Invalid Signature Error when sending an authorization request to quickblox via post xml
问题 I am trying to learn how to use a service called quickblox for my iphone app backend. I have run into a problem when validating my app's connection with the quickblox service though. In order to authorize the connection I need to get a token from quickblox by sending a post request that contains my app id, auth_key, timestamp, a nonce, and a signature. When I send the post request however, the server replies back with status code 422 that my signature is invalid. The signature is made by