Adds a test for this statement: Per the recommendations of [RFC2104], the HMAC key MUST be the same length as the digest size; for SHA-256, this is 256 bits or 32 bytes.
Features:
a new test for invalid hmac
better naming for the stub generators (previous PRs conflated mock and stub)
Adds a test for this statement: Per the recommendations of [RFC2104], the HMAC key MUST be the same length as the digest size; for SHA-256, this is 256 bits or 32 bytes.
Features: