package org.bouncycastle.jce.provider;
import java.lang.reflect.Constructor;
import java.security.InvalidKeyException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactorySpi;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.DESedeKeySpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.asn1.DERObjectIdentifier;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.params.DESParameters;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
public class JCESecretKeyFactory
extends SecretKeyFactorySpi
implements PBE
{
protected String algName;
protected DERObjectIdentifier algOid;
protected JCESecretKeyFactory(
String algName,
DERObjectIdentifier algOid)
{
this.algName = algName;
this.algOid = algOid;
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof SecretKeySpec)
{
return (SecretKey)keySpec;
}
throw new InvalidKeySpecException("Invalid KeySpec");
}
protected KeySpec engineGetKeySpec(
SecretKey key,
Class keySpec)
throws InvalidKeySpecException
{
if (keySpec == null)
{
throw new InvalidKeySpecException("keySpec parameter is null");
}
if (key == null)
{
throw new InvalidKeySpecException("key parameter is null");
}
if (SecretKeySpec.class.isAssignableFrom(keySpec))
{
return new SecretKeySpec(key.getEncoded(), algName);
}
try
{
Class[] parameters = { byte[].class };
Constructor c = keySpec.getConstructor(parameters);
Object[] p = new Object[1];
p[0] = key.getEncoded();
return (KeySpec)c.newInstance(p);
}
catch (Exception e)
{
throw new InvalidKeySpecException(e.toString());
}
}
protected SecretKey engineTranslateKey(
SecretKey key)
throws InvalidKeyException
{
if (key == null)
{
throw new InvalidKeyException("key parameter is null");
}
if (!key.getAlgorithm().equalsIgnoreCase(algName))
{
throw new InvalidKeyException("Key not of type " + algName + ".");
}
return new SecretKeySpec(key.getEncoded(), algName);
}
/*
* classes that inherit from us
*/
static public class PBEKeyFactory
extends JCESecretKeyFactory
{
private boolean forCipher;
private int scheme;
private int digest;
private int keySize;
private int ivSize;
public PBEKeyFactory(
String algorithm,
DERObjectIdentifier oid,
boolean forCipher,
int scheme,
int digest,
int keySize,
int ivSize)
{
super(algorithm, oid);
this.forCipher = forCipher;
this.scheme = scheme;
this.digest = digest;
this.keySize = keySize;
this.ivSize = ivSize;
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof PBEKeySpec)
{
PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
CipherParameters param;
if (pbeSpec.getSalt() == null)
{
return new JCEPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null);
}
if (forCipher)
{
param = Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize);
}
else
{
param = Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
}
return new JCEPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
}
throw new InvalidKeySpecException("Invalid KeySpec");
}
}
static public class DESPBEKeyFactory
extends JCESecretKeyFactory
{
private boolean forCipher;
private int scheme;
private int digest;
private int keySize;
private int ivSize;
public DESPBEKeyFactory(
String algorithm,
DERObjectIdentifier oid,
boolean forCipher,
int scheme,
int digest,
int keySize,
int ivSize)
{
super(algorithm, oid);
this.forCipher = forCipher;
this.scheme = scheme;
this.digest = digest;
this.keySize = keySize;
this.ivSize = ivSize;
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof PBEKeySpec)
{
PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
CipherParameters param;
if (pbeSpec.getSalt() == null)
{
return new JCEPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null);
}
if (forCipher)
{
param = Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize);
}
else
{
param = Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
}
if (param instanceof ParametersWithIV)
{
KeyParameter kParam = (KeyParameter)((ParametersWithIV)param).getParameters();
DESParameters.setOddParity(kParam.getKey());
}
else
{
KeyParameter kParam = (KeyParameter)param;
DESParameters.setOddParity(kParam.getKey());
}
return new JCEPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
}
throw new InvalidKeySpecException("Invalid KeySpec");
}
}
static public class DES
extends JCESecretKeyFactory
{
public DES()
{
super("DES", null);
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof DESKeySpec)
{
DESKeySpec desKeySpec = (DESKeySpec)keySpec;
return new SecretKeySpec(desKeySpec.getKey(), "DES");
}
return super.engineGenerateSecret(keySpec);
}
}
static public class DESede
extends JCESecretKeyFactory
{
public DESede()
{
super("DESede", null);
}
protected KeySpec engineGetKeySpec(
SecretKey key,
Class keySpec)
throws InvalidKeySpecException
{
if (keySpec == null)
{
throw new InvalidKeySpecException("keySpec parameter is null");
}
if (key == null)
{
throw new InvalidKeySpecException("key parameter is null");
}
if (SecretKeySpec.class.isAssignableFrom(keySpec))
{
return new SecretKeySpec(key.getEncoded(), algName);
}
else if (DESedeKeySpec.class.isAssignableFrom(keySpec))
{
byte[] bytes = key.getEncoded();
try
{
if (bytes.length == 16)
{
byte[] longKey = new byte[24];
System.arraycopy(bytes, 0, longKey, 0, 16);
System.arraycopy(bytes, 0, longKey, 16, 8);
return new DESedeKeySpec(longKey);
}
else
{
return new DESedeKeySpec(bytes);
}
}
catch (Exception e)
{
throw new InvalidKeySpecException(e.toString());
}
}
throw new InvalidKeySpecException("Invalid KeySpec");
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof DESedeKeySpec)
{
DESedeKeySpec desKeySpec = (DESedeKeySpec)keySpec;
return new SecretKeySpec(desKeySpec.getKey(), "DESede");
}
return super.engineGenerateSecret(keySpec);
}
}
/**
* PBEWithMD5AndDES
*/
static public class PBEWithMD5AndDES
extends DESPBEKeyFactory
{
public PBEWithMD5AndDES()
{
super("PBEwithMD5andDES", null, true, PKCS5S1, MD5, 64, 64);
}
}
/**
* PBEWithMD5AndRC2
*/
static public class PBEWithMD5AndRC2
extends PBEKeyFactory
{
public PBEWithMD5AndRC2()
{
super("PBEwithMD5andRC2", null, true, PKCS5S1, MD5, 64, 64);
}
}
/**
* PBEWithSHA1AndDES
*/
static public class PBEWithSHA1AndDES
extends PBEKeyFactory
{
public PBEWithSHA1AndDES()
{
super("PBEwithSHA1andDES", null, true, PKCS5S1, SHA1, 64, 64);
}
}
/**
* PBEWithSHA1AndRC2
*/
static public class PBEWithSHA1AndRC2
extends PBEKeyFactory
{
public PBEWithSHA1AndRC2()
{
super("PBEwithSHA1andRC2", null, true, PKCS5S1, SHA1, 64, 64);
}
}
/**
* PBEWithSHAAnd3-KeyTripleDES-CBC
*/
static public class PBEWithSHAAndDES3Key
extends PBEKeyFactory
{
public PBEWithSHAAndDES3Key()
{
super("PBEwithSHAandDES3Key-CBC", PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC, true, PKCS12, SHA1, 192, 64);
}
}
/**
* PBEWithSHAAnd2-KeyTripleDES-CBC
*/
static public class PBEWithSHAAndDES2Key
extends PBEKeyFactory
{
public PBEWithSHAAndDES2Key()
{
super("PBEwithSHAandDES2Key-CBC", PKCSObjectIdentifiers.pbeWithSHAAnd2_KeyTripleDES_CBC, true, PKCS12, SHA1, 128, 64);
}
}
// BEGIN android-removed
// /**
// * PBEWithSHAAnd128BitRC2-CBC
// */
// static public class PBEWithSHAAnd128BitRC2
// extends PBEKeyFactory
// {
// public PBEWithSHAAnd128BitRC2()
// {
// super("PBEwithSHAand128BitRC2-CBC", PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC2_CBC, true, PKCS12, SHA1, 128, 64);
// }
// }
// END android-removed
/**
* PBEWithSHAAnd40BitRC2-CBC
*/
static public class PBEWithSHAAnd40BitRC2
extends PBEKeyFactory
{
public PBEWithSHAAnd40BitRC2()
{
super("PBEwithSHAand40BitRC2-CBC", PKCSObjectIdentifiers.pbewithSHAAnd40BitRC2_CBC, true, PKCS12, SHA1, 40, 64);
}
}
// BEGIN android-removed
// /**
// * PBEWithSHAAndTwofish-CBC
// */
// static public class PBEWithSHAAndTwofish
// extends PBEKeyFactory
// {
// public PBEWithSHAAndTwofish()
// {
// super("PBEwithSHAandTwofish-CBC", null, true, PKCS12, SHA1, 256, 128);
// }
// }
//
// /**
// * PBEWithSHAAndIDEA-CBC
// */
// static public class PBEWithSHAAndIDEA
// extends PBEKeyFactory
// {
// public PBEWithSHAAndIDEA()
// {
// super("PBEwithSHAandIDEA-CBC", null, true, PKCS12, SHA1, 128, 64);
// }
// }
//
// /**
// * PBEWithSHAAnd128BitRC4
// */
// static public class PBEWithSHAAnd128BitRC4
// extends PBEKeyFactory
// {
// public PBEWithSHAAnd128BitRC4()
// {
// super("PBEWithSHAAnd128BitRC4", PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC4, true, PKCS12, SHA1, 128, 0);
// }
// }
//
// /**
// * PBEWithSHAAnd40BitRC4
// */
// static public class PBEWithSHAAnd40BitRC4
// extends PBEKeyFactory
// {
// public PBEWithSHAAnd40BitRC4()
// {
// super("PBEWithSHAAnd128BitRC4", PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC4, true, PKCS12, SHA1, 40, 0);
// }
// }
//
// /**
// * PBEWithHmacRIPEMD160
// */
// public static class PBEWithRIPEMD160
// extends PBEKeyFactory
// {
// public PBEWithRIPEMD160()
// {
// super("PBEwithHmacRIPEMD160", null, false, PKCS12, RIPEMD160, 160, 0);
// }
// }
// END android-removed
/**
* PBEWithHmacSHA
*/
public static class PBEWithSHA
extends PBEKeyFactory
{
public PBEWithSHA()
{
super("PBEwithHmacSHA", null, false, PKCS12, SHA1, 160, 0);
}
}
// BEGIN android-removed
// /**
// * PBEWithHmacTiger
// */
// public static class PBEWithTiger
// extends PBEKeyFactory
// {
// public PBEWithTiger()
// {
// super("PBEwithHmacTiger", null, false, PKCS12, TIGER, 192, 0);
// }
// }
// END android-removed
/**
* PBEWithSHA1And128BitAES-BC
*/
static public class PBEWithSHAAnd128BitAESBC
extends PBEKeyFactory
{
public PBEWithSHAAnd128BitAESBC()
{
super("PBEWithSHA1And128BitAES-CBC-BC", null, true, PKCS12, SHA1, 128, 128);
}
}
/**
* PBEWithSHA1And192BitAES-BC
*/
static public class PBEWithSHAAnd192BitAESBC
extends PBEKeyFactory
{
public PBEWithSHAAnd192BitAESBC()
{
super("PBEWithSHA1And192BitAES-CBC-BC", null, true, PKCS12, SHA1, 192, 128);
}
}
/**
* PBEWithSHA1And256BitAES-BC
*/
static public class PBEWithSHAAnd256BitAESBC
extends PBEKeyFactory
{
public PBEWithSHAAnd256BitAESBC()
{
super("PBEWithSHA1And256BitAES-CBC-BC", null, true, PKCS12, SHA1, 256, 128);
}
}
/**
* PBEWithSHA256And128BitAES-BC
*/
static public class PBEWithSHA256And128BitAESBC
extends PBEKeyFactory
{
public PBEWithSHA256And128BitAESBC()
{
super("PBEWithSHA256And128BitAES-CBC-BC", null, true, PKCS12, SHA256, 128, 128);
}
}
/**
* PBEWithSHA256And192BitAES-BC
*/
static public class PBEWithSHA256And192BitAESBC
extends PBEKeyFactory
{
public PBEWithSHA256And192BitAESBC()
{
super("PBEWithSHA256And192BitAES-CBC-BC", null, true, PKCS12, SHA256, 192, 128);
}
}
/**
* PBEWithSHA256And256BitAES-BC
*/
static public class PBEWithSHA256And256BitAESBC
extends PBEKeyFactory
{
public PBEWithSHA256And256BitAESBC()
{
super("PBEWithSHA256And256BitAES-CBC-BC", null, true, PKCS12, SHA256, 256, 128);
}
}
/**
* PBEWithMD5And128BitAES-OpenSSL
*/
static public class PBEWithMD5And128BitAESCBCOpenSSL
extends PBEKeyFactory
{
public PBEWithMD5And128BitAESCBCOpenSSL()
{
super("PBEWithMD5And128BitAES-CBC-OpenSSL", null, true, OPENSSL, MD5, 128, 128);
}
}
/**
* PBEWithMD5And192BitAES-OpenSSL
*/
static public class PBEWithMD5And192BitAESCBCOpenSSL
extends PBEKeyFactory
{
public PBEWithMD5And192BitAESCBCOpenSSL()
{
super("PBEWithMD5And192BitAES-CBC-OpenSSL", null, true, OPENSSL, MD5, 192, 128);
}
}
/**
* PBEWithMD5And256BitAES-OpenSSL
*/
static public class PBEWithMD5And256BitAESCBCOpenSSL
extends PBEKeyFactory
{
public PBEWithMD5And256BitAESCBCOpenSSL()
{
super("PBEWithMD5And256BitAES-CBC-OpenSSL", null, true, OPENSSL, MD5, 256, 128);
}
}
}
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