Version 1.5.0 (2020-09-01)
hid_linux: return FIDO_OK if no devices are found.
hid_osx:
repair communication with U2F tokens, gh#166;
reliability fixes.
fido2-{assert,cred}

Version 1.5.0 (2020-09-01)
hid_linux: return FIDO_OK if no devices are found.
hid_osx:
repair communication with U2F tokens, gh#166;
reliability fixes.
fido2-{assert,cred}: new options to explicitly toggle UP, UV.
Support for configurable report lengths.
New API calls:
fido_cbor_info_maxcredcntlst;
fido_cbor_info_maxcredidlen;
fido_cred_aaguid_len;
fido_cred_aaguid_ptr;
fido_dev_get_touch_begin;
fido_dev_get_touch_status.
Use COSE_ECDH_ES256 with CTAP_CBOR_CLIENT_PIN; gh#154.
Allow CTAP messages up to 2048 bytes; gh#171.
Ensure we only list USB devices by default.
Version 1.4.0 (2020-04-15)
hid_hidapi: hidapi backend; enable with -DUSE_HIDAPI=1.
Fall back to U2F if the key claims to, but does not support FIDO2.
FIDO2 credential protection (credprot) support.
New API calls:
fido_cbor_info_fwversion;
fido_cred_prot;
fido_cred_set_prot;
fido_dev_set_transport_functions;
fido_set_log_handler.
Support for FreeBSD.
Support for C++.
Support for MSYS.
Fixed EdDSA and RSA self-attestation.
Version 1.3.1 (2020-02-19)
fix zero-ing of le1 and le2 when talking to a U2F device.
dropping sk-libfido2 middleware, please find it in the openssh tree.

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Import Yubico's libfido2 from https://github.com/Yubico/libfido2.git