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visits member for 2 years, 11 months
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I am a math/computer nerd. Nothing to see here, move along.


Jul
3
answered Pseudorandom permutations on domains of arbitrary (i.e. not a power of 2) size
May
16
answered Why do “nothing up my sleeve numbers” have low entropy?
May
15
answered Is it possible to construct a secure block cipher of size $2n$ given a secure block cipher of size $n$?
May
15
answered modulo operations in crypto algorithms
May
4
answered How do I produce a stream of secure random numbers from AES-Counter mode?
Apr
18
answered How vulnerable is the C rand() in public cryptography protocols?
Mar
11
answered Is this a pseudo random function (PRF)? F(k,x) = f(k,x) - f(k,x-1)
Mar
6
answered Unpredictability vs randomness
Feb
11
answered Should tweak be unique per message?
Jan
5
answered Deterministically combine more than one source of entropy
Dec
15
answered Game traffic encryption AES CTR + HMAC
Oct
9
answered what are the uses of tweaks in block ciphers?
Oct
4
answered Difference between salted hash and keyed hashing?
Sep
14
answered What is the ideal cipher model?
Aug
29
answered AES CTR with similar IVs and same key
Aug
5
answered Concerns about using a hash to determine if specific input data has already been encrypted
Jul
20
answered Encrypted counter as IV in CBC mode encryption using same key
Jun
4
answered Encrypt-then-MAC paradigm
Apr
13
answered Is there an existing AEAD scheme with minimal IV requirements?
Mar
1
answered What is the difference between MAC and HMAC?