hash
PHP Manual

hash_hmac

(PHP 5 >= 5.1.2, PECL hash:1.1-1.5)

hash_hmac — Generate a keyed hash value using the HMAC method

Beschreibung

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

Parameter Liste

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.

Rückgabewerte

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.

Beispiele

Example#1 hash_hmac() example

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

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

b8e7ae12510bdfb1812e463a7f086122cf37e4f7

Siehe auch


hash
PHP Manual