Merge https://github.com/shimunn/ctap/pull/8 #1
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This patch fixes the usage check in the device detection: - Instead of usage 0x21, we now check for usage 0x01 as mandated by the FIDO2 spec, § 11.2.8.1 [0]. - Instead of using the last usage value in the USB descriptor, which belongs to an endpoint and not to the device, we now use the first (non-zero) value. The descriptor parsing could still be improved, but this should fix compatibility with all compliant FIDO2 devices. This patch also adds a simple list example for listing the detected devices. [0] https://fidoalliance.org/specs/fido-v2.1-ps-20210615/fido-client-to-authenticator-protocol-v2.1-ps-20210615.html#usb-discovery
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see shimunn#8