* remove lib/client dependency on lib/devicetrust/authn
* add cgo depguard
* fix typo
Co-authored-by: Alan Parra <alan.parra@goteleport.com>
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Co-authored-by: Alan Parra <alan.parra@goteleport.com>
* Device Trust support for split SSH and TLS keys
* chalResp -> tpmChallenge
* clarify comment on sha256 import
* use input struct, crypto.Signer instead of keys.PrivateKey
* use trace errors in challenge package