public function testGenerateAndSign()
{
$key = new KeyPair();
$key->generate();
$data_to_sign = 'The quick brown fox jumps over the lazy dog';
$signature = $key->sign($data_to_sign);
$this->assertTrue($key->verify($data_to_sign, $signature));
}
public function testSignAndVerify()
{
$key = new KeyPair();
$key->generate();
$key->store($this->pubkey, $this->privkey);
$this->assertTrue(file_exists($this->pubkey));
$this->assertTrue(file_exists($this->privkey));
$client = new Client();
$client->setPrivateKey($this->privkey);
$data = ['fox' => 'quick', 'colour' => 'brown', 'dog' => 'lazy'];
$signature = $client->createSignature($data);
$this->assertNotEmpty($signature);
$this->assertTrue(is_string($data['cnonce']));
$this->assertTrue(is_string($data['sig']));
$server = new Server();
$server->setPublicKey($this->pubkey);
$server->verifySignature($data);
$this->assertTrue(true);
// Can't verify without signature
unset($data['sig']);
try {
$server->verifySignature($data);
$this->assertTrue(false);
} catch (SignatureException $e) {
$this->assertTrue(true);
}
// Can't verify garbage signature
$data['sig'] = 'Garbage';
try {
$server->verifySignature($data);
$this->assertTrue(false);
} catch (SignatureException $e) {
$this->assertTrue(true);
}
// Can't verify without cnonce
$data = ['fox' => 'quick', 'colour' => 'brown', 'dog' => 'lazy'];
$signature = $client->createSignature($data);
$this->assertNotEmpty($signature);
unset($data['cnonce']);
try {
$server->verifySignature($data);
$this->assertTrue(false);
} catch (SignatureException $e) {
$this->assertTrue(true);
}
}