PHP code example of gboddin / psk-validator

1. Go to this page and download the library: Download gboddin/psk-validator library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

gboddin / psk-validator example snippets


$sharedsecret = '43223ff65b6ce17072cda5729b20daceec611d1f39e76040d347ceeca51d2a47';
$data = json_encode(['suff','otherstuff',['machin' => 'bidule']]);

/**
 * Client :
 * Invoke the validator with the pre-shared key and an algo  (sha256 by default) and
 * define an allowed time drift in minutes ( 2 by default ).
 */
$sigValidation = new \Gbo\PSKValidator($sharedsecret, 'sha256');
/**
 * Signs a bunch of data and get the signature.
 * The second optional parameters allows for a user provided salt instead
 * of the default time based salt. It must be agreed on between client and server.
 */
$signature =  $sigValidation->sign($data, null);



/**
 * Server :
 * The optional third parameter allows to define a maximum time drift  in minutes ( default 2 minutes )
 */
 
$signature =  $httpRequest->getHeader('x-signature');
$sharedsecret = '43223ff65b6ce17072cda5729b20daceec611d1f39e76040d347ceeca51d2a47';
$sigValidation = new \PSKValidator($sharedsecret, 'sha256', 2);
$data = $httpRequest->getBody();

/**
 * Server :
 * The third optional parameters allows for a user provided salt instead
 * of the default time based salt. It must be agreed on between client and server.
 */

$signatureIsValid = $sigValidation->verify($data, $signature, null);

var_dump(
    $data,
    $signature,
    $sigValidation->getTimeBasedSignatures($data),
    $signatureIsValid
);