> [...] I can't find a Python library for validating the signature. Not even AWS's flagship API client (boto3) has the functionality. I wrote validatesns [1] f

> [...] I can't find a Python library for validating the signature. Not even AWS's flagship API client (boto3) has the functionality. I wrote validatesns [1] for this, give it a try! (Not sure why there's an official PHP validator but not Python...) [1] https://github.com/nathforge/validatesns https://github.com/nathforge/validatesns