public function GoogleAuthenticator::helperhex2b32 in Google Authenticator login 7

Same name and namespace in other branches

1. 6 ga4php.php \GoogleAuthenticator::helperhex2b32()

Convert hax to b32.

2 calls to GoogleAuthenticator::helperhex2b32()

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

Create authentication URL.

GoogleAuthenticator::createURL in ./ga4php.php

Create a url compatibile with google authenticator.

File

./ga4php.php, line 362

Abstract GoogleAuthenticator class.

Class

GoogleAuthenticator

@file Abstract GoogleAuthenticator class.

Code

public 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;
  }
  $out2 = "";
  $ar2 = str_split($out, 5);
  foreach ($ar2 as $var2) {
    $bc = base_convert($var2, 2, 10);
    $out2 .= $alphabet[$bc];
  }
  return $out2;
}