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package tpm2test
import (
"testing"
. "github.com/google/go-tpm/tpm2"
"github.com/google/go-tpm/tpm2/transport"
"github.com/google/go-tpm/tpm2/transport/simulator"
)
func getDeriver(t *testing.T, thetpm transport.TPM) NamedHandle {
t.Helper()
cl := CreateLoaded{
ParentHandle: TPMRHOwner,
InPublic: New2BTemplate(
&TPMTPublic{
Type: TPMAlgKeyedHash,
NameAlg: TPMAlgSHA256,
ObjectAttributes: TPMAObject{
SensitiveDataOrigin: true,
UserWithAuth: true,
Decrypt: true,
Restricted: true,
},
Parameters: NewTPMUPublicParms(
TPMAlgKeyedHash,
&TPMSKeyedHashParms{
Scheme: TPMTKeyedHashScheme{
Scheme: TPMAlgXOR,
Details: NewTPMUSchemeKeyedHash(
TPMAlgXOR,
&TPMSSchemeXOR{
HashAlg: TPMAlgSHA256,
KDF: TPMAlgKDF1SP800108,
},
),
},
},
),
}),
}
rsp, err := cl.Execute(thetpm)
if err != nil {
t.Fatalf("could not create derivation parent: %v:", err)
}
return NamedHandle{
Handle: rsp.ObjectHandle,
Name: rsp.Name,
}
}
func TestCreateLoaded(t *testing.T) {
thetpm, err := simulator.OpenSimulator()
if err != nil {
t.Fatalf("could not connect to TPM simulator: %v", err)
}
defer thetpm.Close()
deriver := getDeriver(t, thetpm)
derive := New2B(
TPMSDerive{
Label: TPM2BLabel{
Buffer: []byte("label"),
},
Context: TPM2BLabel{
Buffer: []byte("context"),
},
})
createLoadeds := map[string]*CreateLoaded{
"PrimaryKey": {
ParentHandle: TPMRHEndorsement,
InPublic: New2BTemplate(&ECCEKTemplate),
},
"NoParentPrimaryKey": {
// Make the object in the null hierarchy and ensure that go-tpm supports not providing the parent handle at all.
InPublic: New2BTemplate(&ECCEKTemplate),
},
"OrdinaryKey": {
ParentHandle: TPMRHOwner,
InSensitive: TPM2BSensitiveCreate{
Sensitive: &TPMSSensitiveCreate{
UserAuth: TPM2BAuth{
Buffer: []byte("p@ssw0rd"),
},
},
},
InPublic: New2BTemplate(
&TPMTPublic{
Type: TPMAlgECC,
NameAlg: TPMAlgSHA256,
ObjectAttributes: TPMAObject{
SensitiveDataOrigin: true,
UserWithAuth: true,
SignEncrypt: true,
},
Parameters: NewTPMUPublicParms(
TPMAlgECC,
&TPMSECCParms{
CurveID: TPMECCNistP256,
},
),
}),
},
"DataBlob": {
ParentHandle: TPMRHOwner,
InSensitive: TPM2BSensitiveCreate{
Sensitive: &TPMSSensitiveCreate{
UserAuth: TPM2BAuth{
Buffer: []byte("p@ssw0rd"),
},
Data: NewTPMUSensitiveCreate(&TPM2BSensitiveData{
Buffer: []byte("secrets"),
}),
},
},
InPublic: New2BTemplate(
&TPMTPublic{
Type: TPMAlgKeyedHash,
NameAlg: TPMAlgSHA256,
ObjectAttributes: TPMAObject{
UserWithAuth: true,
},
}),
},
"Derived": {
ParentHandle: deriver,
InSensitive: TPM2BSensitiveCreate{
Sensitive: &TPMSSensitiveCreate{
UserAuth: TPM2BAuth{
Buffer: []byte("p@ssw0rd"),
},
Data: NewTPMUSensitiveCreate(&derive),
},
},
InPublic: New2BTemplate(
&TPMTPublic{
Type: TPMAlgECC,
NameAlg: TPMAlgSHA256,
ObjectAttributes: TPMAObject{
FixedParent: true,
UserWithAuth: true,
SignEncrypt: true,
},
Parameters: NewTPMUPublicParms(
TPMAlgECC,
&TPMSECCParms{
CurveID: TPMECCNistP256,
},
),
}),
},
}
for name, createLoaded := range createLoadeds {
t.Run(name, func(t *testing.T) {
rsp, err := createLoaded.Execute(thetpm)
if err != nil {
t.Fatalf("error from CreateLoaded: %v", err)
}
if _, err = (FlushContext{FlushHandle: rsp.ObjectHandle}).Execute(thetpm); err != nil {
t.Errorf("error from FlushContext: %v", err)
}
})
}
}
|
