PBKDF2 is a key derivation and strengthening function, commonly used for password storage.

PBKDF2 is a key derivation and strengthening function. It is defined by PKCS#5 and RFC 2898.

PBKDF2 applies many rounds of a pseudorandom function (typically a ) together with a salt value to make it hard to precompute values or parallelize computations. It is commonly to store .

Alternatives include and .

Further reading