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
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
11 Unpredictability of X.509 serial numbers Jul 27 '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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