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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 ] )

Список параметров

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.

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_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






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