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HmacSha.php
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/
HmacSha.php
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<?php
/**
* @link https://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license https://www.yiiframework.com/license/
*/
namespace yii\authclient\signature;
use yii\base\NotSupportedException;
/**
* HmacSha1 represents 'HMAC SHA' signature method.
*
* > **Note:** This class requires PHP "Hash" extension(<https://php.net/manual/en/book.hash.php>).
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.1.3
*/
class HmacSha extends BaseMethod
{
/**
* @var string hash algorithm, e.g. `sha1`, `sha256` and so on.
* @see https://php.net/manual/ru/function.hash-algos.php
*/
public $algorithm;
/**
* {@inheritdoc}
*/
public function init()
{
if (!function_exists('hash_hmac')) {
throw new NotSupportedException('PHP "Hash" extension is required.');
}
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'HMAC-' . strtoupper($this->algorithm);
}
/**
* {@inheritdoc}
*/
public function generateSignature($baseString, $key)
{
return base64_encode(hash_hmac($this->algorithm, $baseString, $key, true));
}
}