author | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2011-10-02 23:56:18 (UTC) |
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committer | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2011-10-02 23:56:18 (UTC) |
commit | ef68436ac04da078ffdcacd7e1f785473a303d45 (patch) (unidiff) | |
tree | c403752d66a2c4775f00affd4fa8431b29c5b68c /frontend/beta/js/Clipperz/Crypto/RSA.js | |
parent | 597ecfbc0249d83e1b856cbd558340c01237a360 (diff) | |
download | clipperz-ef68436ac04da078ffdcacd7e1f785473a303d45.zip clipperz-ef68436ac04da078ffdcacd7e1f785473a303d45.tar.gz clipperz-ef68436ac04da078ffdcacd7e1f785473a303d45.tar.bz2 |
First version of the newly restructured repository
Diffstat (limited to 'frontend/beta/js/Clipperz/Crypto/RSA.js') (more/less context) (ignore whitespace changes)
-rw-r--r-- | frontend/beta/js/Clipperz/Crypto/RSA.js | 151 |
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diff --git a/frontend/beta/js/Clipperz/Crypto/RSA.js b/frontend/beta/js/Clipperz/Crypto/RSA.js new file mode 100644 index 0000000..4dad8f7 --- a/dev/null +++ b/frontend/beta/js/Clipperz/Crypto/RSA.js | |||
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1 | /* | ||
2 | |||
3 | Copyright 2008-2011 Clipperz Srl | ||
4 | |||
5 | This file is part of Clipperz's Javascript Crypto Library. | ||
6 | Javascript Crypto Library provides web developers with an extensive | ||
7 | and efficient set of cryptographic functions. The library aims to | ||
8 | obtain maximum execution speed while preserving modularity and | ||
9 | reusability. | ||
10 | For further information about its features and functionalities please | ||
11 | refer to http://www.clipperz.com | ||
12 | |||
13 | * Javascript Crypto Library is free software: you can redistribute | ||
14 | it and/or modify it under the terms of the GNU Affero General Public | ||
15 | License as published by the Free Software Foundation, either version | ||
16 | 3 of the License, or (at your option) any later version. | ||
17 | |||
18 | * Javascript Crypto Library is distributed in the hope that it will | ||
19 | be useful, but WITHOUT ANY WARRANTY; without even the implied | ||
20 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
21 | See the GNU Affero General Public License for more details. | ||
22 | |||
23 | * You should have received a copy of the GNU Affero General Public | ||
24 | License along with Javascript Crypto Library. If not, see | ||
25 | <http://www.gnu.org/licenses/>. | ||
26 | |||
27 | */ | ||
28 | |||
29 | try { if (typeof(Clipperz.Crypto.BigInt) == 'undefined') { throw ""; }} catch (e) { | ||
30 | throw "Clipperz.Crypto.RSA depends on Clipperz.Crypto.BigInt!"; | ||
31 | } | ||
32 | |||
33 | if (typeof(Clipperz.Crypto.RSA) == 'undefined') { Clipperz.Crypto.RSA = {}; } | ||
34 | |||
35 | Clipperz.Crypto.RSA.VERSION = "0.1"; | ||
36 | Clipperz.Crypto.RSA.NAME = "Clipperz.RSA"; | ||
37 | |||
38 | //############################################################################# | ||
39 | |||
40 | MochiKit.Base.update(Clipperz.Crypto.RSA, { | ||
41 | |||
42 | //------------------------------------------------------------------------- | ||
43 | |||
44 | 'publicKeyWithValues': function (e, d, n) { | ||
45 | varresult; | ||
46 | |||
47 | result = {}; | ||
48 | |||
49 | if (e.isBigInt) { | ||
50 | result.e = e; | ||
51 | } else { | ||
52 | result.e = new Clipperz.Crypto.BigInt(e, 16); | ||
53 | } | ||
54 | |||
55 | if (d.isBigInt) { | ||
56 | result.d = d; | ||
57 | } else { | ||
58 | result.d = new Clipperz.Crypto.BigInt(d, 16); | ||
59 | } | ||
60 | |||
61 | if (n.isBigInt) { | ||
62 | result.n = n; | ||
63 | } else { | ||
64 | result.n = new Clipperz.Crypto.BigInt(n, 16); | ||
65 | } | ||
66 | |||
67 | return result; | ||
68 | }, | ||
69 | |||
70 | 'privateKeyWithValues': function(e, d, n) { | ||
71 | return Clipperz.Crypto.RSA.publicKeyWithValues(e, d, n); | ||
72 | }, | ||
73 | |||
74 | //----------------------------------------------------------------------------- | ||
75 | |||
76 | 'encryptUsingPublicKey': function (aKey, aMessage) { | ||
77 | varmessageValue; | ||
78 | varresult; | ||
79 | |||
80 | messageValue = new Clipperz.Crypto.BigInt(aMessage, 16); | ||
81 | result = messageValue.powerModule(aKey.e, aKey.n); | ||
82 | |||
83 | return result.asString(16); | ||
84 | }, | ||
85 | |||
86 | //............................................................................. | ||
87 | |||
88 | 'decryptUsingPublicKey': function (aKey, aMessage) { | ||
89 | return Clipperz.Crypto.RSA.encryptUsingPublicKey(aKey, aMessage); | ||
90 | }, | ||
91 | |||
92 | //----------------------------------------------------------------------------- | ||
93 | |||
94 | 'encryptUsingPrivateKey': function (aKey, aMessage) { | ||
95 | varmessageValue; | ||
96 | varresult; | ||
97 | |||
98 | messageValue = new Clipperz.Crypto.BigInt(aMessage, 16); | ||
99 | result = messageValue.powerModule(aKey.d, aKey.n); | ||
100 | |||
101 | return result.asString(16); | ||
102 | }, | ||
103 | |||
104 | //............................................................................. | ||
105 | |||
106 | 'decryptUsingPrivateKey': function (aKey, aMessage) { | ||
107 | return Clipperz.Crypto.RSA.encryptUsingPrivateKey(aKey, aMessage); | ||
108 | }, | ||
109 | |||
110 | //----------------------------------------------------------------------------- | ||
111 | |||
112 | 'generatePublicKey': function(aNumberOfBits) { | ||
113 | varresult; | ||
114 | vare; | ||
115 | vard; | ||
116 | varn; | ||
117 | |||
118 | e = new Clipperz.Crypto.BigInt("10001", 16); | ||
119 | |||
120 | { | ||
121 | var p, q; | ||
122 | varphi; | ||
123 | |||
124 | do { | ||
125 | p = Clipperz.Crypto.BigInt.randomPrime(aNumberOfBits); | ||
126 | } while (p.module(e).equals(1)); | ||
127 | |||
128 | do { | ||
129 | q = Clipperz.Crypto.BigInt.randomPrime(aNumberOfBits); | ||
130 | } while ((q.equals(p)) || (q.module(e).equals(1))); | ||
131 | |||
132 | n = p.multiply(q); | ||
133 | phi = (p.subtract(1).multiply(q.subtract(1))); | ||
134 | d = e.powerModule(-1, phi); | ||
135 | } | ||
136 | |||
137 | result = Clipperz.Crypto.RSA.publicKeyWithValues(e, d, n); | ||
138 | |||
139 | return result; | ||
140 | }, | ||
141 | |||
142 | //------------------------------------------------------------------------- | ||
143 | |||
144 | __syntaxFix__: "syntax fix" | ||
145 | |||
146 | //------------------------------------------------------------------------- | ||
147 | |||
148 | }); | ||
149 | |||
150 | //############################################################################# | ||
151 | |||