Changes between Version 4 and Version 5 of org/projects/Tor/CipherList
 Timestamp:
 Sep 29, 2012, 1:23:06 AM (7 years ago)
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org/projects/Tor/CipherList
v4 v5 53 53 For these, you apply an almost universal hash function* to the plaintext as a kind of cutrate allornothing transform, then encrypt with counter mode or ECB or something, and then apply the inverse of an almost universal hash function. 54 54 55 Variants include NaorReingold, PEP, TET, HEH, HCH, and so on. These can differ in the structure of the polynomial used for the universal hash, and in how the hash is constructed. The hash is usually built from GF(2^128 ) elements, and requires arbitrary multiplications.55 Variants include NaorReingold, PEP, TET, HEH, HCH, and so on. These can differ in the structure of the polynomial used for the universal hash, and in how the hash is constructed. The hash is usually built from GF(2^128^) elements, and requires either multiplications by a repeatedly used element, or arbitrary multiplications. 56 56 57 57 * Most of these require different variants of universalness or almostuniversalness. Remember, a universal hash is not the same thing as a cryptographic digest.