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This repo contains code to study CWTs. We use `serde_cbor` for deserializing and follow the [CWT](https://tools.ietf.org/html/rfc8392#page-5) specification.
We check our implementation with the samples from the RFC and also parse the example data found [here](https://github.com/eu-digital-green-certificates/dgc-testdata). Sadly, currently the CWT on the `dgc-testdata``README` uses a SHA1 algorithm, which we won't support and should not be supported according to the (Digital Green Certificates outline)[https://ec.europa.eu/health/sites/health/files/ehealth/docs/digital-green-certificates_v1_en.pdf] c.f. Section 3.3.2.
We use this implementation for an online hcert viewer and signature verifier for debugging purposes. Further, we use this to generate custom weird and broken hcerts to verify that decoding issues are caught.
