这篇文章主要为大家分享了 JavaScript 与 Java 中 MD5 使用两个例子,
Javascript 是一种由 Netscape 的 LiveScript 发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如 Perl,遗留的速度问题,为客户提供更流畅的浏览效果。
在网上查了一下,在网上收集了 Java 与 JavaScript 中使用的两个例子,试验过,分享下。
1、Java:
- package org.bearfly.test.md5;
- import java.io.UnsupportedEncodingException;
- import java.security.MessageDigest;
- import java.security.NoSuchAlgorithmException;
- public class MD5Utils {
- public static void main(String[] args) {
- System.out.println(getMd5String(""));
- System.out.println(MD5("good"));
- }
- public final static String MD5(String s) {
- char hexDigits[] = {
- '0',
- '1',
- '2',
- '3',
- '4',
- '5',
- '6',
- '7',
- '8',
- '9',
- 'A',
- 'B',
- 'C',
- 'D',
- 'E',
- 'F'
- };
- try {
- byte[] btInput = s.getBytes();
- //获得MD5摘要算法的 MessageDigest 对象
- MessageDigest mdInst = MessageDigest.getInstance("MD5");
- //使用指定的字节更新摘要
- mdInst.update(btInput);
- //获得密文
- byte[] md = mdInst.digest();
- //把密文转换成十六进制的字符串形式
- int j = md.length;
- char str[] = new char[j * 2];
- int k = 0;
- for (int i = 0; i < j; i++) {
- byte byte0 = md[i];
- str[k++] = hexDigits[byte0 >>> 4 & 0xf];
- str[k++] = hexDigits[byte0 & 0xf];
- }
- return new String(str);
- } catch(Exception e) {
- e.printStackTrace();
- return null;
- }
- }
- public static String getMd5String(String str) {
- MessageDigest messageDigest = null;
- try {
- messageDigest = MessageDigest.getInstance("MD5");
- messageDigest.reset();
- messageDigest.update(str.getBytes("UTF-8"));
- } catch(NoSuchAlgorithmException e) {
- System.out.println("NoSuchAlgorithmException caught!");
- System.exit( - 1);
- } catch(UnsupportedEncodingException e) {
- e.printStackTrace();
- }
- byte[] byteArray = messageDigest.digest();
- StringBuffer md5StrBuff = new StringBuffer();
- for (int i = 0; i < byteArray.length; i++) {
- if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) md5StrBuff.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
- else md5StrBuff.append(Integer.toHexString(0xFF & byteArray[i]));
- }
- return md5StrBuff.toString();
- }
- }
2、JavaScript:
md5.js
- var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
- var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
- var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
- /*
- * These are the functions you'll usually want to call
- * They take string arguments and return either hex or base-64 encoded strings
- */
- function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
- function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
- function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
- function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
- function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
- function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
- /*
- * Perform a simple self-test to see if the VM is working
- */
- function md5_vm_test()
- {
- return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
- }
- /*
- * Calculate the MD5 of an array of little-endian words, and a bit length
- */
- function core_md5(x, len)
- {
- /* append padding */
- x[len >> 5] |= 0x80 << ((len) % 32);
- x[(((len + 64) >>> 9) << 4) + 14] = len;
- var a = 1732584193;
- var b = -271733879;
- var c = -1732584194;
- var d = 271733878;
- for(var i = 0; i < x.length; i += 16)
- {
- var olda = a;
- var oldb = b;
- var oldc = c;
- var oldd = d;
- a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
- d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
- c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
- b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
- a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
- d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
- c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
- b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
- a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
- d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
- c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
- b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
- a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
- d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
- c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
- b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
- a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
- d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
- c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
- b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
- a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
- d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
- c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
- b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
- a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
- d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
- c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
- b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
- a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
- d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
- c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
- b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
- a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
- d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
- c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
- b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
- a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
- d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
- c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
- b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
- a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
- d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
- c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
- b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
- a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
- d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
- c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
- b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
- a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
- d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
- c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
- b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
- a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
- d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
- c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
- b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
- a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
- d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
- c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
- b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
- a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
- d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
- c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
- b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
- a = safe_add(a, olda);
- b = safe_add(b, oldb);
- c = safe_add(c, oldc);
- d = safe_add(d, oldd);
- }
- return Array(a, b, c, d);
- }
- /*
- * These functions implement the four basic operations the algorithm uses.
- */
- function md5_cmn(q, a, b, x, s, t)
- {
- return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
- }
- function md5_ff(a, b, c, d, x, s, t)
- {
- return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
- }
- function md5_gg(a, b, c, d, x, s, t)
- {
- return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
- }
- function md5_hh(a, b, c, d, x, s, t)
- {
- return md5_cmn(b ^ c ^ d, a, b, x, s, t);
- }
- function md5_ii(a, b, c, d, x, s, t)
- {
- return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
- }
- /*
- * Calculate the HMAC-MD5, of a key and some data
- */
- function core_hmac_md5(key, data)
- {
- var bkey = str2binl(key);
- if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
- var ipad = Array(16), opad = Array(16);
- for(var i = 0; i < 16; i++)
- {
- ipad[i] = bkey[i] ^ 0x36363636;
- opad[i] = bkey[i] ^ 0x5C5C5C5C;
- }
- var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
- return core_md5(opad.concat(hash), 512 + 128);
- }
- /*
- * Add integers, wrapping at 2^32. This uses 16-bit operations internally
- * to work around bugs in some JS interpreters.
- */
- function safe_add(x, y)
- {
- var lsw = (x & 0xFFFF) + (y & 0xFFFF);
- var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
- return (msw << 16) | (lsw & 0xFFFF);
- }
- /*
- * Bitwise rotate a 32-bit number to the left.
- */
- function bit_rol(num, cnt)
- {
- return (num << cnt) | (num >>> (32 - cnt));
- }
- /*
- * Convert a string to an array of little-endian words
- * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
- */
- function str2binl(str)
- {
- var bin = Array();
- var mask = (1 << chrsz) - 1;
- for(var i = 0; i < str.length * chrsz; i += chrsz)
- bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i2);
- return bin;
- }
- /*
- * Convert an array of little-endian words to a string
- */
- function binl2str(bin)
- {
- var str = "";
- var mask = (1 << chrsz) - 1;
- for(var i = 0; i < bin.length * 32; i += chrsz)
- str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
- return str;
- }
- /*
- * Convert an array of little-endian words to a hex string.
- */
- function binl2hex(binarray)
- {
- var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
- var str = "";
- for(var i = 0; i < binarray.length * 4; i++)
- {
- str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
- hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
- }
- return str;
- }
- /*
- * Convert an array of little-endian words to a base-64 string
- */
- function binl2b64(binarray)
- {
- var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- var str = "";
- for(var i = 0; i < binarray.length * 4; i += 3)
- {
- var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16)
- | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
- | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
- for(var j = 0; j < 4; j++)
- {
- if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
- else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
- }
- }
- return str;
- }
md5.html
- <html>
- <head>
- <title>
- md5_Test
- </title>
- <script type="text/javascript" src="md5.js">
- </script>
- <link rel="stylesheet" type="text/css" href="bearfly.css" />
- </head>
- <body>
- <script type="text/javascript">
- document.write("myPassword MD5: ", hex_md5("md5Test").toUpperCase());
- </script>
- </body>
- </html>
补充:javascript 的 MD5 代码备份,跟 java 互通
- var MD5 = function(string) {
- function RotateLeft(lValue, iShiftBits) {
- return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
- }
- function AddUnsigned(lX, lY) {
- var lX4, lY4, lX8, lY8, lResult;
- lX8 = (lX & 0x80000000);
- lY8 = (lY & 0x80000000);
- lX4 = (lX & 0x40000000);
- lY4 = (lY & 0x40000000);
- lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
- if (lX4 & lY4) {
- return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
- }
- if (lX4 | lY4) {
- if (lResult & 0x40000000) {
- return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
- } else {
- return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
- }
- } else {
- return (lResult ^ lX8 ^ lY8);
- }
- }
- function F(x, y, z) {
- return (x & y) | ((~x) & z);
- }
- function G(x, y, z) {
- return (x & z) | (y & (~z));
- }
- function H(x, y, z) {
- return (x ^ y ^ z);
- }
- function I(x, y, z) {
- return (y ^ (x | (~z)));
- }
- function FF(a, b, c, d, x, s, ac) {
- a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
- return AddUnsigned(RotateLeft(a, s), b);
- };
- function GG(a, b, c, d, x, s, ac) {
- a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
- return AddUnsigned(RotateLeft(a, s), b);
- };
- function HH(a, b, c, d, x, s, ac) {
- a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
- return AddUnsigned(RotateLeft(a, s), b);
- };
- function II(a, b, c, d, x, s, ac) {
- a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
- return AddUnsigned(RotateLeft(a, s), b);
- };
- function ConvertToWordArray(string) {
- var lWordCount;
- var lMessageLength = string.length;
- var lNumberOfWords_temp1 = lMessageLength + 8;
- var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
- var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
- var lWordArray = Array(lNumberOfWords - 1);
- var lBytePosition = 0;
- var lByteCount = 0;
- while (lByteCount < lMessageLength) {
- lWordCount = (lByteCount - (lByteCount % 4)) / 4;
- lBytePosition = (lByteCount % 4) * 8;
- lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
- lByteCount++;
- }
- lWordCount = (lByteCount - (lByteCount % 4)) / 4;
- lBytePosition = (lByteCount % 4) * 8;
- lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
- lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
- lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
- return lWordArray;
- };
- function WordToHex(lValue) {
- var WordToHexValue = "",
- WordToHexValue_temp = "",
- lByte, lCount;
- for (lCount = 0; lCount <= 3; lCount++) {
- lByte = (lValue >>> (lCount * 8)) & 255;
- WordToHexValue_temp = "0" + lByte.toString(16);
- WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
- }
- return WordToHexValue;
- };
- function Utf8Encode(string) {
- string = string.replace(/\r\n/g, "\n");
- var utftext = "";
- for (var n = 0; n < string.length; n++) {
- var c = string.charCodeAt(n);
- if (c < 128) {
- utftext += String.fromCharCode(c);
- } else if ((c > 127) && (c < 2048)) {
- utftext += String.fromCharCode((c >> 6) | 192);
- utftext += String.fromCharCode((c & 63) | 128);
- } else {
- utftext += String.fromCharCode((c >> 12) | 224);
- utftext += String.fromCharCode(((c >> 6) & 63) | 128);
- utftext += String.fromCharCode((c & 63) | 128);
- }
- }
- return utftext;
- };
- var x = Array();
- var k, AA, BB, CC, DD, a, b, c, d;
- var S11 = 7,
- S12 = 12,
- S13 = 17,
- S14 = 22;
- var S21 = 5,
- S22 = 9,
- S23 = 14,
- S24 = 20;
- var S31 = 4,
- S32 = 11,
- S33 = 16,
- S34 = 23;
- var S41 = 6,
- S42 = 10,
- S43 = 15,
- S44 = 21;
- string = Utf8Encode(string);
- x = ConvertToWordArray(string);
- a = 0x67452301;
- b = 0xEFCDAB89;
- c = 0x98BADCFE;
- d = 0x10325476;
- for (k = 0; k < x.length; k += 16) {
- AA = a;
- BB = b;
- CC = c;
- DD = d;
- a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
- d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
- c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
- b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
- a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
- d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
- c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
- b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
- a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
- d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
- c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
- b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
- a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
- d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
- c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
- b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
- a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
- d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
- c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
- b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
- a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
- d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
- c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
- b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
- a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
- d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
- c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
- b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
- a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
- d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
- c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
- b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
- a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
- d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
- c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
- b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
- a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
- d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
- c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
- b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
- a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
- d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
- c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
- b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
- a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
- d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
- c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
- b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
- a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
- d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
- c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
- b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
- a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
- d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
- c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
- b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
- a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
- d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
- c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
- b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
- a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
- d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
- c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
- b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
- a = AddUnsigned(a, AA);
- b = AddUnsigned(b, BB);
- c = AddUnsigned(c, CC);
- d = AddUnsigned(d, DD);
- }
- var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
- return temp.toLowerCase();
- }
来源: http://www.phperz.com/article/17/0218/267946.html