1 files changed, 0 insertions, 90 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/agreement/srp/SRP6Server.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/agreement/srp/SRP6Server.java
deleted file mode 100644
index 50f6f7cea..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/agreement/srp/SRP6Server.java
+++ /dev/null
@@ -1,90 +0,0 @@
-package org.spongycastle.crypto.agreement.srp;
-
-import java.math.BigInteger;
-import java.security.SecureRandom;
-
-import org.spongycastle.crypto.CryptoException;
-import org.spongycastle.crypto.Digest;
-
-/**
- * Implements the server side SRP-6a protocol. Note that this class is stateful, and therefore NOT threadsafe.
- * This implementation of SRP is based on the optimized message sequence put forth by Thomas Wu in the paper
- * "SRP-6: Improvements and Refinements to the Secure Remote Password Protocol, 2002"
- */
-public class SRP6Server
-{
-    protected BigInteger N;
-    protected BigInteger g;
-    protected BigInteger v;
-
-    protected SecureRandom random;
-    protected Digest digest;
-
-    protected BigInteger A;
-
-    protected BigInteger b;
-    protected BigInteger B;
-
-    protected BigInteger u;
-    protected BigInteger S;
-
-    public SRP6Server()
-    {
-    }
-
-    /**
-     * 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 void init(BigInteger N, BigInteger g, BigInteger v, Digest digest, SecureRandom random)
-    {
-        this.N = N;
-        this.g = g;
-        this.v = v;
-
-        this.random = random;
-        this.digest = digest;
-    }
-
-    /**
-     * Generates the server's credentials that are to be sent to the client.
-     * @return The server's public value to the client
-     */
-    public BigInteger generateServerCredentials()
-    {
-        BigInteger k = SRP6Util.calculateK(digest, N, g);
-        this.b = selectPrivateValue();
-        this.B = k.multiply(v).mod(N).add(g.modPow(b, N)).mod(N);
-
-        return B;
-    }
-
-    /**
-     * 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 BigInteger calculateSecret(BigInteger clientA) throws CryptoException
-    {
-        this.A = SRP6Util.validatePublicValue(N, clientA);
-        this.u = SRP6Util.calculateU(digest, N, A, B);
-        this.S = calculateS();
-
-        return S;
-    }
-
-    protected BigInteger selectPrivateValue()
-    {
-        return SRP6Util.generatePrivateValue(digest, N, g, random);        
-    }
-
-    private BigInteger calculateS()
-    {
-        return v.modPow(u, N).multiply(A).mod(N).modPow(b, N);
-    }
-}