Support for signature and header verification

invopop / gobl

Go Business Language

Apache License 2.0

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Support for signature and header verification #232

Closed samlown closed 9 months ago

samlown commented 9 months ago

Adds a "Verify" method to the envelope that makes it easier to check an optional list of keys against the signatures used to sign the document.
head.Header now has a "Contains" method that facilitates testing if the current header includes all the fields from the provided header.

samlown commented 9 months ago

The Header "contains" method is a bit bespoke, I was hoping for something more generic, but this felt like the best way for the time being to handle comparisons. I'm surprised we didn't have have this earlier though 😆 🤦