/**
* @param string $keyMaterial - The actual key data
* @param bool $signing - Is this a signing key?
*/
public function __construct(string $keyMaterial = '', ...$args)
{
if (CryptoUtil::safeStrlen($keyMaterial) !== \Sodium\CRYPTO_SIGN_SECRETKEYBYTES) {
throw new InvalidKey('Signature secret key must be CRYPTO_SIGN_SECRETKEYBYTES bytes long');
}
parent::__construct($keyMaterial, true);
}
/**
* @param HiddenString $keyMaterial - The actual key data
* @throws InvalidKey
*/
public function __construct(HiddenString $keyMaterial)
{
if (CryptoUtil::safeStrlen($keyMaterial->getString()) !== \Sodium\CRYPTO_BOX_SECRETKEYBYTES) {
throw new InvalidKey('Encryption secret key must be CRYPTO_BOX_SECRETKEYBYTES bytes long');
}
parent::__construct($keyMaterial);
}
/**
* @param HiddenString $keyMaterial - The actual key data
* @throws InvalidKey
*/
public function __construct(HiddenString $keyMaterial)
{
if (CryptoUtil::safeStrlen($keyMaterial->getString()) !== \Sodium\CRYPTO_SIGN_SECRETKEYBYTES) {
throw new InvalidKey('Signature secret key must be CRYPTO_SIGN_SECRETKEYBYTES bytes long');
}
parent::__construct($keyMaterial);
$this->isSigningKey = true;
}
public function testDeriveSigningKey()
{
list($sign_secret, $sign_public) = ASecretKey::deriveFromPassword('apple', "\t\n\v\f\r" . " ", Key::CRYPTO_SIGN);
$this->assertTrue($sign_secret instanceof ASecretKey);
$this->assertTrue($sign_public instanceof APublicKey);
// Can this be used?
$message = 'This is a test message';
$signed = Asymmetric::sign($message, $sign_secret);
$this->assertTrue(Asymmetric::verify($message, $sign_public, $signed));
$this->assertEquals($sign_public->get(), "þ\t†E·õÂbÈagÖ\t" . " •§”\\æÕU–ãuˆ4");
}