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package keyfile
import (
"github.com/google/go-tpm/tpm2"
"github.com/google/go-tpm/tpm2/transport"
)
// TODO: Do we want a new struct to represent these?
// type LoadableTPMKey struct {
// *LoadableTPMKey
// }
// NewLoadableKey creates a new LoadableKey
func NewLoadableKey(tpm transport.TPMCloser, alg tpm2.TPMAlgID, bits int, ownerauth []byte, fn ...TPMKeyOption) (*TPMKey, error) {
tpmkey, _, err := NewLoadableKeyWithResponse(tpm, alg, bits, ownerauth, fn...)
return tpmkey, err
}
// NewLoadableKeyWithResponse creates a new LoadableKey and returns the tpm2.CreateResponse
func NewLoadableKeyWithResponse(tpm transport.TPMCloser, alg tpm2.TPMAlgID, bits int, ownerauth []byte, fn ...TPMKeyOption) (*TPMKey, *tpm2.CreateResponse, error) {
sess := NewTPMSession(tpm)
key := NewTPMKey(OIDLoadableKey, tpm2.TPM2BPublic{}, tpm2.TPM2BPrivate{}, fn...)
parenthandle, err := GetParentHandle(sess, key.Parent, ownerauth)
if err != nil {
return nil, nil, err
}
defer sess.FlushHandle()
rsp, err := createKeyWithHandle(sess, *parenthandle, alg, bits, ownerauth, key.userAuth)
if err != nil {
return nil, nil, err
}
// Add the remaining options to complete the key
key.AddOptions(
WithPubkey(rsp.OutPublic),
WithPrivkey(rsp.OutPrivate),
)
return key, rsp, nil
}
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