1 files changed, 0 insertions, 136 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/signers/GenericSigner.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/signers/GenericSigner.java
deleted file mode 100644
index 0df5a8757..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/signers/GenericSigner.java
+++ /dev/null
@@ -1,136 +0,0 @@
-package org.spongycastle.crypto.signers;
-
-import org.spongycastle.crypto.AsymmetricBlockCipher;
-import org.spongycastle.crypto.CipherParameters;
-import org.spongycastle.crypto.CryptoException;
-import org.spongycastle.crypto.DataLengthException;
-import org.spongycastle.crypto.Digest;
-import org.spongycastle.crypto.Signer;
-import org.spongycastle.crypto.params.AsymmetricKeyParameter;
-import org.spongycastle.crypto.params.ParametersWithRandom;
-import org.spongycastle.util.Arrays;
-
-public class GenericSigner
-    implements Signer
-{
-    private final AsymmetricBlockCipher engine;
-    private final Digest digest;
-    private boolean forSigning;
-
-    public GenericSigner(
-        AsymmetricBlockCipher engine,
-        Digest                digest)
-    {
-        this.engine = engine;
-        this.digest = digest;
-    }
-
-    /**
-     * initialise the signer for signing or verification.
-     *
-     * @param forSigning
-     *            true if for signing, false otherwise
-     * @param parameters
-     *            necessary parameters.
-     */
-    public void init(
-        boolean          forSigning,
-        CipherParameters parameters)
-    {
-        this.forSigning = forSigning;
-        AsymmetricKeyParameter k;
-
-        if (parameters instanceof ParametersWithRandom)
-        {
-            k = (AsymmetricKeyParameter)((ParametersWithRandom)parameters).getParameters();
-        }
-        else
-        {
-            k = (AsymmetricKeyParameter)parameters;
-        }
-
-        if (forSigning && !k.isPrivate())
-        {
-            throw new IllegalArgumentException("signing requires private key");
-        }
-
-        if (!forSigning && k.isPrivate())
-        {
-            throw new IllegalArgumentException("verification requires public key");
-        }
-
-        reset();
-
-        engine.init(forSigning, parameters);
-    }
-
-    /**
-     * update the internal digest with the byte b
-     */
-    public void update(
-        byte input)
-    {
-        digest.update(input);
-    }
-
-    /**
-     * update the internal digest with the byte array in
-     */
-    public void update(
-        byte[]  input,
-        int     inOff,
-        int     length)
-    {
-        digest.update(input, inOff, length);
-    }
-
-    /**
-     * Generate a signature for the message we've been loaded with using the key
-     * we were initialised with.
-     */
-    public byte[] generateSignature()
-        throws CryptoException, DataLengthException
-    {
-        if (!forSigning)
-        {
-            throw new IllegalStateException("GenericSigner not initialised for signature generation.");
-        }
-
-        byte[] hash = new byte[digest.getDigestSize()];
-        digest.doFinal(hash, 0);
-
-        return engine.processBlock(hash, 0, hash.length);
-    }
-
-    /**
-     * return true if the internal state represents the signature described in
-     * the passed in array.
-     */
-    public boolean verifySignature(
-        byte[] signature)
-    {
-        if (forSigning)
-        {
-            throw new IllegalStateException("GenericSigner not initialised for verification");
-        }
-
-        byte[] hash = new byte[digest.getDigestSize()];
-        digest.doFinal(hash, 0);
-
-        try
-        {
-            byte[] sig = engine.processBlock(signature, 0, signature.length);
-
-            return Arrays.constantTimeAreEqual(sig, hash);
-        }
-        catch (Exception e)
-        {
-            return false;
-        }
-    }
-
-    public void reset()
-    {
-        digest.reset();
-    }
-}