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louib / challenge-response

Perform HMAC-SHA1 and OTP challenges with YubiKey, OnlyKey and NitroKey, in pure Rust.
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refactor: use early return when opening device #47

Closed louib closed 2 weeks ago

louib commented 3 weeks ago

This commit cleans up the error handling when opening a device, thus reducing the indentation level of functions that have to open a device.