![]() Then it uses this modified state to encrypt another part of the key, and uses the result to replace more of the subkeys. It starts off with subkeys in a standard state, then uses this state to perform a block encryption using part of the key, and uses the result of that encryption (which is more accurate at hashing) to replace some of the subkeys. There are implementations of bcrypt in C, C++, C#, Embarcadero Delphi, Elixir, Go, Java, JavaScript, Perl, PHP, Ruby, and other languages.īlowfish is notable among block ciphers for its expensive key setup phase. The bcrypt function is the default password hash algorithm for OpenBSD, and was the default for some Linux distributions such as SUSE Linux. ![]() Besides incorporating a salt to protect against rainbow table attacks, bcrypt is an adaptive function: over time, the iteration count can be increased to make it slower, so it remains resistant to brute-force search attacks even with increasing computation power. bcrypt Generalīcrypt is a password-hashing function designed by Niels Provos and David Mazières, based on the Blowfish cipher and presented at USENIX in 1999. ![]() For the bcrypt file encryption utility, see Blowfish (cipher). ![]()
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