ITOH

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1. Providing a function which would make it easy to check the signature would be something im not opposed to. 2. I would be against providing any further utilities like...

> Actually, I just realized that we could accept an iterator of (&str, &[u8]), like how http-ratelimiting does it. I'm unsure of whether this would be a reliable option. Eg:...

My initial idea came from [oak](https://github.com/oakserver/oak) where I used it to do eg some measurements.

I don't think that we should implement this. This increases the complexity to work with normal - non partial - structs. I don't think that this is good DX: ```rust...