1 files changed, 0 insertions, 238 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/signers/RSADigestSigner.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/signers/RSADigestSigner.java
deleted file mode 100644
index 494b72f7a..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/signers/RSADigestSigner.java
+++ /dev/null
@@ -1,238 +0,0 @@
-package org.spongycastle.crypto.signers;
-
-import java.io.IOException;
-import java.util.Hashtable;
-
-import org.spongycastle.asn1.ASN1Encoding;
-import org.spongycastle.asn1.ASN1ObjectIdentifier;
-import org.spongycastle.asn1.DERNull;
-import org.spongycastle.asn1.nist.NISTObjectIdentifiers;
-import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers;
-import org.spongycastle.asn1.teletrust.TeleTrusTObjectIdentifiers;
-import org.spongycastle.asn1.x509.AlgorithmIdentifier;
-import org.spongycastle.asn1.x509.DigestInfo;
-import org.spongycastle.asn1.x509.X509ObjectIdentifiers;
-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.encodings.PKCS1Encoding;
-import org.spongycastle.crypto.engines.RSABlindedEngine;
-import org.spongycastle.crypto.params.AsymmetricKeyParameter;
-import org.spongycastle.crypto.params.ParametersWithRandom;
-import org.spongycastle.util.Arrays;
-
-public class RSADigestSigner
-    implements Signer
-{
-    private final AsymmetricBlockCipher rsaEngine = new PKCS1Encoding(new RSABlindedEngine());
-    private final AlgorithmIdentifier algId;
-    private final Digest digest;
-    private boolean forSigning;
-
-    private static final Hashtable oidMap = new Hashtable();
-
-    /*
-     * Load OID table.
-     */
-    static
-    {
-        oidMap.put("RIPEMD128", TeleTrusTObjectIdentifiers.ripemd128);
-        oidMap.put("RIPEMD160", TeleTrusTObjectIdentifiers.ripemd160);
-        oidMap.put("RIPEMD256", TeleTrusTObjectIdentifiers.ripemd256);
-
-        oidMap.put("SHA-1", X509ObjectIdentifiers.id_SHA1);
-        oidMap.put("SHA-224", NISTObjectIdentifiers.id_sha224);
-        oidMap.put("SHA-256", NISTObjectIdentifiers.id_sha256);
-        oidMap.put("SHA-384", NISTObjectIdentifiers.id_sha384);
-        oidMap.put("SHA-512", NISTObjectIdentifiers.id_sha512);
-
-        oidMap.put("MD2", PKCSObjectIdentifiers.md2);
-        oidMap.put("MD4", PKCSObjectIdentifiers.md4);
-        oidMap.put("MD5", PKCSObjectIdentifiers.md5);
-    }
-
-    public RSADigestSigner(
-        Digest digest)
-    {
-        this(digest, (ASN1ObjectIdentifier)oidMap.get(digest.getAlgorithmName()));
-    }
-
-    public RSADigestSigner(
-        Digest digest,
-        ASN1ObjectIdentifier digestOid)
-    {
-        this.digest = digest;
-        this.algId = new AlgorithmIdentifier(digestOid, DERNull.INSTANCE);
-    }
-
-    /**
-     * @deprecated
-     */
-    public String getAlgorithmName()
-    {
-        return digest.getAlgorithmName() + "withRSA";
-    }
-
-    /**
-     * 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();
-
-        rsaEngine.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("RSADigestSigner not initialised for signature generation.");
-        }
-
-        byte[] hash = new byte[digest.getDigestSize()];
-        digest.doFinal(hash, 0);
-
-        try
-        {
-            byte[] data = derEncode(hash);
-            return rsaEngine.processBlock(data, 0, data.length);
-        }
-        catch (IOException e)
-        {
-            throw new CryptoException("unable to encode signature: " + e.getMessage(), e);
-        }
-    }
-
-    /**
-     * 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("RSADigestSigner not initialised for verification");
-        }
-
-        byte[] hash = new byte[digest.getDigestSize()];
-
-        digest.doFinal(hash, 0);
-
-        byte[] sig;
-        byte[] expected;
-
-        try
-        {
-            sig = rsaEngine.processBlock(signature, 0, signature.length);
-            expected = derEncode(hash);
-        }
-        catch (Exception e)
-        {
-            return false;
-        }
-
-        if (sig.length == expected.length)
-        {
-            return Arrays.constantTimeAreEqual(sig, expected);
-        }
-        else if (sig.length == expected.length - 2)  // NULL left out
-        {
-            int sigOffset = sig.length - hash.length - 2;
-            int expectedOffset = expected.length - hash.length - 2;
-
-            expected[1] -= 2;      // adjust lengths
-            expected[3] -= 2;
-
-            int nonEqual = 0;
-
-            for (int i = 0; i < hash.length; i++)
-            {
-                nonEqual |= (sig[sigOffset + i] ^ expected[expectedOffset + i]);
-            }
-
-            for (int i = 0; i < sigOffset; i++)
-            {
-                nonEqual |= (sig[i] ^ expected[i]);  // check header less NULL
-            }
-
-            return nonEqual == 0;
-        }
-        else
-        {
-            return false;
-        }
-    }
-
-    public void reset()
-    {
-        digest.reset();
-    }
-
-    private byte[] derEncode(
-        byte[] hash)
-        throws IOException
-    {
-        DigestInfo dInfo = new DigestInfo(algId, hash);
-
-        return dInfo.getEncoded(ASN1Encoding.DER);
-    }
-}