I cloned your Github repository and then shamelessly plagiarised the hmacsha256test sketch to make an RFC2202 hmacsha1test, which ran fine and passed all the tests so I appear to have exactly what I was looking for.
I cloned your Github repository and then shamelessly plagiarised the hmacsha256test sketch to make an RFC2202 hmacsha1test, which ran fine and passed all the tests so I appear to have exactly what I was looking for.