Any weakness when performing SHA-256 repeatedly?
123152
"Weaknesses" in SHA-256d?
31386
Is it safe to ignore the possibility of SHA collisions in practice?
115736
What's a correct and good way to implement __hash__()?
84799
Determine safety of exercise hash functions
11080
Are common cryptographic hashes bijective when hashing a single block of the same size as the output?
128785
How can uniformity of hash functions (e.g. SHA-256) be proved?
145263
“Hash sum mismatch” error due to identical SHA1 and MD5 but different SHA256
97141
Is any 64-bit portion of a 128-bit hash as collision-proof as a 64-bit hash?
89563
Should I use the first or last bits from a SHA-256 hash?
85503
Will hashing over and over eventually give the same hash?
149497
How to deal with a slow SecureRandom generator?
113916
Optimal bcrypt work factor
64371
Can I use HMAC-SHA1 in counter mode to make a stream cipher?
123293
Does encrypting twice using the same block cipher produce a security weakness?
40620
Is the overhead of frequent query cache invalidation ever worth it?
132934
Does SHA-1 hash have quasi commutative property?
42296
SHA256 in T-sql stored procedure