public function __construct($config_array)
{
$expected_keys = array("key_byte_size", "checksum_hash_function", "checksum_byte_size");
if (sort($expected_keys) !== true) {
throw Ex\CannotPerformOperationException("sort() failed.");
}
$actual_keys = array_keys($config_array);
if (sort($actual_keys) !== true) {
throw Ex\CannotPerformOperationException("sort() failed.");
}
if ($expected_keys !== $actual_keys) {
throw new Ex\CannotPerformOperationException("Trying to instantiate a bad key configuration.");
}
$this->key_byte_size = $config_array["key_byte_size"];
$this->checksum_hash_function = $config_array["checksum_hash_function"];
$this->checksum_byte_size = $config_array["checksum_byte_size"];
if (!\is_int($this->key_byte_size) || $this->key_byte_size <= 0) {
throw new Ex\CannotPerformOperationException("Invalid key byte size.");
}
if (\in_array($this->checksum_hash_function, \hash_algos()) === false) {
throw new Ex\CannotPerformOperationException("Invalid hash function name.");
}
if (!\is_int($this->checksum_byte_size) || $this->checksum_byte_size <= 0) {
throw new Ex\CannotPerformOperationException("Invalid checksum byte size.");
}
}
public function __construct($config_array)
{
$expected_keys = array("cipher_method", "block_byte_size", "key_byte_size", "salt_byte_size", "mac_byte_size", "hash_function_name", "encryption_info_string", "authentication_info_string");
if (sort($expected_keys) !== true) {
throw Ex\CannotPerformOperationException("sort() failed.");
}
$actual_keys = array_keys($config_array);
if (sort($actual_keys) !== true) {
throw Ex\CannotPerformOperationException("sort() failed.");
}
if ($expected_keys !== $actual_keys) {
throw new Ex\CannotPerformOperationException("Trying to instantiate a bad configuration.");
}
$this->cipher_method = $config_array["cipher_method"];
$this->block_byte_size = $config_array["block_byte_size"];
$this->key_byte_size = $config_array["key_byte_size"];
$this->salt_byte_size = $config_array["salt_byte_size"];
$this->mac_byte_size = $config_array["mac_byte_size"];
$this->hash_function_name = $config_array["hash_function_name"];
$this->encryption_info_string = $config_array["encryption_info_string"];
$this->authentication_info_string = $config_array["authentication_info_string"];
Core::ensureFunctionExists('openssl_get_cipher_methods');
if (\in_array($this->cipher_method, \openssl_get_cipher_methods()) === false) {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid OpenSSL cipher method.");
}
if (!\is_int($this->block_byte_size) || $this->block_byte_size <= 0) {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid block byte size.");
}
if (!\is_int($this->key_byte_size) || $this->key_byte_size <= 0) {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid key byte size.");
}
if ($this->salt_byte_size !== false) {
if (!is_int($this->salt_byte_size) || $this->salt_byte_size <= 0) {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid salt byte size.");
}
}
if (!\is_int($this->mac_byte_size) || $this->mac_byte_size <= 0) {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid MAC byte size.");
}
if (\in_array($this->hash_function_name, \hash_algos()) === false) {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid hash function name.");
}
if (!\is_string($this->encryption_info_string) || $this->encryption_info_string === "") {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid encryption info string.");
}
if (!\is_string($this->authentication_info_string) || $this->authentication_info_string === "") {
throw new Ex\CannotPerformOperationException("Configuration contains an invalid authentication info string.");
}
}