WebAuthn ruby server library ― Make your application a W3C Web Authentication conformant Relying Party and allow your users to authenticate with FIDO2/U2F authenticators as passkeys or security keys.

Ruby implementation of RFC 8392 CBOR Web Token (CWT)

This gem reads in the data contained in a NZ Covid Pass 2D barcode, confirms the signature and outputs the signed data inside

Verifier and Wallet implementation of OpenID4VP 1.0: DCQL, JAR request objects, client identifier prefixes, direct_post/direct_post.jwt/DC API response modes, encrypted responses and dc+sd-jwt, jwt_vc_json, mso_mdoc, ldp_vc formats.