Wed, 10 Mar 2010 12:01:15 +0000
Add js/strophe/ directory containing Strophe
10
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
1 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
2 | * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
3 | * in FIPS PUB 180-1 |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
4 | * Version 2.1a Copyright Paul Johnston 2000 - 2002. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
5 | * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
6 | * Distributed under the BSD License |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
7 | * See http://pajhome.org.uk/crypt/md5 for details. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
8 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
9 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
10 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
11 | * Configurable variables. You may need to tweak these to be compatible with |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
12 | * the server-side, but the defaults work in most cases. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
13 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
14 | var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
15 | var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
16 | var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
17 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
18 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
19 | * These are the functions you'll usually want to call |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
20 | * They take string arguments and return either hex or base-64 encoded strings |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
21 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
22 | function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));} |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
23 | function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));} |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
24 | function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));} |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
25 | function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));} |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
26 | function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));} |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
27 | function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));} |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
28 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
29 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
30 | * Perform a simple self-test to see if the VM is working |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
31 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
32 | function sha1_vm_test() |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
33 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
34 | return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d"; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
35 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
36 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
37 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
38 | * Calculate the SHA-1 of an array of big-endian words, and a bit length |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
39 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
40 | function core_sha1(x, len) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
41 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
42 | /* append padding */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
43 | x[len >> 5] |= 0x80 << (24 - len % 32); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
44 | x[((len + 64 >> 9) << 4) + 15] = len; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
45 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
46 | var w = new Array(80); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
47 | var a = 1732584193; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
48 | var b = -271733879; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
49 | var c = -1732584194; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
50 | var d = 271733878; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
51 | var e = -1009589776; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
52 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
53 | var i, j, t, olda, oldb, oldc, oldd, olde; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
54 | for (i = 0; i < x.length; i += 16) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
55 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
56 | olda = a; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
57 | oldb = b; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
58 | oldc = c; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
59 | oldd = d; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
60 | olde = e; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
61 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
62 | for (j = 0; j < 80; j++) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
63 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
64 | if (j < 16) { w[j] = x[i + j]; } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
65 | else { w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
66 | t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
67 | safe_add(safe_add(e, w[j]), sha1_kt(j))); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
68 | e = d; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
69 | d = c; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
70 | c = rol(b, 30); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
71 | b = a; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
72 | a = t; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
73 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
74 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
75 | a = safe_add(a, olda); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
76 | b = safe_add(b, oldb); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
77 | c = safe_add(c, oldc); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
78 | d = safe_add(d, oldd); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
79 | e = safe_add(e, olde); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
80 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
81 | return [a, b, c, d, e]; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
82 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
83 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
84 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
85 | * Perform the appropriate triplet combination function for the current |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
86 | * iteration |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
87 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
88 | function sha1_ft(t, b, c, d) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
89 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
90 | if (t < 20) { return (b & c) | ((~b) & d); } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
91 | if (t < 40) { return b ^ c ^ d; } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
92 | if (t < 60) { return (b & c) | (b & d) | (c & d); } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
93 | return b ^ c ^ d; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
94 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
95 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
96 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
97 | * Determine the appropriate additive constant for the current iteration |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
98 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
99 | function sha1_kt(t) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
100 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
101 | return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
102 | (t < 60) ? -1894007588 : -899497514; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
103 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
104 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
105 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
106 | * Calculate the HMAC-SHA1 of a key and some data |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
107 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
108 | function core_hmac_sha1(key, data) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
109 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
110 | var bkey = str2binb(key); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
111 | if (bkey.length > 16) { bkey = core_sha1(bkey, key.length * chrsz); } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
112 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
113 | var ipad = new Array(16), opad = new Array(16); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
114 | for (var i = 0; i < 16; i++) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
115 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
116 | ipad[i] = bkey[i] ^ 0x36363636; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
117 | opad[i] = bkey[i] ^ 0x5C5C5C5C; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
118 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
119 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
120 | var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
121 | return core_sha1(opad.concat(hash), 512 + 160); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
122 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
123 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
124 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
125 | * Add integers, wrapping at 2^32. This uses 16-bit operations internally |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
126 | * to work around bugs in some JS interpreters. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
127 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
128 | function safe_add(x, y) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
129 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
130 | var lsw = (x & 0xFFFF) + (y & 0xFFFF); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
131 | var msw = (x >> 16) + (y >> 16) + (lsw >> 16); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
132 | return (msw << 16) | (lsw & 0xFFFF); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
133 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
134 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
135 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
136 | * Bitwise rotate a 32-bit number to the left. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
137 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
138 | function rol(num, cnt) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
139 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
140 | return (num << cnt) | (num >>> (32 - cnt)); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
141 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
142 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
143 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
144 | * Convert an 8-bit or 16-bit string to an array of big-endian words |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
145 | * In 8-bit function, characters >255 have their hi-byte silently ignored. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
146 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
147 | function str2binb(str) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
148 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
149 | var bin = []; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
150 | var mask = (1 << chrsz) - 1; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
151 | for (var i = 0; i < str.length * chrsz; i += chrsz) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
152 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
153 | bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
154 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
155 | return bin; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
156 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
157 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
158 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
159 | * Convert an array of big-endian words to a string |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
160 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
161 | function binb2str(bin) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
162 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
163 | var str = ""; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
164 | var mask = (1 << chrsz) - 1; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
165 | for (var i = 0; i < bin.length * 32; i += chrsz) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
166 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
167 | str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
168 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
169 | return str; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
170 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
171 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
172 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
173 | * Convert an array of big-endian words to a hex string. |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
174 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
175 | function binb2hex(binarray) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
176 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
177 | var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
178 | var str = ""; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
179 | for (var i = 0; i < binarray.length * 4; i++) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
180 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
181 | str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
182 | hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8 )) & 0xF); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
183 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
184 | return str; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
185 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
186 | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
187 | /* |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
188 | * Convert an array of big-endian words to a base-64 string |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
189 | */ |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
190 | function binb2b64(binarray) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
191 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
192 | var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
193 | var str = ""; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
194 | var triplet, j; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
195 | for (var i = 0; i < binarray.length * 4; i += 3) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
196 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
197 | triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16) | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
198 | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 ) | |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
199 | ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF); |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
200 | for (j = 0; j < 4; j++) |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
201 | { |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
202 | if (i * 8 + j * 6 > binarray.length * 32) { str += b64pad; } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
203 | else { str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
204 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
205 | } |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
206 | return str; |
7c8fb429c2c5
Add js/strophe/ directory containing Strophe
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
207 | } |