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package org.bouncycastle.jcajce.provider.symmetric;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;
import javax.crypto.spec.IvParameterSpec;
import org.bouncycastle.asn1.ntt.NTTObjectIdentifiers;
import org.bouncycastle.crypto.BlockCipher;
import org.bouncycastle.crypto.CipherKeyGenerator;
import org.bouncycastle.crypto.engines.CamelliaEngine;
import org.bouncycastle.crypto.engines.CamelliaWrapEngine;
import org.bouncycastle.crypto.engines.RFC3211WrapEngine;
import org.bouncycastle.crypto.macs.GMac;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.modes.GCMBlockCipher;
import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher;
import org.bouncycastle.jcajce.provider.symmetric.util.BlockCipherProvider;
import org.bouncycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
public final class Camellia
{
private Camellia()
{
}
public static class ECB
extends BaseBlockCipher
{
public ECB()
{
super(new BlockCipherProvider()
{
public BlockCipher get()
{
return new CamelliaEngine();
}
});
}
}
public static class CBC
extends BaseBlockCipher
{
public CBC()
{
super(new CBCBlockCipher(new CamelliaEngine()), 128);
}
}
public static class Wrap
extends BaseWrapCipher
{
public Wrap()
{
super(new CamelliaWrapEngine());
}
}
public static class RFC3211Wrap
extends BaseWrapCipher
{
public RFC3211Wrap()
{
super(new RFC3211WrapEngine(new CamelliaEngine()), 16);
}
}
public static class GMAC
extends BaseMac
{
public GMAC()
{
super(new GMac(new GCMBlockCipher(new CamelliaEngine())));
}
}
public static class KeyGen
extends BaseKeyGenerator
{
public KeyGen()
{
this(256);
}
public KeyGen(int keySize)
{
super("Camellia", keySize, new CipherKeyGenerator());
}
}
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 BaseAlgorithmParameterGenerator
{
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for Camellia 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("Camellia", BouncyCastleProvider.PROVIDER_NAME);
params.init(new IvParameterSpec(iv));
}
catch (Exception e)
{
throw new RuntimeException(e.getMessage());
}
return params;
}
}
public static class AlgParams
extends IvAlgorithmParameters
{
protected String engineToString()
{
return "Camellia IV";
}
}
public static class Mappings
extends SymmetricAlgorithmProvider
{
private static final String PREFIX = Camellia.class.getName();
public Mappings()
{
}
public void configure(ConfigurableProvider provider)
{
provider.addAlgorithm("AlgorithmParameters.CAMELLIA", PREFIX + "$AlgParams");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + NTTObjectIdentifiers.id_camellia128_cbc, "CAMELLIA");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + NTTObjectIdentifiers.id_camellia192_cbc, "CAMELLIA");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + NTTObjectIdentifiers.id_camellia256_cbc, "CAMELLIA");
provider.addAlgorithm("AlgorithmParameterGenerator.CAMELLIA", PREFIX + "$AlgParamGen");
provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + NTTObjectIdentifiers.id_camellia128_cbc, "CAMELLIA");
provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + NTTObjectIdentifiers.id_camellia192_cbc, "CAMELLIA");
provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + NTTObjectIdentifiers.id_camellia256_cbc, "CAMELLIA");
provider.addAlgorithm("Cipher.CAMELLIA", PREFIX + "$ECB");
provider.addAlgorithm("Cipher." + NTTObjectIdentifiers.id_camellia128_cbc, PREFIX + "$CBC");
provider.addAlgorithm("Cipher." + NTTObjectIdentifiers.id_camellia192_cbc, PREFIX + "$CBC");
provider.addAlgorithm("Cipher." + NTTObjectIdentifiers.id_camellia256_cbc, PREFIX + "$CBC");
provider.addAlgorithm("Cipher.CAMELLIARFC3211WRAP", PREFIX + "$RFC3211Wrap");
provider.addAlgorithm("Cipher.CAMELLIAWRAP", PREFIX + "$Wrap");
provider.addAlgorithm("Alg.Alias.Cipher." + NTTObjectIdentifiers.id_camellia128_wrap, "CAMELLIAWRAP");
provider.addAlgorithm("Alg.Alias.Cipher." + NTTObjectIdentifiers.id_camellia192_wrap, "CAMELLIAWRAP");
provider.addAlgorithm("Alg.Alias.Cipher." + NTTObjectIdentifiers.id_camellia256_wrap, "CAMELLIAWRAP");
provider.addAlgorithm("KeyGenerator.CAMELLIA", PREFIX + "$KeyGen");
provider.addAlgorithm("KeyGenerator." + NTTObjectIdentifiers.id_camellia128_wrap, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator." + NTTObjectIdentifiers.id_camellia192_wrap, PREFIX + "$KeyGen192");
provider.addAlgorithm("KeyGenerator." + NTTObjectIdentifiers.id_camellia256_wrap, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator." + NTTObjectIdentifiers.id_camellia128_cbc, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator." + NTTObjectIdentifiers.id_camellia192_cbc, PREFIX + "$KeyGen192");
provider.addAlgorithm("KeyGenerator." + NTTObjectIdentifiers.id_camellia256_cbc, PREFIX + "$KeyGen256");
addGMacAlgorithm(provider, "CAMELLIA", PREFIX + "$GMAC", PREFIX + "$KeyGen");
}
}
}
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