webauthn::WebAuthn method verify_rs256_assertion (protected)

 <instance of webauthn::WebAuthn> verify_rs256_assertion \
    [ -cose cose ] [ -sig sig ] [ -signedData signedData ]

Defined in packages/webauthn/tcl/webauthn-procs.tcl

Verify a WebAuthn assertion signature for an RS256 credential. The expected COSE key type is RSA (kty=3) with alg=-257 (RS256), carrying modulus and exponent parameters.

Switches:

-cose (optional)

Parsed COSE_Key dict.

-sig (optional)

Signature returned by the authenticator.

-signedData (optional)

Binary signed data (authenticatorData || hash(clientDataJSON)).

Testcases:

No testcase defined.