openssl_encrypt

(PHP 5 >= 5.3.0, PHP 7)

openssl_encryptEncrypts data

Описание

string openssl_encrypt ( string $data , string $method , string $password [, int $options = 0 [, string $iv = "" [, string &$tag = NULL [, string $aad = "" [, int $tag_length = 16 ]]]]] )

Encrypts given data with given method and key, returns a raw or base64 encoded string

Список параметров

data

The data.

method

The cipher method. For a list of available cipher methods, use openssl_get_cipher_methods().

password

The password.

options

options is a bitwise disjunction of the flags OPENSSL_RAW_DATA and OPENSSL_ZERO_PADDING.

iv

A non-NULL Initialization Vector.

tag

The authentication tag passed by reference when using AEAD cipher mode (GCM or CCM).

aad

Additional authentication data.

tag_length

The length of the authentication tag. Its value can be between 4 and 16 for GCM mode.

Возвращаемые значения

Returns the encrypted string on success или FALSE в случае возникновения ошибки.

Ошибки

Emits an E_WARNING level error if an unknown cipher algorithm is passed in 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, aad and tag_length parameters were added.

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