1 files changed, 0 insertions, 221 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/SignatureSpi.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/SignatureSpi.java
deleted file mode 100644
index a6256281d..000000000
--- a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/SignatureSpi.java
+++ /dev/null
@@ -1,221 +0,0 @@
-package org.spongycastle.jcajce.provider.asymmetric.dstu;
-
-import java.math.BigInteger;
-import java.security.InvalidKeyException;
-import java.security.PrivateKey;
-import java.security.PublicKey;
-import java.security.SignatureException;
-import java.security.spec.AlgorithmParameterSpec;
-
-import org.spongycastle.asn1.ASN1OctetString;
-import org.spongycastle.asn1.DEROctetString;
-import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers;
-import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
-import org.spongycastle.asn1.x509.X509ObjectIdentifiers;
-import org.spongycastle.crypto.CipherParameters;
-import org.spongycastle.crypto.DSA;
-import org.spongycastle.crypto.Digest;
-import org.spongycastle.crypto.digests.GOST3411Digest;
-import org.spongycastle.crypto.params.ParametersWithRandom;
-import org.spongycastle.crypto.signers.DSTU4145Signer;
-import org.spongycastle.jcajce.provider.asymmetric.util.ECUtil;
-import org.spongycastle.jce.interfaces.ECKey;
-import org.spongycastle.jce.interfaces.ECPublicKey;
-import org.spongycastle.jce.provider.BouncyCastleProvider;
-
-public class SignatureSpi
-    extends java.security.SignatureSpi
-    implements PKCSObjectIdentifiers, X509ObjectIdentifiers
-{
-    private Digest digest;
-    private DSA signer;
-
-    private static byte[] DEFAULT_SBOX = {
-        0xa, 0x9, 0xd, 0x6, 0xe, 0xb, 0x4, 0x5, 0xf, 0x1, 0x3, 0xc, 0x7, 0x0, 0x8, 0x2,
-        0x8, 0x0, 0xc, 0x4, 0x9, 0x6, 0x7, 0xb, 0x2, 0x3, 0x1, 0xf, 0x5, 0xe, 0xa, 0xd,
-        0xf, 0x6, 0x5, 0x8, 0xe, 0xb, 0xa, 0x4, 0xc, 0x0, 0x3, 0x7, 0x2, 0x9, 0x1, 0xd,
-        0x3, 0x8, 0xd, 0x9, 0x6, 0xb, 0xf, 0x0, 0x2, 0x5, 0xc, 0xa, 0x4, 0xe, 0x1, 0x7,
-        0xf, 0x8, 0xe, 0x9, 0x7, 0x2, 0x0, 0xd, 0xc, 0x6, 0x1, 0x5, 0xb, 0x4, 0x3, 0xa,
-        0x2, 0x8, 0x9, 0x7, 0x5, 0xf, 0x0, 0xb, 0xc, 0x1, 0xd, 0xe, 0xa, 0x3, 0x6, 0x4,
-        0x3, 0x8, 0xb, 0x5, 0x6, 0x4, 0xe, 0xa, 0x2, 0xc, 0x1, 0x7, 0x9, 0xf, 0xd, 0x0,
-        0x1, 0x2, 0x3, 0xe, 0x6, 0xd, 0xb, 0x8, 0xf, 0xa, 0xc, 0x5, 0x7, 0x9, 0x0, 0x4
-    };
-
-    public SignatureSpi()
-    {
-        //TODO: Add default ua s-box
-        //this.digest = new GOST3411Digest(DEFAULT_SBOX);
-        this.signer = new DSTU4145Signer();
-    }
-
-    protected void engineInitVerify(
-        PublicKey publicKey)
-        throws InvalidKeyException
-    {
-        CipherParameters param;
-
-        if (publicKey instanceof ECPublicKey)
-        {
-            param = ECUtil.generatePublicKeyParameter(publicKey);
-        }
-        else
-        {
-            try
-            {
-                byte[] bytes = publicKey.getEncoded();
-
-                publicKey = BouncyCastleProvider.getPublicKey(SubjectPublicKeyInfo.getInstance(bytes));
-
-                if (publicKey instanceof ECPublicKey)
-                {
-                    param = ECUtil.generatePublicKeyParameter(publicKey);
-                }
-                else
-                {
-                    throw new InvalidKeyException("can't recognise key type in DSA based signer");
-                }
-            }
-            catch (Exception e)
-            {
-                throw new InvalidKeyException("can't recognise key type in DSA based signer");
-            }
-        }
-
-        digest = new GOST3411Digest(expandSbox(((BCDSTU4145PublicKey)publicKey).getSbox()));
-        signer.init(false, param);
-    }
-
-    byte[] expandSbox(byte[] compressed)
-    {
-        byte[] expanded = new byte[128];
-
-        for (int i = 0; i < compressed.length; i++)
-        {
-            expanded[i * 2] = (byte)((compressed[i] >> 4) & 0xf);
-            expanded[i * 2 + 1] = (byte)(compressed[i] & 0xf);
-        }
-        return expanded;
-    }
-
-    protected void engineInitSign(
-        PrivateKey privateKey)
-        throws InvalidKeyException
-    {
-        CipherParameters param = null;
-
-        if (privateKey instanceof ECKey)
-        {
-            param = ECUtil.generatePrivateKeyParameter(privateKey);
-        }
-
-        digest = new GOST3411Digest(DEFAULT_SBOX);
-
-        if (appRandom != null)
-        {
-            signer.init(true, new ParametersWithRandom(param, appRandom));
-        }
-        else
-        {
-            signer.init(true, param);
-        }
-    }
-
-    protected void engineUpdate(
-        byte b)
-        throws SignatureException
-    {
-        digest.update(b);
-    }
-
-    protected void engineUpdate(
-        byte[] b,
-        int off,
-        int len)
-        throws SignatureException
-    {
-        digest.update(b, off, len);
-    }
-
-    protected byte[] engineSign()
-        throws SignatureException
-    {
-        byte[] hash = new byte[digest.getDigestSize()];
-
-        digest.doFinal(hash, 0);
-
-        try
-        {
-            BigInteger[] sig = signer.generateSignature(hash);
-            byte[] r = sig[0].toByteArray();
-            byte[] s = sig[1].toByteArray();
-
-            byte[] sigBytes = new byte[(r.length > s.length ? r.length * 2 : s.length * 2)];
-            System.arraycopy(s, 0, sigBytes, (sigBytes.length / 2) - s.length, s.length);
-            System.arraycopy(r, 0, sigBytes, sigBytes.length - r.length, r.length);
-
-            return new DEROctetString(sigBytes).getEncoded();
-        }
-        catch (Exception e)
-        {
-            throw new SignatureException(e.toString());
-        }
-    }
-
-    protected boolean engineVerify(
-        byte[] sigBytes)
-        throws SignatureException
-    {
-        byte[] hash = new byte[digest.getDigestSize()];
-
-        digest.doFinal(hash, 0);
-
-        BigInteger[] sig;
-
-        try
-        {
-            byte[] bytes = ((ASN1OctetString)ASN1OctetString.fromByteArray(sigBytes)).getOctets();
-
-            byte[] r = new byte[bytes.length / 2];
-            byte[] s = new byte[bytes.length / 2];
-
-            System.arraycopy(bytes, 0, s, 0, bytes.length / 2);
-
-            System.arraycopy(bytes, bytes.length / 2, r, 0, bytes.length / 2);
-
-            sig = new BigInteger[2];
-            sig[0] = new BigInteger(1, r);
-            sig[1] = new BigInteger(1, s);
-        }
-        catch (Exception e)
-        {
-            throw new SignatureException("error decoding signature bytes.");
-        }
-
-        return signer.verifySignature(hash, sig[0], sig[1]);
-    }
-
-    protected void engineSetParameter(
-        AlgorithmParameterSpec params)
-    {
-        throw new UnsupportedOperationException("engineSetParameter unsupported");
-    }
-
-    /**
-     * @deprecated replaced with <a href = "#engineSetParameter(java.security.spec.AlgorithmParameterSpec)">
-     */
-    protected void engineSetParameter(
-        String param,
-        Object value)
-    {
-        throw new UnsupportedOperationException("engineSetParameter unsupported");
-    }
-
-    /**
-     * @deprecated
-     */
-    protected Object engineGetParameter(
-        String param)
-    {
-        throw new UnsupportedOperationException("engineSetParameter unsupported");
-    }
-}