#passwordhashing — Public Fediverse posts

Is there a hash function that's more expensive for an attacker than for the server?

https://crypto.stackexchange.com/questions/104251/is-there-a-hash-function-thats-more-expensive-for-an-attacker-than-for-the-serv

#passwordhashing #keyderivation #hash

How is the Unix / PostgreSQL crypt function a trapdoor function?

https://crypto.stackexchange.com/questions/103766/how-is-the-unix-postgresql-crypt-function-a-trapdoor-function

#passwordhashing #terminology #database #trapdoor

Does combining multiple PBKDF2 keys result higher iteration count when using same password but different salts?

https://crypto.stackexchange.com/questions/103477/does-combining-multiple-pbkdf2-keys-result-higher-iteration-count-when-using-sam

#passwordbasedencryption #passwordhashing #keyderivation #pbkdf2 #sha512

Why does SHA-256 have any to do with scrypt?

https://crypto.stackexchange.com/questions/103287/why-does-sha-256-have-any-to-do-with-scrypt

#passwordhashing #keyderivation #passwords #sha256