HmacSha1.php 987 Bytes
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<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

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namespace yii\authclient\signature;
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use yii\base\NotSupportedException;

/**
 * HmacSha1 represents 'HMAC-SHA1' signature method.
 *
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 * > **Note:** This class requires PHP "Hash" extension(<http://php.net/manual/en/book.hash.php>).
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 *
 * @author Paul Klimov <klimov.paul@gmail.com>
 * @since 2.0
 */
class HmacSha1 extends BaseMethod
{
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    /**
     * @inheritdoc
     */
    public function init()
    {
        if (!function_exists('hash_hmac')) {
            throw new NotSupportedException('PHP "Hash" extension is required.');
        }
    }
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    /**
     * @inheritdoc
     */
    public function getName()
    {
        return 'HMAC-SHA1';
    }
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    /**
     * @inheritdoc
     */
    public function generateSignature($baseString, $key)
    {
        return base64_encode(hash_hmac('sha1', $baseString, $key, true));
    }
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}