MD7 - Message Digest

The quick brown fox jumps over the lazy dog

Hash - 09BB12072B567A089B3557F81443109C2677FAC32F33CCB034086CD66E2736A3

function h($x){
  $hx = "0123456789ABCDEF";
  $i = $ja = $jb = $jc = $jd = $je = $jf = $jg = $jh = 0;
  $t=0; $ii=0; $r=0;
  $s = array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,501,502,503,504,505,506,507,508,509,510,511,0);

for ($ii=0;$ii< strlen($x); $ii++){ 
  for ($r=0;$r<4;$r++){ 
      $i = ($i + 1) % 512;
      $ja = ($jh + $s[($ja + $s[$i]) % 512]) % 512;
      $jb = ($jb + $s[$ja]) % 512;
      $jc = ($jc + $s[$jb]) % 512;
      $jd = ($jd + $s[$jc]) % 512;
      $je = ($je + $s[$jd]) % 512;
      $jf = ($jf + $s[$je]) % 512;
      $jg = ($jg + $s[$jf]) % 512;
      $jh = ($jh + $s[$jg]) % 512;
      $t=$s[$jh]; $s[$jh]=$s[$i]; $s[$i]=$t;
      if ($r==1){ 
        $ja = ($ja + ($t ^ ord($x{$ii}))) % 512;
      } else {
        $ja = ($ja ^ ($t ^ ord($x{$ii}))) % 512;
      }
  }}
  for ($r=0;$r<512;$r++){
     $i = ($i + 1) % 512;
     $jb = $s[($jb + $s[$i]) % 512];
     $t=$s[$jb]; $s[$jb]=$s[$i]; $s[$i]=$t;
  }
  $out = "";
  for ($r=0;$r<32;$r++){
    $i = ($i + 1) % 512;
    $ja = ($ja + $s[$i]) % 512;
    $jb = ($jb + $s[$ja]) % 512;
    $jc = ($jc + $s[$jb]) % 512;
    $jd = ($jc + $s[$jc]) % 512;
    $je = ($jc + $s[$jd]) % 512;
    $jf = ($jc + $s[$je]) % 512;
    $jg = ($jc + $s[$jf]) % 512;
    $jh = ($jh + $s[$jg]) % 512;
    $t=$s[$jh]; $s[$jh]=$s[$i]; $s[$i]=$t;
    $out .= $hx{($t>>4) & 0xF} . $hx{($t & 0xF)};  
               
  }
  return $out;
}

MD7 - Message Digest

The quick brown fox jumps over the lazy dog

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