org.gudy.bouncycastle.crypto.agreement.srp
Class SRP6Util

java.lang.Object
  org.gudy.bouncycastle.crypto.agreement.srp.SRP6Util

public class SRP6Util
extends java.lang.Object

Constructor Summary

SRP6Util()

Method Summary

static java.math.BigInteger	calculateK(Digest digest, java.math.BigInteger N, java.math.BigInteger g)
static java.math.BigInteger	calculateU(Digest digest, java.math.BigInteger N, java.math.BigInteger A, java.math.BigInteger B)
static java.math.BigInteger	calculateX(Digest digest, java.math.BigInteger N, byte[] salt, byte[] identity, byte[] password)
static java.math.BigInteger	generatePrivateValue(Digest digest, java.math.BigInteger N, java.math.BigInteger g, java.security.SecureRandom random)
static java.math.BigInteger	validatePublicValue(java.math.BigInteger N, java.math.BigInteger val)

Methods inherited from class java.lang.Object

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

Constructor Detail

SRP6Util

public SRP6Util()

Method Detail

calculateK

public static java.math.BigInteger calculateK(Digest digest,
                                              java.math.BigInteger N,
                                              java.math.BigInteger g)

calculateU

public static java.math.BigInteger calculateU(Digest digest,
                                              java.math.BigInteger N,
                                              java.math.BigInteger A,
                                              java.math.BigInteger B)

calculateX

public static java.math.BigInteger calculateX(Digest digest,
                                              java.math.BigInteger N,
                                              byte[] salt,
                                              byte[] identity,
                                              byte[] password)

generatePrivateValue

public static java.math.BigInteger generatePrivateValue(Digest digest,
                                                        java.math.BigInteger N,
                                                        java.math.BigInteger g,
                                                        java.security.SecureRandom random)

validatePublicValue

public static java.math.BigInteger validatePublicValue(java.math.BigInteger N,
                                                       java.math.BigInteger val)
                                                throws CryptoException

Throws:

CryptoException