1 files changed, 0 insertions, 92 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/tls/TlsDSASigner.java b/core/src/main/java/org/bouncycastle/crypto/tls/TlsDSASigner.java
deleted file mode 100644
index caaad59a..00000000
--- a/core/src/main/java/org/bouncycastle/crypto/tls/TlsDSASigner.java
+++ /dev/null
@@ -1,92 +0,0 @@
-package org.bouncycastle.crypto.tls;
-
-import org.bouncycastle.crypto.CipherParameters;
-import org.bouncycastle.crypto.CryptoException;
-import org.bouncycastle.crypto.DSA;
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.Signer;
-import org.bouncycastle.crypto.digests.NullDigest;
-import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithRandom;
-import org.bouncycastle.crypto.signers.DSADigestSigner;
-
-public abstract class TlsDSASigner
-    extends AbstractTlsSigner
-{
-    public byte[] generateRawSignature(SignatureAndHashAlgorithm algorithm,
-        AsymmetricKeyParameter privateKey, byte[] hash)
-        throws CryptoException
-    {
-        Signer signer = makeSigner(algorithm, true, true,
-            new ParametersWithRandom(privateKey, this.context.getSecureRandom()));
-        if (algorithm == null)
-        {
-            // Note: Only use the SHA1 part of the (MD5/SHA1) hash
-            signer.update(hash, 16, 20);
-        }
-        else
-        {
-            signer.update(hash, 0, hash.length);
-        }
-        return signer.generateSignature();
-    }
-
-    public boolean verifyRawSignature(SignatureAndHashAlgorithm algorithm, byte[] sigBytes,
-        AsymmetricKeyParameter publicKey, byte[] hash)
-        throws CryptoException
-    {
-        Signer signer = makeSigner(algorithm, true, false, publicKey);
-        if (algorithm == null)
-        {
-            // Note: Only use the SHA1 part of the (MD5/SHA1) hash
-            signer.update(hash, 16, 20);
-        }
-        else
-        {
-            signer.update(hash, 0, hash.length);
-        }
-        return signer.verifySignature(sigBytes);
-    }
-
-    public Signer createSigner(SignatureAndHashAlgorithm algorithm, AsymmetricKeyParameter privateKey)
-    {
-        return makeSigner(algorithm, false, true, privateKey);
-    }
-
-    public Signer createVerifyer(SignatureAndHashAlgorithm algorithm, AsymmetricKeyParameter publicKey)
-    {
-        return makeSigner(algorithm, false, false, publicKey);
-    }
-
-    protected CipherParameters makeInitParameters(boolean forSigning, CipherParameters cp)
-    {
-        return cp;
-    }
-
-    protected Signer makeSigner(SignatureAndHashAlgorithm algorithm, boolean raw, boolean forSigning,
-        CipherParameters cp)
-    {
-        if ((algorithm != null) != TlsUtils.isTLSv12(context))
-        {
-            throw new IllegalStateException();
-        }
-
-        // TODO For TLS 1.2+, lift the SHA-1 restriction here
-        if (algorithm != null
-            && (algorithm.getHash() != HashAlgorithm.sha1 || algorithm.getSignature() != getSignatureAlgorithm()))
-        {
-            throw new IllegalStateException();
-        }
-
-        short hashAlgorithm = algorithm == null ? HashAlgorithm.sha1 : algorithm.getHash();
-        Digest d = raw ? new NullDigest() : TlsUtils.createHash(hashAlgorithm);
-
-        Signer s = new DSADigestSigner(createDSAImpl(hashAlgorithm), d);
-        s.init(forSigning, makeInitParameters(forSigning, cp));
-        return s;
-    }
-
-    protected abstract short getSignatureAlgorithm();
-
-    protected abstract DSA createDSAImpl(short hashAlgorithm);
-}