Library support for CTAP2_1

[DEX1999]

Our company produces devices that support CTAP2_0 and CTAP2_1 but not CTAP2_1PRE.

Device honestly explicitly tells via authenticatorGetInfo (0x04) command that it supports CTAP2_0 and CTAP2_1 but not CTAP2_1PRE, but when using cred management interface library starts sending 2_1PRE commands (0x41 to be specific).

After looking through the sources we discovered that libfido2 doesnt support CTAP2_1 at all.

So questions are if support of this protocol version is planned and when if it is and why does liblrary tries to send unsupported commands to device?

[LDVG]

Hi,

Thanks for bringing this to our attention. We certainly also want to support authenticators that do not implement FIDO_2_1_PRE functionality and will address this as soon as we are able. I cannot promise any particular time frame at this point though. Patches are welcome.

[LDVG]

Hi @DEX1999,

Would you be able to test #751 with your authenticator?

Thanks in advance.

[DEX1999]

Yep. Everything works.