3 ms·What about using the $4 rp2040 to make an open source yubikey instead?by synergy20 4y agoWhat about using the $4 rp2040 to make an open source yubikey instead?joshka 4y agoYou'd want some sort of TPM for that to be viable.synergy20 4y agoforgot that key piece indeed, thanks! not sure if there is an external approach(with a separate chip) to add TPM-alike functions though.