1 files changed, 0 insertions, 100 deletions
diff --git a/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/bc/BcPublicKeyDataDecryptorFactory.java b/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/bc/BcPublicKeyDataDecryptorFactory.java
deleted file mode 100644
index f4844cabb..000000000
--- a/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/bc/BcPublicKeyDataDecryptorFactory.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package org.spongycastle.openpgp.operator.bc;
-
-import org.spongycastle.crypto.AsymmetricBlockCipher;
-import org.spongycastle.crypto.BlockCipher;
-import org.spongycastle.crypto.BufferedAsymmetricBlockCipher;
-import org.spongycastle.crypto.InvalidCipherTextException;
-import org.spongycastle.crypto.params.AsymmetricKeyParameter;
-import org.spongycastle.crypto.params.ElGamalPrivateKeyParameters;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPPrivateKey;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.operator.PGPDataDecryptor;
-import org.spongycastle.openpgp.operator.PublicKeyDataDecryptorFactory;
-
-/**
- * A decryptor factory for handling public key decryption operations.
- */
-public class BcPublicKeyDataDecryptorFactory
-    implements PublicKeyDataDecryptorFactory
-{
-    private BcPGPKeyConverter keyConverter = new BcPGPKeyConverter();
-    private PGPPrivateKey privKey;
-
-    public BcPublicKeyDataDecryptorFactory(PGPPrivateKey privKey)
-    {
-        this.privKey = privKey;
-    }
-
-    public byte[] recoverSessionData(int keyAlgorithm, byte[][] secKeyData)
-        throws PGPException
-    {
-        try
-        {
-            AsymmetricBlockCipher c = BcImplProvider.createPublicKeyCipher(keyAlgorithm);
-
-            AsymmetricKeyParameter key = keyConverter.getPrivateKey(privKey);
-
-            BufferedAsymmetricBlockCipher c1 = new BufferedAsymmetricBlockCipher(c);
-
-            c1.init(false, key);
-
-            if (keyAlgorithm == PGPPublicKey.RSA_ENCRYPT
-                || keyAlgorithm == PGPPublicKey.RSA_GENERAL)
-            {
-                byte[] bi = secKeyData[0];
-
-                c1.processBytes(bi, 2, bi.length - 2);
-            }
-            else
-            {
-                BcPGPKeyConverter converter = new BcPGPKeyConverter();
-                ElGamalPrivateKeyParameters parms = (ElGamalPrivateKeyParameters) converter.getPrivateKey(privKey);
-                int size = (parms.getParameters().getP().bitLength() + 7) / 8;
-                byte[] tmp = new byte[size];
-
-                byte[] bi = secKeyData[0]; // encoded MPI
-                if (bi.length - 2 > size)  // leading Zero? Shouldn't happen but...
-                {
-                    c1.processBytes(bi, 3, bi.length - 3);
-                }
-                else
-                {
-                    System.arraycopy(bi, 2, tmp, tmp.length - (bi.length - 2), bi.length - 2);
-                    c1.processBytes(tmp, 0, tmp.length);
-                }
-
-                bi = secKeyData[1];  // encoded MPI
-                for (int i = 0; i != tmp.length; i++)
-                {
-                    tmp[i] = 0;
-                }
-
-                if (bi.length - 2 > size) // leading Zero? Shouldn't happen but...
-                {
-                    c1.processBytes(bi, 3, bi.length - 3);
-                }
-                else
-                {
-                    System.arraycopy(bi, 2, tmp, tmp.length - (bi.length - 2), bi.length - 2);
-                    c1.processBytes(tmp, 0, tmp.length);
-                }
-            }
-
-            return c1.doFinal();
-        }
-        catch (InvalidCipherTextException e)
-        {
-            throw new PGPException("exception encrypting session info: " + e.getMessage(), e);
-        }
-
-    }
-
-    public PGPDataDecryptor createDataDecryptor(boolean withIntegrityPacket, int encAlgorithm, byte[] key)
-        throws PGPException
-    {
-        BlockCipher engine = BcImplProvider.createBlockCipher(encAlgorithm);
-
-        return BcUtil.createDataDecryptor(withIntegrityPacket, engine, key);
-    }
-}