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211 lines
8.2 KiB
211 lines
8.2 KiB
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
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// Digest Algorithm, as defined in RFC 1321.
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// Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
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// Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
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// Distributed under the BSD License
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// See http://pajhome.org.uk/crypt/md5 for more info.
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//
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function hex_md5(s) {
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return binl2hex(core_md5(str2binl(s), s.length * 8));
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}
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function core_md5(x, len) {
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/* append padding */
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x[len >> 5] |= 0x80 << ((len) % 32);
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x[(((len + 64) >>> 9) << 4) + 14] = len;
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var a = 1732584193;
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var b = -271733879;
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var c = -1732584194;
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var d = 271733878;
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for (var i = 0; i < x.length; i += 16) {
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var olda = a;
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var oldb = b;
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var oldc = c;
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var oldd = d;
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a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
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d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
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c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
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b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
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a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
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d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
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c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
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b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
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a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
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d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
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c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
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b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
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a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
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d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
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c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
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b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
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a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
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d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
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c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
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b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
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a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
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d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
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c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
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b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
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a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
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d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
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c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
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b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
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a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
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d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
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c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
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b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
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a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
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d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
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c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
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b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
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a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
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d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
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c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
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b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
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a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
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d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
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c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
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b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
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a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
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d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
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c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
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b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
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a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
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d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
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c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
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b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
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a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
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d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
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c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
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b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
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a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
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d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
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c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
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b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
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a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
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d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
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c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
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b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
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a = safe_add(a, olda);
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b = safe_add(b, oldb);
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c = safe_add(c, oldc);
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d = safe_add(d, oldd);
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}
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return Array(a, b, c, d);
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}
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function md5_cmn(q, a, b, x, s, t) {
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return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
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}
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function md5_ff(a, b, c, d, x, s, t) {
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return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
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}
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function md5_gg(a, b, c, d, x, s, t) {
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return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
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}
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function md5_hh(a, b, c, d, x, s, t) {
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return md5_cmn(b ^ c ^ d, a, b, x, s, t);
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}
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function md5_ii(a, b, c, d, x, s, t) {
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return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
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}
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function safe_add(x, y) {
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var lsw = (x & 0xFFFF) + (y & 0xFFFF);
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var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
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return (msw << 16) | (lsw & 0xFFFF);
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}
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function bit_rol(num, cnt) {
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return (num << cnt) | (num >>> (32 - cnt));
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}
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function str2binl(str) {
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var bin = Array();
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var mask = (1 << 8) - 1;
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for(var i = 0; i < str.length * 8; i += 8)
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bin[i>>5] |= (str.charCodeAt(i / 8) & mask) << (i%32);
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return bin;
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}
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function binl2hex(binarray) {
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var hex_tab = "0123456789abcdef";
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var str = "";
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for(var i = 0; i < binarray.length * 4; i++) {
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str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
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hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
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}
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return str;
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}
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var plainText = "Rebellious subjects, enemies to peace,\n\
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Profaners of this neighbour-stained steel,--\n\
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Will they not hear? What, ho! you men, you beasts,\n\
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That quench the fire of your pernicious rage\n\
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With purple fountains issuing from your veins,\n\
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On pain of torture, from those bloody hands\n\
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Throw your mistemper'd weapons to the ground,\n\
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And hear the sentence of your moved prince.\n\
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Three civil brawls, bred of an airy word,\n\
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By thee, old Capulet, and Montague,\n\
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Have thrice disturb'd the quiet of our streets,\n\
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And made Verona's ancient citizens\n\
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Cast by their grave beseeming ornaments,\n\
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To wield old partisans, in hands as old,\n\
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Canker'd with peace, to part your canker'd hate:\n\
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If ever you disturb our streets again,\n\
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Your lives shall pay the forfeit of the peace.\n\
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For this time, all the rest depart away:\n\
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You Capulet; shall go along with me:\n\
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And, Montague, come you this afternoon,\n\
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To know our further pleasure in this case,\n\
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To old Free-town, our common judgment-place.\n\
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Once more, on pain of death, all men depart.\n"
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for (var i = 0; i < 4; ++i) {
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plainText += plainText;
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}
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assertEquals(hex_md5("abc"), "900150983cd24fb0d6963f7d28e17f72");
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for (var i = 0; i < 11; ++i) {
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assertEquals(hex_md5(plainText), "1b8719c72d5d8bfd06e096ef6c6288c5");
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}
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