目前分類:ASP (2)

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<% const BASE_64_MAP_INIT ="ABCDEFGHIJKLMNOPQRSTUVWXYZ"&_                         "abcdefghijklmnopqrstuvwxyz0123456789+/"     ' zero based arrays     dim Base64EncMap(63)     dim Base64DecMap(127)     ' must be called before using anything else     PUBLIC SUB initCodecs()          ' init vars          ' setup base 64          dim max, idx             max = len(BASE_64_MAP_INIT)          for idx = 0 to max - 1               ' one based string               Base64EncMap(idx) = mid(BASE_64_MAP_INIT, idx + 1, 1)          next          for idx = 0 to max - 1               Base64DecMap(ASC(Base64EncMap(idx))) = idx          next     END SUB     ' encode base 64 encoded string     PUBLIC FUNCTION base64Encode(plain)          if len(plain) = 0 then               base64Encode = ""               exit function          end if          dim ret, ndx, by3, first, second, third          by3 = (len(plain) \ 3) * 3          ndx = 1          do while ndx <= by3               first  = asc(mid(plain, ndx+0, 1))               second = asc(mid(plain, ndx+1, 1))               third  = asc(mid(plain, ndx+2, 1))               ret = ret & Base64EncMap(  (first \ 4) AND 63 )               ret = ret & Base64EncMap( ((first * 16) AND 48) + ((second \ 16)AND 15 ) )               ret = ret & Base64EncMap( ((second * 4) AND 60) + ((third \ 64)AND 3 ) )               ret = ret & Base64EncMap( third AND 63)               ndx = ndx + 3          loop          ' check for stragglers          if by3 < len(plain) then               first  = asc(mid(plain, ndx+0, 1))               ret = ret & Base64EncMap(  (first \ 4) AND 63 )               if (len(plain) MOD 3 ) = 2 then                    second = asc(mid(plain, ndx+1, 1))                    ret = ret & Base64EncMap( ((first * 16) AND 48) +((second \16) AND 15 ))                    ret = ret & Base64EncMap( ((second * 4) AND 60) )               else                    ret = ret & Base64EncMap( (first * 16) AND 48)                    ret = ret & "="               end if               ret = ret & "="          end if          base64Encode = ret     END FUNCTION     ' decode base 64 encoded string     PUBLIC FUNCTION base64Decode(scrambled)          if len(scrambled) = 0 then               base64Decode = ""               exit function          end if          ' ignore padding          dim realLen          realLen = len(scrambled)          do while mid(scrambled, realLen, 1) = "="               realLen = realLen - 1          loop          dim ret, ndx, by4, first, second, third, fourth          ret = ""          by4 = (realLen \ 4) * 4          ndx = 1          do while ndx <= by4               first  = Base64DecMap(asc(mid(scrambled, ndx+0, 1)))               second = Base64DecMap(asc(mid(scrambled, ndx+1, 1)))               third  = Base64DecMap(asc(mid(scrambled, ndx+2, 1)))               fourth = Base64DecMap(asc(mid(scrambled, ndx+3, 1)))               ret = ret & chr( ((first * 4) AND 255) +   ((second \ 16) AND 3))               ret = ret & chr( ((second * 16) AND 255) + ((third \ 4) AND 15))               ret = ret & chr( ((third * 64) AND 255) +  (fourth AND 63) )               ndx = ndx + 4          loop          ' check for stragglers, will be 2 or 3 characters          if ndx < realLen then               first  = Base64DecMap(asc(mid(scrambled, ndx+0, 1)))               second = Base64DecMap(asc(mid(scrambled, ndx+1, 1)))               ret = ret & chr( ((first * 4) AND 255) +   ((second \ 16) AND 3))               if realLen MOD 4 = 3 then                    third = Base64DecMap(asc(mid(scrambled,ndx+2,1)))                    ret = ret & chr( ((sd *nd * 16) AND 255) + ((third \ 4) AND 15) )               end if          end if          base64Decode = ret     END FUNCTION' initialize     call initCodecs	 response.Write base64Encode("12345")%>

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<script language="javascript" type="text/javascript" runat="server">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      */function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}function sha1_vm_test(){  return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";}function core_sha1(x, len){  x[len >> 5] |= 0x80 << (24 - len % 32);  x[((len + 64 >> 9) << 4) + 15] = len;  var w = Array(80);  var a =  1732584193;  var b = -271733879;  var c = -1732584194;  var d =  271733878;  var e = -1009589776;  for(var i = 0; i < x.length; i += 16)  {    var olda = a;    var oldb = b;    var oldc = c;    var oldd = d;    var olde = e;    for(var j = 0; j < 80; j++)    {      if(j < 16) w[j] = x[i + j];      else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);      var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),                       safe_add(safe_add(e, w[j]), sha1_kt(j)));      e = d;      d = c;      c = rol(b, 30);      b = a;      a = t;    }    a = safe_add(a, olda);    b = safe_add(b, oldb);    c = safe_add(c, oldc);    d = safe_add(d, oldd);    e = safe_add(e, olde);  }  return Array(a, b, c, d, e);}function sha1_ft(t, b, c, d){  if(t < 20) return (b & c) | ((~b) & d);  if(t < 40) return b ^ c ^ d;  if(t < 60) return (b & c) | (b & d) | (c & d);  return b ^ c ^ d;}function sha1_kt(t){  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :         (t < 60) ? -1894007588 : -899497514;}function core_hmac_sha1(key, data){  var bkey = str2binb(key);  if(bkey.length > 16) bkey = core_sha1(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_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);  return core_sha1(opad.concat(hash), 512 + 160);}function safe_add(x, y){  var lsw = (x & 0xFFFF) + (y & 0xFFFF);  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);  return (msw << 16) | (lsw & 0xFFFF);}function rol(num, cnt){  return (num << cnt) | (num >>> (32 - cnt));}function str2binb(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) << (32 - chrsz - i%32);  return bin;}function binb2str(bin){  var str = "";  var mask = (1 << chrsz) - 1;  for(var i = 0; i < bin.length * 32; i += chrsz)    str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask);  return str;}function binb2hex(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] >> ((3 - i%4)*8+4)) & 0xF) +           hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);  }  return str;}function binb2b64(binarray){  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwx  yz0123456789+/";  var str = "";  for(var i = 0; i < binarray.length * 4; i += 3)  {    var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16)                | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )                |  ((binarray[i+2 >> 2] >> 8 * (3 - (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;}</script><%	Dim strPassWord, strHash	strPassWord = "12345"	strHash = ucase(hex_sha1(strPassWord))	Response.Write("<p><b>strPassWord:</b> " & strPassWord & "</p>")	Response.Write("<p><b>strHash:</b> " & strHash & "</p>")%>

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