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[Cryptix-commits] projects/jce/src/cryptix.jce.provider.rsa RSACipher_OAEP.java RSACipher_OAEP_MD2.java RSACipher_OAEP_MD4.java RSACipher_OAEP_MD5.java RSACipher_OAEP_RIPEMD128.java RSACipher_OAEP_RIPEMD160.java RSACipher_OAEP_SHA1.java RSACipher_OAEP_SHA256.java RSACipher_OAEP_SHA384.java RSACipher_OAEP_SHA512.java RSACipher_OAEP_Tiger.java
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From: <gel...@mx...> - 2003-02-07 15:00:27
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gelderen 03/02/07 10:08:32
Added: jce/src/cryptix.jce.provider.rsa RSACipher_OAEP.java
RSACipher_OAEP_MD2.java RSACipher_OAEP_MD4.java
RSACipher_OAEP_MD5.java
RSACipher_OAEP_RIPEMD128.java
RSACipher_OAEP_RIPEMD160.java
RSACipher_OAEP_SHA1.java RSACipher_OAEP_SHA256.java
RSACipher_OAEP_SHA384.java
RSACipher_OAEP_SHA512.java
RSACipher_OAEP_Tiger.java
Log:
Add our RSAES-OAEP implementation.
Revision Changes Path
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP.java
Index: RSACipher_OAEP.java
===================================================================
/* $Id: RSACipher_OAEP.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
import java.math.BigInteger;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidKeySpecException;
import java.security.interfaces.RSAPublicKey;
import java.security.interfaces.RSAPrivateCrtKey;
import java.security.interfaces.RSAPrivateKey;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.CipherSpi;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKeyFactory;
import javax.crypto.ShortBufferException;
import javax.crypto.spec.SecretKeySpec;
import cryptix.jce.provider.util.Util;
/**
* @author Jeroen C. van Gelderen (gel...@cr...)
* @version $Revision: 1.1 $
*/
public abstract class RSACipher_OAEP extends CipherSpi {
private final MessageDigest _md;
private final int _hLen;
private final byte[] _lHash;
private SecureRandom _rng;
private BigInteger _n, _exp, _p, _q, _u;
/** Byte-length of modulus (n), excluding sign bit. */
private int _k;
private int _mode;
public RSACipher_OAEP(String hashName) {
try {
_md = MessageDigest.getInstance(hashName);
_hLen = _md.getDigestLength();
// a. If the label L is not provided, let L be the empty string.
// Let lHash = Hash(L), an octet string of length hLen.
_lHash = _md.digest();
} catch(NoSuchAlgorithmException ex) {
// we should have the given hash in our provider so this should
// be unreachable
throw new InternalError(
"MessageDigest not found! (" + hashName + "): " +
ex.toString());
}
}
protected final void
engineSetMode(String mode)
throws NoSuchAlgorithmException {
// if (!mode.equalsIgnoreCase("ECB"))
throw new NoSuchAlgorithmException("Wrong mode type!");
}
protected final void
engineSetPadding(String padding)
throws NoSuchPaddingException {
}
protected final int
engineGetBlockSize() {
throw new IllegalArgumentException();
}
protected final int
engineGetOutputSize(int inputLen) {
throw new IllegalArgumentException();
}
protected final byte[]
engineGetIV() {
return null;
}
protected final AlgorithmParameters
engineGetParameters() {
return null;
}
protected final void
engineInit(int opmode, Key key, SecureRandom random)
throws InvalidKeyException {
if (!(key instanceof RSAPrivateKey) && !(key instanceof RSAPublicKey))
throw new InvalidKeyException(
"Key must be instance of either RSAPublicKey or RSAPrivateKey!");
_mode = opmode;
_rng = random;
if (_mode == Cipher.DECRYPT_MODE) {
_n = ((RSAPrivateKey)key).getModulus();
_exp = ((RSAPrivateKey)key).getPrivateExponent();
} else if(_mode == Cipher.ENCRYPT_MODE) {
_n = ((RSAPublicKey)key).getModulus();
_exp = ((RSAPublicKey)key).getPublicExponent();
} else {
throw new IllegalArgumentException("opmode not supported.");
}
if (key instanceof RSAPrivateCrtKey) {
_p = ((RSAPrivateCrtKey)key).getPrimeP();
_q = ((RSAPrivateCrtKey)key).getPrimeQ();
_u = ((RSAPrivateCrtKey)key).getCrtCoefficient();
} else {
_p = _q = _u = null;
}
// round up to nearest multiple of eight bits
_k = (_n.bitLength() + 7) / 8;
// c. If k < 2hLen + 2, output "decryption error" and stop.
if(_k < 2*_hLen +2)
throw new InvalidKeyException("Modulus too short.");
}
protected final void
engineInit(int opmode, Key key, AlgorithmParameterSpec params,
SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException
{
if(params != null)
throw new InvalidAlgorithmParameterException(
"This cipher do not support AlgorithmParameterSpecs");
engineInit(opmode, key, random);
}
protected final void
engineInit(int opmode, Key key, AlgorithmParameters params,
SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException
{
if(params != null)
throw new InvalidAlgorithmParameterException(
"This cipher do not support AlgorithmParameters");
engineInit(opmode, key, random);
}
protected final byte[]
engineUpdate(byte[] input, int inputOffset, int inputLen) {
throw new RuntimeException("You can't do an update when using OAEP!");
}
protected final int
engineUpdate(byte[] input, int inputOffset, int inputLen,
byte[] output, int outputOffset)
throws ShortBufferException {
throw new RuntimeException("You can't do an update when using OAEP!");
}
protected final byte[]
engineDoFinal(byte[] input, int inputOffset, int inputLen)
throws IllegalBlockSizeException, BadPaddingException {
if(_mode == Cipher.ENCRYPT_MODE) {
byte[] M = new byte[inputLen];
System.arraycopy(input, inputOffset, M, 0, inputLen);
byte[] C = RSAES_OAEP_ENCRYPT(M);
return C;
} else {
byte[] C = new byte[inputLen];
System.arraycopy(input, inputOffset, C, 0, inputLen);
byte[] M = RSAES_OAEP_DECRYPT(C);
return M;
}
}
protected final int
engineDoFinal(byte[] input, int inputOffset, int inputLen,
byte[] output, int outputOffset)
throws ShortBufferException, IllegalBlockSizeException, BadPaddingException
{
byte[] M = new byte[inputLen];
System.arraycopy(input, inputOffset, M, 0, inputLen);
byte[] C = RSAES_OAEP_ENCRYPT(M);
int outputLen = output.length - outputOffset;
if(C.length > outputLen)
throw new ShortBufferException();
System.arraycopy(C, 0, output, outputOffset, C.length);
return C.length;
}
protected int engineGetKeySize(Key key) throws InvalidKeyException {
if(key instanceof RSAPublicKey)
return ((RSAPublicKey)key).getModulus().bitLength();
else if(key instanceof RSAPrivateKey)
return ((RSAPrivateKey)key).getModulus().bitLength();
else
throw new InvalidKeyException("Not an RSA key.");
}
private byte[] RSAES_OAEP_DECRYPT(byte[] C)
throws BadPaddingException, IllegalBlockSizeException
{
// 1. Length checking:
// a. If the length of L is greater than the input limitation for
// the hash function, output "decryption error" and stop.
// -- we use the empty label
// b. If the length of the ciphertext C is not k octets, output
// "decryption error" and stop.
if(C.length != _k)
throw new IllegalBlockSizeException();
// c. If k < 2hLen + 2, output "decryption error" and stop.
// -- we check for this in engineInit
// 2. RSA decryption:
// a. Convert the ciphertext C to an integer ciphertext
// representative c = OS2IP (C) .
BigInteger c = new BigInteger(1, C);
// b. Apply the RSADP decryption primitive to the RSA private
// key K and the ciphertext representative c to produce an
// integer message representative m = RSADP (K, c) .
// If RSADP outputs "ciphertext representative out of range"
// (meaning that c >= n), output "decryption error" and stop.
BigInteger m = RSAAlgorithm.rsa(c, _n, _exp, _p, _q, _u);
// XXX: handle errors (bad key)
// c. Convert the message representative m to an encoded message
// EM of length k octets: EM = I2OSP (m, k) .
byte[] EM = Util.toFixedLenByteArray(m, _k);
// XXX: handle m too long (bad key)
// 3. EME-OAEP decoding:
// a. If the label L is not provided, let L be the empty string.
// Let lHash = Hash(L), an octet string of length hLen.
// -- done in ctor
// b. Separate the encoded message EM into a single octet Y, an
// octet string maskedSeed of length hLen, and an octet string
// maskedDB of length k - hLen - 1 as
// EM = Y || maskedSeed || maskedDB .
if(EM[0] != 0x00)
throw new BadPaddingException();
byte[] maskedSeed = new byte[_hLen];
System.arraycopy(EM, 1, maskedSeed, 0, maskedSeed.length);
byte[] maskedDB = new byte[_k - _hLen -1];
System.arraycopy(EM, 1 + _hLen, maskedDB, 0, maskedDB.length);
// c. Let seedMask = MGF (maskedDB, hLen).
byte[] seedMask = mgf1(maskedDB, _hLen);
// d. Let seed = maskedSeed ^ seedMask.
byte[] seed = xor(maskedSeed, seedMask);
// e. Let dbMask = MGF (seed, k - hLen - 1).
byte[] dbMask = mgf1(seed, _k - _hLen -1);
// f. Let DB = maskedDB ^ dbMask.
byte[] DB = xor(maskedDB, dbMask);
// g. Separate DB into an octet string lHash' of length hLen,
// a (possibly empty) padding string PS consisting of octets
// with hexadecimal value 0x00, and a message M as
// DB = lHash' || PS || 0x01 || M .
// If there is no octet with hexadecimal value 0x01 to separate
// PS from M, if lHash does not equal lHash', or if Y is
// nonzero, output "decryption error" and stop.
byte[] lHash1 = new byte[_hLen];
System.arraycopy(DB, 0, lHash1, 0, lHash1.length);
if(!Util.equals(_lHash, lHash1))
throw new BadPaddingException();
int i = _hLen;
for( ; i < DB.length; i++)
if(DB[i] != 0x00)
break;
if(DB[i++] != 0x01)
throw new BadPaddingException();
// 4. Output the message M.
int mLen = DB.length - i;
byte[] M = new byte[mLen];
System.arraycopy(DB, i, M, 0, mLen);
return M;
}
private byte[] RSAES_OAEP_ENCRYPT(byte[] M)
throws IllegalBlockSizeException
{
int mLen = M.length;
// 1. Length checking:
// a. If the length of L is greater than the input limitation for
// the hash function, output "label too long" and stop.
// -- we use zero-length L so this check is not necessary
// b. If mLen > k-2hLen-2, output "message too long" and stop.
if(mLen > _k - 2*_hLen - 2)
throw new IllegalBlockSizeException();
//
// 2. EME-OAEP encoding
// a. If the label L is not provided, let L be the empty string.
// Let lHash = Hash(L), an octet string of length hLen.
// -- see constructor, value in _lHash
// b. Generate an octet string PS consisting of k-mLen-2hLen-2
// zero octets. The length of PS may be zero.
byte[] PS = new byte[_k - mLen - 2*_hLen -2];
// c. Concatenate lHash, PS, a single octet with hexadecimal
// value 0x01, and the message M to form a data block DB of
// length k-hLen-1 octets as DB = lHash || PS || 0x01 || M .
byte[] DB = concat(_lHash, PS, new byte[]{ 0x01 }, M);
// d. Generate a random octet string seed of length hLen.
byte[] seed = new byte[_hLen];
_rng.nextBytes(seed);
// e. Let dbMask = MGF (seed, _k - hLen - 1)
byte[] dbMask = mgf1(seed, _k - _hLen - 1);
// f. Let maskedDB = DB ^ dbMask.
byte[] maskedDB = xor(DB, dbMask);
// g. Let seedMask = MGF (maskedDB, hLen).
byte[] seedMask = mgf1(maskedDB, _hLen);
// h. Let maskedSeed = seed ^ seedMask.
byte[] maskedSeed = xor(seed, seedMask);
// i. Concatenate a single octet with hexadecimal value 0x00,
// maskedSeed, and maskedDB to form an encoded message EM of
// length k octets as EM = 0x00 || maskedSeed || maskedDB.
byte[] EM = concat(new byte[]{ 0x00 }, maskedSeed, maskedDB);
// 3. RSA encryption:
// a. Convert the encoded message EM to an integer message
// representative m = OS2IP (EM) .
BigInteger m = new BigInteger(1, EM);
// b. Apply the RSAEP encryption primitive to the RSA public
// key (n, e) and the message representative m to produce an
// integer ciphertext representative c: c = RSAEP ((n, e), m) .
BigInteger c = RSAAlgorithm.rsa(m, _n, _exp, _p, _q, _u);
// XXX: handle error (bad key)
// c. Convert the ciphertext representative c to a ciphertext C
// of length k octets C = I2OSP (c, k) .
byte[] C = Util.toFixedLenByteArray(c, _k);
// XXX: handle error (bad key)
// 4. Output the ciphertext C.
return C;
}
private static byte[] xor(byte[] a, byte[] b) {
if( a.length != b.length )
throw new InternalError("a.len != b.len");
byte[] res = new byte[a.length];
for(int i=0; i<res.length; i++)
res[i] = (byte)(a[i] ^ b[i]);
return res;
}
// T = T || Hash (Z || C)
private byte[] mgf1(byte[] seed, int len) {
int hashCount = (len + _hLen - 1) / _hLen; // ceil(len / hLen)
byte[] mask = new byte[0];
for(int i=0; i<hashCount; i++)
mask = concat(mask, mgf1Hash(seed, (byte)i));
byte[] res = new byte[len];
System.arraycopy(mask, 0, res, 0, res.length);
return res;
}
private byte[] mgf1Hash(byte[] seed, byte c) {
_md.update(seed);
_md.update(new byte[3]);
_md.update(c);
return _md.digest();
}
private byte[] concat(byte[] a, byte[] b) {
byte[] res = new byte[a.length + b.length];
System.arraycopy(a, 0, res, 0, a.length);
System.arraycopy(b, 0, res, a.length, b.length);
return res;
}
private byte[] concat(byte[] a, byte[] b, byte[] c) {
return concat(a, concat(b, c));
}
private byte[] concat(byte[] a, byte[] b, byte[] c, byte[] d) {
return concat(a, concat(b, concat(c, d)));
}
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_MD2.java
Index: RSACipher_OAEP_MD2.java
===================================================================
/* $Id: RSACipher_OAEP_MD2.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_MD2 extends RSACipher_OAEP {
public RSACipher_OAEP_MD2() { super("MD2"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_MD4.java
Index: RSACipher_OAEP_MD4.java
===================================================================
/* $Id: RSACipher_OAEP_MD4.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_MD4 extends RSACipher_OAEP {
public RSACipher_OAEP_MD4() { super("MD4"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_MD5.java
Index: RSACipher_OAEP_MD5.java
===================================================================
/* $Id: RSACipher_OAEP_MD5.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_MD5 extends RSACipher_OAEP {
public RSACipher_OAEP_MD5() { super("MD5"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_RIPEMD128.java
Index: RSACipher_OAEP_RIPEMD128.java
===================================================================
/* $Id: RSACipher_OAEP_RIPEMD128.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_RIPEMD128 extends RSACipher_OAEP {
public RSACipher_OAEP_RIPEMD128() { super("RIPEMD128"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_RIPEMD160.java
Index: RSACipher_OAEP_RIPEMD160.java
===================================================================
/* $Id: RSACipher_OAEP_RIPEMD160.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_RIPEMD160 extends RSACipher_OAEP {
public RSACipher_OAEP_RIPEMD160() { super("RIPEMD160"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_SHA1.java
Index: RSACipher_OAEP_SHA1.java
===================================================================
/* $Id: RSACipher_OAEP_SHA1.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_SHA1 extends RSACipher_OAEP {
public RSACipher_OAEP_SHA1() { super("SHA1"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_SHA256.java
Index: RSACipher_OAEP_SHA256.java
===================================================================
/* $Id: RSACipher_OAEP_SHA256.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_SHA256 extends RSACipher_OAEP {
public RSACipher_OAEP_SHA256() { super("SHA256"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_SHA384.java
Index: RSACipher_OAEP_SHA384.java
===================================================================
/* $Id: RSACipher_OAEP_SHA384.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_SHA384 extends RSACipher_OAEP {
public RSACipher_OAEP_SHA384() { super("SHA384"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_SHA512.java
Index: RSACipher_OAEP_SHA512.java
===================================================================
/* $Id: RSACipher_OAEP_SHA512.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_SHA512 extends RSACipher_OAEP {
public RSACipher_OAEP_SHA512() { super("SHA512"); }
}
1.1 projects/jce/src/cryptix.jce.provider.rsa/RSACipher_OAEP_Tiger.java
Index: RSACipher_OAEP_Tiger.java
===================================================================
/* $Id: RSACipher_OAEP_Tiger.java,v 1.1 2003/02/07 15:08:32 gelderen Exp $
*
* Copyright (C) 2002, 2003 The Cryptix Foundation Limited.
* All rights reserved.
*
* Use, modification, copying and distribution of this software is subject
* the terms and conditions of the Cryptix General Licence. You should have
* received a copy of the Cryptix General Licence along with this library;
* if not, you can download a copy from http://www.cryptix.org/ .
*/
package cryptix.jce.provider.rsa;
/**
* @version $Revision: 1.1 $
* @author Jeroen C. van Gelderen (gel...@cr...)
*/
public class RSACipher_OAEP_Tiger extends RSACipher_OAEP {
public RSACipher_OAEP_Tiger() { super("Tiger"); }
}
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