Add missing methods for TPM 1.2

Author: hslatman

attest/key_linux.go

@@ -96,3 +96,7 @@ func (k *trousersKey12) attestationParameters() AttestationParameters {
 func (k *trousersKey12) certify(tb tpmBase, handle interface{}, qualifyingData []byte) (*CertificationParameters, error) {
 	return nil, fmt.Errorf("not implemented")
 }
+
+func (k *trousersKey12) blobs() ([]byte, []byte, error) {
+	return nil, nil, errors.New("not implemented")
+}

attest/key_windows.go

@@ -120,6 +120,10 @@ func (k *windowsAK12) certify(tb tpmBase, handle interface{}, qualifyingData []b
 	return nil, fmt.Errorf("not implemented")
 }
 
+func (k *windowsAK12) blobs() ([]byte, []byte, error) {
+	return nil, nil, errors.New("not implemented")
+}
+
 // windowsAK20 represents a key bound to a TPM 2.0.
 type windowsAK20 struct {
 	hnd uintptr

attest/tpm12_linux.go

@@ -136,6 +136,10 @@ func (t *trousersTPM) loadAK(opaqueBlob []byte) (*AK, error) {
 	return &AK{ak: newTrousersKey12(sKey.Blob, sKey.Public)}, nil
 }
 
+func (t *trousersTPM) deleteAK(opaqueBlob []byte) error {
+	return fmt.Errorf("not implemented")
+}
+
 // allPCRs12 returns a map of all the PCR values on the TPM
 func allPCRs12(ctx *tspi.Context) (map[uint32][]byte, error) {
 	tpm := ctx.GetTPM()