Read e-book online Advances in Information and Computer Security: 7th PDF

By Yiming Jing, Gail-Joon Ahn, Hongxin Hu (auth.), Goichiro Hanaoka, Toshihiro Yamauchi (eds.)

ISBN-10: 3642341160

ISBN-13: 9783642341168

ISBN-10: 3642341179

ISBN-13: 9783642341175

This e-book constitutes the refereed court cases of the seventh foreign Workshop on defense, IWSEC 2012, held in Fukuoka, Japan, in November 2012. The sixteen revised chosen papers awarded during this quantity have been conscientiously reviewed and chosen from fifty three submissions. they're equipped in topical sections named: implementation; encryption and key alternate; cryptanalysis; and safe protocols.

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Read Online or Download Advances in Information and Computer Security: 7th International Workshop on Security, IWSEC 2012, Fukuoka, Japan, November 7-9, 2012. Proceedings PDF

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Extra info for Advances in Information and Computer Security: 7th International Workshop on Security, IWSEC 2012, Fukuoka, Japan, November 7-9, 2012. Proceedings

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Efficient Elliptic Curve Exponentiation Using Mixed Coordinates. , Pei, D. ) ASIACRYPT 1998. LNCS, vol. 1514, pp. 51–65. Springer, Heidelberg (1998) 16. : Pairing Computation on Twisted Edwards Form Elliptic Curves. G. ) Pairing 2008. LNCS, vol. 5209, pp. 192–210. Springer, Heidelberg (2008) 32 T. Yasuda, T. Takagi, and K. Sakurai 17. : Building Curves with Arbitrary Small MOV Degree over Finite Prime Fields. Journal of Cryptology 18, 79–89 (2005) 18. : A Normal Form for Elliptic Curves. Bulletin of the American Mathematical Society 44, 393–422 (2007) 19.

Compute k −1 (mod q). Compute r = (g k mod p) mod q. Compute s = k −1 (h(m) + x × r) mod q. Signature verification 1. 2. 3. 4. 5. 6. Verify the signature (r , s ) satisfying 0 < r < q and 0 < s < q. Compute w = (s )−1 mod q. Compute u1 = (h(m) × w) mod q. Compute u2 = (r × w) mod q. Compute v = (g u1 × y u2 mod p) mod q. If v = r , the signature is valid. We implement both DSA signature generation and verification. The SHA-1 hash function has been implemented in [17] and introduced in Sec. 1, other atomic computations are described as follows, and the implementation results are summarized in Table 5.

1. S ← {}. 2. For i = 0 to 4m − 1, do (a) If p(i) + 1 − t(i) is an integer and 4 | p(i) + 1 − t(i), then S ← S ∪ {i}. 3. Return S. For an integer x0 , p(x0 ) + 1 − t(x0 ) is an integer and 4 | p(x0 ) + 1 − t(x0 ) if and only if x0 mod 4m belongs to the output set S of the above algorithm. In particular, if S is empty, the family (t(x), r(x), p(x)) yields no pairing-friendly parameter (t, r, p) such that 4 | p + 1 − t, or no pairing-friendly Edwards curve by the algorithm for constructing pairing-friendly Edwards curves in the last subsection.

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Advances in Information and Computer Security: 7th International Workshop on Security, IWSEC 2012, Fukuoka, Japan, November 7-9, 2012. Proceedings by Yiming Jing, Gail-Joon Ahn, Hongxin Hu (auth.), Goichiro Hanaoka, Toshihiro Yamauchi (eds.)


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