PHP code example of mglinski / ecc

    
        
<?php
require_once('vendor/autoload.php');

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

    

mglinski / ecc example snippets

Mdanter\Ecc\EccFactory;
use \Mdanter\Ecc\Message\MessageFactory;

$math = EccFactory::getAdapter();
$generator = EccFactory::getNistCurves()->generator256();

// Yeah, you won't really be doing that...
$alice = $generator->createPrivateKey();
$bob = $generator->createPrivateKey();

$messages = new MessageFactory($math);
$message = $messages->plaintext('Not for eavesdroppers', 'sha256');

// Exchange keys
$aliceDh = $alice->createExchange($messages, $bob->getPublicKey());
$bobDh = $bob->createExchange($messages, $alice->getPublicKey());

$encryptedMessage = $aliceDh->encrypt($message);
$decryptedMessage = $bobDh->decrypt($encryptedMessage);

echo $decryptedMessage->getContent() . PHP_EOL;

Mdanter\Ecc\EccFactory;
use \Mdanter\Ecc\File\PemLoader;
use \Mdanter\Ecc\Serializer\PrivateKey\DerPrivateKeySerializer;
use \Mdanter\Ecc\Serializer\PrivateKey\PemPrivateKeySerializer;
use \Mdanter\Ecc\Serializer\PublicKey\DerPublicKeySerializer;
use \Mdanter\Ecc\Serializer\PublicKey\PemPublicKeySerializer;
use \Mdanter\Ecc\Message\MessageFactory;

$math = EccFactory::getAdapter();
$messages = new MessageFactory($math);

$loader = new PemLoader();
$privKeySerializer = new PemPrivateKeySerializer(new DerPrivateKeySerializer());
$pubKeySerializer = new PemPublicKeySerializer(new DerPublicKeySerializer());

$alicePrivateKeyPath = '/path/to/alice.priv';
$bobPublicKeyPath = '/path/to/bob.pub';

$alice = $privKeySerializer->parse($loader->loadPrivateKeyData($alicePrivateKeyPath));
$bob = $pubKeySerializer->parse($loader->loadPublicKeyData($bobPublicKeyPath));

$aliceDh = $alice->createExchange($messages, $bob);

$message = $messages->plaintext('To Bob - For your eyes only', 'sha256');
$messageForBob = $aliceDh->encrypt($message);

// Binary!
echo $messageForBob->getContent() . PHP_EOL;

Mdanter\Ecc\File\PemLoader;
use \Mdanter\Ecc\Serializer\PrivateKey\DerPrivateKeySerializer;
use \Mdanter\Ecc\Serializer\PrivateKey\PemPrivateKeySerializer;
use \Mdanter\Ecc\Serializer\PublicKey\DerPublicKeySerializer;
use \Mdanter\Ecc\Serializer\PublicKey\PemPublicKeySerializer;

$loader = new PemLoader();
$privKeySerializer = new PemPrivateKeySerializer(new DerPrivateKeySerializer());
$pubKeySerializer = new PemPublicKeySerializer(new DerPublicKeySerializer());

$bobPrivateKeyPath = '/path/to/bob/privkey.pem';
$alicePublicKeyPath = '/path/to/alice/publickey.pem';

$alice = $pubKeySerializer->parse($loader->loadPublicKeyData($alicePrivateKeyPath));
$bob = $privKeySerializer->parse($loader->loadPrivateKeyData($bobPublicKeyPath));

$bobDh = $bob->createExchange($alice);
$messageForBob = $bobDh->decrypt('... the encrypted message... too lazy to actually generate the encoded message');