197 lines
7.9 KiB
JavaScript
197 lines
7.9 KiB
JavaScript
/*!
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* md5js v1.0.7
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* (c) 2017-2018 penyuying
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* Released under the MIT License.
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(factory((global.md5 = {})));
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}(this, (function (exports) { 'use strict';
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/*
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eslint-disable
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*/
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function md5(text, bit) {
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var sMessage = text; //this;
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function RotateLeft(lValue, iShiftBits) {
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return lValue << iShiftBits | lValue >>> 32 - iShiftBits;
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}
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function AddUnsigned(lX, lY) {
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var lX4, lY4, lX8, lY8, lResult;
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lX8 = lX & 0x80000000;
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lY8 = lY & 0x80000000;
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lX4 = lX & 0x40000000;
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lY4 = lY & 0x40000000;
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lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
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if (lX4 & lY4) return lResult ^ 0x80000000 ^ lX8 ^ lY8;
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if (lX4 | lY4) {
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if (lResult & 0x40000000) return lResult ^ 0xC0000000 ^ lX8 ^ lY8;else return lResult ^ 0x40000000 ^ lX8 ^ lY8;
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} else return lResult ^ lX8 ^ lY8;
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}
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function F(x, y, z) {
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return x & y | ~x & z;
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}
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function G(x, y, z) {
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return x & z | y & ~z;
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}
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function H(x, y, z) {
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return x ^ y ^ z;
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}
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function I(x, y, z) {
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return y ^ (x | ~z);
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}
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function FF(a, b, c, d, x, s, ac) {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function GG(a, b, c, d, x, s, ac) {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function HH(a, b, c, d, x, s, ac) {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function II(a, b, c, d, x, s, ac) {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function ConvertToWordArray(sMessage) {
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var lWordCount;
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var lMessageLength = sMessage.length;
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var lNumberOfWords_temp1 = lMessageLength + 8;
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var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - lNumberOfWords_temp1 % 64) / 64;
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var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
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var lWordArray = Array(lNumberOfWords - 1);
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var lBytePosition = 0;
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var lByteCount = 0;
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while (lByteCount < lMessageLength) {
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lWordCount = (lByteCount - lByteCount % 4) / 4;
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lBytePosition = lByteCount % 4 * 8;
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lWordArray[lWordCount] = lWordArray[lWordCount] | sMessage.charCodeAt(lByteCount) << lBytePosition;
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lByteCount++;
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}
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lWordCount = (lByteCount - lByteCount % 4) / 4;
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lBytePosition = lByteCount % 4 * 8;
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lWordArray[lWordCount] = lWordArray[lWordCount] | 0x80 << lBytePosition;
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lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
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lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
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return lWordArray;
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}
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function WordToHex(lValue) {
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var WordToHexValue = "",
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WordToHexValue_temp = "",
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lByte,
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lCount;
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for (lCount = 0; lCount <= 3; lCount++) {
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lByte = lValue >>> lCount * 8 & 255;
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WordToHexValue_temp = "0" + lByte.toString(16);
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WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
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}
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return WordToHexValue;
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}
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var x = Array();
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var k, AA, BB, CC, DD, a, b, c, d;
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var S11 = 7,
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S12 = 12,
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S13 = 17,
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S14 = 22;
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var S21 = 5,
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S22 = 9,
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S23 = 14,
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S24 = 20;
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var S31 = 4,
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S32 = 11,
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S33 = 16,
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S34 = 23;
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var S41 = 6,
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S42 = 10,
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S43 = 15,
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S44 = 21;
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// Steps 1 and 2. Append padding bits and length and convert to words
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x = ConvertToWordArray(sMessage);
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// Step 3. Initialise
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a = 0x67452301;b = 0xEFCDAB89;c = 0x98BADCFE;d = 0x10325476;
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// Step 4. Process the message in 16-word blocks
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for (k = 0; k < x.length; k += 16) {
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AA = a;BB = b;CC = c;DD = d;
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a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
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d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
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c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
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b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
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a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
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d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
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c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
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b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
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a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
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d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
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c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
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b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
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a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
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d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
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c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
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b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
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a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
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d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
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c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
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b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
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a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
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d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
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c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
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b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
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a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
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d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
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c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
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b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
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a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
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d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
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c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
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b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
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a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
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d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
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c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
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b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
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a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
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d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
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c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
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b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
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a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
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d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
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c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
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b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
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a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
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d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
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c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
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b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
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a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
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d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
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c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
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b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
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a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
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d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
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c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
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b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
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a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
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d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
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c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
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b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
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a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
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d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
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c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
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b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
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a = AddUnsigned(a, AA);b = AddUnsigned(b, BB);c = AddUnsigned(c, CC);d = AddUnsigned(d, DD);
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}
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if (bit == 32) {
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return WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
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} else {
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return WordToHex(b) + WordToHex(c);
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}
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}
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exports.md5 = md5;
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Object.defineProperty(exports, '__esModule', { value: true });
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})));
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