de.rtner.security.auth.spi
Interface PRF

All Known Implementing Classes:

MacBasedPRF

public interface PRF

Interface to Pseudorandom Function.

See Also:

RFC 2898

Method Summary

byte[]	doFinal(byte[] M) Pseudo Random Function
int	getHLen() Query block size of underlying algorithm/mechanism.
void	init(byte[] P) Initialize this instance with the user-supplied password.

Method Detail

init

void init(byte[] P)

Initialize this instance with the user-supplied password.

Parameters:

P - The password supplied as array of bytes. It is the caller's task to convert String passwords to bytes as appropriate.

doFinal

byte[] doFinal(byte[] M)

Pseudo Random Function

Parameters:

M - Input data/message etc. Together with any data supplied during initilization.

Returns:

Random bytes of hLen length.

getHLen

int getHLen()

Query block size of underlying algorithm/mechanism.

Returns:

block size