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Home Page: https://www.openwall.com/crypt/
Implementation of bcrypt password hashing scheme
Home Page: https://www.openwall.com/crypt/
I am struggling with finding examples for OpenWall's bcrypt implementation that use crypt_gensalt_rn and crypt_r that also explain in depth exactly what is happening in terms of input, settings etc and more generally the cryptographic component. crypt and crypt_gensalt are not really viable due to them not being MT-Safe so I am trying to better understand the rn, ra, and r implementations.
For example, for salt generation using crypt_gensalt_rn it seems like it takes an input to seed the salt generator, but the problem is that the seed should be a cryptographically secure random sequence, but from the documentation I could not find an indication of length for said input or a reference other than to use dev/random, even though with multiple users that is not sustainable
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