Module sigv2 

AWS Signature Version 2 verification.

SigV2 is an older signing mechanism that uses HMAC-SHA1. The Authorization header has the format:

AWS <AWSAccessKeyId>:<Signature>

Where Signature = Base64(HMAC-SHA1(SecretKey, StringToSign)) and:

StringToSign = HTTP-Verb + "\n" +
               Content-MD5 + "\n" +
               Content-Type + "\n" +
               Date + "\n" +
               CanonicalizedAmzHeaders +
               CanonicalizedResource

Functions

is_sigv2

Check whether the Authorization header uses SigV2 format (AWS AKID:sig).

verify_sigv2

Verify an AWS SigV2-signed HTTP request.