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

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

public class SRP6Util
extends Object

Constructor Summary

SRP6Util()

Method Summary

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

calculateU

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

calculateX

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

generatePrivateValue

public static BigInteger generatePrivateValue(Digest digest,
                                              BigInteger N,
                                              BigInteger g,
                                              SecureRandom random)

validatePublicValue

public static BigInteger validatePublicValue(BigInteger N,
                                             BigInteger val)
                                      throws CryptoException

Throws:

CryptoException