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seen Feb 17 at 19:07

CS student in Germany, hobby C++ programmer.

My little SHA-2 library written in ISO-C++: https://github.com/cooky451/sha2pp


Feb
13
awarded  Autobiographer
Jul
31
awarded  Popular Question
Oct
12
accepted What (precisely) is a block cipher?
Oct
12
asked What (precisely) is a block cipher?
Jul
6
awarded  Student
Jul
6
awarded  Scholar
Jul
6
comment Using a Hash as a secure PRNG
So generally, the NIST wasn't quite sure, but they felt like doing some random stuff would make it more.. random? ;)
Jul
6
accepted Using a Hash as a secure PRNG
Jul
6
revised Using a Hash as a secure PRNG
added 96 characters in body
Jul
6
comment Using a Hash as a secure PRNG
Yeah but that makes like 2 additional lines, still nowhere near the NIST algorithm
Jul
6
awarded  Citizen Patrol
Jul
6
comment Using a Hash as a secure PRNG
As for the flaw in idea 2: That is correct, thanks for pointing that out. As for addition of entropy, what about hash(state || new_seed)? The fixed-length output can also easily be fixed, that's not really a concern I'm afraid.
Jul
6
revised Using a Hash as a secure PRNG
added 33 characters in body
Jul
6
awarded  Editor
Jul
6
revised Using a Hash as a secure PRNG
deleted 7 characters in body
Jul
6
asked Using a Hash as a secure PRNG
Dec
6
awarded  Supporter