Examples of com.nimbusds.srp6.SRP6ClientSession.step2()

com.nimbusds.srp6.SRP6ClientSession.step2()

Receives the password salt 's' and public value 'B' from the server. The SRP-6a crypto parameters are also set. The session is incremented to {@link State#STEP_2}.

Argument origin:

From server: password salt 's', public value 'B'.
From server or pre-agreed: crypto parameters prime 'N', generator 'g' and hash function 'H'.

@param config The SRP-6a crypto parameters. Must not be {@code null}. @param s The password salt 's'. Must not be {@code null}. @param B The public server value 'B'. Must not be {@code null}. @return The client credentials consisting of the client public key 'A' and the client evidence message 'M1'. @throws IllegalStateException If the method is invoked in a stateother than {@link State#STEP_1}. @throws SRP6Exception If the session has timed out or the public server value 'B' is invalid.

    System.out.println();
    
    SRP6ClientCredentials cred;
    
    try {
      cred = client.step2(config, s, B);
      
    } catch (SRP6Exception e) {
      
      System.out.println(e.getMessage());
      return;

    BigInteger M1 = readBigInteger();
    
    BigInteger M2;
    
    try {
      M2 = server.step2(A, M1);
      
    } catch (com.nimbusds.srp6.SRP6Exception e) {
    
      System.out.println(e.getMessage());
      return;

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