Imports github.com/google/go-tpm/tpm2 github.com/google/go-tpm/tpmutil github.com/google/tink/go/keyset github.com/google/tink/go/mac github.com/google/tink/go/tink github.com/hashicorp/vault/api github.com/miekg/pkcs11 Standard library imports bytes crypto/tls crypto/x509 encoding/base64 encoding/json errors fmt io io/ioutil net/http strings sync