Mercurial > hg > NetworkVis
comparison d3s_examples/python-neo4jrestclient/static/platin/js/PieChart/PieChartHashFunctions.js @ 8:18ef6948d689
new d3s examples
author | Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> |
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date | Thu, 01 Oct 2015 17:17:27 +0200 |
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1 /* | |
2 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message | |
3 * Digest Algorithm, as defined in RFC 1321. | |
4 * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009 | |
5 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet | |
6 * Distributed under the BSD License | |
7 * See http://pajhome.org.uk/crypt/md5 for more info. | |
8 */ | |
9 | |
10 /* | |
11 * Configurable variables. You may need to tweak these to be compatible with | |
12 * the server-side, but the defaults work in most cases. | |
13 */ | |
14 var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */ | |
15 var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */ | |
16 | |
17 /* | |
18 * These are the functions you'll usually want to call | |
19 * They take string arguments and return either hex or base-64 encoded strings | |
20 */ | |
21 function hex_md5(s) { return rstr2hex(rstr_md5(str2rstr_utf8(s))); } | |
22 function b64_md5(s) { return rstr2b64(rstr_md5(str2rstr_utf8(s))); } | |
23 function any_md5(s, e) { return rstr2any(rstr_md5(str2rstr_utf8(s)), e); } | |
24 function hex_hmac_md5(k, d) | |
25 { return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); } | |
26 function b64_hmac_md5(k, d) | |
27 { return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); } | |
28 function any_hmac_md5(k, d, e) | |
29 { return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e); } | |
30 | |
31 /* | |
32 * Perform a simple self-test to see if the VM is working | |
33 */ | |
34 function md5_vm_test() | |
35 { | |
36 return hex_md5("abc").toLowerCase() == "900150983cd24fb0d6963f7d28e17f72"; | |
37 } | |
38 | |
39 /* | |
40 * Calculate the MD5 of a raw string | |
41 */ | |
42 function rstr_md5(s) | |
43 { | |
44 return binl2rstr(binl_md5(rstr2binl(s), s.length * 8)); | |
45 } | |
46 | |
47 /* | |
48 * Calculate the HMAC-MD5, of a key and some data (raw strings) | |
49 */ | |
50 function rstr_hmac_md5(key, data) | |
51 { | |
52 var bkey = rstr2binl(key); | |
53 if(bkey.length > 16) bkey = binl_md5(bkey, key.length * 8); | |
54 | |
55 var ipad = Array(16), opad = Array(16); | |
56 for(var i = 0; i < 16; i++) | |
57 { | |
58 ipad[i] = bkey[i] ^ 0x36363636; | |
59 opad[i] = bkey[i] ^ 0x5C5C5C5C; | |
60 } | |
61 | |
62 var hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8); | |
63 return binl2rstr(binl_md5(opad.concat(hash), 512 + 128)); | |
64 } | |
65 | |
66 /* | |
67 * Convert a raw string to a hex string | |
68 */ | |
69 function rstr2hex(input) | |
70 { | |
71 try { hexcase } catch(e) { hexcase=0; } | |
72 var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; | |
73 var output = ""; | |
74 var x; | |
75 for(var i = 0; i < input.length; i++) | |
76 { | |
77 x = input.charCodeAt(i); | |
78 output += hex_tab.charAt((x >>> 4) & 0x0F) | |
79 + hex_tab.charAt( x & 0x0F); | |
80 } | |
81 return output; | |
82 } | |
83 | |
84 /* | |
85 * Convert a raw string to a base-64 string | |
86 */ | |
87 function rstr2b64(input) | |
88 { | |
89 try { b64pad } catch(e) { b64pad=''; } | |
90 var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; | |
91 var output = ""; | |
92 var len = input.length; | |
93 for(var i = 0; i < len; i += 3) | |
94 { | |
95 var triplet = (input.charCodeAt(i) << 16) | |
96 | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0) | |
97 | (i + 2 < len ? input.charCodeAt(i+2) : 0); | |
98 for(var j = 0; j < 4; j++) | |
99 { | |
100 if(i * 8 + j * 6 > input.length * 8) output += b64pad; | |
101 else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F); | |
102 } | |
103 } | |
104 return output; | |
105 } | |
106 | |
107 /* | |
108 * Convert a raw string to an arbitrary string encoding | |
109 */ | |
110 function rstr2any(input, encoding) | |
111 { | |
112 var divisor = encoding.length; | |
113 var i, j, q, x, quotient; | |
114 | |
115 /* Convert to an array of 16-bit big-endian values, forming the dividend */ | |
116 var dividend = Array(Math.ceil(input.length / 2)); | |
117 for(i = 0; i < dividend.length; i++) | |
118 { | |
119 dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1); | |
120 } | |
121 | |
122 /* | |
123 * Repeatedly perform a long division. The binary array forms the dividend, | |
124 * the length of the encoding is the divisor. Once computed, the quotient | |
125 * forms the dividend for the next step. All remainders are stored for later | |
126 * use. | |
127 */ | |
128 var full_length = Math.ceil(input.length * 8 / | |
129 (Math.log(encoding.length) / Math.log(2))); | |
130 var remainders = Array(full_length); | |
131 for(j = 0; j < full_length; j++) | |
132 { | |
133 quotient = Array(); | |
134 x = 0; | |
135 for(i = 0; i < dividend.length; i++) | |
136 { | |
137 x = (x << 16) + dividend[i]; | |
138 q = Math.floor(x / divisor); | |
139 x -= q * divisor; | |
140 if(quotient.length > 0 || q > 0) | |
141 quotient[quotient.length] = q; | |
142 } | |
143 remainders[j] = x; | |
144 dividend = quotient; | |
145 } | |
146 | |
147 /* Convert the remainders to the output string */ | |
148 var output = ""; | |
149 for(i = remainders.length - 1; i >= 0; i--) | |
150 output += encoding.charAt(remainders[i]); | |
151 | |
152 return output; | |
153 } | |
154 | |
155 /* | |
156 * Encode a string as utf-8. | |
157 * For efficiency, this assumes the input is valid utf-16. | |
158 */ | |
159 function str2rstr_utf8(input) | |
160 { | |
161 var output = ""; | |
162 var i = -1; | |
163 var x, y; | |
164 | |
165 while(++i < input.length) | |
166 { | |
167 /* Decode utf-16 surrogate pairs */ | |
168 x = input.charCodeAt(i); | |
169 y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0; | |
170 if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF) | |
171 { | |
172 x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF); | |
173 i++; | |
174 } | |
175 | |
176 /* Encode output as utf-8 */ | |
177 if(x <= 0x7F) | |
178 output += String.fromCharCode(x); | |
179 else if(x <= 0x7FF) | |
180 output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F), | |
181 0x80 | ( x & 0x3F)); | |
182 else if(x <= 0xFFFF) | |
183 output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F), | |
184 0x80 | ((x >>> 6 ) & 0x3F), | |
185 0x80 | ( x & 0x3F)); | |
186 else if(x <= 0x1FFFFF) | |
187 output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07), | |
188 0x80 | ((x >>> 12) & 0x3F), | |
189 0x80 | ((x >>> 6 ) & 0x3F), | |
190 0x80 | ( x & 0x3F)); | |
191 } | |
192 return output; | |
193 } | |
194 | |
195 /* | |
196 * Encode a string as utf-16 | |
197 */ | |
198 function str2rstr_utf16le(input) | |
199 { | |
200 var output = ""; | |
201 for(var i = 0; i < input.length; i++) | |
202 output += String.fromCharCode( input.charCodeAt(i) & 0xFF, | |
203 (input.charCodeAt(i) >>> 8) & 0xFF); | |
204 return output; | |
205 } | |
206 | |
207 function str2rstr_utf16be(input) | |
208 { | |
209 var output = ""; | |
210 for(var i = 0; i < input.length; i++) | |
211 output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF, | |
212 input.charCodeAt(i) & 0xFF); | |
213 return output; | |
214 } | |
215 | |
216 /* | |
217 * Convert a raw string to an array of little-endian words | |
218 * Characters >255 have their high-byte silently ignored. | |
219 */ | |
220 function rstr2binl(input) | |
221 { | |
222 var output = Array(input.length >> 2); | |
223 for(var i = 0; i < output.length; i++) | |
224 output[i] = 0; | |
225 for(var i = 0; i < input.length * 8; i += 8) | |
226 output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32); | |
227 return output; | |
228 } | |
229 | |
230 /* | |
231 * Convert an array of little-endian words to a string | |
232 */ | |
233 function binl2rstr(input) | |
234 { | |
235 var output = ""; | |
236 for(var i = 0; i < input.length * 32; i += 8) | |
237 output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF); | |
238 return output; | |
239 } | |
240 | |
241 /* | |
242 * Calculate the MD5 of an array of little-endian words, and a bit length. | |
243 */ | |
244 function binl_md5(x, len) | |
245 { | |
246 /* append padding */ | |
247 x[len >> 5] |= 0x80 << ((len) % 32); | |
248 x[(((len + 64) >>> 9) << 4) + 14] = len; | |
249 | |
250 var a = 1732584193; | |
251 var b = -271733879; | |
252 var c = -1732584194; | |
253 var d = 271733878; | |
254 | |
255 for(var i = 0; i < x.length; i += 16) | |
256 { | |
257 var olda = a; | |
258 var oldb = b; | |
259 var oldc = c; | |
260 var oldd = d; | |
261 | |
262 a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936); | |
263 d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); | |
264 c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); | |
265 b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); | |
266 a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); | |
267 d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); | |
268 c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); | |
269 b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); | |
270 a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416); | |
271 d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); | |
272 c = md5_ff(c, d, a, b, x[i+10], 17, -42063); | |
273 b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); | |
274 a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); | |
275 d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); | |
276 c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); | |
277 b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); | |
278 | |
279 a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510); | |
280 d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); | |
281 c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); | |
282 b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); | |
283 a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); | |
284 d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083); | |
285 c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); | |
286 b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); | |
287 a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438); | |
288 d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); | |
289 c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); | |
290 b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501); | |
291 a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); | |
292 d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); | |
293 c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473); | |
294 b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); | |
295 | |
296 a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558); | |
297 d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); | |
298 c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); | |
299 b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); | |
300 a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); | |
301 d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353); | |
302 c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); | |
303 b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); | |
304 a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); | |
305 d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); | |
306 c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); | |
307 b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); | |
308 a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); | |
309 d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); | |
310 c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); | |
311 b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); | |
312 | |
313 a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); | |
314 d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); | |
315 c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); | |
316 b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); | |
317 a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); | |
318 d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); | |
319 c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); | |
320 b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); | |
321 a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); | |
322 d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); | |
323 c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); | |
324 b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); | |
325 a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); | |
326 d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); | |
327 c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); | |
328 b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); | |
329 | |
330 a = safe_add(a, olda); | |
331 b = safe_add(b, oldb); | |
332 c = safe_add(c, oldc); | |
333 d = safe_add(d, oldd); | |
334 } | |
335 return Array(a, b, c, d); | |
336 } | |
337 | |
338 /* | |
339 * These functions implement the four basic operations the algorithm uses. | |
340 */ | |
341 function md5_cmn(q, a, b, x, s, t) | |
342 { | |
343 return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b); | |
344 } | |
345 function md5_ff(a, b, c, d, x, s, t) | |
346 { | |
347 return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); | |
348 } | |
349 function md5_gg(a, b, c, d, x, s, t) | |
350 { | |
351 return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); | |
352 } | |
353 function md5_hh(a, b, c, d, x, s, t) | |
354 { | |
355 return md5_cmn(b ^ c ^ d, a, b, x, s, t); | |
356 } | |
357 function md5_ii(a, b, c, d, x, s, t) | |
358 { | |
359 return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); | |
360 } | |
361 | |
362 /* | |
363 * Add integers, wrapping at 2^32. This uses 16-bit operations internally | |
364 * to work around bugs in some JS interpreters. | |
365 */ | |
366 function safe_add(x, y) | |
367 { | |
368 var lsw = (x & 0xFFFF) + (y & 0xFFFF); | |
369 var msw = (x >> 16) + (y >> 16) + (lsw >> 16); | |
370 return (msw << 16) | (lsw & 0xFFFF); | |
371 } | |
372 | |
373 /* | |
374 * Bitwise rotate a 32-bit number to the left. | |
375 */ | |
376 function bit_rol(num, cnt) | |
377 { | |
378 return (num << cnt) | (num >>> (32 - cnt)); | |
379 } |