function GoogleAuthenticator::helperhex2b32 in Google Authenticator login 6

Same name and namespace in other branches

1. 7 ga4php.php \GoogleAuthenticator::helperhex2b32()

2 calls to GoogleAuthenticator::helperhex2b32()

ga_loginGA::createURL in ./ga_login.class.php

GoogleAuthenticator::createURL in ./ga4php.php

File

./ga4php.php, line 352

Class

GoogleAuthenticator

Code

function helperhex2b32($hex) {
  $alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
  $ar = str_split($hex, 5);
  $out = "";
  foreach ($ar as $var) {
    $bc = base_convert($var, 16, 2);
    $bin = str_pad($bc, 20, "0", STR_PAD_LEFT);
    $out .= $bin;

    //echo "$bc was, $var is, $bin are\n";
  }
  $out2 = "";
  $ar2 = str_split($out, 5);
  foreach ($ar2 as $var2) {
    $bc = base_convert($var2, 2, 10);
    $out2 .= $alphabet[$bc];
  }
  return $out2;
}