fukiki opened a new issue #2531: URL: https://github.com/apache/apisix/issues/2531
### Issue description In [hmac-auth.md](https://github.com/apache/apisix/blob/master/doc/plugins/hmac-auth.md) , about generate signature, there should be a more detailed introduction: 1、About `signature = HMAC-SHAx-HEX(secret_key, signing_string)` , list some examples for different language, would be better. 2、The parameter signature should be base64 encoded, for example: base64.b64encode(signature) 3、In headers，the value of "X-HMAC-SIGNED-HEADERS", should be splited by ";", such as: "x-hmac-header-a;x-hmac-header-b" ### Environment * apisix version (cmd: `apisix version`): 1.5 * OS: centos 7 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
