aboutsummaryrefslogtreecommitdiffstats
path: root/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/jcajce/JcePGPDataEncryptorBuilder.java
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/jcajce/JcePGPDataEncryptorBuilder.java')
-rw-r--r--libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/jcajce/JcePGPDataEncryptorBuilder.java146
1 files changed, 0 insertions, 146 deletions
diff --git a/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/jcajce/JcePGPDataEncryptorBuilder.java b/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/jcajce/JcePGPDataEncryptorBuilder.java
deleted file mode 100644
index ba6e793ba..000000000
--- a/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/operator/jcajce/JcePGPDataEncryptorBuilder.java
+++ /dev/null
@@ -1,146 +0,0 @@
-package org.spongycastle.openpgp.operator.jcajce;
-
-import java.io.OutputStream;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.Provider;
-import java.security.SecureRandom;
-
-import javax.crypto.Cipher;
-import javax.crypto.CipherOutputStream;
-import javax.crypto.spec.IvParameterSpec;
-
-import org.spongycastle.jcajce.DefaultJcaJceHelper;
-import org.spongycastle.jcajce.NamedJcaJceHelper;
-import org.spongycastle.jcajce.ProviderJcaJceHelper;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.operator.PGPDataEncryptor;
-import org.spongycastle.openpgp.operator.PGPDataEncryptorBuilder;
-import org.spongycastle.openpgp.operator.PGPDigestCalculator;
-
-public class JcePGPDataEncryptorBuilder
- implements PGPDataEncryptorBuilder
-{
- private OperatorHelper helper = new OperatorHelper(new DefaultJcaJceHelper());
- private SecureRandom random;
- private boolean withIntegrityPacket;
- private int encAlgorithm;
-
- public JcePGPDataEncryptorBuilder(int encAlgorithm)
- {
- this.encAlgorithm = encAlgorithm;
-
- if (encAlgorithm == 0)
- {
- throw new IllegalArgumentException("null cipher specified");
- }
- }
-
- /**
- * Determine whether or not the resulting encrypted data will be protected using an integrity packet.
- *
- * @param withIntegrityPacket true if an integrity packet is to be included, false otherwise.
- * @return the current builder.
- */
- public JcePGPDataEncryptorBuilder setWithIntegrityPacket(boolean withIntegrityPacket)
- {
- this.withIntegrityPacket = withIntegrityPacket;
-
- return this;
- }
-
- public JcePGPDataEncryptorBuilder setProvider(Provider provider)
- {
- this.helper = new OperatorHelper(new ProviderJcaJceHelper(provider));
-
- return this;
- }
-
- public JcePGPDataEncryptorBuilder setProvider(String providerName)
- {
- this.helper = new OperatorHelper(new NamedJcaJceHelper(providerName));
-
- return this;
- }
-
- /**
- * Provide a user defined source of randomness.
- *
- * @param random the secure random to be used.
- * @return the current builder.
- */
- public JcePGPDataEncryptorBuilder setSecureRandom(SecureRandom random)
- {
- this.random = random;
-
- return this;
- }
-
- public int getAlgorithm()
- {
- return encAlgorithm;
- }
-
- public SecureRandom getSecureRandom()
- {
- if (random == null)
- {
- random = new SecureRandom();
- }
-
- return random;
- }
-
- public PGPDataEncryptor build(byte[] keyBytes)
- throws PGPException
- {
- return new MyPGPDataEncryptor(keyBytes);
- }
-
- private class MyPGPDataEncryptor
- implements PGPDataEncryptor
- {
- private final Cipher c;
-
- MyPGPDataEncryptor(byte[] keyBytes)
- throws PGPException
- {
- c = helper.createStreamCipher(encAlgorithm, withIntegrityPacket);
-
- byte[] iv = new byte[c.getBlockSize()];
-
- try
- {
- c.init(Cipher.ENCRYPT_MODE, PGPUtil.makeSymmetricKey(encAlgorithm, keyBytes), new IvParameterSpec(iv));
- }
- catch (InvalidKeyException e)
- {
- throw new PGPException("invalid key: " + e.getMessage(), e);
- }
- catch (InvalidAlgorithmParameterException e)
- {
- throw new PGPException("imvalid algorithm parameter: " + e.getMessage(), e);
- }
- }
-
- public OutputStream getOutputStream(OutputStream out)
- {
- return new CipherOutputStream(out, c);
- }
-
- public PGPDigestCalculator getIntegrityCalculator()
- {
- if (withIntegrityPacket)
- {
- return new SHA1PGPDigestCalculator();
- }
-
- return null;
- }
-
- public int getBlockSize()
- {
- return c.getBlockSize();
- }
- }
-}