Cryptography
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Jack Lloyd

Crypto, security, chainsaws

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24 With sufficient randomness, is XOR an acceptable mechanism for encrypting? Jul 12 '11
21 Known methods for constant time (table-free) AES implementation using 'standard' operations? Jul 12 '11
17 Can you create a strong blockcipher with small blocksize, given a strong blockcipher of conventional blocksize? Aug 24 '11
15 Is it feasible to build a stream cipher from a cryptographic hash function? Jul 12 '11
15 Should DES be avoided when developing new systems? Jul 13 '11
14 Unpredictability of X.509 serial numbers Jul 27 '11
12 Taking advantage of one-time pad key reuse? Jul 14 '11
11 Is key size the only barrier to the adoption of the McEliece cryptosystem, or is it considered broken/potentially vulnerable? Jul 14 '11
7 Are there security issues with discrete logarithm keys not being uniformly distributed? Jul 25 '11
4 Is there a problem using Diffie-Hellman over a Mersenne prime? Sep 19 '17
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