PHP code example of randrei98 / ecdsaphp

1. Go to this page and download the library: Download randrei98/ecdsaphp 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/ */

randrei98 / ecdsaphp example snippets


 use \ECDSA\Key;
use \ECDSA\Curves;
use \ECDSA\Algorithms;
use \ECDSA\ECDSA;

$pem = 'EC PRIVATE KEY PEM FORMAT';

$curve = Curves::NIST256p();
$algorithm = Algorithms::ES256();

$key = new Key($pem, '', $curve, $algorithm);

$message = 'HELLO';

$Signature = ECDSA::Sign($message, $key);

$verif = ECDSA::Verify($message, $Signature, $key);

var_dump($verif);