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Bookmark or Share- What are SHA-rounds? - Information Security Stack ExchangeThe chpasswd manual doesn't really give a technical definition of sha-rounds. -s, --sha-rounds ROUNDS. Use the specified number of rounds to encrypt the passwords. The value 0 means that the system will choose the default number of rounds for the crypt method (5000). A minimal value of 1000 and a maximal value of 999,999,999 will be enforced.
- What are Salt Rounds and how are Salts stored in Bcrypt?With "salt round" they actually mean the cost factor. The cost factor controls how much time is needed to calculate a single BCrypt hash. The higher the cost factor, the more hashing rounds are done. Increasing the cost factor by 1 doubles the necessary time. The more time is necessary, the more difficult is brute-forcing.
- hash - Rounds in a hashing function - Information Security Stack ExchangeThe default number of rounds for both algorithms is 5,000. To ensure minimal security and stability on the other hand minimum and maximum values for N are enforced: minimum for N = 1,000. maximum for N = 999,999,999. Bery interesting since in my humble mind if you apply to many rounds in a hashing function you could end up with a collision ...
- of rounds for bcrypt - Information Security Stack ExchangeThomas estimates that, if this is your goal, about 20,000 rounds is in the right ballpark. However, the optimal number of rounds will change with your processor. Ideally, you would benchmark how long it takes on your processor and choose the number accordingly. This doesn't take that long; so for best results, just whip up the script and work ...
- Rounds of MD5 and SHA512 Hashing AlgorithmsIn that view, MD5 has 64 rounds. SHA-512 is specified similarly as padding and breaking input data into 1024-bit blocks, and each block is processed with a loop which repeats 80 times a sequence of 4 steps. So we could say that SHA-512 uses "320 steps" (per block). There again, cryptographers agree, more or less implicitly, on talking about "80 ...
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