package org.bouncycastle.jce.provider.symmetric;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;
import java.util.HashMap;
import javax.crypto.spec.IvParameterSpec;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.crypto.BufferedBlockCipher;
import org.bouncycastle.crypto.CipherKeyGenerator;
import org.bouncycastle.crypto.engines.AESFastEngine;
import org.bouncycastle.crypto.engines.AESWrapEngine;
// BEGIN android-removed
// import org.bouncycastle.crypto.engines.RFC3211WrapEngine;
// import org.bouncycastle.crypto.macs.CMac;
// END android-removed
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.modes.CFBBlockCipher;
import org.bouncycastle.crypto.modes.OFBBlockCipher;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.jce.provider.JCEBlockCipher;
import org.bouncycastle.jce.provider.JCEKeyGenerator;
import org.bouncycastle.jce.provider.JCEMac;
import org.bouncycastle.jce.provider.JDKAlgorithmParameterGenerator;
import org.bouncycastle.jce.provider.JDKAlgorithmParameters;
import org.bouncycastle.jce.provider.WrapCipherSpi;
public final class AES
{
private AES()
{
}
public static class ECB
extends JCEBlockCipher
{
public ECB()
{
super(new AESFastEngine());
}
}
// BEGIN android-removed
// public static class CBC
// extends JCEBlockCipher
// {
// public CBC()
// {
// super(new CBCBlockCipher(new AESFastEngine()), 128);
// }
// }
//
// static public class CFB
// extends JCEBlockCipher
// {
// public CFB()
// {
// super(new BufferedBlockCipher(new CFBBlockCipher(new AESFastEngine(), 128)), 128);
// }
// }
//
// static public class OFB
// extends JCEBlockCipher
// {
// public OFB()
// {
// super(new BufferedBlockCipher(new OFBBlockCipher(new AESFastEngine(), 128)), 128);
// }
// }
//
// public static class AESCMAC
// extends JCEMac
// {
// public AESCMAC()
// {
// super(new CMac(new AESFastEngine()));
// }
// }
// END android-removed
static public class Wrap
extends WrapCipherSpi
{
public Wrap()
{
super(new AESWrapEngine());
}
}
// BEGIN android-removed
// public static class RFC3211Wrap
// extends WrapCipherSpi
// {
// public RFC3211Wrap()
// {
// super(new RFC3211WrapEngine(new AESFastEngine()), 16);
// }
// }
// END android-removed
public static class KeyGen
extends JCEKeyGenerator
{
public KeyGen()
{
this(192);
}
public KeyGen(int keySize)
{
super("AES", keySize, new CipherKeyGenerator());
}
}
// BEGIN android-removed
// public static class KeyGen128
// extends KeyGen
// {
// public KeyGen128()
// {
// super(128);
// }
// }
//
// public static class KeyGen192
// extends KeyGen
// {
// public KeyGen192()
// {
// super(192);
// }
// }
//
// public static class KeyGen256
// extends KeyGen
// {
// public KeyGen256()
// {
// super(256);
// }
// }
//
// public static class AlgParamGen
// extends JDKAlgorithmParameterGenerator
// {
// protected void engineInit(
// AlgorithmParameterSpec genParamSpec,
// SecureRandom random)
// throws InvalidAlgorithmParameterException
// {
// throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for AES parameter generation.");
// }
//
// protected AlgorithmParameters engineGenerateParameters()
// {
// byte[] iv = new byte[16];
//
// if (random == null)
// {
// random = new SecureRandom();
// }
//
// random.nextBytes(iv);
//
// AlgorithmParameters params;
//
// try
// {
// params = AlgorithmParameters.getInstance("AES", BouncyCastleProvider.PROVIDER_NAME);
// params.init(new IvParameterSpec(iv));
// }
// catch (Exception e)
// {
// throw new RuntimeException(e.getMessage());
// }
//
// return params;
// }
// }
// END android-removed
public static class AlgParams
extends JDKAlgorithmParameters.IVAlgorithmParameters
{
protected String engineToString()
{
return "AES IV";
}
}
public static class Mappings
extends HashMap
{
/**
* These three got introduced in some messages as a result of a typo in an
* early document. We don't produce anything using these OID values, but we'll
* read them.
*/
private static final String wrongAES128 = "2.16.840.1.101.3.4.2";
private static final String wrongAES192 = "2.16.840.1.101.3.4.22";
private static final String wrongAES256 = "2.16.840.1.101.3.4.42";
public Mappings()
{
put("AlgorithmParameters.AES", "org.bouncycastle.jce.provider.symmetric.AES$AlgParams");
put("Alg.Alias.AlgorithmParameters." + wrongAES128, "AES");
put("Alg.Alias.AlgorithmParameters." + wrongAES192, "AES");
put("Alg.Alias.AlgorithmParameters." + wrongAES256, "AES");
put("Alg.Alias.AlgorithmParameters." + NISTObjectIdentifiers.id_aes128_CBC, "AES");
put("Alg.Alias.AlgorithmParameters." + NISTObjectIdentifiers.id_aes192_CBC, "AES");
put("Alg.Alias.AlgorithmParameters." + NISTObjectIdentifiers.id_aes256_CBC, "AES");
// BEGIN android-removed
// put("AlgorithmParameterGenerator.AES", "org.bouncycastle.jce.provider.symmetric.AES$AlgParamGen");
// put("Alg.Alias.AlgorithmParameterGenerator." + wrongAES128, "AES");
// put("Alg.Alias.AlgorithmParameterGenerator." + wrongAES192, "AES");
// put("Alg.Alias.AlgorithmParameterGenerator." + wrongAES256, "AES");
// put("Alg.Alias.AlgorithmParameterGenerator." + NISTObjectIdentifiers.id_aes128_CBC, "AES");
// put("Alg.Alias.AlgorithmParameterGenerator." + NISTObjectIdentifiers.id_aes192_CBC, "AES");
// put("Alg.Alias.AlgorithmParameterGenerator." + NISTObjectIdentifiers.id_aes256_CBC, "AES");
// END android-removed
put("Cipher.AES", "org.bouncycastle.jce.provider.symmetric.AES$ECB");
put("Alg.Alias.Cipher." + wrongAES128, "AES");
put("Alg.Alias.Cipher." + wrongAES192, "AES");
put("Alg.Alias.Cipher." + wrongAES256, "AES");
// BEGIN android-removed
// put("Cipher." + NISTObjectIdentifiers.id_aes128_ECB, "org.bouncycastle.jce.provider.symmetric.AES$ECB");
// put("Cipher." + NISTObjectIdentifiers.id_aes192_ECB, "org.bouncycastle.jce.provider.symmetric.AES$ECB");
// put("Cipher." + NISTObjectIdentifiers.id_aes256_ECB, "org.bouncycastle.jce.provider.symmetric.AES$ECB");
// put("Cipher." + NISTObjectIdentifiers.id_aes128_CBC, "org.bouncycastle.jce.provider.symmetric.AES$CBC");
// put("Cipher." + NISTObjectIdentifiers.id_aes192_CBC, "org.bouncycastle.jce.provider.symmetric.AES$CBC");
// put("Cipher." + NISTObjectIdentifiers.id_aes256_CBC, "org.bouncycastle.jce.provider.symmetric.AES$CBC");
// put("Cipher." + NISTObjectIdentifiers.id_aes128_OFB, "org.bouncycastle.jce.provider.symmetric.AES$OFB");
// put("Cipher." + NISTObjectIdentifiers.id_aes192_OFB, "org.bouncycastle.jce.provider.symmetric.AES$OFB");
// put("Cipher." + NISTObjectIdentifiers.id_aes256_OFB, "org.bouncycastle.jce.provider.symmetric.AES$OFB");
// put("Cipher." + NISTObjectIdentifiers.id_aes128_CFB, "org.bouncycastle.jce.provider.symmetric.AES$CFB");
// put("Cipher." + NISTObjectIdentifiers.id_aes192_CFB, "org.bouncycastle.jce.provider.symmetric.AES$CFB");
// put("Cipher." + NISTObjectIdentifiers.id_aes256_CFB, "org.bouncycastle.jce.provider.symmetric.AES$CFB");
// END android-removed
put("Cipher.AESWRAP", "org.bouncycastle.jce.provider.symmetric.AES$Wrap");
put("Alg.Alias.Cipher." + NISTObjectIdentifiers.id_aes128_wrap, "AESWRAP");
put("Alg.Alias.Cipher." + NISTObjectIdentifiers.id_aes192_wrap, "AESWRAP");
put("Alg.Alias.Cipher." + NISTObjectIdentifiers.id_aes256_wrap, "AESWRAP");
// BEGIN android-removed
// put("Cipher.AESRFC3211WRAP", "org.bouncycastle.jce.provider.symmetric.AES$RFC3211Wrap");
// END android-removed
put("KeyGenerator.AES", "org.bouncycastle.jce.provider.symmetric.AES$KeyGen");
// BEGIN android-removed
// put("KeyGenerator.2.16.840.1.101.3.4.2", "org.bouncycastle.jce.provider.symmetric.AES$KeyGen128");
// put("KeyGenerator.2.16.840.1.101.3.4.22", "org.bouncycastle.jce.provider.symmetric.AES$KeyGen192");
// put("KeyGenerator.2.16.840.1.101.3.4.42", "org.bouncycastle.jce.provider.symmetric.AES$KeyGen256");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes128_ECB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen128");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes128_CBC, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen128");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes128_OFB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen128");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes128_CFB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen128");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes192_ECB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen192");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes192_CBC, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen192");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes192_OFB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen192");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes192_CFB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen192");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes256_ECB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen256");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes256_CBC, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen256");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes256_OFB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen256");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes256_CFB, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen256");
// put("KeyGenerator.AESWRAP", "org.bouncycastle.jce.provider.symmetric.AES$KeyGen");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes128_wrap, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen128");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes192_wrap, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen192");
// put("KeyGenerator." + NISTObjectIdentifiers.id_aes256_wrap, "org.bouncycastle.jce.provider.symmetric.AES$KeyGen256");
//
// put("Mac.AESCMAC", "org.bouncycastle.jce.provider.symmetric.AES$AESCMAC");
// END android-removed
}
}
}