用PHP写的MD5加密函数时间：2024/12/3作者：未知来源：盾怪网教程人气： [摘要]LShift(0x80,$lBytePosition); $lWordArray[$lNumberOfWords-2]=LShift($lMessageLength,3); ... LShift(0x80,$lBytePosition); $lWordArray[$lNumberOfWords-2]=LShift($lMessageLength,3); $lWordArray[$lNumberOfWords-1]=RShift($lMessageLength,29); return $lWordArray; } function WordToHex($lValue) { $tmpstr=""; for ($lCount=0; $lCount<=3; $lCount++) { $lByte=RShift($lValue,$lCount*BITS_TO_A_BYTE)&$GLOBALS[BITS_TO_A_BYTE-1]; $tmpstr=$tmpstr.(substr("0".dechex($lByte),strlen("0".dechex($lByte))-2));//这行可能有问题 } return $tmpstr; } function php_MD5($sMessage)
{
$GLOBALS[0]=intval(1);
$GLOBALS[1]=intval(3);
$GLOBALS[2]=intval(7);
$GLOBALS[3]=intval(15);
$GLOBALS[4]=intval(31);
$GLOBALS[5]=intval(63);
$GLOBALS[6]=intval(127);
$GLOBALS[7]=intval(255);
$GLOBALS[8]=intval(511);
$GLOBALS[9]=intval(1023);
$GLOBALS[10]=intval(2047);
$GLOBALS[11]=intval(4095);
$GLOBALS[12]=intval(8191);
$GLOBALS[13]=intval(16383);
$GLOBALS[14]=intval(32767);
$GLOBALS[15]=intval(65535);
$GLOBALS[16]=intval(131071);
$GLOBALS[17]=intval(262143);
$GLOBALS[18]=intval(524287);
$GLOBALS[19]=intval(1048575);
$GLOBALS[20]=intval(2097151);
$GLOBALS[21]=intval(4194303);
$GLOBALS[22]=intval(8388607);
$GLOBALS[23]=intval(16777215);
$GLOBALS[24]=intval(33554431);
$GLOBALS[25]=intval(67108863);
$GLOBALS[26]=intval(134217727);
$GLOBALS[27]=intval(268435455);
$GLOBALS[28]=intval(536870911);
$GLOBALS[29]=intval(1073741823);
$GLOBALS[30]=intval(2147483647);
$GLOBALS[0]=intval(1);
$GLOBALS[1]=intval(2);
$GLOBALS[2]=intval(4);
$GLOBALS[3]=intval(8);
$GLOBALS[4]=intval(16);
$GLOBALS[5]=intval(32);
$GLOBALS[6]=intval(64);
$GLOBALS[7]=intval(128);
$GLOBALS[8]=intval(256);
$GLOBALS[9]=intval(512);
$GLOBALS[10]=intval(1024);
$GLOBALS[11]=intval(2048);
$GLOBALS[12]=intval(4096);
$GLOBALS[13]=intval(8192);
$GLOBALS[14]=intval(16384);
$GLOBALS[15]=intval(32768);
$GLOBALS[16]=intval(65536);
$GLOBALS[17]=intval(131072);
$GLOBALS[18]=intval(262144);
$GLOBALS[19]=intval(524288);
$GLOBALS[20]=intval(1048576);
$GLOBALS[21]=intval(2097152);
$GLOBALS[22]=intval(4194304);
$GLOBALS[23]=intval(8388608);
$GLOBALS[24]=intval(16777216);
$GLOBALS[25]=intval(33554432);
$GLOBALS[26]=intval(67108864);
$GLOBALS[27]=intval(134217728);
$GLOBALS[28]=intval(268435456);
$GLOBALS[29]=intval(536870912);
$GLOBALS[30]=intval(1073741824);
$S11=7;
$S12=12;
$S13=17;
$S14=22;
$S21=5;
$S22=9;
$S23=14;
$S24=20;
$S31=4;
$S32=11;
$S33=16;
$S34=23;
$S41=6;
$S42=10;
$S43=15;
$S44=21;
$x=ConvertToWordArray($sMessage);
$a=0x67452301;
$b=0xEFCDAB89;
$c=0x98BADCFE;
$d=0x10325476;
for ($k=0; $k<=count($x); $k=$k+16)
{
$AA=$a;
$BB=$b;
$CC=$c;
$DD=$d;
md5_FF($a,$b,$c,$d,$x[$k+0],$S11,0xD76AA478);
md5_FF($d,$a,$b,$c,$x[$k+1],$S12,0xE8C7B756);
md5_FF($c,$d,$a,$b,$x[$k+2],$S13,0x242070DB);
md5_FF($b,$c,$d,$a,$x[$k+3],$S14,0xC1BDCEEE);
md5_FF($a,$b,$c,$d,$x[$k+4],$S11,0xF57C0FAF);
md5_FF($d,$a,$b,$c,$x[$k+5],$S12,0x4787C62A);
md5_FF($c,$d,$a,$b,$x[$k+6],$S13,0xA8304613);
md5_FF($b,$c,$d,$a,$x[$k+7],$S14,0xFD469501);
md5_FF($a,$b,$c,$d,$x[$k+8],$S11,0x698098D8);
md5_FF($d,$a,$b,$c,$x[$k+9],$S12,0x8B44F7AF);
md5_FF($c,$d,$a,$b,$x[$k+10],$S13,0xFFFF5BB1);
md5_FF($b,$c,$d,$a,$x[$k+11],$S14,0x895CD7BE);
md5_FF($a,$b,$c,$d,$x[$k+12],$S11,0x6B901122);
md5_FF($d,$a,$b,$c,$x[$k+13],$S12,0xFD987193);
md5_FF($c,$d,$a,$b,$x[$k+14],$S13,0xA679438E);
md5_FF($b,$c,$d,$a,$x[$k+15],$S14,0x49B40821);
md5_GG($a,$b,$c,$d,$x[$k+1],$S21,0xF61E2562);
md5_GG($d,$a,$b,$c,$x[$k+6],$S22,0xC040B340);
md5_GG($c,$d,$a,$b,$x[$k+11],$S23,0x265E5A51);
md5_GG($b,$c,$d,$a,$x[$k+0],$S24,0xE9B6C7AA);
md5_GG($a,$b,$c,$d,$x[$k+5],$S21,0xD62F105D);
md5_GG($d,$a,$b,$c,$x[$k+10],$S22,0x2441453);
md5_GG($c,$d,$a,$b,$x[$k+15],$S23,0xD8A1E681);
md5_GG($b,$c,$d,$a,$x[$k+4],$S24,0xE7D3FBC8);
md5_GG($a,$b,$c,$d,$x[$k+9],$S21,0x21E1CDE6);
md5_GG($d,$a,$b,$c,$x[$k+14],$S22,0xC33707D6);
md5_GG($c,$d,$a,$b,$x[$k+3],$S23,0xF4D50D87);
md5_GG($b,$c,$d,$a,$x[$k+8],$S24,0x455A14ED);
md5_GG($a,$b,$c,$d,$x[$k+13],$S21,0xA9E3E905);
md5_GG($d,$a,$b,$c,$x[$k+2],$S22,0xFCEFA3F8);
md5_GG($c,$d,$a,$b,$x[$k+7],$S23,0x676F02D9);
md5_GG($b,$c,$d,$a,$x[$k+12],$S24,0x8D2A4C8A);
md5_HH($a,$b,$c,$d,$x[$k+5],$S31,0xFFFA3942);
md5_HH($d,$a,$b,$c,$x[$k+8],$S32,0x8771F681);
md5_HH($c,$d,$a,$b,$x[$k+11],$S33,0x6D9D6122);
md5_HH($b,$c,$d,$a,$x[$k+14],$S34,0xFDE5380C);
md5_HH($a,$b,$c,$d,$x[$k+1],$S31,0xA4BEEA44);
md5_HH($d,$a,$b,$c,$x[$k+4],$S32,0x4BDECFA9);
md5_HH($c,$d,$a,$b,$x[$k+7],$S33,0xF6BB4B60);
md5_HH($b,$c,$d,$a,$x[$k+10],$S34,0xBEBFBC70);
md5_HH($a,$b,$c,$d,$x[$k+13],$S31,0x289B7EC6);
md5_HH($d,$a,$b,$c,$x[$k+0],$S32,0xEAA127FA);
md5_HH($c,$d,$a,$b,$x[$k+3],$S33,0xD4EF3085);
md5_HH($b,$c,$d,$a,$x[$k+6],$S34,0x4881D05);
md5_HH($a,$b,$c,$d,$x[$k+9],$S31,0xD9D4D039);
md5_HH($d,$a,$b,$c,$x[$k+12],$S32,0xE6DB99E5);
md5_HH($c,$d,$a,$b,$x[$k+15],$S33,0x1FA27CF8);
md5_HH($b,$c,$d,$a,$x[$k+2],$S34,0xC4AC5665);
md5_II($a,$b,$c,$d,$x[$k+0],$S41,0xF4292244);
md5_II($d,$a,$b,$c,$x[$k+7],$S42,0x432AFF97);
md5_II($c,$d,$a,$b,$x[$k+14],$S43,0xAB9423A7);
md5_II($b,$c,$d,$a,$x[$k+5],$S44,0xFC93A039);
md5_II($a,$b,$c,$d,$x[$k+12],$S41,0x655B59C3);
md5_II($d,$a,$b,$c,$x[$k+3],$S42,0x8F0CCC92);
md5_II($c,$d,$a,$b,$x[$k+10],$S43,0xFFEFF47D);
md5_II($b,$c,$d,$a,$x[$k+1],$S44,0x85845DD1);
md5_II($a,$b,$c,$d,$x[$k+8],$S41,0x6FA87E4F);
md5_II($d,$a,$b,$c,$x[$k+15],$S42,0xFE2CE6E0);
md5_II($c,$d,$a,$b,$x[$k+6],$S43,0xA3014314);
md5_II($b,$c,$d,$a,$x[$k+13],$S44,0x4E0811A1);
md5_II($a,$b,$c,$d,$x[$k+4],$S41,0xF7537E82);
md5_II($d,$a,$b,$c,$x[$k+11],$S42,0xBD3AF235);
md5_II($c,$d,$a,$b,$x[$k+2],$S43,0x2AD7D2BB);
md5_II($b,$c,$d,$a,$x[$k+9],$S44,0xEB86D391);
$a=AddUnsigned($a,$AA);
$b=AddUnsigned($b,$BB);
$c=AddUnsigned($c,$CC);
$d=AddUnsigned($d,$DD);
}
return strtolower(WordToHex($a).WordToHex($b).WordToHex($c).WordToHex($d));
}
$aaa=php_MD5("sdfasdf");
echo $aaa; 关键词：用PHP写的MD5加密函数
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