$ ctf42

Passkey_Nightmare

Crypto No technique tags yet.
Difficulty Not rated yet

Author: flame

by flame Cryptography Mattermark added passkeys to protect its flag. It only accepts direct attestation from authenticators signed by a private certification authority, so creating your own credential should be impossible.

The frontend source code is attached. Find a way to become trusted and register a passkey that the service will accept.

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