openssl_decrypt

(PHP 5 >= 5.3.0, PHP 7)

openssl_decryptDecrypts data

Описание

string openssl_decrypt ( string $data , string $method , string $password [, int $options = 0 [, string $iv = "" [, string $tag = "" [, string $aad = "" ]]]] )

Takes a raw or base64 encoded string and decrypts it using a given method and key.

Внимание

К настоящему времени эта функция еще не была документирована; для ознакомления доступен только список аргументов.

Список параметров

data

The data.

method

The cipher method.

password

The password.

options

options can be one of OPENSSL_RAW_DATA, OPENSSL_ZERO_PADDING.

iv

A non-NULL Initialization Vector.

tag

The authentication tag in AEAD cipher mode. If it is incorrect, the authentication fails and the function returns FALSE.

aad

Additional authentication data.

Возвращаемые значения

The decrypted string on success или FALSE в случае возникновения ошибки.

Ошибки

Emits an E_WARNING level error if an unknown cipher algorithm is passed via the method parameter.

Emits an E_WARNING level error if an empty value is passed in via the iv parameter.

Список изменений

Версия Описание
5.3.3 The iv parameter was added.
5.4.0 The raw_output was changed to options.
7.1.0 The tag and aad parameters were added.

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