mirror of
https://github.com/emn178/js-md4.git
synced 2026-08-12 20:32:14 +08:00
* Added support for bytes.
* Added support for AMD.
This commit is contained in:
Yi-Cyuan
+84
-83
@@ -1,24 +1,23 @@
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/*
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* js-md4 v0.1.1
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* js-md4 v0.2.0
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* https://github.com/emn178/js-md4
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*
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* Copyright 2015, emn178@gmail.com
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*
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* Licensed under the MIT license:
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* @license under the MIT license:
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* http://www.opensource.org/licenses/MIT
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*/
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;(function(root, undefined) {
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;(function(root) {
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'use strict';
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var NODE_JS = typeof(module) != 'undefined';
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var NODE_JS = typeof process == 'object' && process.versions && process.versions.node;
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if(NODE_JS) {
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root = global;
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if(root.JS_MD4_TEST) {
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root.navigator = { userAgent: 'Firefox'};
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}
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}
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var FIREFOX = (root.JS_MD4_TEST || !NODE_JS) && navigator.userAgent.indexOf('Firefox') != -1;
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var ARRAY_BUFFER = !root.JS_MD4_TEST && typeof(ArrayBuffer) != 'undefined';
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var COMMON_JS = !root.JS_MD4_TEST && typeof module == 'object' && module.exports;
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var AMD = typeof define == 'function' && define.amd;
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var ARRAY_BUFFER = !root.JS_MD4_TEST && typeof ArrayBuffer != 'undefined';
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var HEX_CHARS = '0123456789abcdef'.split('');
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var EXTRA = [128, 32768, 8388608, -2147483648];
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var SHIFT = [0, 8, 16, 24];
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@@ -31,8 +30,13 @@
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}
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var md4 = function(message) {
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var notString = typeof(message) != 'string';
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if(notString && message.constructor == ArrayBuffer) {
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message = new Uint8Array(message);
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}
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var h0, h1, h2, h3, a, b, c, d, ab, bc, cd, da, code, first = true, end = false,
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index = 0, i, start = 0, bytes = 0, length = message.length;
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index = 0, i, start = 0, bytes = 0, length = message.length || 0;
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blocks[16] = 0;
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do {
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@@ -41,44 +45,56 @@
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blocks[4] = blocks[5] = blocks[6] = blocks[7] =
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blocks[8] = blocks[9] = blocks[10] = blocks[11] =
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
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if(ARRAY_BUFFER) {
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for (i = start;index < length && i < 64; ++index) {
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code = message.charCodeAt(index);
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if (code < 0x80) {
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buffer8[i++] = code;
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} else if (code < 0x800) {
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buffer8[i++] = 0xc0 | (code >> 6);
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buffer8[i++] = 0x80 | (code & 0x3f);
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} else if (code < 0xd800 || code >= 0xe000) {
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buffer8[i++] = 0xe0 | (code >> 12);
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buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
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buffer8[i++] = 0x80 | (code & 0x3f);
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} else {
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
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buffer8[i++] = 0xf0 | (code >> 18);
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buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);
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buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
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buffer8[i++] = 0x80 | (code & 0x3f);
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if(notString) {
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if(ARRAY_BUFFER) {
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for (i = start;index < length && i < 64; ++index) {
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buffer8[i++] = message[index];
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}
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} else {
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for (i = start;index < length && i < 64; ++index) {
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blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
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}
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}
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} else {
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for (i = start;index < length && i < 64; ++index) {
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code = message.charCodeAt(index);
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if (code < 0x80) {
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blocks[i >> 2] |= code << SHIFT[i++ & 3];
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} else if (code < 0x800) {
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blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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} else if (code < 0xd800 || code >= 0xe000) {
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blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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} else {
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
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blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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if(ARRAY_BUFFER) {
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for (i = start;index < length && i < 64; ++index) {
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code = message.charCodeAt(index);
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if (code < 0x80) {
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buffer8[i++] = code;
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} else if (code < 0x800) {
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buffer8[i++] = 0xc0 | (code >> 6);
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buffer8[i++] = 0x80 | (code & 0x3f);
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} else if (code < 0xd800 || code >= 0xe000) {
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buffer8[i++] = 0xe0 | (code >> 12);
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buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
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buffer8[i++] = 0x80 | (code & 0x3f);
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} else {
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
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buffer8[i++] = 0xf0 | (code >> 18);
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buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);
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buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
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buffer8[i++] = 0x80 | (code & 0x3f);
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}
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}
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} else {
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for (i = start;index < length && i < 64; ++index) {
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code = message.charCodeAt(index);
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if (code < 0x80) {
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blocks[i >> 2] |= code << SHIFT[i++ & 3];
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} else if (code < 0x800) {
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blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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} else if (code < 0xd800 || code >= 0xe000) {
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blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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} else {
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
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blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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}
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}
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}
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}
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@@ -244,47 +260,32 @@
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}
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} while(!end);
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if(FIREFOX) {
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var hex = HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F];
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hex += HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F];
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hex += HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F];
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hex += HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F];
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hex += HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F];
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hex += HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F];
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hex += HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F];
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hex += HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F];
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hex += HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F];
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hex += HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F];
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hex += HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F];
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hex += HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F];
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hex += HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F];
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hex += HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F];
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hex += HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F];
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hex += HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
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return hex;
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} else {
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return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
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HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
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HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
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HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
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HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
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HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
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HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
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HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
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HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
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HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
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HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
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HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
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HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
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HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
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HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
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HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
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}
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return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
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HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
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HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
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HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
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HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
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HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
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HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
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HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
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HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
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HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
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HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
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HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
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HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
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HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
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HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
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HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
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};
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if(!root.JS_MD4_TEST && NODE_JS) {
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if(COMMON_JS) {
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module.exports = md4;
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} else if(root) {
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} else {
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root.md4 = md4;
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if(AMD) {
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define(function() {
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return md4;
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});
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}
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}
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}(this));
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