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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 and up.
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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.ua.UAObjectIdentifiers;
import org.bouncycastle.crypto.BlockCipher;
import org.bouncycastle.crypto.BufferedBlockCipher;
import org.bouncycastle.crypto.CipherKeyGenerator;
import org.bouncycastle.crypto.CryptoServicesRegistrar;
import org.bouncycastle.crypto.engines.DSTU7624Engine;
import org.bouncycastle.crypto.engines.DSTU7624WrapEngine;
import org.bouncycastle.crypto.macs.KGMac;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.modes.CFBBlockCipher;
import org.bouncycastle.crypto.modes.KCCMBlockCipher;
import org.bouncycastle.crypto.modes.KCTRBlockCipher;
import org.bouncycastle.crypto.modes.KGCMBlockCipher;
import org.bouncycastle.crypto.modes.OFBBlockCipher;
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;
public class DSTU7624
{
private DSTU7624()
{
}
public static class ECB
extends BaseBlockCipher
{
public ECB()
{
super(new BlockCipherProvider()
{
public BlockCipher get()
{
return new DSTU7624Engine(128);
}
});
}
}
// these next three allow some variation on the keysize used in each case.
public static class ECB_128
extends BaseBlockCipher
{
public ECB_128()
{
super(new DSTU7624Engine(128));
}
}
public static class ECB_256
extends BaseBlockCipher
{
public ECB_256()
{
super(new DSTU7624Engine(256));
}
}
public static class ECB_512
extends BaseBlockCipher
{
public ECB_512()
{
super(new DSTU7624Engine(512));
}
}
// what follows is fixed with a key size the same as the block size.
public static class ECB128
extends BaseBlockCipher
{
public ECB128()
{ // TODO: key size is also meant to be fixed
super(new DSTU7624Engine(128));
}
}
public static class ECB256
extends BaseBlockCipher
{
public ECB256()
{
super(new DSTU7624Engine(256));
}
}
public static class ECB512
extends BaseBlockCipher
{
public ECB512()
{
super(new DSTU7624Engine(512));
}
}
public static class CBC128
extends BaseBlockCipher
{
public CBC128()
{ // TODO: key size is also meant to be fixed
super(new CBCBlockCipher(new DSTU7624Engine(128)), 128);
}
}
public static class CBC256
extends BaseBlockCipher
{
public CBC256()
{
super(new CBCBlockCipher(new DSTU7624Engine(256)), 256);
}
}
public static class CBC512
extends BaseBlockCipher
{
public CBC512()
{
super(new CBCBlockCipher(new DSTU7624Engine(512)), 512);
}
}
public static class OFB128
extends BaseBlockCipher
{
public OFB128()
{ // TODO: key size is also meant to be fixed
super(new BufferedBlockCipher(new OFBBlockCipher(new DSTU7624Engine(128), 128)), 128);
}
}
public static class OFB256
extends BaseBlockCipher
{
public OFB256()
{
super(new BufferedBlockCipher(new OFBBlockCipher(new DSTU7624Engine(256), 256)), 256);
}
}
public static class OFB512
extends BaseBlockCipher
{
public OFB512()
{
super(new BufferedBlockCipher(new OFBBlockCipher(new DSTU7624Engine(512), 512)), 512);
}
}
public static class CFB128
extends BaseBlockCipher
{
public CFB128()
{ // TODO: key size is also meant to be fixed
super(new BufferedBlockCipher(new CFBBlockCipher(new DSTU7624Engine(128), 128)), 128);
}
}
public static class CFB256
extends BaseBlockCipher
{
public CFB256()
{
super(new BufferedBlockCipher(new CFBBlockCipher(new DSTU7624Engine(256), 256)), 256);
}
}
public static class CFB512
extends BaseBlockCipher
{
public CFB512()
{
super(new BufferedBlockCipher(new CFBBlockCipher(new DSTU7624Engine(512), 512)), 512);
}
}
public static class CTR128
extends BaseBlockCipher
{
public CTR128()
{ // TODO: key size is also meant to be fixed
super(new BufferedBlockCipher(new KCTRBlockCipher(new DSTU7624Engine(128))), 128);
}
}
public static class CTR256
extends BaseBlockCipher
{
public CTR256()
{
super(new BufferedBlockCipher(new KCTRBlockCipher(new DSTU7624Engine(256))), 256);
}
}
public static class CTR512
extends BaseBlockCipher
{
public CTR512()
{
super(new BufferedBlockCipher(new KCTRBlockCipher(new DSTU7624Engine(512))), 512);
}
}
public static class CCM128
extends BaseBlockCipher
{
public CCM128()
{ // TODO: key size is also meant to be fixed
super(new KCCMBlockCipher(new DSTU7624Engine(128)));
}
}
public static class CCM256
extends BaseBlockCipher
{
public CCM256()
{
super(new KCCMBlockCipher(new DSTU7624Engine(256)));
}
}
public static class CCM512
extends BaseBlockCipher
{
public CCM512()
{
super(new KCCMBlockCipher(new DSTU7624Engine(512)));
}
}
public static class GCM128
extends BaseBlockCipher
{
public GCM128()
{ // TODO: key size is also meant to be fixed
super(new KGCMBlockCipher(new DSTU7624Engine(128)));
}
}
public static class GCM256
extends BaseBlockCipher
{
public GCM256()
{
super(new KGCMBlockCipher(new DSTU7624Engine(256)));
}
}
public static class GCM512
extends BaseBlockCipher
{
public GCM512()
{
super(new KGCMBlockCipher(new DSTU7624Engine(512)));
}
}
public static class Wrap
extends BaseWrapCipher
{
public Wrap()
{
super(new DSTU7624WrapEngine(128));
}
}
public static class Wrap128
extends BaseWrapCipher
{
public Wrap128()
{
super(new DSTU7624WrapEngine(128));
}
}
public static class Wrap256
extends BaseWrapCipher
{
public Wrap256()
{
super(new DSTU7624WrapEngine(256));
}
}
public static class Wrap512
extends BaseWrapCipher
{
public Wrap512()
{
super(new DSTU7624WrapEngine(512));
}
}
public static class GMAC
extends BaseMac
{
public GMAC()
{
super(new KGMac(new KGCMBlockCipher(new DSTU7624Engine(128)), 128));
}
}
// TODO: enforce key size restriction
public static class GMAC128
extends BaseMac
{
public GMAC128()
{
super(new KGMac(new KGCMBlockCipher(new DSTU7624Engine(128)), 128));
}
}
public static class GMAC256
extends BaseMac
{
public GMAC256()
{
super(new KGMac(new KGCMBlockCipher(new DSTU7624Engine(256)), 256));
}
}
public static class GMAC512
extends BaseMac
{
public GMAC512()
{
super(new KGMac(new KGCMBlockCipher(new DSTU7624Engine(512)), 512));
}
}
public static class KeyGen
extends BaseKeyGenerator
{
public KeyGen()
{
this(256);
}
public KeyGen(int keySize)
{
super("DSTU7624", keySize, new CipherKeyGenerator());
}
}
public static class KeyGen128
extends DSTU7624.KeyGen
{
public KeyGen128()
{
super(128);
}
}
public static class KeyGen256
extends DSTU7624.KeyGen
{
public KeyGen256()
{
super(256);
}
}
public static class KeyGen512
extends DSTU7624.KeyGen
{
public KeyGen512()
{
super(512);
}
}
public static class AlgParamGen
extends BaseAlgorithmParameterGenerator
{
private final int ivLength;
public AlgParamGen(int blockSize)
{
this.ivLength = blockSize / 8;
}
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for DSTU7624 parameter generation.");
}
protected AlgorithmParameters engineGenerateParameters()
{
byte[] iv = new byte[ivLength];
if (random == null)
{
random = CryptoServicesRegistrar.getSecureRandom();
}
random.nextBytes(iv);
AlgorithmParameters params;
try
{
params = createParametersInstance("DSTU7624");
params.init(new IvParameterSpec(iv));
}
catch (Exception e)
{
throw new RuntimeException(e.getMessage());
}
return params;
}
}
public static class AlgParamGen128
extends AlgParamGen
{
public AlgParamGen128()
{
super(128);
}
}
public static class AlgParamGen256
extends AlgParamGen
{
public AlgParamGen256()
{
super(256);
}
}
public static class AlgParamGen512
extends AlgParamGen
{
public AlgParamGen512()
{
super(512);
}
}
public static class AlgParams
extends IvAlgorithmParameters
{
protected String engineToString()
{
return "DSTU7624 IV";
}
}
public static class Mappings
extends SymmetricAlgorithmProvider
{
private static final String PREFIX = DSTU7624.class.getName();
public Mappings()
{
}
public void configure(ConfigurableProvider provider)
{
provider.addAlgorithm("AlgorithmParameters.DSTU7624", PREFIX + "$AlgParams");
provider.addAlgorithm("AlgorithmParameters", UAObjectIdentifiers.dstu7624cbc_128, PREFIX + "$AlgParams");
provider.addAlgorithm("AlgorithmParameters", UAObjectIdentifiers.dstu7624cbc_256, PREFIX + "$AlgParams");
provider.addAlgorithm("AlgorithmParameters", UAObjectIdentifiers.dstu7624cbc_512, PREFIX + "$AlgParams");
provider.addAlgorithm("AlgorithmParameterGenerator.DSTU7624", PREFIX + "$AlgParamGen128");
provider.addAlgorithm("AlgorithmParameterGenerator", UAObjectIdentifiers.dstu7624cbc_128, PREFIX + "$AlgParamGen128");
provider.addAlgorithm("AlgorithmParameterGenerator", UAObjectIdentifiers.dstu7624cbc_256, PREFIX + "$AlgParamGen256");
provider.addAlgorithm("AlgorithmParameterGenerator", UAObjectIdentifiers.dstu7624cbc_512, PREFIX + "$AlgParamGen512");
provider.addAlgorithm("Cipher.DSTU7624", PREFIX + "$ECB_128");
provider.addAlgorithm("Cipher.DSTU7624-128", PREFIX + "$ECB_128");
provider.addAlgorithm("Cipher.DSTU7624-256", PREFIX + "$ECB_256");
provider.addAlgorithm("Cipher.DSTU7624-512", PREFIX + "$ECB_512");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ecb_128, PREFIX + "$ECB128");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ecb_256, PREFIX + "$ECB256");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ecb_512, PREFIX + "$ECB512");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624cbc_128, PREFIX + "$CBC128");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624cbc_256, PREFIX + "$CBC256");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624cbc_512, PREFIX + "$CBC512");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ofb_128, PREFIX + "$OFB128");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ofb_256, PREFIX + "$OFB256");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ofb_512, PREFIX + "$OFB512");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624cfb_128, PREFIX + "$CFB128");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624cfb_256, PREFIX + "$CFB256");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624cfb_512, PREFIX + "$CFB512");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ctr_128, PREFIX + "$CTR128");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ctr_256, PREFIX + "$CTR256");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ctr_512, PREFIX + "$CTR512");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ccm_128, PREFIX + "$CCM128");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ccm_256, PREFIX + "$CCM256");
provider.addAlgorithm("Cipher", UAObjectIdentifiers.dstu7624ccm_512, PREFIX + "$CCM512");
provider.addAlgorithm("Cipher.DSTU7624KW", PREFIX + "$Wrap");
provider.addAlgorithm("Alg.Alias.Cipher.DSTU7624WRAP", "DSTU7624KW");
provider.addAlgorithm("Cipher.DSTU7624-128KW", PREFIX + "$Wrap128");
provider.addAlgorithm("Alg.Alias.Cipher." + UAObjectIdentifiers.dstu7624kw_128.getId(), "DSTU7624-128KW");
provider.addAlgorithm("Alg.Alias.Cipher.DSTU7624-128WRAP", "DSTU7624-128KW");
provider.addAlgorithm("Cipher.DSTU7624-256KW", PREFIX + "$Wrap256");
provider.addAlgorithm("Alg.Alias.Cipher." + UAObjectIdentifiers.dstu7624kw_256.getId(), "DSTU7624-256KW");
provider.addAlgorithm("Alg.Alias.Cipher.DSTU7624-256WRAP", "DSTU7624-256KW");
provider.addAlgorithm("Cipher.DSTU7624-512KW", PREFIX + "$Wrap512");
provider.addAlgorithm("Alg.Alias.Cipher." + UAObjectIdentifiers.dstu7624kw_512.getId(), "DSTU7624-512KW");
provider.addAlgorithm("Alg.Alias.Cipher.DSTU7624-512WRAP", "DSTU7624-512KW");
provider.addAlgorithm("Mac.DSTU7624GMAC", PREFIX + "$GMAC");
provider.addAlgorithm("Mac.DSTU7624-128GMAC", PREFIX + "$GMAC128");
provider.addAlgorithm("Alg.Alias.Mac." + UAObjectIdentifiers.dstu7624gmac_128.getId(), "DSTU7624-128GMAC");
provider.addAlgorithm("Mac.DSTU7624-256GMAC", PREFIX + "$GMAC256");
provider.addAlgorithm("Alg.Alias.Mac." + UAObjectIdentifiers.dstu7624gmac_256.getId(), "DSTU7624-256GMAC");
provider.addAlgorithm("Mac.DSTU7624-512GMAC", PREFIX + "$GMAC512");
provider.addAlgorithm("Alg.Alias.Mac." + UAObjectIdentifiers.dstu7624gmac_512.getId(), "DSTU7624-512GMAC");
provider.addAlgorithm("KeyGenerator.DSTU7624", PREFIX + "$KeyGen");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624kw_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624kw_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624kw_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ecb_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ecb_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ecb_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624cbc_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624cbc_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624cbc_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ofb_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ofb_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ofb_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624cfb_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624cfb_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624cfb_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ctr_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ctr_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ctr_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ccm_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ccm_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624ccm_512, PREFIX + "$KeyGen512");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624gmac_128, PREFIX + "$KeyGen128");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624gmac_256, PREFIX + "$KeyGen256");
provider.addAlgorithm("KeyGenerator", UAObjectIdentifiers.dstu7624gmac_512, PREFIX + "$KeyGen512");
}
}
}
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