ParagonIE_Sodium_Compat::crypto_generichash( string $message, string|null $key = '', int $length = self::CRYPTO_GENERICHASH_BYTES ): string

1701    public static function crypto_generichash(1702        $message,1703        #[\SensitiveParameter]1704        $key = '',1705        $length = self::CRYPTO_GENERICHASH_BYTES1706    ) {1707        /* Type checks: */1708        ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);1709        if (is_null($key)) {1710            $key = '';1711        }1712        ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2);1713        ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 3);1714 1715        /* Input validation: */1716        if (!empty($key)) {1717            if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) {1718                throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.');1719            }1720            if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) {1721                throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.');1722            }1723        }1724 1725        if (self::useNewSodiumAPI()) {1726            return (string) sodium_crypto_generichash($message, $key, $length);1727        }1728        if (self::use_fallback('crypto_generichash')) {1729            return (string) call_user_func('\\Sodium\\crypto_generichash', $message, $key, $length);1730        }1731        if (PHP_INT_SIZE === 4) {1732            return ParagonIE_Sodium_Crypto32::generichash($message, $key, $length);1733        }1734        return ParagonIE_Sodium_Crypto::generichash($message, $key, $length);1735    }