1 files changed, 0 insertions, 307 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/pqc/jcajce/provider/mceliece/McElieceKobaraImaiCipherSpi.java b/bcprov/src/main/java/org/bouncycastle/pqc/jcajce/provider/mceliece/McElieceKobaraImaiCipherSpi.java
deleted file mode 100644
index 36c6231..0000000
--- a/bcprov/src/main/java/org/bouncycastle/pqc/jcajce/provider/mceliece/McElieceKobaraImaiCipherSpi.java
+++ /dev/null
@@ -1,307 +0,0 @@
-package org.bouncycastle.pqc.jcajce.provider.mceliece;
-
-import java.io.ByteArrayOutputStream;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.Key;
-import java.security.NoSuchAlgorithmException;
-import java.security.PrivateKey;
-import java.security.PublicKey;
-import java.security.SecureRandom;
-import java.security.spec.AlgorithmParameterSpec;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.IllegalBlockSizeException;
-
-import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
-import org.bouncycastle.asn1.x509.X509ObjectIdentifiers;
-import org.bouncycastle.crypto.CipherParameters;
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.digests.SHA1Digest;
-import org.bouncycastle.crypto.digests.SHA224Digest;
-import org.bouncycastle.crypto.digests.SHA256Digest;
-import org.bouncycastle.crypto.digests.SHA384Digest;
-import org.bouncycastle.crypto.digests.SHA512Digest;
-import org.bouncycastle.crypto.params.ParametersWithRandom;
-import org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2KeyParameters;
-import org.bouncycastle.pqc.crypto.mceliece.McElieceKobaraImaiCipher;
-import org.bouncycastle.pqc.jcajce.provider.util.AsymmetricHybridCipher;
-
-public class McElieceKobaraImaiCipherSpi
-    extends AsymmetricHybridCipher
-    implements PKCSObjectIdentifiers, X509ObjectIdentifiers
-{
-
-    // TODO digest needed?
-    private Digest digest;
-    private McElieceKobaraImaiCipher cipher;
-
-    /**
-     * buffer to store the input data
-     */
-    private ByteArrayOutputStream buf = new ByteArrayOutputStream();
-
-
-    public McElieceKobaraImaiCipherSpi()
-    {
-        buf = new ByteArrayOutputStream();
-    }
-
-    protected McElieceKobaraImaiCipherSpi(Digest digest, McElieceKobaraImaiCipher cipher)
-    {
-        this.digest = digest;
-        this.cipher = cipher;
-        buf = new ByteArrayOutputStream();
-    }
-
-    /**
-     * Continue a multiple-part encryption or decryption operation.
-     *
-     * @param input byte array containing the next part of the input
-     * @param inOff index in the array where the input starts
-     * @param inLen length of the input
-     * @return the processed byte array.
-     */
-    public byte[] update(byte[] input, int inOff, int inLen)
-    {
-        buf.write(input, inOff, inLen);
-        return new byte[0];
-    }
-
-
-    /**
-     * Encrypts or decrypts data in a single-part operation, or finishes a
-     * multiple-part operation. The data is encrypted or decrypted, depending on
-     * how this cipher was initialized.
-     *
-     * @param input the input buffer
-     * @param inOff the offset in input where the input starts
-     * @param inLen the input length
-     * @return the new buffer with the result
-     * @throws BadPaddingException if this cipher is in decryption mode, and (un)padding has
-     * been requested, but the decrypted data is not bounded by
-     * the appropriate padding bytes
-     */
-    public byte[] doFinal(byte[] input, int inOff, int inLen)
-        throws BadPaddingException
-    {
-        update(input, inOff, inLen);
-        if (opMode == ENCRYPT_MODE)
-        {
-
-            try
-            {
-                return cipher.messageEncrypt(this.pad());
-            }
-            catch (Exception e)
-            {
-                e.printStackTrace();
-            }
-
-        }
-        else if (opMode == DECRYPT_MODE)
-        {
-            byte[] inputOfDecr = buf.toByteArray();
-            buf.reset();
-
-            try
-            {
-                return unpad(cipher.messageDecrypt(inputOfDecr));
-            }
-            catch (Exception e)
-            {
-                e.printStackTrace();
-            }
-
-        }
-        return null;
-    }
-
-    protected int encryptOutputSize(int inLen)
-    {
-        return 0;
-    }
-
-    protected int decryptOutputSize(int inLen)
-    {
-        return 0;
-    }
-
-    protected void initCipherEncrypt(Key key, AlgorithmParameterSpec params,
-                                     SecureRandom sr)
-        throws InvalidKeyException,
-        InvalidAlgorithmParameterException
-    {
-
-        buf.reset();
-        CipherParameters param;
-        param = McElieceCCA2KeysToParams.generatePublicKeyParameter((PublicKey)key);
-
-        param = new ParametersWithRandom(param, sr);
-        digest.reset();
-        cipher.init(true, param);
-    }
-
-    protected void initCipherDecrypt(Key key, AlgorithmParameterSpec params)
-        throws InvalidKeyException, InvalidAlgorithmParameterException
-    {
-
-        buf.reset();
-        CipherParameters param;
-        param = McElieceCCA2KeysToParams.generatePrivateKeyParameter((PrivateKey)key);
-
-        digest.reset();
-        cipher.init(false, param);
-    }
-
-    public String getName()
-    {
-        return "McElieceKobaraImaiCipher";
-    }
-
-    public int getKeySize(Key key)
-        throws InvalidKeyException
-    {
-        McElieceCCA2KeyParameters mcElieceCCA2KeyParameters;
-        if (key instanceof PublicKey)
-        {
-            mcElieceCCA2KeyParameters = (McElieceCCA2KeyParameters)McElieceCCA2KeysToParams.generatePublicKeyParameter((PublicKey)key);
-            return cipher.getKeySize(mcElieceCCA2KeyParameters);
-        }
-        else if (key instanceof PrivateKey)
-        {
-            mcElieceCCA2KeyParameters = (McElieceCCA2KeyParameters)McElieceCCA2KeysToParams.generatePrivateKeyParameter((PrivateKey)key);
-            return cipher.getKeySize(mcElieceCCA2KeyParameters);
-        }
-        else
-        {
-            throw new InvalidKeyException();
-        }
-
-
-    }
-
-    /**
-     * Pad and return the message stored in the message buffer.
-     *
-     * @return the padded message
-     */
-    private byte[] pad()
-    {
-        buf.write(0x01);
-        byte[] result = buf.toByteArray();
-        buf.reset();
-        return result;
-    }
-
-    /**
-     * Unpad a message.
-     *
-     * @param pmBytes the padded message
-     * @return the message
-     * @throws BadPaddingException if the padded message is invalid.
-     */
-    private byte[] unpad(byte[] pmBytes)
-        throws BadPaddingException
-    {
-        // find first non-zero byte
-        int index;
-        for (index = pmBytes.length - 1; index >= 0 && pmBytes[index] == 0; index--)
-        {
-            ;
-        }
-
-        // check if padding byte is valid
-        if (pmBytes[index] != 0x01)
-        {
-            throw new BadPaddingException("invalid ciphertext");
-        }
-
-        // extract and return message
-        byte[] mBytes = new byte[index];
-        System.arraycopy(pmBytes, 0, mBytes, 0, index);
-        return mBytes;
-    }
-
-
-    public byte[] messageEncrypt()
-        throws IllegalBlockSizeException, BadPaddingException, NoSuchAlgorithmException
-    {
-        byte[] output = null;
-        try
-        {
-            output = cipher.messageEncrypt((this.pad()));
-        }
-        catch (Exception e)
-        {
-            e.printStackTrace();
-        }
-        return output;
-    }
-
-
-    public byte[] messageDecrypt()
-        throws IllegalBlockSizeException, BadPaddingException, NoSuchAlgorithmException
-    {
-        byte[] output = null;
-        byte[] inputOfDecr = buf.toByteArray();
-        buf.reset();
-        try
-        {
-            output = unpad(cipher.messageDecrypt(inputOfDecr));
-        }
-        catch (Exception e)
-        {
-            e.printStackTrace();
-        }
-        return output;
-    }
-
-
-    static public class McElieceKobaraImai
-        extends McElieceKobaraImaiCipherSpi
-    {
-        public McElieceKobaraImai()
-        {
-            super(new SHA1Digest(), new McElieceKobaraImaiCipher());
-        }
-    }
-
-    static public class McElieceKobaraImai224
-        extends McElieceKobaraImaiCipherSpi
-    {
-        public McElieceKobaraImai224()
-        {
-            super(new SHA224Digest(), new McElieceKobaraImaiCipher());
-        }
-    }
-
-    static public class McElieceKobaraImai256
-        extends McElieceKobaraImaiCipherSpi
-    {
-        public McElieceKobaraImai256()
-        {
-            super(new SHA256Digest(), new McElieceKobaraImaiCipher());
-        }
-    }
-
-    static public class McElieceKobaraImai384
-        extends McElieceKobaraImaiCipherSpi
-    {
-        public McElieceKobaraImai384()
-        {
-            super(new SHA384Digest(), new McElieceKobaraImaiCipher());
-        }
-    }
-
-    static public class McElieceKobaraImai512
-        extends McElieceKobaraImaiCipherSpi
-    {
-        public McElieceKobaraImai512()
-        {
-            super(new SHA512Digest(), new McElieceKobaraImaiCipher());
-        }
-    }
-
-
-}