Extension of PBEKeySpec which takes into account the PRF algorithm setting available in PKCS#5 PBKDF2.
password password to use as the seed of the PBE key generator.
salt salt to use in the generator,
iterationCount iteration count to use in the generator.
keySize size of the key to be generated.
prf identifier and parameters for the PRF algorithm to use.
super(password, salt, iterationCount, keySize);