Generate a keyed hash value using the HMAC method

Описание

string hash_hmac ( string $algo , string $data , string $key [, bool $raw_output = false ] )

Список параметров

algo: Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..) See hash_algos() for a list of supported algorithms.
data: Message to be hashed.
key: Shared secret key used for generating the HMAC variant of the message digest.
raw_output: When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.

Возвращаемые значения

Returns a string containing the calculated message digest as lowercase hexits unless raw_output is set to true in which case the raw binary representation of the message digest is returned.

Примеры

Пример #1 hash_hmac() example


<?php
echo hash_hmac('ripemd160', 'The quick brown fox jumped over the lazy dog.', 'secret');
?>

Результат выполнения данного примера:

b8e7ae12510bdfb1812e463a7f086122cf37e4f7

Смотрите также

hash() - Generate a hash value (message digest)
hash_algos() - Return a list of registered hashing algorithms
hash_init() - Initialize an incremental hashing context
hash_hmac_file() - Generate a keyed hash value using the HMAC method and the contents of a given file