/**
* Quickly hash the message using the assigned key using randomness.
*
* @param string $msg The message to be short hashed.
* @param string $key The key to hash the message against.
* @return string
* @throws Exceptions\InvalidTypeException
*/
public static function shortHash($msg, $key)
{
# Test the message and key for string validity.
Helpers::isString($msg, 'Hash', 'shortHash');
Helpers::isString($key, 'Hash', 'shortHash');
return \Sodium\crypto_shorthash($msg, $key);
}
/**
* Compute an integer key for shared memory
*
* @param string $lookup
* @return string
*/
public function getSHMKey(string $lookup) : string
{
return Base64UrlSafe::encode(\Sodium\crypto_shorthash($this->personalization . $lookup, $this->cacheKeyL) . \Sodium\crypto_shorthash($this->personalization . $lookup, $this->cacheKeyR));
}
