denobisipsis / sha Goto Github PK

# Execute the "Sample #1" from NIST-DOC KMACXOF_samples.pdf
# I did run it from the CLI from an Ubuntu with PHP8 installed
#
php shahash.php KMACXOF128 -H 404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F 00010203 256

	function print_raw($stream)
	{
		$l_out="[\n";
		$l_thex = $stream;
		$l=strlen( $l_thex);
		$l_tmp_array []=str_split( $l_thex, 2);
		$l_cnt=0;
		for ($x = 0; $x <= intval($l/2);$x++)
		{
			$l_cnt++;
			$l_out=$l_out.substr($l_thex,($x*2),2)." ";
			if ( ($l_cnt % 8) == 0) $l_out = $l_out." ";
			if ( ($l_cnt % 16) == 0) $l_out = $l_out."\n";
		}

		$l_out = $l_out." -> len(".($l_cnt-1).")\n";
		$l_out=$l_out."]";
		return $l_out;
	} // end print_raw



// position [0] is the script's file name
array_shift($argv);
$funcName = array_shift($argv);
if ($argc >1) $v_arg1 = array_shift($argv);
if ($argc >2) $v_arg2 = array_shift($argv);
if ($argc >3) $v_arg3 = array_shift($argv); else $v_arg3="";
if ($argc >4) $v_arg4 = array_shift($argv); else $v_arg4="";
if ($argc >5) $v_arg5 = array_shift($argv); else $v_arg5="";

  echo "Calling KMAC $funcName ...\n";
  echo ".. arg1 = [".$v_arg1."]\n";
  echo ".. arg2 = [".$v_arg2."]\n";
  echo ".. arg3 = [".$v_arg3."]\n";
  echo ".. arg4 = [".$v_arg4."]\n";
  echo ".. arg5 = [".$v_arg5."]\n";


	if (  strtoupper($v_arg1) == '-H' )
	{
		$l_value1 = pack("H*", $v_arg2 );
		$l_value2 = pack("H*", $v_arg3 );
		$l_value3 = $v_arg4;
		$l_value4 = pack("H*", $v_arg5 );
	}
	else
	{
		$l_value1 = $v_arg1;
		$l_value2 = $v_arg2;
		$l_value3 = $v_arg3;
		$l_value4 = $v_arg4;
	}
  $obj = new SHA();
  $l_rtn = $obj->KMACXOF128($l_value1, $l_value2, $l_value3, $l_value4);

  echo $obj->print_raw($l_rtn)."\n";