Hash Функции
PHP Manual

hash_hmac

(PHP 5 >= 5.1.2, PECL hash >= 1.1)

hash_hmacGenerate a keyed hash value using the HMAC method

Описание

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

Параметри

algo

Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)

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. Default value (FALSE) outputs lowercase hexits.

Връщани стойности

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.

Примери

Example #1 hash_hmac() example

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

Примерът по-горе ще изведе:

b8e7ae12510bdfb1812e463a7f086122cf37e4f7

Вж. също


Hash Функции
PHP Manual