1 files changed, 0 insertions, 116 deletions
diff --git a/OpenKeychain/src/main/java/org/spongycastle/openpgp/operator/jcajce/SessionKeySecretKeyDecryptorBuilder.java b/OpenKeychain/src/main/java/org/spongycastle/openpgp/operator/jcajce/SessionKeySecretKeyDecryptorBuilder.java
deleted file mode 100644
index 36fe06dfa..000000000
--- a/OpenKeychain/src/main/java/org/spongycastle/openpgp/operator/jcajce/SessionKeySecretKeyDecryptorBuilder.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/**
- * Copyright (c) 2016 Vincent Breitmoser
- *
- * Licensed under the Bouncy Castle License (MIT license). See LICENSE file for details.
- */
-
-package org.spongycastle.openpgp.operator.jcajce;
-
-
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.Provider;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.spec.IvParameterSpec;
-import org.spongycastle.bcpg.S2K;
-import org.spongycastle.jcajce.util.DefaultJcaJceHelper;
-import org.spongycastle.jcajce.util.NamedJcaJceHelper;
-import org.spongycastle.jcajce.util.ProviderJcaJceHelper;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor;
-import org.spongycastle.openpgp.operator.PGPDigestCalculatorProvider;
-
-
-/** This is a builder for a special PBESecretKeyDecryptor which is parametrized by a
- * fixed session key, which is used in place of the one obtained from a passphrase.
- */
-public class SessionKeySecretKeyDecryptorBuilder
-{
-    private OperatorHelper helper = new OperatorHelper(new DefaultJcaJceHelper());
-    private PGPDigestCalculatorProvider calculatorProvider;
-
-    private JcaPGPDigestCalculatorProviderBuilder calculatorProviderBuilder;
-
-    public SessionKeySecretKeyDecryptorBuilder()
-    {
-        this.calculatorProviderBuilder = new JcaPGPDigestCalculatorProviderBuilder();
-    }
-
-    public SessionKeySecretKeyDecryptorBuilder(PGPDigestCalculatorProvider calculatorProvider)
-    {
-        this.calculatorProvider = calculatorProvider;
-    }
-
-    public SessionKeySecretKeyDecryptorBuilder setProvider(Provider provider)
-    {
-        this.helper = new OperatorHelper(new ProviderJcaJceHelper(provider));
-
-        if (calculatorProviderBuilder != null)
-        {
-            calculatorProviderBuilder.setProvider(provider);
-        }
-
-        return this;
-    }
-
-    public SessionKeySecretKeyDecryptorBuilder setProvider(String providerName)
-    {
-        this.helper = new OperatorHelper(new NamedJcaJceHelper(providerName));
-
-        if (calculatorProviderBuilder != null)
-        {
-            calculatorProviderBuilder.setProvider(providerName);
-        }
-
-        return this;
-    }
-
-    public PBESecretKeyDecryptor build(final byte[] sessionKey)
-        throws PGPException
-    {
-        if (calculatorProvider == null)
-        {
-            calculatorProvider = calculatorProviderBuilder.build();
-        }
-
-        return new PBESecretKeyDecryptor(null, calculatorProvider)
-        {
-            @Override
-            public byte[] makeKeyFromPassPhrase(int keyAlgorithm, S2K s2k) throws PGPException {
-                return sessionKey;
-            }
-
-            public byte[] recoverKeyData(int encAlgorithm, byte[] key, byte[] iv, byte[] keyData, int keyOff, int keyLen)
-                throws PGPException
-            {
-                try
-                {
-                    Cipher c = helper.createCipher(PGPUtil.getSymmetricCipherName(encAlgorithm) + "/CFB/NoPadding");
-
-                    c.init(Cipher.DECRYPT_MODE, PGPUtil.makeSymmetricKey(encAlgorithm, key), new IvParameterSpec(iv));
-
-                    return c.doFinal(keyData, keyOff, keyLen);
-                }
-                catch (IllegalBlockSizeException e)
-                {
-                    throw new PGPException("illegal block size: " + e.getMessage(), e);
-                }
-                catch (BadPaddingException e)
-                {
-                    throw new PGPException("bad padding: " + e.getMessage(), e);
-                }
-                catch (InvalidAlgorithmParameterException e)
-                {
-                    throw new PGPException("invalid parameter: " + e.getMessage(), e);
-                }
-                catch (InvalidKeyException e)
-                {
-                    throw new PGPException("invalid key: " + e.getMessage(), e);
-                }
-            }
-        };
-    }
-}