/**
* Generates a hashing key for further repeatable hashes.
*
* @param int $length Length of the key being generated for hashing.
* @return string
* @throws Exceptions\InvalidTypeException
* @throws Exceptions\OutOfRangeException
*/
public static function generateKey($length = Constants::GENERICHASH_KEYBYTES)
{
# Test the length for validity.
Helpers::rangeCheck($length, Constants::GENERICHASH_KEYBYTES_MAX, Constants::GENERICHASH_KEYBYTES_MIN, 'Hash', 'generateKey');
# Return the hash to the client.
return self::hash(Entropy::bytes($length), '', $length);
}
/**
* Returns a secure generated signing key to be used for messages.
*
* @return string
* @throws Exceptions\InvalidTypeException
* @throws Exceptions\OutOfRangeException
*/
public static function generateSigningKey()
{
return Entropy::bytes(Constants::AUTH_KEYBYTES);
}
