File: tests/P256Test.php

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File: tests/P256Test.php
Role: Class source
Content type: text/plain
Description: Class source
Class: Easy PHP ECC
Encrypt, decrypt and sign messages with PHPECC
Author: By
Last change:
Date: 4 days ago
Size: 2,299 bytes
 

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<?php
declare(strict_types=1);
namespace
ParagonIE\EasyECC\Tests;
use
FG\ASN1\Exception\ParserException;
use
ParagonIE\EasyECC\EasyECC;
use
PHPUnit\Framework\TestCase;

/**
 * Class P256Test
 * @package ParagonIE\EasyECC\Tests
 */
class P256Test extends TestCase
{
   
/** @var EasyECC */
   
protected $ecc;

   
/**
     * @throws \ParagonIE\EasyECC\Exception\ConfigException
     */
   
public function setUp(): void
   
{
       
$this->ecc = new EasyECC('P256');
    }

   
/**
     * @throws \SodiumException
     * @throws \TypeError
     */
   
public function testKeyExchange()
    {
       
$alice_sk = $this->ecc->generatePrivateKey();
       
$alice_pk = $alice_sk->getPublicKey();
       
$bob_sk = $this->ecc->generatePrivateKey();
       
$bob_pk = $bob_sk->getPublicKey();
       
$alice_to_bob = $this->ecc->keyExchange($alice_sk, $bob_pk, false);
       
$bob_to_alice = $this->ecc->keyExchange($bob_sk, $alice_pk, true);
       
$alice_to_bob2 = $this->ecc->keyExchange($alice_sk, $bob_pk, true);
       
$bob_to_alice2 = $this->ecc->keyExchange($bob_sk, $alice_pk, false);
       
$this->assertSame($alice_to_bob, $bob_to_alice);
       
$this->assertSame($alice_to_bob2, $bob_to_alice2);
       
$this->assertNotSame($alice_to_bob, $bob_to_alice2);
       
$this->assertNotSame($alice_to_bob2, $bob_to_alice);
    }

   
/**
     * @throws \SodiumException
     * @throws \TypeError
     */
   
public function testScalarMult()
    {
       
$alice_sk = $this->ecc->generatePrivateKey();
       
$alice_pk = $alice_sk->getPublicKey();
       
$bob_sk = $this->ecc->generatePrivateKey();
       
$bob_pk = $bob_sk->getPublicKey();
       
$alice_to_bob = $this->ecc->scalarmult($alice_sk, $bob_pk);
       
$bob_to_alice = $this->ecc->scalarmult($bob_sk, $alice_pk);
       
$this->assertSame($alice_to_bob, $bob_to_alice);
    }

   
/**
     * @throws ParserException
     * @throws \SodiumException
     * @throws \TypeError
     */
   
public function testSign()
    {
       
$sk = $this->ecc->generatePrivateKey();
       
$pk = $sk->getPublicKey();

       
$message = 'sample';
       
$sig = $this->ecc->sign($message, $sk);
       
$this->assertTrue($this->ecc->verify($message, $pk, $sig));
       
$this->assertFalse($this->ecc->verify('samplf', $pk, $sig));
    }
}


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