Amazon S3 Expiring Link

I was working on Amazon S3 Cloud HTML5 MP3 Player for S3 Bucket security and Expiring Media links. <?php   if(!function_exists(‘el_crypto_hmacSHA1’)){       /**       * Calculate the HMAC SHA1 hash of a string.       *       * @param string $key The key to hash against       * @param string $data The data to hash       * @param int $blocksize Optional blocksize       * … Read more