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【MD5】16-32位加密源码


 2020-05-18 00:08:00  浏览量:(67)   标签: jsMD5加密  jsMD5加密16位  jsMD5加密32位 




能交给客户端处理的事情就不要用服务器

预览图:

518001233.png

HTML-JS【MD5】16-32位加密源码:

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>MD5加密</title><style>body{ margin:0; text-align:center}textarea{ margin:0; width:60%; height:200px;}</style></head><body>
<p id="wz" style='color: #C00;margin-top:30px;'><textarea style="height:80px" id="contents" placeholder="请把你需要转换的内容粘贴在这里。"></textarea></p>

<input id="zh" type='button' style=' width:200px; height:60px; color: #FFF; background-color:#C30; font-size:20px' value='MD5加密' onclick="jm()" />

<p id="wz" style='color: #C00;margin-top:30px;'><textarea style="height:30px" id="mw16" placeholder="16位结果" ></textarea></p>

<p id="wz" style='color: #C00;margin-top:30px;'><textarea style="height:30px" id="mw32" placeholder="32位结果" ></textarea></p>

<script language="javascript">
/*
md5.js
*/

String.prototype.MD5 = function (bit)

{

    var sMessage = this;

    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(sMessage)

    { 

        var lWordCount; 

        var lMessageLength = sMessage.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] | (sMessage.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; 

    } 

    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; 

    // Steps 1 and 2. Append padding bits and length and convert to words 

    x = ConvertToWordArray(sMessage); 

    // Step 3. Initialise 

    a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; 

    // Step 4. Process the message in 16-word blocks 

    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); 

    }

    if(bit==32)

    {

        return WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);

    }

    else

    {

        return WordToHex(b)+WordToHex(c);

    }

}

function jm(){

var str=document.getElementById('contents').value;

document.getElementById('mw16').value=str.MD5(); // 默认为16位加密

document.getElementById('mw32').value=str.MD5(32);  // 32位加密方法

}

    </script>



</body>

</html>


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