author | valeriep |
Tue, 08 Jan 2013 11:55:21 -0800 | |
changeset 15010 | ec6b49ce42b1 |
parent 14405 | e7fff80005c1 |
child 17918 | 37620367ceb7 |
permissions | -rw-r--r-- |
14405
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
1 |
/* |
15010 | 2 |
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
14405
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
4 |
* |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. Oracle designates this |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
8 |
* particular file as subject to the "Classpath" exception as provided |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
9 |
* by Oracle in the LICENSE file that accompanied this code. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
10 |
* |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
15 |
* accompanied this code). |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
16 |
* |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
17 |
* You should have received a copy of the GNU General Public License version |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
20 |
* |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
22 |
* or visit www.oracle.com if you need additional information or have any |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
23 |
* questions. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
24 |
*/ |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
25 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
26 |
package com.sun.crypto.provider; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
27 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
28 |
import java.util.Arrays; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
29 |
import java.nio.ByteBuffer; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
30 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
31 |
import javax.crypto.MacSpi; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
32 |
import javax.crypto.SecretKey; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
33 |
import javax.crypto.spec.SecretKeySpec; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
34 |
import javax.crypto.spec.PBEKeySpec; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
35 |
import javax.crypto.spec.PBEParameterSpec; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
36 |
import java.security.*; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
37 |
import java.security.spec.*; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
38 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
39 |
/** |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
40 |
* This is an implementation of the PBMAC1 algorithms as defined |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
41 |
* in PKCS#5 v2.1 standard. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
42 |
*/ |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
43 |
abstract class PBMAC1Core extends HmacCore { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
44 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
45 |
private static final int DEFAULT_SALT_LENGTH = 20; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
46 |
private static final int DEFAULT_COUNT = 4096; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
47 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
48 |
private final String kdfAlgo; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
49 |
private final String hashAlgo; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
50 |
private final PBKDF2Core kdf; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
51 |
private final int blockLength; // in octets |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
52 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
53 |
/** |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
54 |
* Creates an instance of PBMAC1 according to the selected |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
55 |
* password-based key derivation function. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
56 |
*/ |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
57 |
PBMAC1Core(String kdfAlgo, String hashAlgo, int blockLength) |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
58 |
throws NoSuchAlgorithmException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
59 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
60 |
super(hashAlgo, blockLength); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
61 |
this.kdfAlgo = kdfAlgo; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
62 |
this.hashAlgo = hashAlgo; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
63 |
this.blockLength = blockLength; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
64 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
65 |
switch(kdfAlgo) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
66 |
case "HmacSHA1": |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
67 |
kdf = new PBKDF2Core.HmacSHA1(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
68 |
break; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
69 |
case "HmacSHA224": |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
70 |
kdf = new PBKDF2Core.HmacSHA224(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
71 |
break; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
72 |
case "HmacSHA256": |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
73 |
kdf = new PBKDF2Core.HmacSHA256(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
74 |
break; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
75 |
case "HmacSHA384": |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
76 |
kdf = new PBKDF2Core.HmacSHA384(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
77 |
break; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
78 |
case "HmacSHA512": |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
79 |
kdf = new PBKDF2Core.HmacSHA512(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
80 |
break; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
81 |
default: |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
82 |
throw new NoSuchAlgorithmException( |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
83 |
"No MAC implementation for " + kdfAlgo); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
84 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
85 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
86 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
87 |
/** |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
88 |
* Initializes the HMAC with the given secret key and algorithm parameters. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
89 |
* |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
90 |
* @param key the secret key. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
91 |
* @param params the algorithm parameters. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
92 |
* |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
93 |
* @exception InvalidKeyException if the given key is inappropriate for |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
94 |
* initializing this MAC. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
95 |
* @exception InvalidAlgorithmParameterException if the given algorithm |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
96 |
* parameters are inappropriate for this MAC. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
97 |
*/ |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
98 |
protected void engineInit(Key key, AlgorithmParameterSpec params) |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
99 |
throws InvalidKeyException, InvalidAlgorithmParameterException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
100 |
char[] passwdChars; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
101 |
byte[] salt = null; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
102 |
int iCount = 0; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
103 |
if (key instanceof javax.crypto.interfaces.PBEKey) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
104 |
javax.crypto.interfaces.PBEKey pbeKey = |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
105 |
(javax.crypto.interfaces.PBEKey) key; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
106 |
passwdChars = pbeKey.getPassword(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
107 |
salt = pbeKey.getSalt(); // maybe null if unspecified |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
108 |
iCount = pbeKey.getIterationCount(); // maybe 0 if unspecified |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
109 |
} else if (key instanceof SecretKey) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
110 |
byte[] passwdBytes = key.getEncoded(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
111 |
if ((passwdBytes == null) || |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
112 |
!(key.getAlgorithm().regionMatches(true, 0, "PBE", 0, 3))) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
113 |
throw new InvalidKeyException("Missing password"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
114 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
115 |
passwdChars = new char[passwdBytes.length]; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
116 |
for (int i=0; i<passwdChars.length; i++) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
117 |
passwdChars[i] = (char) (passwdBytes[i] & 0x7f); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
118 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
119 |
} else { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
120 |
throw new InvalidKeyException("SecretKey of PBE type required"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
121 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
122 |
if (params == null) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
123 |
// generate default for salt and iteration count if necessary |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
124 |
if (salt == null) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
125 |
salt = new byte[DEFAULT_SALT_LENGTH]; |
15010 | 126 |
SunJCE.getRandom().nextBytes(salt); |
14405
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
127 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
128 |
if (iCount == 0) iCount = DEFAULT_COUNT; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
129 |
} else if (!(params instanceof PBEParameterSpec)) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
130 |
throw new InvalidAlgorithmParameterException |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
131 |
("PBEParameterSpec type required"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
132 |
} else { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
133 |
PBEParameterSpec pbeParams = (PBEParameterSpec) params; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
134 |
// make sure the parameter values are consistent |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
135 |
if (salt != null) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
136 |
if (!Arrays.equals(salt, pbeParams.getSalt())) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
137 |
throw new InvalidAlgorithmParameterException |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
138 |
("Inconsistent value of salt between key and params"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
139 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
140 |
} else { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
141 |
salt = pbeParams.getSalt(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
142 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
143 |
if (iCount != 0) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
144 |
if (iCount != pbeParams.getIterationCount()) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
145 |
throw new InvalidAlgorithmParameterException |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
146 |
("Different iteration count between key and params"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
147 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
148 |
} else { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
149 |
iCount = pbeParams.getIterationCount(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
150 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
151 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
152 |
// For security purpose, we need to enforce a minimum length |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
153 |
// for salt; just require the minimum salt length to be 8-byte |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
154 |
// which is what PKCS#5 recommends and openssl does. |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
155 |
if (salt.length < 8) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
156 |
throw new InvalidAlgorithmParameterException |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
157 |
("Salt must be at least 8 bytes long"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
158 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
159 |
if (iCount <= 0) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
160 |
throw new InvalidAlgorithmParameterException |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
161 |
("IterationCount must be a positive number"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
162 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
163 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
164 |
PBEKeySpec pbeSpec = |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
165 |
new PBEKeySpec(passwdChars, salt, iCount, blockLength); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
166 |
// password char[] was cloned in PBEKeySpec constructor, |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
167 |
// so we can zero it out here |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
168 |
java.util.Arrays.fill(passwdChars, ' '); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
169 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
170 |
SecretKey s = null; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
171 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
172 |
try { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
173 |
s = kdf.engineGenerateSecret(pbeSpec); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
174 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
175 |
} catch (InvalidKeySpecException ikse) { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
176 |
InvalidKeyException ike = |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
177 |
new InvalidKeyException("Cannot construct PBE key"); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
178 |
ike.initCause(ikse); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
179 |
throw ike; |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
180 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
181 |
byte[] derivedKey = s.getEncoded(); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
182 |
SecretKey cipherKey = new SecretKeySpec(derivedKey, kdfAlgo); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
183 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
184 |
super.engineInit(cipherKey, null); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
185 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
186 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
187 |
public static final class HmacSHA1 extends PBMAC1Core { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
188 |
public HmacSHA1() throws NoSuchAlgorithmException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
189 |
super("HmacSHA1", "SHA1", 64); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
190 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
191 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
192 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
193 |
public static final class HmacSHA224 extends PBMAC1Core { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
194 |
public HmacSHA224() throws NoSuchAlgorithmException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
195 |
super("HmacSHA224", "SHA-224", 64); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
196 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
197 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
198 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
199 |
public static final class HmacSHA256 extends PBMAC1Core { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
200 |
public HmacSHA256() throws NoSuchAlgorithmException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
201 |
super("HmacSHA256", "SHA-256", 64); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
202 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
203 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
204 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
205 |
public static final class HmacSHA384 extends PBMAC1Core { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
206 |
public HmacSHA384() throws NoSuchAlgorithmException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
207 |
super("HmacSHA384", "SHA-384", 128); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
208 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
209 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
210 |
|
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
211 |
public static final class HmacSHA512 extends PBMAC1Core { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
212 |
public HmacSHA512() throws NoSuchAlgorithmException { |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
213 |
super("HmacSHA512", "SHA-512", 128); |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
214 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
215 |
} |
e7fff80005c1
6383200: PBE: need new algorithm support in password based encryption
vinnie
parents:
diff
changeset
|
216 |
} |