<?XML version="1.0"?>
<package>
<?component error="false" debug="false"?>


<comment>
    MD5 Secure Hash Functions

    A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
    Digest Algorithm, as defined in RFC 1321.
    Version 1.1 Copyright (C) Paul Johnston 1999 - 2002.
    Code also contributed by Greg Holt
    Converted to Windows Script Component by Don Arsenault.
    See http://pajhome.org.uk/site/legal.html for details.

    Methods:
    hexMD5(str) : returns hex of MD5 hash of string parameter.
    hexMD5w(str) : returns hex of MD5 hash of wide string parameter.
    b64MD5(str) : returns base64 of MD5 hash of string parameter.
    b64MD5w(str) : returns base64 of MD5 hash of wide string parameter.
</comment>

<component id="MD5Scriptlet">

    <registration progid="MD5.Scriptlet"
        description="MD5 hash of a string."/>
    
    <public>
       <method name="hexMD5">
          <parameter name="str"/>
       </method>
    
       <method name="hexMD5w">
          <parameter name="str"/>
       </method>
    
       <method name="b64MD5">
          <parameter name="str"/>
       </method>
    
       <method name="b64MD5w">
          <parameter name="str"/>
       </method>
    </public>
    
    
    <script language="JScript">
        <![CDATA[
    
        /*
         * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
         * Digest Algorithm, as defined in RFC 1321.
         * Version 1.1 Copyright (C) Paul Johnston 1999 - 2002.
         * Code also contributed by Greg Holt
         * See http://pajhome.org.uk/site/legal.html for details.
         */
        
        /*
         * 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 rol(num, cnt)
        {
          return (num << cnt) | (num >>> (32 - cnt))
        }
        
        /*
         * These functions implement the four basic operations the algorithm uses.
         */
        function cmn(q, a, b, x, s, t)
        {
          return safe_add(rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
        }
        function ff(a, b, c, d, x, s, t)
        {
          return cmn((b & c) | ((~b) & d), a, b, x, s, t)
        }
        function gg(a, b, c, d, x, s, t)
        {
          return cmn((b & d) | (c & (~d)), a, b, x, s, t)
        }
        function hh(a, b, c, d, x, s, t)
        {
          return cmn(b ^ c ^ d, a, b, x, s, t)
        }
        function ii(a, b, c, d, x, s, t)
        {
          return cmn(c ^ (b | (~d)), a, b, x, s, t)
        }
        
        /*
         * Calculate the MD5 of an array of little-endian words, producing an array
         * of little-endian words.
         */
        function coreMD5(x)
        {
          var a =  1732584193
          var b = -271733879
          var c = -1732584194
          var d =  271733878
        
          for(i = 0; i < x.length; i += 16)
          {
            var olda = a
            var oldb = b
            var oldc = c
            var oldd = d
        
            a = ff(a, b, c, d, x[i+ 0], 7 , -680876936)
            d = ff(d, a, b, c, x[i+ 1], 12, -389564586)
            c = ff(c, d, a, b, x[i+ 2], 17,  606105819)
            b = ff(b, c, d, a, x[i+ 3], 22, -1044525330)
            a = ff(a, b, c, d, x[i+ 4], 7 , -176418897)
            d = ff(d, a, b, c, x[i+ 5], 12,  1200080426)
            c = ff(c, d, a, b, x[i+ 6], 17, -1473231341)
            b = ff(b, c, d, a, x[i+ 7], 22, -45705983)
            a = ff(a, b, c, d, x[i+ 8], 7 ,  1770035416)
            d = ff(d, a, b, c, x[i+ 9], 12, -1958414417)
            c = ff(c, d, a, b, x[i+10], 17, -42063)
            b = ff(b, c, d, a, x[i+11], 22, -1990404162)
            a = ff(a, b, c, d, x[i+12], 7 ,  1804603682)
            d = ff(d, a, b, c, x[i+13], 12, -40341101)
            c = ff(c, d, a, b, x[i+14], 17, -1502002290)
            b = ff(b, c, d, a, x[i+15], 22,  1236535329)
        
            a = gg(a, b, c, d, x[i+ 1], 5 , -165796510)
            d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632)
            c = gg(c, d, a, b, x[i+11], 14,  643717713)
            b = gg(b, c, d, a, x[i+ 0], 20, -373897302)
            a = gg(a, b, c, d, x[i+ 5], 5 , -701558691)
            d = gg(d, a, b, c, x[i+10], 9 ,  38016083)
            c = gg(c, d, a, b, x[i+15], 14, -660478335)
            b = gg(b, c, d, a, x[i+ 4], 20, -405537848)
            a = gg(a, b, c, d, x[i+ 9], 5 ,  568446438)
            d = gg(d, a, b, c, x[i+14], 9 , -1019803690)
            c = gg(c, d, a, b, x[i+ 3], 14, -187363961)
            b = gg(b, c, d, a, x[i+ 8], 20,  1163531501)
            a = gg(a, b, c, d, x[i+13], 5 , -1444681467)
            d = gg(d, a, b, c, x[i+ 2], 9 , -51403784)
            c = gg(c, d, a, b, x[i+ 7], 14,  1735328473)
            b = gg(b, c, d, a, x[i+12], 20, -1926607734)
        
            a = hh(a, b, c, d, x[i+ 5], 4 , -378558)
            d = hh(d, a, b, c, x[i+ 8], 11, -2022574463)
            c = hh(c, d, a, b, x[i+11], 16,  1839030562)
            b = hh(b, c, d, a, x[i+14], 23, -35309556)
            a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060)
            d = hh(d, a, b, c, x[i+ 4], 11,  1272893353)
            c = hh(c, d, a, b, x[i+ 7], 16, -155497632)
            b = hh(b, c, d, a, x[i+10], 23, -1094730640)
            a = hh(a, b, c, d, x[i+13], 4 ,  681279174)
            d = hh(d, a, b, c, x[i+ 0], 11, -358537222)
            c = hh(c, d, a, b, x[i+ 3], 16, -722521979)
            b = hh(b, c, d, a, x[i+ 6], 23,  76029189)
            a = hh(a, b, c, d, x[i+ 9], 4 , -640364487)
            d = hh(d, a, b, c, x[i+12], 11, -421815835)
            c = hh(c, d, a, b, x[i+15], 16,  530742520)
            b = hh(b, c, d, a, x[i+ 2], 23, -995338651)
        
            a = ii(a, b, c, d, x[i+ 0], 6 , -198630844)
            d = ii(d, a, b, c, x[i+ 7], 10,  1126891415)
            c = ii(c, d, a, b, x[i+14], 15, -1416354905)
            b = ii(b, c, d, a, x[i+ 5], 21, -57434055)
            a = ii(a, b, c, d, x[i+12], 6 ,  1700485571)
            d = ii(d, a, b, c, x[i+ 3], 10, -1894986606)
            c = ii(c, d, a, b, x[i+10], 15, -1051523)
            b = ii(b, c, d, a, x[i+ 1], 21, -2054922799)
            a = ii(a, b, c, d, x[i+ 8], 6 ,  1873313359)
            d = ii(d, a, b, c, x[i+15], 10, -30611744)
            c = ii(c, d, a, b, x[i+ 6], 15, -1560198380)
            b = ii(b, c, d, a, x[i+13], 21,  1309151649)
            a = ii(a, b, c, d, x[i+ 4], 6 , -145523070)
            d = ii(d, a, b, c, x[i+11], 10, -1120210379)
            c = ii(c, d, a, b, x[i+ 2], 15,  718787259)
            b = 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 [a, b, c, d]
        }
        
        /*
         * Convert an array of little-endian words to a hex string.
         */
        function binl2hex(binarray)
        {
          var hex_tab = "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 base64 encoded string.
         */
        function binl2b64(binarray)
        {
          var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
          var str = ""
          for(var i = 0; i < binarray.length * 32; i += 6)
          {
            str += tab.charAt(((binarray[i>>5] << (i%32)) & 0x3F) |
                              ((binarray[i>>5+1] >> (32-i%32)) & 0x3F))
          }
          return str
        }
        
        /*
         * Convert an 8-bit character string to a sequence of 16-word blocks, stored
         * as an array, and append appropriate padding for MD4/5 calculation.
         * If any of the characters are >255, the high byte is silently ignored.
         */
        function str2binl(str)
        {
          var nblk = ((str.length + 8) >> 6) + 1 // number of 16-word blocks
          var blks = new Array(nblk * 16)
          for(var i = 0; i < nblk * 16; i++) blks[i] = 0
          for(var i = 0; i < str.length; i++)
            blks[i>>2] |= (str.charCodeAt(i) & 0xFF) << ((i%4) * 8)
          blks[i>>2] |= 0x80 << ((i%4) * 8)
          blks[nblk*16-2] = str.length * 8
          return blks
        }
        
        /*
         * Convert a wide-character string to a sequence of 16-word blocks, stored as
         * an array, and append appropriate padding for MD4/5 calculation.
         */
        function strw2binl(str)
        {
          var nblk = ((str.length + 4) >> 5) + 1 // number of 16-word blocks
          var blks = new Array(nblk * 16)
          for(var i = 0; i < nblk * 16; i++) blks[i] = 0
          for(var i = 0; i < str.length; i++)
            blks[i>>1] |= str.charCodeAt(i) << ((i%2) * 16)
          blks[i>>1] |= 0x80 << ((i%2) * 16)
          blks[nblk*16-2] = str.length * 16
          return blks
        }
        
        /*
         * External interface
         */
        function hexMD5 (str) { return binl2hex(coreMD5( str2binl(str))) }
        function hexMD5w(str) { return binl2hex(coreMD5(strw2binl(str))) }
        function b64MD5 (str) { return binl2b64(coreMD5( str2binl(str))) }
        function b64MD5w(str) { return binl2b64(coreMD5(strw2binl(str))) }
        /* Backward compatibility */
        function calcMD5(str) { return binl2hex(coreMD5( str2binl(str))) }
    
        ]]>
    </script>


</component>
</package>
