RIPEMD Hash a String

Demonstrates how to RIPEMD hash a string using RIPEMD-128, RIPEMD-160, RIPEMD-256, and RIPEMD-320.

Download Chilkat Crypt ActiveX

<?php

$crypt = new COM("Chilkat.Crypt2");

//  Any string argument automatically begins the 30-day trial.
$success = $crypt->UnlockComponent('30-day trial');
if ($success != true) {
    print $crypt->lastErrorText() . "\n";
    exit;
}

$content = 'abcdefghijklmnopqrstuvwxyz';

//  The desired output is a hexidecimal string:
$crypt->EncodingMode = 'hex';

//  Set the hash algorithm:
$crypt->HashAlgorithm = 'ripemd128';

$hashStr = $crypt->hashStringENC($content);

print $hashStr . "\n";

//  The output is:
//  FD2AA607F71DC8F510714922B371834E

$crypt->HashAlgorithm = 'ripemd160';
$hashStr = $crypt->hashStringENC($content);
print $hashStr . "\n";

//  The output is:
//  F71C27109C692C1B56BBDCEB5B9D2865B3708DBC

$crypt->HashAlgorithm = 'ripemd256';
$hashStr = $crypt->hashStringENC($content);
print $hashStr . "\n";

//  The output is:
//  649D3034751EA216776BF9A18ACC81BC7896118A5197968782DD1FD97D8D5133

$crypt->HashAlgorithm = 'ripemd320';
$hashStr = $crypt->hashStringENC($content);
print $hashStr . "\n";

//  The output is:
//  CABDB1810B92470A2093AA6BCE05952C28348CF43FF60841975166BB40ED234004B8824463E6B009

?>