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path: root/frontend/beta/js/Clipperz/Crypto/AES.js
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-rw-r--r--frontend/beta/js/Clipperz/Crypto/AES.js22
1 files changed, 10 insertions, 12 deletions
diff --git a/frontend/beta/js/Clipperz/Crypto/AES.js b/frontend/beta/js/Clipperz/Crypto/AES.js
index 7ddda3e..a5c63fb 100644
--- a/frontend/beta/js/Clipperz/Crypto/AES.js
+++ b/frontend/beta/js/Clipperz/Crypto/AES.js
@@ -1,214 +1,212 @@
1/* 1/*
2 2
3Copyright 2008-2011 Clipperz Srl 3Copyright 2008-2013 Clipperz Srl
4 4
5This file is part of Clipperz Community Edition. 5This file is part of Clipperz, the online password manager.
6Clipperz Community Edition is an online password manager.
7For further information about its features and functionalities please 6For further information about its features and functionalities please
8refer to http://www.clipperz.com. 7refer to http://www.clipperz.com.
9 8
10* Clipperz Community Edition is free software: you can redistribute 9* Clipperz is free software: you can redistribute it and/or modify it
11 it and/or modify it under the terms of the GNU Affero General Public 10 under the terms of the GNU Affero General Public License as published
12 License as published by the Free Software Foundation, either version 11 by the Free Software Foundation, either version 3 of the License, or
13 3 of the License, or (at your option) any later version. 12 (at your option) any later version.
14 13
15* Clipperz Community Edition is distributed in the hope that it will 14* Clipperz is distributed in the hope that it will be useful, but
16 be useful, but WITHOUT ANY WARRANTY; without even the implied 15 WITHOUT ANY WARRANTY; without even the implied warranty of
17 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
18 See the GNU Affero General Public License for more details. 17 See the GNU Affero General Public License for more details.
19 18
20* You should have received a copy of the GNU Affero General Public 19* You should have received a copy of the GNU Affero General Public
21 License along with Clipperz Community Edition. If not, see 20 License along with Clipperz. If not, see http://www.gnu.org/licenses/.
22 <http://www.gnu.org/licenses/>.
23 21
24*/ 22*/
25 23
26try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) { 24try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) {
27 throw "Clipperz.Crypto.AES depends on Clipperz.ByteArray!"; 25 throw "Clipperz.Crypto.AES depends on Clipperz.ByteArray!";
28} 26}
29 27
30 //Dependency commented to avoid a circular reference 28 //Dependency commented to avoid a circular reference
31//try { if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { throw ""; }} catch (e) { 29//try { if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { throw ""; }} catch (e) {
32 //throw "Clipperz.Crypto.AES depends on Clipperz.Crypto.PRNG!"; 30 //throw "Clipperz.Crypto.AES depends on Clipperz.Crypto.PRNG!";
33//} 31//}
34 32
35if (typeof(Clipperz.Crypto.AES) == 'undefined') { Clipperz.Crypto.AES = {}; } 33if (typeof(Clipperz.Crypto.AES) == 'undefined') { Clipperz.Crypto.AES = {}; }
36 34
37//############################################################################# 35//#############################################################################
38 36
39Clipperz.Crypto.AES.DeferredExecutionContext = function(args) { 37Clipperz.Crypto.AES.DeferredExecutionContext = function(args) {
40 args = args || {}; 38 args = args || {};
41 39
42 this._key = args.key; 40 this._key = args.key;
43 this._message = args.message; 41 this._message = args.message;
44 this._result = args.message.clone(); 42 this._result = args.message.clone();
45 this._nonce = args.nonce; 43 this._nonce = args.nonce;
46 this._messageLength = this._message.length(); 44 this._messageLength = this._message.length();
47 45
48 this._messageArray = this._message.arrayValues(); 46 this._messageArray = this._message.arrayValues();
49 this._resultArray = this._result.arrayValues(); 47 this._resultArray = this._result.arrayValues();
50 this._nonceArray = this._nonce.arrayValues(); 48 this._nonceArray = this._nonce.arrayValues();
51 49
52 this._executionStep = 0; 50 this._executionStep = 0;
53 51
54 return this; 52 return this;
55} 53}
56 54
57Clipperz.Crypto.AES.DeferredExecutionContext.prototype = MochiKit.Base.update(null, { 55Clipperz.Crypto.AES.DeferredExecutionContext.prototype = MochiKit.Base.update(null, {
58 56
59 'key': function() { 57 'key': function() {
60 return this._key; 58 return this._key;
61 }, 59 },
62 60
63 'message': function() { 61 'message': function() {
64 return this._message; 62 return this._message;
65 }, 63 },
66 64
67 'messageLength': function() { 65 'messageLength': function() {
68 return this._messageLength; 66 return this._messageLength;
69 }, 67 },
70 68
71 'result': function() { 69 'result': function() {
72 return new Clipperz.ByteArray(this.resultArray()); 70 return new Clipperz.ByteArray(this.resultArray());
73 }, 71 },
74 72
75 'nonce': function() { 73 'nonce': function() {
76 return this._nonce; 74 return this._nonce;
77 }, 75 },
78 76
79 'messageArray': function() { 77 'messageArray': function() {
80 return this._messageArray; 78 return this._messageArray;
81 }, 79 },
82 80
83 'resultArray': function() { 81 'resultArray': function() {
84 return this._resultArray; 82 return this._resultArray;
85 }, 83 },
86 84
87 'nonceArray': function() { 85 'nonceArray': function() {
88 return this._nonceArray; 86 return this._nonceArray;
89 }, 87 },
90 88
91 'elaborationChunkSize': function() { 89 'elaborationChunkSize': function() {
92 return Clipperz.Crypto.AES.DeferredExecution.chunkSize; 90 return Clipperz.Crypto.AES.DeferredExecution.chunkSize;
93 }, 91 },
94 92
95 'executionStep': function() { 93 'executionStep': function() {
96 return this._executionStep; 94 return this._executionStep;
97 }, 95 },
98 96
99 'setExecutionStep': function(aValue) { 97 'setExecutionStep': function(aValue) {
100 this._executionStep = aValue; 98 this._executionStep = aValue;
101 }, 99 },
102 100
103 'pause': function(aValue) { 101 'pause': function(aValue) {
104 return MochiKit.Async.wait(Clipperz.Crypto.AES.DeferredExecution.pauseTime, aValue); 102 return MochiKit.Async.wait(Clipperz.Crypto.AES.DeferredExecution.pauseTime, aValue);
105 }, 103 },
106 104
107 //----------------------------------------------------------------------------- 105 //-----------------------------------------------------------------------------
108 __syntaxFix__: "syntax fix" 106 __syntaxFix__: "syntax fix"
109 107
110}); 108});
111 109
112//############################################################################# 110//#############################################################################
113 111
114Clipperz.Crypto.AES.Key = function(args) { 112Clipperz.Crypto.AES.Key = function(args) {
115 args = args || {}; 113 args = args || {};
116 114
117 this._key = args.key; 115 this._key = args.key;
118 this._keySize = args.keySize || this.key().length(); 116 this._keySize = args.keySize || this.key().length();
119 117
120 if (this.keySize() == 128/8) { 118 if (this.keySize() == 128/8) {
121 this._b = 176; 119 this._b = 176;
122 this._numberOfRounds = 10; 120 this._numberOfRounds = 10;
123 } else if (this.keySize() == 256/8) { 121 } else if (this.keySize() == 256/8) {
124 this._b = 240; 122 this._b = 240;
125 this._numberOfRounds = 14; 123 this._numberOfRounds = 14;
126 } else { 124 } else {
127 MochiKit.Logging.logError("AES unsupported key size: " + (this.keySize() * 8) + " bits"); 125 MochiKit.Logging.logError("AES unsupported key size: " + (this.keySize() * 8) + " bits");
128 throw Clipperz.Crypto.AES.exception.UnsupportedKeySize; 126 throw Clipperz.Crypto.AES.exception.UnsupportedKeySize;
129 } 127 }
130 128
131 this._stretchedKey = null; 129 this._stretchedKey = null;
132 130
133 return this; 131 return this;
134} 132}
135 133
136Clipperz.Crypto.AES.Key.prototype = MochiKit.Base.update(null, { 134Clipperz.Crypto.AES.Key.prototype = MochiKit.Base.update(null, {
137 135
138 'asString': function() { 136 'asString': function() {
139 return "Clipperz.Crypto.AES.Key (" + this.key().toHexString() + ")"; 137 return "Clipperz.Crypto.AES.Key (" + this.key().toHexString() + ")";
140 }, 138 },
141 139
142 //----------------------------------------------------------------------------- 140 //-----------------------------------------------------------------------------
143 141
144 'key': function() { 142 'key': function() {
145 return this._key; 143 return this._key;
146 }, 144 },
147 145
148 'keySize': function() { 146 'keySize': function() {
149 return this._keySize; 147 return this._keySize;
150 }, 148 },
151 149
152 'b': function() { 150 'b': function() {
153 return this._b; 151 return this._b;
154 }, 152 },
155 153
156 'numberOfRounds': function() { 154 'numberOfRounds': function() {
157 return this._numberOfRounds; 155 return this._numberOfRounds;
158 }, 156 },
159 //========================================================================= 157 //=========================================================================
160 158
161 'keyScheduleCore': function(aWord, aRoundConstantsIndex) { 159 'keyScheduleCore': function(aWord, aRoundConstantsIndex) {
162 varresult; 160 varresult;
163 var sbox; 161 var sbox;
164 162
165 sbox = Clipperz.Crypto.AES.sbox(); 163 sbox = Clipperz.Crypto.AES.sbox();
166 164
167 result = [sbox[aWord[1]] ^ Clipperz.Crypto.AES.roundConstants()[aRoundConstantsIndex], 165 result = [sbox[aWord[1]] ^ Clipperz.Crypto.AES.roundConstants()[aRoundConstantsIndex],
168 sbox[aWord[2]], 166 sbox[aWord[2]],
169 sbox[aWord[3]], 167 sbox[aWord[3]],
170 sbox[aWord[0]]]; 168 sbox[aWord[0]]];
171 169
172 return result; 170 return result;
173 }, 171 },
174 172
175 //----------------------------------------------------------------------------- 173 //-----------------------------------------------------------------------------
176 174
177 'xorWithPreviousStretchValues': function(aKey, aWord, aPreviousWordIndex) { 175 'xorWithPreviousStretchValues': function(aKey, aWord, aPreviousWordIndex) {
178 varresult; 176 varresult;
179 var i,c; 177 var i,c;
180 178
181 result = []; 179 result = [];
182 c = 4; 180 c = 4;
183 for (i=0; i<c; i++) { 181 for (i=0; i<c; i++) {
184 result[i] = aWord[i] ^ aKey.byteAtIndex(aPreviousWordIndex + i); 182 result[i] = aWord[i] ^ aKey.byteAtIndex(aPreviousWordIndex + i);
185 } 183 }
186 184
187 return result; 185 return result;
188 }, 186 },
189 187
190 //----------------------------------------------------------------------------- 188 //-----------------------------------------------------------------------------
191 189
192 'sboxShakeup': function(aWord) { 190 'sboxShakeup': function(aWord) {
193 var result; 191 var result;
194 var sbox; 192 var sbox;
195 var i,c; 193 var i,c;
196 194
197 result = []; 195 result = [];
198 sbox = Clipperz.Crypto.AES.sbox(); 196 sbox = Clipperz.Crypto.AES.sbox();
199 c =4; 197 c =4;
200 for (i=0; i<c; i++) { 198 for (i=0; i<c; i++) {
201 result[i] = sbox[aWord[i]]; 199 result[i] = sbox[aWord[i]];
202 } 200 }
203 201
204 return result; 202 return result;
205 }, 203 },
206 204
207 //----------------------------------------------------------------------------- 205 //-----------------------------------------------------------------------------
208 206
209 'stretchKey': function(aKey) { 207 'stretchKey': function(aKey) {
210 varcurrentWord; 208 varcurrentWord;
211 varkeyLength; 209 varkeyLength;
212 varpreviousStretchIndex; 210 varpreviousStretchIndex;
213 var i,c; 211 var i,c;
214 212