Diffstat (limited to 'frontend/beta/js/Clipperz/Crypto/BigInt.js') (more/less context) (show whitespace changes)
-rw-r--r-- | frontend/beta/js/Clipperz/Crypto/BigInt.js | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/frontend/beta/js/Clipperz/Crypto/BigInt.js b/frontend/beta/js/Clipperz/Crypto/BigInt.js index 41483a3..197cd9a 100644 --- a/frontend/beta/js/Clipperz/Crypto/BigInt.js +++ b/frontend/beta/js/Clipperz/Crypto/BigInt.js | |||
@@ -1,70 +1,68 @@ | |||
1 | /* | 1 | /* |
2 | 2 | ||
3 | Copyright 2008-2011 Clipperz Srl | 3 | Copyright 2008-2013 Clipperz Srl |
4 | 4 | ||
5 | This file is part of Clipperz Community Edition. | 5 | This file is part of Clipperz, the online password manager. |
6 | Clipperz Community Edition is an online password manager. | ||
7 | For further information about its features and functionalities please | 6 | For further information about its features and functionalities please |
8 | refer to http://www.clipperz.com. | 7 | refer 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 | ||
26 | if (typeof(Clipperz) == 'undefined') { Clipperz = {}; } | 24 | if (typeof(Clipperz) == 'undefined') { Clipperz = {}; } |
27 | if (typeof(Clipperz.Crypto) == 'undefined') { Clipperz.Crypto = {}; } | 25 | if (typeof(Clipperz.Crypto) == 'undefined') { Clipperz.Crypto = {}; } |
28 | 26 | ||
29 | //############################################################################# | 27 | //############################################################################# |
30 | //Downloaded on March 05, 2007 from http://www.leemon.com/crypto/BigInt.js | 28 | //Downloaded on March 05, 2007 from http://www.leemon.com/crypto/BigInt.js |
31 | //############################################################################# | 29 | //############################################################################# |
32 | 30 | ||
33 | 31 | ||
34 | //////////////////////////////////////////////////////////////////////////////////////// | 32 | //////////////////////////////////////////////////////////////////////////////////////// |
35 | // Big Integer Library v. 5.0 | 33 | // Big Integer Library v. 5.0 |
36 | // Created 2000, last modified 2006 | 34 | // Created 2000, last modified 2006 |
37 | // Leemon Baird | 35 | // Leemon Baird |
38 | // www.leemon.com | 36 | // www.leemon.com |
39 | // | 37 | // |
40 | // This file is public domain. You can use it for any purpose without restriction. | 38 | // This file is public domain. You can use it for any purpose without restriction. |
41 | // I do not guarantee that it is correct, so use it at your own risk. If you use | 39 | // I do not guarantee that it is correct, so use it at your own risk. If you use |
42 | // it for something interesting, I'd appreciate hearing about it. If you find | 40 | // it for something interesting, I'd appreciate hearing about it. If you find |
43 | // any bugs or make any improvements, I'd appreciate hearing about those too. | 41 | // any bugs or make any improvements, I'd appreciate hearing about those too. |
44 | // It would also be nice if my name and address were left in the comments. | 42 | // It would also be nice if my name and address were left in the comments. |
45 | // But none of that is required. | 43 | // But none of that is required. |
46 | // | 44 | // |
47 | // This code defines a bigInt library for arbitrary-precision integers. | 45 | // This code defines a bigInt library for arbitrary-precision integers. |
48 | // A bigInt is an array of integers storing the value in chunks of bpe bits, | 46 | // A bigInt is an array of integers storing the value in chunks of bpe bits, |
49 | // little endian (buff[0] is the least significant word). | 47 | // little endian (buff[0] is the least significant word). |
50 | // Negative bigInts are stored two's complement. | 48 | // Negative bigInts are stored two's complement. |
51 | // Some functions assume their parameters have at least one leading zero element. | 49 | // Some functions assume their parameters have at least one leading zero element. |
52 | // Functions with an underscore at the end of the name have unpredictable behavior in case of overflow, | 50 | // Functions with an underscore at the end of the name have unpredictable behavior in case of overflow, |
53 | // so the caller must make sure overflow won't happen. | 51 | // so the caller must make sure overflow won't happen. |
54 | // For each function where a parameter is modified, that same | 52 | // For each function where a parameter is modified, that same |
55 | // variable must not be used as another argument too. | 53 | // variable must not be used as another argument too. |
56 | // So, you cannot square x by doing multMod_(x,x,n). | 54 | // So, you cannot square x by doing multMod_(x,x,n). |
57 | // You must use squareMod_(x,n) instead, or do y=dup(x); multMod_(x,y,n). | 55 | // You must use squareMod_(x,n) instead, or do y=dup(x); multMod_(x,y,n). |
58 | // | 56 | // |
59 | // These functions are designed to avoid frequent dynamic memory allocation in the inner loop. | 57 | // These functions are designed to avoid frequent dynamic memory allocation in the inner loop. |
60 | // For most functions, if it needs a BigInt as a local variable it will actually use | 58 | // For most functions, if it needs a BigInt as a local variable it will actually use |
61 | // a global, and will only allocate to it when it's not the right size. This ensures | 59 | // a global, and will only allocate to it when it's not the right size. This ensures |
62 | // that when a function is called repeatedly with same-sized parameters, it only allocates | 60 | // that when a function is called repeatedly with same-sized parameters, it only allocates |
63 | // memory on the first call. | 61 | // memory on the first call. |
64 | // | 62 | // |
65 | // Note that for cryptographic purposes, the calls to Math.random() must | 63 | // Note that for cryptographic purposes, the calls to Math.random() must |
66 | // be replaced with calls to a better pseudorandom number generator. | 64 | // be replaced with calls to a better pseudorandom number generator. |
67 | // | 65 | // |
68 | // In the following, "bigInt" means a bigInt with at least one leading zero element, | 66 | // In the following, "bigInt" means a bigInt with at least one leading zero element, |
69 | // and "integer" means a nonnegative integer less than radix. In some cases, integer | 67 | // and "integer" means a nonnegative integer less than radix. In some cases, integer |
70 | // can be negative. Negative bigInts are 2s complement. | 68 | // can be negative. Negative bigInts are 2s complement. |