gnu.crypto.key.srp6
Class SRP6SaslServer

java.lang.Object
  |
  +--gnu.crypto.key.BaseKeyAgreementParty
        |
        +--gnu.crypto.key.srp6.SRP6KeyAgreement
              |
              +--gnu.crypto.key.srp6.SRP6TLSServer
                    |
                    +--gnu.crypto.key.srp6.SRP6SaslServer

All Implemented Interfaces:

IKeyAgreementParty

public class SRP6SaslServer

extends SRP6TLSServer

A variation of the SRP-6 protocol as used in the SASL-SRP mechanism, for the Host (server side).

In this alternative, the exchange goes as follows:

    C -> S:  I                      (identifies self)
    S -> C:  N, g, s, B = 3v + g^b  (sends salt, b = random number)
    C -> S:  A = g^a                (a = random number)
 

All elements are computed the same way as in the standard version.

Reference:

1. Secure Remote Password Authentication Mechanism
   K. Burdis, R. Naffah.
2. SRP Protocol Design
   Thomas J. Wu.

Field Summary

Fields inherited from class gnu.crypto.key.srp6.SRP6KeyAgreement

g, GENERATOR, HASH_FUNCTION, HOST_PASSWORD_DB, K, N, SHARED_MODULUS, SOURCE_OF_RANDOMNESS, srp, THREE, USER_IDENTITY, USER_PASSWORD

Fields inherited from class gnu.crypto.key.BaseKeyAgreementParty

complete, initialised, irnd, name, rnd, step, TWO

Constructor Summary

SRP6SaslServer()

Method Summary

protected OutgoingMessage

computeSharedSecret(IncomingMessage in)

Methods inherited from class gnu.crypto.key.srp6.SRP6TLSServer

engineInit, engineProcessMessage, engineReset

Methods inherited from class gnu.crypto.key.srp6.SRP6KeyAgreement

engineSharedSecret, uValue

Methods inherited from class gnu.crypto.key.BaseKeyAgreementParty

getSharedSecret, init, isComplete, name, nextRandomBytes, processMessage, reset

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SRP6SaslServer

public SRP6SaslServer()

Method Detail

computeSharedSecret

protected OutgoingMessage computeSharedSecret(IncomingMessage in)
                                       throws KeyAgreementException

Overrides:

computeSharedSecret in class SRP6TLSServer

KeyAgreementException