (3 U (,* 1(,* 9,* (3 *O 1(,* 9,* (3 D (3,(L 1+ 1(,* 9 *+,* (3 ++,(,*. 1+ 1D (,* J 3 U (,* 1(,* *(, *( K ( *(, (3( 1*(,* +A,* *A 9 (L * O3,13 ()(3 61,/L O3, K /(13+ /A (3 4 O3* A C,*) U LJ A - 6,(, / (3 +( (3( A C 6 4 +(KJ 3 +(K, +,-,++,*( R* O3,13 +,(,K (+ A *) -J 3 >

34 ,*/A (,* K ( (3 R* )-*+ KL *A -,..L (+,* ( / 2. 11,K. ( (3 -J O3, R* 2.9 (L6,1..L (Q( 2. *+ (3L + ( A A L O3* -,. *13+ J )(3 ( (3 1,(+ O,(3 (3 +A,* *A,* (3 +(K9,*1. +,*) (3 (3( 1*(,*,*/A (,* K ( (3 ( 1( / (3 +A,* (J 3 A,* (C / *A -, ( *O U, )+,*) (3 +( (+,* +(KJ (3 U, *+ 6* ( (3 - *( (*++ 4 A )J 3 +,S*1,* (3 C,*+ / 66( (3( *A - SJ A - + *( S 1,- -,1 (3L O,.. *( ((A 6( ( 1U, +( (3( + *( K.*) ( * / (3, O* R*J A O,.. + 6* U ( KL *+,*) U, ( (3 -J (.. (L6 66 (+ KL.. - /(O J L6,1..L9 (.(.. / (3 (*++ 9 **DK.( (L6 66(+ 9 *. (3 (*++, -L 1*(J *L -. 66( A Q6,A *(. (L69 13 M 1(,* J7NJ *(.L9 (3 A ( O,+.L + *A -, O3,13 3 -L,*) 66( / +,S*( (L6 +6*+,*) * (3 -,* + J 4.-, *,*(/1 ( (3 4A,* A L(A J K A 61,219,(,.,KL / 6)A (,* (3( ( A Q(*( 3,+ (3 1A 6.Q,(L / 1*( 1(,*) 9 *+,*) 9 1,-,*) 9 *+,*(6(,*) A ) U,+ / 1A A *,1(,*) O,(3 *A -J * + ( 1U,,*/A (,* /A ( *+ ( C*O ( / (.( * *A - *+ ( K K. ( 1A A *,1( O,(3,(J / *A - S 1,- -,19 ( *+ ( + *(3,*) A (3* ( *+ * U L ( (3( -,* + ( 1U, (3 +,+,*/A (,* 9 ( 2*+ ( (3( (3,*/A (,*, *(,* (3 +(K J / 1,- -,1, *( -,.K. 9 ( (,.. K K. ( 1U, /. ( (3 *A - *(,.,( 1*,(3 2*+ *A - (3( 3 (3 +,+,*/A (,* 9 1*1. + (3( (3, * - (3( 3,(J.-..L 3-113,* O3,13 A L K (+ J 3 (,A.,A,( / (,*) *, 61,2+ KL (3 -. / (3 1+ J (3,((,- +( 3.+ K 6/+ - **D (3,((,- +( O 3* +1,+,*) O 3( +( ( C6,* (3 113J -,*),*/A (,*,* (3 113,* A *L 1 +(,1..L 6+ 6 (3 61 / 2*+,*) (3 *O ( U (,* J =

35 3 4 9,*,( 1 *( /A 9 + *( 66( (3 131C,*) / +(,*(),(L9 * +,( + A 13,* (A / (3*(,1(,* J 3/9 3(,*) (3 4 -.*K. ( 1(,* C,*+ / ((1CJ 3L 1**( K,/ ( *(,*+,* 4 A ),),*(+ /A - (3,((,- / (3 J,(3 1* (3L K 1*-,*1+ (3( (3 1+ O *( A +,2+ * (3 OLJ 3 4 1,(L C,*) 6, ((A 6(,*) ( 1( (*D ++ (3( O.+ 9 O3* O,+.L +6(+ 9,)*,21*(.L,A 6- (3 1,(L / (3 4 J 3, O.+DK (*++, (1. 1,(L Q(*D,* 779 3*1/(3 /+ ( 4 J 4 +,),(.,)*( ( 13,- +(,*(),(L *+,),* (3*D (,1(,* J 3 *O 1 1+ (L6 3- K * +2*+ 9 * / (3,)*( 9 * / CL + / 131C,*),)*( 9 *+ * ( 1*-L,*D /A (,* K ( *A (3( + *( Q,( *+ (L6 / (3( Q,( / ),-* *A J (L6 /,)*(, 1..+ J 1 1+ / (3, (L6 + ( 1L6()63,1..L K,*+ ( ( (3,)* *+ -.,+,(L,*(-.J 1,(LDO.- *+ ( 3-11 ( (3 6 K.,1 CL / (3 R* /A O 3,13,( 1,-,)*+ +( 9,* + ( 131C (3( (3 +( O 66.L (3,R+ *+, 1 *(J,-* (3( 1 1+ (L K* +2*+ / 6 K.,1 CL9 - O,(3 -* K,1 4 1A 6.,*1 1* K + / 6 K.,1 CL +,(,K (,* 9 -* / CL (3 (3* (3 *++ KL 4 - *+.-J 3 (3,+ *O (L69 9, *++ ( 1.L,*+,1( (3( 1(,* *A + *( Q,(,* R*J 3. 1*(,* K,( A 6 O3,13 1* K + ( +(A,* O3( (L6 6*( / * Q,(,*) *A J * ++,(,* ( ++,*) 1,(L ( (3 4A,* A L(A 9 4 1* K -,O+ 0 / C,*+ J * 1*(,* *L C,*+ /,*/A (,* J 3* 1+, 1(+ / * (9 (3,*/A (,* 1*(,*+,* (3 (, K *+ ( +A,* *A *+ (3,)*,*) CLJ 3 ( *+ (3 1+ ()(3 S1(,-.L 1( 1(,21(9,)*+ ((A *( K ( (3 66 (, / (3 *(,(L (3( 3 (3 +A,* *A J 3 -.,+,(L / 1(,21(, 1*2A + KL 131C,*) (3,)*( *+,(,*16(,* *+ Q6,(,* (,A 9 O.. (3 -. / (3 J ( 1.+ K ) + (3( 1(,21( + *( *+ (3, O* (L6 9 1(,21( 1* K 6*(+,*) A.(,6. / (3.+L (*++,R+ (L6J O-9 *.L (3 / *(,(, ((,K ( (3( 3- * (L6 1.+ K 1(,2+ (3 )3 (3 / (3, 13A J )( (3 Q6,-* / 13

36 1(,21( * 6 O,(3 0 1(,21(9 *O (L6 O.+ *-(3. K U,+ J 3 4 (*++ U, (3(,*/A (,* K ( -L R*, C6( * (O A *A -J 3,, ( * -,.K,.,(L +6,( / 3(.,*C /,. 9 K (,( 1*. K (3( U L,*( ( (3 *(OC,/ (3 U L,*) 3( 1*(1( (3 - ( O3,13, 3 (3 K( *(OC 11J * *L 19 (3 + 6.,1(,* / +( ++ ( (3 S( U,+ ( A,*(,* 1*,(*( +(K J 3 4 O,),*..L +,)*+ ( K ((,1..L A,*(,*+ +(KJ 3 +(,*,( O Q61(+ ( 13*)9 K ( *( -L /U *(.LJ 3 6O/. A 13*,A / A C,*) 6+( O* (.. (3( *1LJ +,(,*) R* 2. KL 3*+, (,.. 1A A * OL ( A C 6+(J -,+ 3-,*) ( A C (3 A 13*) ( (3 6+( K 66)(+,*) 0 A (3 )*,1 A (3+ J 3 4 (*++ +2* *+ 1A A *+ 6(,1. OL ( *) /.. R* (*/J 1*(.L9 (3 66. / A C,*) 6+( 3- K* A + O..J (*++ +1,K A 13*,A / A C,*),*1A *(. R* (*/ 9 / *(,/L,*) / R* 13*)9 *+ / A C,*) +L*A,1 6+(,* (3 4 J.. / (3 K,PL +1,K+ K.O J * / (3 *A - (3( (3,((,- / R*, +,)*(+ (3 6,A L - / (3 R*9 O3,. (3 (3 1*+,J 3 *A / (3 6,A L,,*1. ++,* (3 R*,*/A (,* J 3 +,S*1 K(O* 6,A L *+ 1*+L, (3( O3* R* *+ ( K 6+(+ 9,(, (3 6,A L - R* 2. (3( 3.+ K +,(+ KL (3 R* +A,*,(D (J /( +,(,*) 9 (3 **,*) *A -,,)*.+ ( )(,( (.+ (3 6+(+ R*,*/A (,* J 3 (3 - (3,((,- / (3 R* 6,D +,1..L 131C (,/ 13*) ( (3 R* 3- K* A + KL 131C,*) (3,. * AK (+ O,(3,* (3 R*,*/A (,* J / (3 * AK 3 K*,*1A *(+ 9 (3 1*+L - *+ A ) O,(3 (3 61+ ( (3 6,A L9 O3,13,*+,1( (3( (3 U ( O*( ( 1,- 1 *( 16L / (3 *(, R*,*/A (,* J 3 6,A L 3.+ 1( KL *+,*) U *1 / 6* A ) 1*(,*,*) (3 C+,*/A (,* J A +(,. K ( (3 /.. R* (*/ A 13*,A 9 / ( 7J.. R* (*/ O(.( / K*+O,+(3 9 (3 *(, R*,*/A (,* *+ ( K (*A,((+ -*,/ (3 6+( A + ( R* 3- K* A..J (3, * 9 A 13*,A / *.L 1A A *,1(,*),*/A (,* K ( (3 13*) 3 K * 66 + J *1A *(. R* (*/ +1,K +,* > J / A C,*) 13 (*/,,A,. ( A C,*) /.. :

37 R* (*/J 1*+L -, * U ( ( (3 6,A L O3*,( O*( ( 1,- (3 13*)+ 6(,* / R*J 3 1,(L / K(3 /.. *+,*1A *(. R* (*/ 1* K,A 6-+,/ 4 66(, -,.K.J 3,, +* KL,*) 1 1+ ( (3( -L (3,((,- *A *+ (L6 O,.. K 6*(,* /.. R* (*/ J,*1A *(. R* (*/ 9 (3 1A 6.(* / (3 (*/+ R*,*/A (,* 1**( K 1*2A + 9 K ( (3,*(),(L /,*+,-,+. 1* (,.. K 131C+ /A (3,)*( 1+J 66 + (* *+,* 9 ++ (3 /1( (3( 9 +1,K +.,9.. **D6,A L - *+ ( /U *(.L 131C (,/ (3 6,A L (+ R* J ,K *O J *1 6,A L R*,*/A (,* 3 K* 6+(+ 9,( 1* *+ *(,21(,* A ) ( (3 - (3,((,- / (3 R* (3( (3L C*O ( (C 1(,* ( )( (3, R*,*/A (,* 6+(+ J 3 *(,21(,* A ), (*++ 4 A ) (3( 3 (3 61+ *.L K( / (3 A ) 2.+, + 9 3O-J ( O.+ /(* K 1*-*,*(,/ R* 1.+ K 6+(+,A 6.L KL *+,*) A ) ( *A - (3,((,- /,(J -*(..L..O +,*) O,(3 O,+.1(,* / - /(O9 (3,9 ( (3 (,A / O,(,*) 9 1*,+K. *),*) S( ( +,)* *+ (*++,R 4 Q(*,* / A C,*) 6+( +L*A,1..LJ 66+ (*++, +1,K+,* J * ( O3,13 9 O3* 66(+ KL *A -9 A C,( 6,K. ( ++ +.( ( /A R* *O R* 1**( K +++ J 3 6*1 / ( A ) ( K,*(6(+ +,S*(.LJ 3 *O 1(,* 9 / QA 6.9, (C* ( 1*(,* 6U,,( O 3,13 A (.. K (,2+ / (3 6 +( 6 (,* ( (C 6.1J * A ). 1*(,* (3 *A / (3 R* ( K 6+(+ *+ *(..L..,( / (3 6+( ( K A +J *1 1*( 1(+ 9 (3 A ) 3.+ K *( ( (3 6,A L *A - / (3 R* 1*1*+ J / +L*A,1 6 +( + *( +1,K A (3 + / 131CD,*) A ) *+ 6A,,* (,*,(,( * 6+(J *(3 66+ (*++ 9 ( ( 7E9 +1,K A 13*,A / +,*) J A 6-A *( (,( ))(+,* :9 *+,A 6. *+ A PQ,K..D (*(,-, 6*(+,* 8J (3*(,1(,*, 3*+.+,*),(3 6 K.,1 LA A (,1 CL9 *+ (3 (3,(L ),-* KL 6,* / CL, +,1((+ KL (3-6.,1LJ ( 3 K* ))(+ (3( ( / 1.+ K + ( 6*( (3 6.,1L9 K ( (3 6.,1L, *.L + KL (3 - ( A C 11 1*(. +1,,* *+ *+ *( K Q6+ ( (39 (3 R* +A,*,(( 3.+ K / (.1( *L C,*+ / 6*((,* J 6.,1L /,*(*19.,A,( (3 16 / (3,(L / 13 CL ( 1(,* +A,* O,(3,* R*J E

38 * + ( K,.+.,K. L(A * (6 / *,*/( 1( (3( A C 3-L / 1(,21( *+ +6 *+ * (3, -,.K,.,(L9 * 3.+ ),- 1/. 1*,+(,* ( 1(,21( A *)A *(, J * / (3 A (,AD 6(*( / (3A, 1(,21( ()9 O3,13, *( *1,.L +++ KL (3 1(,21(,*/( 1(,(./9, (3 1 / 0 J 3 (). D (,* A ( 1. O..,/,(, ( 66( * *(*(DO,+ L(A (3(, 6* / -L* ( 6(,1,6(,* J 3, 136( +1,K OL ( (3 4D A,* A L(A ).K..L 11,K.9 +,(,K (+ +(K /A O3,13 0 1(,21( 1* K (,-+ * +A *+ J *L +( ( K (+,* (3 4 A ( 2( K 6.1+,*( 1 1+ J A / (3 A ( 1A A * (L6 O.+L 1-+,* 1(,* 8JJ 3 (L6 A (.-*( ( (3, (3,, 9 O3,13 3 (3 (L6 * AK =J ( 3 *( L( K* (*++,R+ 9 *+ *L(3,*) (3(,,+ K ( / (L6,* (3, (3,, K 1( ( 13*)J 3 61,21(,* /,( 1* K / *+,* 7J / (3 (L6, ( /1,.,(( (,*) 1(,21(,* (3 4 J / (3 A /A (.. (3 (3 (3 ( 1( / (3 (L6 61, , 3O*,*,) J7J 4 1*(,* (L6 -. O 3,13 6 1,2 (3 (L6 / 1(,21( 1*(,*+ O,(3,* (3 2.+ J A *) (3 1 *(.L +2*+ 1(,21( (L6 0 *+ JE:J 3 (L6 -. *+ (3 (L6 A *A *,1 D -+ / 0 J * ++,(,* ( (3 1(,21( (L6 * AK9 (3 4 1*(,* CL () 9 *.),(3A,+*(,29 *+ (3 1(,21(,(./J.(*D 7

39 TYPE KEY TAG ALGORITHM CERTIFICATE or CRL,) J7 4 ( 1( J (,-.L9,*(+ / 1(,21(9 (3 1+ A L 1*(,* 1(,21( -1(,*.,( M NJ 3.),(3A -. 61,2 (3 33 *+ (3 6 K.,1 CL.),(3A +,* (3 1(,* / (3 1(,21(J (3 A / (3.),(3A 2.+ / (3 *+ M 1(,* 8 J > N Q16( (3( (3 -. R,*+,1( (3( (3.),(3A 3,(3 *( K*,*1. ++,* (3 4 61,21(,* (3(,(, *C*O* ( (3 *(,(L (3( 1(+ (3 J 3 1 *( 61,21(,* (( (3( (3 CL (), 7 > DK,( -. O3, K 1A 6 (+ /A CL AK+++,* (3 1(,21(J 3, +2*,(,* + *( A ( 11 *( / (3 /1( (3( *(.. 1(,21( 3- Q1(.L * 6 K.,1 CL AK+++,* (3A J A 3- **9 *+ A 3- A (3* *J A,*) (3(,(K. CL 1* K 13* 9 (3 +1,6(,* / (3.),(3A ( K + / 6/A,*) (3 1.1.(,* 1* K / *+ /A 77J / 1.1.(,*) ( (3 CL *+ ( K (*.(+,*( (3 (3 A /A (,( O.+ 3- O,(3,* J / (3 CL (L6, *( +2*+,* 4 9 (3 (*.(,* *(..L 1**( K +* J * (3( 1 (3 () 3.+ K ( ( R J / (3 (), *( 1.1.(+ 9 / O3(- * 9 (3.),(3A -. A (. K ( ( R -*,/ (3.),(3A, C*O* *+ +2*+,* 4 J 3,, K1,(, 6,K. / () 1.1.(,* ( L,.+ (3 -. R 9 *+ (3 R () KL,(./ 1**( K (C* (,*+,1( (3( 1.1.(,* 3 *( K* 6/A + (..J ,21(,* + *( L *L(3,*) K ( (3 /A (,* O 3,13 * 0 1(,21( 3.+ K,* (3 1(,21( 2.+ J O- 9 (3 1**,1. DQ 6,* /A (, * K-, 13,1,* (3 * (3(,)*( 1* (3* K 131C+ +,1(.L /A (3,/ *1LJ (3 A * (3 DQ6,* 3.+ *( K K > 8 *1++ J,*) K > 8 O.+.,*1 (3,R / (3 1(,21( J ((+,* 1(,* 8 J 9 61, ( 6A, A O,(3,* 4 A )J 3,. (3, * *+ / (3 1(( O,(3,* 4 A ) ( K =DK,( 131(9 R* 2. (L6,1..L (Q( 2.9 A *(,*+,* 1(,* 8 J8 J