package org.bouncycastle.jce.provider;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.spec.AlgorithmParameterSpec;
import javax.crypto.MacSpi;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEParameterSpec;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.Mac;
// BEGIN android-removed
// import org.bouncycastle.crypto.digests.MD2Digest;
// import org.bouncycastle.crypto.digests.MD4Digest;
// END android-removed
import org.bouncycastle.crypto.digests.MD5Digest;
// BEGIN android-removed
// import org.bouncycastle.crypto.digests.RIPEMD128Digest;
// import org.bouncycastle.crypto.digests.RIPEMD160Digest;
// END android-removed
import org.bouncycastle.crypto.digests.SHA1Digest;
// BEGIN android-removed
// import org.bouncycastle.crypto.digests.SHA224Digest;
// END android-removed
import org.bouncycastle.crypto.digests.SHA256Digest;
import org.bouncycastle.crypto.digests.SHA384Digest;
import org.bouncycastle.crypto.digests.SHA512Digest;
// BEGIN android-removed
// import org.bouncycastle.crypto.digests.TigerDigest;
// END android-removed
import org.bouncycastle.crypto.engines.DESEngine;
// BEGIN android-removed
// import org.bouncycastle.crypto.engines.RC2Engine;
// END android-removed
import org.bouncycastle.crypto.macs.CBCBlockCipherMac;
// BEGIN android-removed
// import org.bouncycastle.crypto.macs.CFBBlockCipherMac;
// import org.bouncycastle.crypto.macs.GOST28147Mac;
// END android-removed
import org.bouncycastle.crypto.macs.HMac;
// BEGIN android-removed
// import org.bouncycastle.crypto.macs.ISO9797Alg3Mac;
// import org.bouncycastle.crypto.macs.OldHMac;
// END android-removed
import org.bouncycastle.crypto.paddings.ISO7816d4Padding;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
public class JCEMac
extends MacSpi implements PBE
{
private Mac macEngine;
private int pbeType = PKCS12;
private int pbeHash = SHA1;
private int keySize = 160;
protected JCEMac(
Mac macEngine)
{
this.macEngine = macEngine;
}
protected JCEMac(
Mac macEngine,
int pbeType,
int pbeHash,
int keySize)
{
this.macEngine = macEngine;
this.pbeType = pbeType;
this.pbeHash = pbeHash;
this.keySize = keySize;
}
protected void engineInit(
Key key,
AlgorithmParameterSpec params)
throws InvalidKeyException, InvalidAlgorithmParameterException
{
CipherParameters param;
if (key == null)
{
throw new InvalidKeyException("key is null");
}
if (key instanceof JCEPBEKey)
{
JCEPBEKey k = (JCEPBEKey)key;
if (k.getParam() != null)
{
param = k.getParam();
}
else if (params instanceof PBEParameterSpec)
{
param = PBE.Util.makePBEMacParameters(k, params);
}
else
{
throw new InvalidAlgorithmParameterException("PBE requires PBE parameters to be set.");
}
}
else if (params instanceof IvParameterSpec)
{
param = new ParametersWithIV(new KeyParameter(key.getEncoded()), ((IvParameterSpec)params).getIV());
}
else if (params == null)
{
param = new KeyParameter(key.getEncoded());
}
else
{
throw new InvalidAlgorithmParameterException("unknown parameter type.");
}
macEngine.init(param);
}
protected int engineGetMacLength()
{
return macEngine.getMacSize();
}
protected void engineReset()
{
macEngine.reset();
}
protected void engineUpdate(
byte input)
{
macEngine.update(input);
}
protected void engineUpdate(
byte[] input,
int offset,
int len)
{
macEngine.update(input, offset, len);
}
protected byte[] engineDoFinal()
{
byte[] out = new byte[engineGetMacLength()];
macEngine.doFinal(out, 0);
return out;
}
/**
* the classes that extend directly off us.
*/
// BEGIN android-removed
// /**
// * DES
// */
// public static class DES
// extends JCEMac
// {
// public DES()
// {
// super(new CBCBlockCipherMac(new DESEngine()));
// }
// }
//
// /**
// * RC2
// */
// public static class RC2
// extends JCEMac
// {
// public RC2()
// {
// super(new CBCBlockCipherMac(new RC2Engine()));
// }
// }
//
// /**
// * GOST28147
// */
// public static class GOST28147
// extends JCEMac
// {
// public GOST28147()
// {
// super(new GOST28147Mac());
// }
// }
//
//
//
// /**
// * DES
// */
// public static class DESCFB8
// extends JCEMac
// {
// public DESCFB8()
// {
// super(new CFBBlockCipherMac(new DESEngine()));
// }
// }
//
// /**
// * RC2CFB8
// */
// public static class RC2CFB8
// extends JCEMac
// {
// public RC2CFB8()
// {
// super(new CFBBlockCipherMac(new RC2Engine()));
// }
// }
//
// /**
// * DES9797Alg3with7816-4Padding
// */
// public static class DES9797Alg3with7816d4
// extends JCEMac
// {
// public DES9797Alg3with7816d4()
// {
// super(new ISO9797Alg3Mac(new DESEngine(), new ISO7816d4Padding()));
// }
// }
//
// /**
// * DES9797Alg3
// */
// public static class DES9797Alg3
// extends JCEMac
// {
// public DES9797Alg3()
// {
// super(new ISO9797Alg3Mac(new DESEngine()));
// }
// }
//
// /**
// * MD2 HMac
// */
// public static class MD2
// extends JCEMac
// {
// public MD2()
// {
// super(new HMac(new MD2Digest()));
// }
// }
//
// /**
// * MD4 HMac
// */
// public static class MD4
// extends JCEMac
// {
// public MD4()
// {
// super(new HMac(new MD4Digest()));
// }
// }
// END android-removed
/**
* MD5 HMac
*/
public static class MD5
extends JCEMac
{
public MD5()
{
super(new HMac(new MD5Digest()));
}
}
/**
* SHA1 HMac
*/
public static class SHA1
extends JCEMac
{
public SHA1()
{
super(new HMac(new SHA1Digest()));
}
}
// BEGIN android-removed
// /**
// * SHA-224 HMac
// */
// public static class SHA224
// extends JCEMac
// {
// public SHA224()
// {
// super(new HMac(new SHA224Digest()));
// }
// }
// END android-removed
/**
* SHA-256 HMac
*/
public static class SHA256
extends JCEMac
{
public SHA256()
{
super(new HMac(new SHA256Digest()));
}
}
/**
* SHA-384 HMac
*/
public static class SHA384
extends JCEMac
{
public SHA384()
{
super(new HMac(new SHA384Digest()));
}
}
// BEGIN android-removed
// public static class OldSHA384
// extends JCEMac
// {
// public OldSHA384()
// {
// super(new OldHMac(new SHA384Digest()));
// }
// }
// END android-removed
/**
* SHA-512 HMac
*/
public static class SHA512
extends JCEMac
{
public SHA512()
{
super(new HMac(new SHA512Digest()));
}
}
// BEGIN android-removed
// /**
// * SHA-512 HMac
// */
// public static class OldSHA512
// extends JCEMac
// {
// public OldSHA512()
// {
// super(new OldHMac(new SHA512Digest()));
// }
// }
//
// /**
// * RIPEMD128 HMac
// */
// public static class RIPEMD128
// extends JCEMac
// {
// public RIPEMD128()
// {
// super(new HMac(new RIPEMD128Digest()));
// }
// }
//
// /**
// * RIPEMD160 HMac
// */
// public static class RIPEMD160
// extends JCEMac
// {
// public RIPEMD160()
// {
// super(new HMac(new RIPEMD160Digest()));
// }
// }
//
// /**
// * Tiger HMac
// */
// public static class Tiger
// extends JCEMac
// {
// public Tiger()
// {
// super(new HMac(new TigerDigest()));
// }
// }
//
// //
// // PKCS12 states that the same algorithm should be used
// // for the key generation as is used in the HMAC, so that
// // is what we do here.
// //
//
// /**
// * PBEWithHmacRIPEMD160
// */
// public static class PBEWithRIPEMD160
// extends JCEMac
// {
// public PBEWithRIPEMD160()
// {
// super(new HMac(new RIPEMD160Digest()), PKCS12, RIPEMD160, 160);
// }
// }
// END android-removed
/**
* PBEWithHmacSHA
*/
public static class PBEWithSHA
extends JCEMac
{
public PBEWithSHA()
{
super(new HMac(new SHA1Digest()), PKCS12, SHA1, 160);
}
}
// BEGIN android-removed
// /**
// * PBEWithHmacTiger
// */
// public static class PBEWithTiger
// extends JCEMac
// {
// public PBEWithTiger()
// {
// super(new HMac(new TigerDigest()), PKCS12, TIGER, 192);
// }
// }
// END android-removed
}