java和js MD5加密

一时失言乱红尘 2022-05-16 11:23 147阅读 0赞

/\*  
 \* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message  
 \* Digest Algorithm, as defined in RFC 1321.  
 \* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.  
 \* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet  
 \* Distributed under the BSD License  
 \* See http://pajhome.org.uk/crypt/md5 for more info.  
 \*/

/\*  
 \* Configurable variables. You may need to tweak these to be compatible with  
 \* the server-side, but the defaults work in most cases.  
 \*/  
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) << (i%32);  
  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;  
\}

/\*\*  
 \* 加密工具类  
 \* MD5加密  
 \* HMAC加密  
 \*  
 \*/  
public class CryptUtils \{  
    private static final String KEY\_MD5 = "MD5";  
    // 全局数组  
    private static final String\[\] strDigits = \{ "0", "1", "2", "3", "4", "5",  
            "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" \};

// 返回形式为数字跟字符串  
    private static String byteToArrayString(byte bByte) \{  
        int iRet = bByte;  
        if (iRet < 0) \{  
            iRet += 256;  
        \}  
        int iD1 = iRet / 16;  
        int iD2 = iRet % 16;  
        return strDigits\[iD1\] + strDigits\[iD2\];  
    \}

// 转换字节数组为16进制字串  
    private static String byteToString(byte\[\] bByte) \{  
        StringBuffer sBuffer = new StringBuffer();  
        for (int i = 0; i < bByte.length; i++) \{  
            sBuffer.append(byteToArrayString(bByte\[i\]));  
        \}  
        return sBuffer.toString();  
    \}  
    /\*\*  
     \* MD5加密  
     \* @param strObj  
     \* @return  
     \* @throws Exception  
     \*/  
    public static String GetMD5Code(String strObj) throws Exception\{  
        MessageDigest md = MessageDigest.getInstance(KEY\_MD5);  
        // md.digest() 该函数返回值为存放哈希值结果的byte数组  
        return byteToString(md.digest(strObj.getBytes()));  
    \}

js代码 ：

var result = hex\_md5(param);

param为要加密的值

result为加密后的值

java代码：

String result = getMD5Code(param);

param为要加密的值

result为加密后的值

经测试，不管中英文数组，加密后两者都一样