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Jan
30
comment Side channel security of HMAC in software
Are you aware of any kind of side channel attacks against SHA-1 or SHA-2? There are no data dependent table look-ups like in AES and the algorithms appear to have a completely input independent operation flow.
Jan
30
revised Is TLS secure against VM reset attacks?
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Jan
28
comment Can I use a one time pad key twice with random plaintext?
Let us continue this discussion in chat.
Jan
28
comment Can I use a one time pad key twice with random plaintext?
I understand your point from a purely semantic point of view, but in practice, as the example in my answer is written, there is no practical meaning to the notion of guessing the message with probability $2^{-n}$. There will still be no way to test which guess is correct, all alternatives will be equally probable, exactly because the message was random, secret and has been discarded, as stipulated.
Jan
27
revised Can I use a one time pad key twice with random plaintext?
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Jan
27
comment Can I use a one time pad key twice with random plaintext?
Isn't your point covered by the second paragraph in my answer? You will preserve the entropy of the message if you discard it immediately after transmission, but only then, and that's typically not what you want to do with messages.
Jan
27
comment Can I use a one time pad key twice with random plaintext?
a xor b || a xor c = b xor a || c xor a. The entropy is exactly the same.
Jan
27
revised Is TLS secure against VM reset attacks?
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Jan
27
revised Difference between Pseudo Mersenne primes and Generalized Mersenne primes
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Jan
27
revised Is TLS secure against VM reset attacks?
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Jan
27
answered Is TLS secure against VM reset attacks?
Jan
27
revised Difference between Pseudo Mersenne primes and Generalized Mersenne primes
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Jan
27
revised Difference between Pseudo Mersenne primes and Generalized Mersenne primes
added 182 characters in body
Jan
27
answered Difference between Pseudo Mersenne primes and Generalized Mersenne primes
Jan
21
revised Are there any successful preimage attacks?
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Jan
21
revised Are there any successful preimage attacks?
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Jan
21
revised Are there any successful preimage attacks?
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Jan
21
answered Are there any successful preimage attacks?
Jan
18
awarded  Quorum
Jan
18
reviewed Reject Are there any advantages in using proprietary encryption?