| /* |
| * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.crypto.provider; |
| |
| import java.math.BigInteger; |
| import java.security.*; |
| import java.security.spec.*; |
| import java.util.Arrays; |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| |
| /** |
| * This class implements password-base encryption algorithm with |
| * SHA1 digest and the following Ciphers (in CBC mode, where applicable): |
| * - DESede cipher and |
| * - RC2 Cipher with 40-bit or 128-bit effective key length and |
| * - RC4 Cipher with 40-bit or 128-bit effective key length |
| * as defined by PKCS #12 version 1.0 standard. |
| * |
| * @author Valerie Peng |
| * @see javax.crypto.CipherSpi |
| */ |
| final class PKCS12PBECipherCore { |
| |
| // TBD: replace CipherCore with a CipherSpi object to simplify maintenance |
| |
| private CipherCore cipher; |
| private int blockSize; |
| private int keySize; |
| private int keyLength; // in bits |
| private String algo = null; |
| private String pbeAlgo = null; |
| private byte[] salt = null; |
| private int iCount = 0; |
| |
| private static final int DEFAULT_SALT_LENGTH = 20; |
| private static final int DEFAULT_COUNT = 1024; |
| |
| static final int CIPHER_KEY = 1; |
| static final int CIPHER_IV = 2; |
| static final int MAC_KEY = 3; |
| |
| // Uses default hash algorithm (SHA-1) |
| static byte[] derive(char[] chars, byte[] salt, |
| int ic, int n, int type) { |
| return derive(chars, salt, ic, n, type, "SHA-1", 64); |
| } |
| |
| // Uses supplied hash algorithm |
| static byte[] derive(char[] chars, byte[] salt, int ic, int n, int type, |
| String hashAlgo, int blockLength) { |
| |
| // Add in trailing NULL terminator. Special case: |
| // no terminator if password is "\0". |
| int length = chars.length*2; |
| if (length == 2 && chars[0] == 0) { |
| chars = new char[0]; |
| length = 0; |
| } else { |
| length += 2; |
| } |
| |
| byte[] passwd = new byte[length]; |
| for (int i = 0, j = 0; i < chars.length; i++, j+=2) { |
| passwd[j] = (byte) ((chars[i] >>> 8) & 0xFF); |
| passwd[j+1] = (byte) (chars[i] & 0xFF); |
| } |
| byte[] key = new byte[n]; |
| |
| try { |
| MessageDigest sha = MessageDigest.getInstance(hashAlgo); |
| |
| int v = blockLength; |
| int u = sha.getDigestLength(); |
| int c = roundup(n, u) / u; |
| byte[] D = new byte[v]; |
| int s = roundup(salt.length, v); |
| int p = roundup(passwd.length, v); |
| byte[] I = new byte[s + p]; |
| |
| Arrays.fill(D, (byte)type); |
| concat(salt, I, 0, s); |
| concat(passwd, I, s, p); |
| |
| byte[] Ai; |
| byte[] B = new byte[v]; |
| byte[] tmp = new byte[v]; |
| |
| int i = 0; |
| for (; ; i++, n -= u) { |
| sha.update(D); |
| sha.update(I); |
| Ai = sha.digest(); |
| for (int r = 1; r < ic; r++) |
| Ai = sha.digest(Ai); |
| System.arraycopy(Ai, 0, key, u * i, Math.min(n, u)); |
| if (i + 1 == c) |
| break; |
| concat(Ai, B, 0, B.length); |
| BigInteger B1; |
| B1 = new BigInteger(1, B).add(BigInteger.ONE); |
| |
| for (int j = 0; j < I.length; j += v) { |
| BigInteger Ij; |
| int trunc; |
| |
| if (tmp.length != v) |
| tmp = new byte[v]; |
| System.arraycopy(I, j, tmp, 0, v); |
| Ij = new BigInteger(1, tmp); |
| Ij = Ij.add(B1); |
| tmp = Ij.toByteArray(); |
| trunc = tmp.length - v; |
| if (trunc >= 0) { |
| System.arraycopy(tmp, trunc, I, j, v); |
| } else if (trunc < 0) { |
| Arrays.fill(I, j, j + (-trunc), (byte)0); |
| System.arraycopy(tmp, 0, I, j + (-trunc), tmp.length); |
| } |
| } |
| } |
| } catch (Exception e) { |
| throw new RuntimeException("internal error: " + e); |
| } |
| return key; |
| } |
| |
| private static int roundup(int x, int y) { |
| return ((x + (y - 1)) / y) * y; |
| } |
| |
| private static void concat(byte[] src, byte[] dst, int start, int len) { |
| if (src.length == 0) { |
| return; |
| } |
| int loop = len / src.length; |
| int off, i; |
| for (i = 0, off = 0; i < loop; i++, off += src.length) |
| System.arraycopy(src, 0, dst, off + start, src.length); |
| System.arraycopy(src, 0, dst, off + start, len - off); |
| } |
| |
| PKCS12PBECipherCore(String symmCipherAlg, int defKeySize) |
| throws NoSuchAlgorithmException { |
| |
| algo = symmCipherAlg; |
| keyLength = defKeySize * 8; |
| if (algo.equals("RC4")) { |
| pbeAlgo = "PBEWithSHA1AndRC4_" + keyLength; |
| } else { |
| SymmetricCipher symmCipher = null; |
| if (algo.equals("DESede")) { |
| symmCipher = new DESedeCrypt(); |
| pbeAlgo = "PBEWithSHA1AndDESede"; |
| keyLength = 112; // effective key length |
| } else if (algo.equals("RC2")) { |
| symmCipher = new RC2Crypt(); |
| pbeAlgo = "PBEWithSHA1AndRC2_" + keyLength; |
| } else { |
| throw new NoSuchAlgorithmException("No Cipher implementation " + |
| "for PBEWithSHA1And" + algo); |
| } |
| blockSize = symmCipher.getBlockSize(); |
| cipher = new CipherCore(symmCipher, blockSize); |
| cipher.setMode("CBC"); |
| try { |
| cipher.setPadding("PKCS5Padding"); |
| } catch (NoSuchPaddingException nspe) { |
| // should not happen |
| } |
| } |
| keySize = defKeySize; |
| } |
| |
| void implSetMode(String mode) throws NoSuchAlgorithmException { |
| if ((mode != null) && (!mode.equalsIgnoreCase("CBC"))) { |
| throw new NoSuchAlgorithmException("Invalid cipher mode: " |
| + mode); |
| } |
| } |
| |
| void implSetPadding(String padding) throws NoSuchPaddingException { |
| if ((padding != null) && |
| (!padding.equalsIgnoreCase("PKCS5Padding"))) { |
| throw new NoSuchPaddingException("Invalid padding scheme: " + |
| padding); |
| } |
| } |
| |
| int implGetBlockSize() { |
| return blockSize; |
| } |
| |
| int implGetOutputSize(int inLen) { |
| return cipher.getOutputSize(inLen); |
| } |
| |
| byte[] implGetIV() { |
| return cipher.getIV(); |
| } |
| |
| AlgorithmParameters implGetParameters() { |
| AlgorithmParameters params = null; |
| if (salt == null) { |
| // Cipher is not initialized with parameters; |
| // follow the recommendation in PKCS12 v1.0 |
| // section B.4 to generate salt and iCount. |
| salt = new byte[DEFAULT_SALT_LENGTH]; |
| SunJCE.getRandom().nextBytes(salt); |
| iCount = DEFAULT_COUNT; |
| } |
| PBEParameterSpec pbeSpec = new PBEParameterSpec(salt, iCount); |
| try { |
| params = AlgorithmParameters.getInstance(pbeAlgo, |
| SunJCE.getInstance()); |
| params.init(pbeSpec); |
| } catch (NoSuchAlgorithmException nsae) { |
| // should never happen |
| throw new RuntimeException( |
| "SunJCE provider is not configured properly"); |
| } catch (InvalidParameterSpecException ipse) { |
| // should never happen |
| throw new RuntimeException("PBEParameterSpec not supported"); |
| } |
| return params; |
| } |
| |
| void implInit(int opmode, Key key, AlgorithmParameterSpec params, |
| SecureRandom random) throws InvalidKeyException, |
| InvalidAlgorithmParameterException { |
| implInit(opmode, key, params, random, null); |
| } |
| |
| void implInit(int opmode, Key key, AlgorithmParameterSpec params, |
| SecureRandom random, CipherSpi cipherImpl) |
| throws InvalidKeyException, |
| InvalidAlgorithmParameterException { |
| char[] passwdChars = null; |
| salt = null; |
| iCount = 0; |
| if (key instanceof javax.crypto.interfaces.PBEKey) { |
| javax.crypto.interfaces.PBEKey pbeKey = |
| (javax.crypto.interfaces.PBEKey) key; |
| passwdChars = pbeKey.getPassword(); |
| salt = pbeKey.getSalt(); // maybe null if unspecified |
| iCount = pbeKey.getIterationCount(); // maybe 0 if unspecified |
| } else if (key instanceof SecretKey) { |
| byte[] passwdBytes = key.getEncoded(); |
| if ((passwdBytes == null) || |
| !(key.getAlgorithm().regionMatches(true, 0, "PBE", 0, 3))) { |
| throw new InvalidKeyException("Missing password"); |
| } |
| passwdChars = new char[passwdBytes.length]; |
| for (int i=0; i<passwdChars.length; i++) { |
| passwdChars[i] = (char) (passwdBytes[i] & 0x7f); |
| } |
| } else { |
| throw new InvalidKeyException("SecretKey of PBE type required"); |
| } |
| |
| if (((opmode == Cipher.DECRYPT_MODE) || |
| (opmode == Cipher.UNWRAP_MODE)) && |
| ((params == null) && ((salt == null) || (iCount == 0)))) { |
| throw new InvalidAlgorithmParameterException |
| ("Parameters missing"); |
| } |
| |
| if (params == null) { |
| // generate default for salt and iteration count if necessary |
| if (salt == null) { |
| salt = new byte[DEFAULT_SALT_LENGTH]; |
| if (random != null) { |
| random.nextBytes(salt); |
| } else { |
| SunJCE.getRandom().nextBytes(salt); |
| } |
| } |
| if (iCount == 0) iCount = DEFAULT_COUNT; |
| } else if (!(params instanceof PBEParameterSpec)) { |
| throw new InvalidAlgorithmParameterException |
| ("PBEParameterSpec type required"); |
| } else { |
| PBEParameterSpec pbeParams = (PBEParameterSpec) params; |
| // make sure the parameter values are consistent |
| if (salt != null) { |
| if (!Arrays.equals(salt, pbeParams.getSalt())) { |
| throw new InvalidAlgorithmParameterException |
| ("Inconsistent value of salt between key and params"); |
| } |
| } else { |
| salt = pbeParams.getSalt(); |
| } |
| if (iCount != 0) { |
| if (iCount != pbeParams.getIterationCount()) { |
| throw new InvalidAlgorithmParameterException |
| ("Different iteration count between key and params"); |
| } |
| } else { |
| iCount = pbeParams.getIterationCount(); |
| } |
| } |
| // salt is recommended to be ideally as long as the output |
| // of the hash function. However, it may be too strict to |
| // force this; so instead, we'll just require the minimum |
| // salt length to be 8-byte which is what PKCS#5 recommends |
| // and openssl does. |
| if (salt.length < 8) { |
| throw new InvalidAlgorithmParameterException |
| ("Salt must be at least 8 bytes long"); |
| } |
| if (iCount <= 0) { |
| throw new InvalidAlgorithmParameterException |
| ("IterationCount must be a positive number"); |
| } |
| byte[] derivedKey = derive(passwdChars, salt, iCount, |
| keySize, CIPHER_KEY); |
| SecretKey cipherKey = new SecretKeySpec(derivedKey, algo); |
| |
| if (cipherImpl != null && cipherImpl instanceof ARCFOURCipher) { |
| ((ARCFOURCipher)cipherImpl).engineInit(opmode, cipherKey, random); |
| |
| } else { |
| byte[] derivedIv = derive(passwdChars, salt, iCount, 8, |
| CIPHER_IV); |
| IvParameterSpec ivSpec = new IvParameterSpec(derivedIv, 0, 8); |
| |
| // initialize the underlying cipher |
| cipher.init(opmode, cipherKey, ivSpec, random); |
| } |
| } |
| |
| void implInit(int opmode, Key key, AlgorithmParameters params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| implInit(opmode, key, params, random, null); |
| } |
| |
| void implInit(int opmode, Key key, AlgorithmParameters params, |
| SecureRandom random, CipherSpi cipherImpl) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| AlgorithmParameterSpec paramSpec = null; |
| if (params != null) { |
| try { |
| paramSpec = params.getParameterSpec(PBEParameterSpec.class); |
| } catch (InvalidParameterSpecException ipse) { |
| throw new InvalidAlgorithmParameterException( |
| "requires PBE parameters"); |
| } |
| } |
| implInit(opmode, key, paramSpec, random, cipherImpl); |
| } |
| |
| void implInit(int opmode, Key key, SecureRandom random) |
| throws InvalidKeyException { |
| implInit(opmode, key, random, null); |
| } |
| |
| void implInit(int opmode, Key key, SecureRandom random, |
| CipherSpi cipherImpl) throws InvalidKeyException { |
| try { |
| implInit(opmode, key, (AlgorithmParameterSpec) null, random, |
| cipherImpl); |
| } catch (InvalidAlgorithmParameterException iape) { |
| throw new InvalidKeyException("requires PBE parameters"); |
| } |
| } |
| |
| byte[] implUpdate(byte[] in, int inOff, int inLen) { |
| return cipher.update(in, inOff, inLen); |
| } |
| |
| int implUpdate(byte[] in, int inOff, int inLen, byte[] out, int outOff) |
| throws ShortBufferException { |
| return cipher.update(in, inOff, inLen, out, outOff); |
| } |
| |
| byte[] implDoFinal(byte[] in, int inOff, int inLen) |
| throws IllegalBlockSizeException, BadPaddingException { |
| return cipher.doFinal(in, inOff, inLen); |
| } |
| |
| int implDoFinal(byte[] in, int inOff, int inLen, byte[] out, int outOff) |
| throws ShortBufferException, IllegalBlockSizeException, |
| BadPaddingException { |
| return cipher.doFinal(in, inOff, inLen, out, outOff); |
| } |
| |
| int implGetKeySize(Key key) throws InvalidKeyException { |
| return keyLength; |
| } |
| |
| byte[] implWrap(Key key) throws IllegalBlockSizeException, |
| InvalidKeyException { |
| return cipher.wrap(key); |
| } |
| |
| Key implUnwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, |
| int wrappedKeyType) |
| throws InvalidKeyException, NoSuchAlgorithmException { |
| return cipher.unwrap(wrappedKey, wrappedKeyAlgorithm, |
| wrappedKeyType); |
| } |
| |
| public static final class PBEWithSHA1AndDESede extends CipherSpi { |
| private final PKCS12PBECipherCore core; |
| public PBEWithSHA1AndDESede() throws NoSuchAlgorithmException { |
| core = new PKCS12PBECipherCore("DESede", 24); |
| } |
| protected byte[] engineDoFinal(byte[] in, int inOff, int inLen) |
| throws IllegalBlockSizeException, BadPaddingException { |
| return core.implDoFinal(in, inOff, inLen); |
| } |
| protected int engineDoFinal(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException, IllegalBlockSizeException, |
| BadPaddingException { |
| return core.implDoFinal(in, inOff, inLen, out, outOff); |
| } |
| protected int engineGetBlockSize() { |
| return core.implGetBlockSize(); |
| } |
| protected byte[] engineGetIV() { |
| return core.implGetIV(); |
| } |
| protected int engineGetKeySize(Key key) throws InvalidKeyException { |
| return core.implGetKeySize(key); |
| } |
| protected int engineGetOutputSize(int inLen) { |
| return core.implGetOutputSize(inLen); |
| } |
| protected AlgorithmParameters engineGetParameters() { |
| return core.implGetParameters(); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameterSpec params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameters params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random); |
| } |
| protected void engineInit(int opmode, Key key, SecureRandom random) |
| throws InvalidKeyException { |
| core.implInit(opmode, key, random); |
| } |
| protected void engineSetMode(String mode) |
| throws NoSuchAlgorithmException { |
| core.implSetMode(mode); |
| } |
| protected void engineSetPadding(String paddingScheme) |
| throws NoSuchPaddingException { |
| core.implSetPadding(paddingScheme); |
| } |
| protected Key engineUnwrap(byte[] wrappedKey, |
| String wrappedKeyAlgorithm, |
| int wrappedKeyType) |
| throws InvalidKeyException, NoSuchAlgorithmException { |
| return core.implUnwrap(wrappedKey, wrappedKeyAlgorithm, |
| wrappedKeyType); |
| } |
| protected byte[] engineUpdate(byte[] in, int inOff, int inLen) { |
| return core.implUpdate(in, inOff, inLen); |
| } |
| protected int engineUpdate(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException { |
| return core.implUpdate(in, inOff, inLen, out, outOff); |
| } |
| protected byte[] engineWrap(Key key) |
| throws IllegalBlockSizeException, InvalidKeyException { |
| return core.implWrap(key); |
| } |
| } |
| |
| public static final class PBEWithSHA1AndRC2_40 extends CipherSpi { |
| private final PKCS12PBECipherCore core; |
| public PBEWithSHA1AndRC2_40() throws NoSuchAlgorithmException { |
| core = new PKCS12PBECipherCore("RC2", 5); |
| } |
| protected byte[] engineDoFinal(byte[] in, int inOff, int inLen) |
| throws IllegalBlockSizeException, BadPaddingException { |
| return core.implDoFinal(in, inOff, inLen); |
| } |
| protected int engineDoFinal(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException, IllegalBlockSizeException, |
| BadPaddingException { |
| return core.implDoFinal(in, inOff, inLen, out, outOff); |
| } |
| protected int engineGetBlockSize() { |
| return core.implGetBlockSize(); |
| } |
| protected byte[] engineGetIV() { |
| return core.implGetIV(); |
| } |
| protected int engineGetKeySize(Key key) throws InvalidKeyException { |
| return core.implGetKeySize(key); |
| } |
| protected int engineGetOutputSize(int inLen) { |
| return core.implGetOutputSize(inLen); |
| } |
| protected AlgorithmParameters engineGetParameters() { |
| return core.implGetParameters(); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameterSpec params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameters params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random); |
| } |
| protected void engineInit(int opmode, Key key, SecureRandom random) |
| throws InvalidKeyException { |
| core.implInit(opmode, key, random); |
| } |
| protected void engineSetMode(String mode) |
| throws NoSuchAlgorithmException { |
| core.implSetMode(mode); |
| } |
| protected void engineSetPadding(String paddingScheme) |
| throws NoSuchPaddingException { |
| core.implSetPadding(paddingScheme); |
| } |
| protected Key engineUnwrap(byte[] wrappedKey, |
| String wrappedKeyAlgorithm, |
| int wrappedKeyType) |
| throws InvalidKeyException, NoSuchAlgorithmException { |
| return core.implUnwrap(wrappedKey, wrappedKeyAlgorithm, |
| wrappedKeyType); |
| } |
| protected byte[] engineUpdate(byte[] in, int inOff, int inLen) { |
| return core.implUpdate(in, inOff, inLen); |
| } |
| protected int engineUpdate(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException { |
| return core.implUpdate(in, inOff, inLen, out, outOff); |
| } |
| protected byte[] engineWrap(Key key) |
| throws IllegalBlockSizeException, InvalidKeyException { |
| return core.implWrap(key); |
| } |
| } |
| |
| public static final class PBEWithSHA1AndRC2_128 extends CipherSpi { |
| private final PKCS12PBECipherCore core; |
| public PBEWithSHA1AndRC2_128() throws NoSuchAlgorithmException { |
| core = new PKCS12PBECipherCore("RC2", 16); |
| } |
| protected byte[] engineDoFinal(byte[] in, int inOff, int inLen) |
| throws IllegalBlockSizeException, BadPaddingException { |
| return core.implDoFinal(in, inOff, inLen); |
| } |
| protected int engineDoFinal(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException, IllegalBlockSizeException, |
| BadPaddingException { |
| return core.implDoFinal(in, inOff, inLen, out, outOff); |
| } |
| protected int engineGetBlockSize() { |
| return core.implGetBlockSize(); |
| } |
| protected byte[] engineGetIV() { |
| return core.implGetIV(); |
| } |
| protected int engineGetKeySize(Key key) throws InvalidKeyException { |
| return core.implGetKeySize(key); |
| } |
| protected int engineGetOutputSize(int inLen) { |
| return core.implGetOutputSize(inLen); |
| } |
| protected AlgorithmParameters engineGetParameters() { |
| return core.implGetParameters(); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameterSpec params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameters params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random); |
| } |
| protected void engineInit(int opmode, Key key, SecureRandom random) |
| throws InvalidKeyException { |
| core.implInit(opmode, key, random); |
| } |
| protected void engineSetMode(String mode) |
| throws NoSuchAlgorithmException { |
| core.implSetMode(mode); |
| } |
| protected void engineSetPadding(String paddingScheme) |
| throws NoSuchPaddingException { |
| core.implSetPadding(paddingScheme); |
| } |
| protected Key engineUnwrap(byte[] wrappedKey, |
| String wrappedKeyAlgorithm, |
| int wrappedKeyType) |
| throws InvalidKeyException, NoSuchAlgorithmException { |
| return core.implUnwrap(wrappedKey, wrappedKeyAlgorithm, |
| wrappedKeyType); |
| } |
| protected byte[] engineUpdate(byte[] in, int inOff, int inLen) { |
| return core.implUpdate(in, inOff, inLen); |
| } |
| protected int engineUpdate(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException { |
| return core.implUpdate(in, inOff, inLen, out, outOff); |
| } |
| protected byte[] engineWrap(Key key) |
| throws IllegalBlockSizeException, InvalidKeyException { |
| return core.implWrap(key); |
| } |
| } |
| |
| public static final class PBEWithSHA1AndRC4_40 extends CipherSpi { |
| private static final int RC4_KEYSIZE = 5; |
| private final PKCS12PBECipherCore core; |
| private final ARCFOURCipher cipher; |
| |
| public PBEWithSHA1AndRC4_40() throws NoSuchAlgorithmException { |
| core = new PKCS12PBECipherCore("RC4", RC4_KEYSIZE); |
| cipher = new ARCFOURCipher(); |
| } |
| protected byte[] engineDoFinal(byte[] in, int inOff, int inLen) |
| throws IllegalBlockSizeException, BadPaddingException { |
| return cipher.engineDoFinal(in, inOff, inLen); |
| } |
| protected int engineDoFinal(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException, IllegalBlockSizeException, |
| BadPaddingException { |
| return cipher.engineDoFinal(in, inOff, inLen, out, outOff); |
| } |
| protected int engineGetBlockSize() { |
| return cipher.engineGetBlockSize(); |
| } |
| protected byte[] engineGetIV() { |
| return cipher.engineGetIV(); |
| } |
| protected int engineGetKeySize(Key key) throws InvalidKeyException { |
| return RC4_KEYSIZE; |
| } |
| protected int engineGetOutputSize(int inLen) { |
| return cipher.engineGetOutputSize(inLen); |
| } |
| protected AlgorithmParameters engineGetParameters() { |
| return core.implGetParameters(); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameterSpec params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random, cipher); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameters params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random, cipher); |
| } |
| protected void engineInit(int opmode, Key key, SecureRandom random) |
| throws InvalidKeyException { |
| core.implInit(opmode, key, random, cipher); |
| } |
| protected void engineSetMode(String mode) |
| throws NoSuchAlgorithmException { |
| if (mode.equalsIgnoreCase("ECB") == false) { |
| throw new NoSuchAlgorithmException("Unsupported mode " + mode); |
| } |
| } |
| protected void engineSetPadding(String paddingScheme) |
| throws NoSuchPaddingException { |
| if (paddingScheme.equalsIgnoreCase("NoPadding") == false) { |
| throw new NoSuchPaddingException("Padding must be NoPadding"); |
| } |
| } |
| protected Key engineUnwrap(byte[] wrappedKey, |
| String wrappedKeyAlgorithm, |
| int wrappedKeyType) |
| throws InvalidKeyException, NoSuchAlgorithmException { |
| return cipher.engineUnwrap(wrappedKey, wrappedKeyAlgorithm, |
| wrappedKeyType); |
| } |
| protected byte[] engineUpdate(byte[] in, int inOff, int inLen) { |
| return cipher.engineUpdate(in, inOff, inLen); |
| } |
| protected int engineUpdate(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException { |
| return cipher.engineUpdate(in, inOff, inLen, out, outOff); |
| } |
| protected byte[] engineWrap(Key key) |
| throws IllegalBlockSizeException, InvalidKeyException { |
| return cipher.engineWrap(key); |
| } |
| } |
| |
| public static final class PBEWithSHA1AndRC4_128 extends CipherSpi { |
| private static final int RC4_KEYSIZE = 16; |
| private final PKCS12PBECipherCore core; |
| private final ARCFOURCipher cipher; |
| |
| public PBEWithSHA1AndRC4_128() throws NoSuchAlgorithmException { |
| core = new PKCS12PBECipherCore("RC4", RC4_KEYSIZE); |
| cipher = new ARCFOURCipher(); |
| } |
| protected byte[] engineDoFinal(byte[] in, int inOff, int inLen) |
| throws IllegalBlockSizeException, BadPaddingException { |
| return cipher.engineDoFinal(in, inOff, inLen); |
| } |
| protected int engineDoFinal(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException, IllegalBlockSizeException, |
| BadPaddingException { |
| return cipher.engineDoFinal(in, inOff, inLen, out, outOff); |
| } |
| protected int engineGetBlockSize() { |
| return cipher.engineGetBlockSize(); |
| } |
| protected byte[] engineGetIV() { |
| return cipher.engineGetIV(); |
| } |
| protected int engineGetKeySize(Key key) throws InvalidKeyException { |
| return RC4_KEYSIZE; |
| } |
| protected int engineGetOutputSize(int inLen) { |
| return cipher.engineGetOutputSize(inLen); |
| } |
| protected AlgorithmParameters engineGetParameters() { |
| return core.implGetParameters(); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameterSpec params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random, cipher); |
| } |
| protected void engineInit(int opmode, Key key, |
| AlgorithmParameters params, |
| SecureRandom random) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| core.implInit(opmode, key, params, random, cipher); |
| } |
| protected void engineInit(int opmode, Key key, SecureRandom random) |
| throws InvalidKeyException { |
| core.implInit(opmode, key, random, cipher); |
| } |
| protected void engineSetMode(String mode) |
| throws NoSuchAlgorithmException { |
| if (mode.equalsIgnoreCase("ECB") == false) { |
| throw new NoSuchAlgorithmException("Unsupported mode " + mode); |
| } |
| } |
| protected void engineSetPadding(String paddingScheme) |
| throws NoSuchPaddingException { |
| if (paddingScheme.equalsIgnoreCase("NoPadding") == false) { |
| throw new NoSuchPaddingException("Padding must be NoPadding"); |
| } |
| } |
| protected Key engineUnwrap(byte[] wrappedKey, |
| String wrappedKeyAlgorithm, |
| int wrappedKeyType) |
| throws InvalidKeyException, NoSuchAlgorithmException { |
| return cipher.engineUnwrap(wrappedKey, wrappedKeyAlgorithm, |
| wrappedKeyType); |
| } |
| protected byte[] engineUpdate(byte[] in, int inOff, int inLen) { |
| return cipher.engineUpdate(in, inOff, inLen); |
| } |
| protected int engineUpdate(byte[] in, int inOff, int inLen, |
| byte[] out, int outOff) |
| throws ShortBufferException { |
| return cipher.engineUpdate(in, inOff, inLen, out, outOff); |
| } |
| protected byte[] engineWrap(Key key) |
| throws IllegalBlockSizeException, InvalidKeyException { |
| return cipher.engineWrap(key); |
| } |
| } |
| } |