protected virtual BigInteger SelectPrivateValue()
{
return(Srp6Utilities.GeneratePrivateValue(digest, N, g, random));
}
public virtual BigInteger GenerateVerifier(byte[] salt, byte[] identity, byte[] password)
{
BigInteger e = Srp6Utilities.CalculateX(this.digest, this.N, salt, identity, password);
return(this.g.ModPow(e, this.N));
}
/**
* Creates a new SRP verifier
* @param salt The salt to use, generally should be large and random
* @param identity The user's identifying information (eg. username)
* @param password The user's password
* @return A new verifier for use in future SRP authentication
*/
public virtual BigInteger GenerateVerifier(byte[] salt, byte[] identity, byte[] password)
{
BigInteger x = Srp6Utilities.CalculateX(digest, N, salt, identity, password);
return(g.ModPow(x, N));
}
protected virtual BigInteger SelectPrivateValue()
{
return(Srp6Utilities.GeneratePrivateValue(param.N, random));
}
/**
* Initialises the server to accept a new client authentication attempt
* @param N The safe prime associated with the client's verifier
* @param g The group parameter associated with the client's verifier
* @param v The client's verifier
* @param digest The digest algorithm associated with the client's verifier
* @param random For key generation
*/
public Srp6Server(SrpConstants param, BigInteger v)
{
this.param = param;
this.v = v;
this.privB = Srp6Utilities.GeneratePrivateValue(param.N, new SecureRandom());
}
