... omnipresence of 64-bit block ciphers. Handbook of Applied Cryptography by A. Menezes, P. van Oorschot and S. Vanstone. 326 Ch. 9 Hash Functions and Data Integrity (i) Objectives of adversaries ... algorithms. Handbook of Applied Cryptography by A. Menezes, P. van Oorschot and S. Vanstone. 336 Ch. 9 Hash Functions and Data Integrity the security of a particular hash function...
Ngày tải lên: 17/10/2013, 16:15
... proofs were formalized in 1985 by Gold- wasser, Micali, and Rackoff [481] in the context of an interactive proof of membership of a string x in a language L; they showed that the languages of ... in particular, Feige, Fiat, and Shamir[383] adapted the conceptsof interactiveproofs of membershipto interactiveproofs Handbook of Applied Cryptography by A. Menezes, P. van Oorschot...
Ngày tải lên: 20/10/2013, 03:15
Handbook of Applied Cryptography - chap11
... 10010 Table 11.6: The elements of F 2 5 as powers of a generator α. 11.75 Note (security of generalized ElGamal) Much of the security of Algorithm11.73 relies on the intractability of the discrete logarithm ... made independently of the choice of the signing transformations in S A . Example 11.21 provides a specific example of a redundancy function which compromises the secur...
Ngày tải lên: 20/10/2013, 03:15
Handbook of Applied Cryptography - chap12
... A more precise statement of Fact 12.79 requires con- sideration of entropy; the statement holds if the conference keys in question have m bits of entropy. Handbook of Applied Cryptography by A. ... the use of public-keytechniquesforidentification and digitalsignatures. c 1997 by CRC Press, Inc. — See accompanying notice at front of chapter. This is a Chapter from the Handbook...
Ngày tải lên: 24/10/2013, 01:15
Handbook of Applied Cryptography - chap13
... original verification of the notary establishes existence of a trust chain at that point in time, and subsequently its record thereof serves as proof of prior validity. It may be of interest (for ... re- dundancy of user public data in ID-based systems (derived through the dependence of the corresponding private key thereon), together with the use of authentic public system data,...
Ngày tải lên: 28/10/2013, 09:15
Handbook of Applied Cryptography - chap15
... transfer of a message from an originator to a recipient. Mechanisms are specified for non-repudiation of origin (denial of being the originator of a message), non-repudiation of delivery (denial of ... accreditation information, authentication of messages, and the signing of messages. The central authentication protocol involves a commitment-challenge-response Handbook of...
Ngày tải lên: 28/10/2013, 09:15
Handbook of Applied Cryptography - chap14
... 14.4: Multiple-precision squaring (see Example 14.19). Handbook of Applied Cryptography by A. Menezes, P. van Oorschot and S. Vanstone. This is a Chapter from the Handbook of Applied Cryptography, by A. Menezes, ... step 2.1 of Algo- rithm 14.116). (iii) (trade-offs)Sinceh and v are independent of the number of bits in the exponent, se- lection of these parameters can be m...
Ngày tải lên: 06/11/2013, 23:15
Handbook of Applied cryptography
... message space. M consists of strings of symbols from an alphabet of definition. An element of M is called a plaintext message or simply a plaintext. For example, M may consist of binary strings, English ... called the ciphertext space. C consists of strings of symbols from an alphabet of definition, which may differ from the alphabet of definition for M.An element of C is cal...
Ngày tải lên: 14/12/2013, 00:22
Tài liệu Handbook of Applied Cryptography - chap1 ppt
... taxonomy of cryptographic primitives. be evaluated with respect to various criteria such as: 1. level of security. This is usually difficult to quantify. Often it is given in terms of the number of ... electronic information the concept of a signature needs to be Handbook of Applied Cryptography by A. Menezes, P. van Oorschot and S. Vanstone. Chapter Overview of Cryptography...
Ngày tải lên: 26/01/2014, 00:20