/**
* Generates client's verification message given the server's credentials
* @param serverB The server's credentials
* @return Client's verification message for the server
* @throws CryptoException If server's credentials are invalid
*/
public virtual BigInteger CalculateSecret(BigInteger serverB)
{
this.B = Srp6Utilities.ValidatePublicValue(N, serverB);
this.u = Srp6Utilities.CalculateU(digest, N, pubA, B);
this.S = CalculateS();
return(S);
}
/**
* Processes the client's credentials. If valid the shared secret is generated and returned.
* @param clientA The client's credentials
* @return A shared secret BigInteger
* @throws CryptoException If client's credentials are invalid
*/
public virtual BigInteger CalculateSecret(BigInteger clientA)
{
this.A = Srp6Utilities.ValidatePublicValue(N, clientA);
this.u = Srp6Utilities.CalculateU(digest, N, A, pubB);
this.S = CalculateS();
return(S);
}