HMAC SHA-1 to Match RFC 2022 Test Vectors

Demonstrates using Chilkat in PHP to computer HMAC SHA-1 message authentication codes to match the test vectors given by RFC 2202.

Download Chilkat Crypt ActiveX

<?php

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

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

//  The output will be Hex, so set the EncodingMode:
$crypt->EncodingMode = 'hex';

//  Set the hash algorithm:
//  Choices are: md5, sha-1, sha256, sha384, sha512, md2, haval
$crypt->HashAlgorithm = 'sha-1';

//  Set the HMAC key:
$crypt->SetHmacKeyEncoded('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b','hex');
$mac = $crypt->hmacStringENC('Hi There');
print $mac . "\n";

$crypt->SetHmacKeyEncoded('Jefe','ansi');
$mac = $crypt->hmacStringENC('what do ya want for nothing?');
print $mac . "\n";
?>