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  1. <?php
  2.  
  3. // step 1
  4.  
  5. $publickey='0450863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B23522CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6';
  6.  
  7. $step1=hexStringToByteString($publickey);
  8.  
  9. echo "step1 ".$publickey."<br>";
  10.  
  11. // step 2
  12.  
  13. $step2=hash("sha256",$step1);
  14. echo "step2 ".$step2."<br>";
  15.  
  16. // step 3
  17.  
  18. $step3=hash('ripemd160',hexStringToByteString($step2));
  19. echo "step3 ".$step3."<br>";
  20.  
  21. // step 4
  22.  
  23. $step4="00".$step3;
  24. echo "step4 ".$step4."<br>";
  25.  
  26. // step 5
  27.  
  28. $step5=hash("sha256",hexStringToByteString($step4));
  29. echo "step5 ".$step5."<br>";
  30.  
  31. // step 6
  32.  
  33. $step6=hash("sha256",hexStringToByteString($step5));
  34. echo "step6 ".$step6."<br>";
  35.  
  36. // step 7
  37.  
  38. $checksum=substr($step6,0,8);
  39. echo "step7 ".$checksum."<br>";
  40.  
  41. // step 8
  42.  
  43. $step8=$step4.$checksum;
  44. echo "step8 ".$step8."<br>";
  45.  
  46. // step 9
  47. // base conversion is from hex to base58 via decimal. 
  48. // Leading hex zero converts to 1 in base58 but it is dropped
  49. // in the intermediate decimal stage.  Simply added back manually.
  50.  
  51. $step9="1".bc_base58_encode(bc_hexdec($step8));
  52. echo "step9 ".$step9."<br><br>";
  53.  
  54.  
  55. function hexStringToByteString($hexString){
  56.     $len=strlen($hexString);
  57.  
  58.     $byteString="";
  59.     for ($i=0;$i<$len;$i=$i+2){
  60.         $charnum=hexdec(substr($hexString,$i,2));
  61.         $byteString.=chr($charnum);
  62.     }
  63.  
  64. return $byteString;
  65. }
  66.  
  67. // BCmath version for huge numbers
  68. function bc_arb_encode($num, $basestr) {
  69.     if( ! function_exists('bcadd') ) {
  70.         Throw new Exception('You need the BCmath extension.');
  71.     }
  72.  
  73.     $base = strlen($basestr);
  74.     $rep = '';
  75.  
  76.     while( true ){
  77.         if( strlen($num) < 2 ) {
  78.             if( intval($num) <= 0 ) {
  79.                 break;
  80.             }
  81.         }
  82.         $rem = bcmod($num, $base);
  83.         $rep = $basestr[intval($rem)] . $rep;
  84.         $num = bcdiv(bcsub($num, $rem), $base);
  85.     }
  86.     return $rep;
  87. }
  88.  
  89. function bc_arb_decode($num, $basestr) {
  90.     if( ! function_exists('bcadd') ) {
  91.         Throw new Exception('You need the BCmath extension.');
  92.     }
  93.  
  94.     $base = strlen($basestr);
  95.     $dec = '0';
  96.  
  97.     $num_arr = str_split((string)$num);
  98.     $cnt = strlen($num);
  99.     for($i=0; $i < $cnt; $i++) {
  100.         $pos = strpos($basestr, $num_arr[$i]);
  101.         if( $pos === false ) {
  102.             Throw new Exception(sprintf('Unknown character %s at offset %d', $num_arr[$i], $i));
  103.         }
  104.         $dec = bcadd(bcmul($dec, $base), $pos);
  105.     }
  106.     return $dec;
  107. }
  108.  
  109.  
  110. // base 58 alias
  111. function bc_base58_encode($num) {   
  112.     return bc_arb_encode($num, '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz');
  113. }
  114. function bc_base58_decode($num) {
  115.     return bc_arb_decode($num, '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz');
  116. }
  117.  
  118. //hexdec with BCmath
  119. function bc_hexdec($num) {
  120.     return bc_arb_decode(strtolower($num), '0123456789abcdef');
  121. }
  122. function bc_dechex($num) {
  123.     return bc_arb_encode($num, '0123456789abcdef');
  124. }
  125. ?>
Success #stdin #stdout 0.04s 52480KB
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step1 0450863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B23522CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6<br>step2 600ffe422b4e00731a59557a5cca46cc183944191006324a447bdb2d98d4b408<br>step3 010966776006953d5567439e5e39f86a0d273bee<br>step4 00010966776006953d5567439e5e39f86a0d273bee<br>step5 445c7a8007a93d8733188288bb320a8fe2debd2ae1b47f0f50bc10bae845c094<br>step6 d61967f63c7dd183914a4ae452c9f6ad5d462ce3d277798075b107615c1a8a30<br>step7 d61967f6<br>step8 00010966776006953d5567439e5e39f86a0d273beed61967f6<br>step9 16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM<br><br>
https://ideone.com/K0tJlV
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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