talm
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1// This Source Code Form is subject to the terms of the Mozilla Public
2// License, v. 2.0. If a copy of the MPL was not distributed with this
3// file, You can obtain one at http://mozilla.org/MPL/2.0/.
4
5// Package tpm2 provides TPM2.0 related functionality helpers.
6package tpm2_test
7
8import (
9"testing"
10
11"github.com/google/go-tpm/tpm2"
12"github.com/stretchr/testify/require"
13
14tpm2internal "github.com/aenix-io/talm/internal/pkg/secureboot/tpm2"
15)
16
17func TestCalculatePolicy(t *testing.T) {
18t.Parallel()
19
20policy, err := tpm2internal.CalculatePolicy([]byte{1, 3, 5}, tpm2.TPMLPCRSelection{
21PCRSelections: []tpm2.TPMSPCRSelection{
22{
23Hash: tpm2.TPMAlgSHA256,
24PCRSelect: []byte{10, 11, 12},
25},
26},
27})
28require.NoError(t, err)
29require.Equal(t,
30[]byte{0x84, 0xd6, 0x51, 0x47, 0xb0, 0x53, 0x94, 0xd0, 0xfa, 0xc4, 0x5e, 0x36, 0x0, 0x20, 0x3e, 0x3a, 0x11, 0x1, 0x27, 0xfb, 0xe2, 0x6f, 0xc1, 0xe3, 0x3, 0x3, 0x10, 0x21, 0x33, 0xf9, 0x15, 0xe3},
31policy,
32)
33}
34
35func TestCalculateSealingPolicyDigest(t *testing.T) {
36t.Parallel()
37
38calculated, err := tpm2internal.CalculateSealingPolicyDigest([]byte{1, 3, 5}, tpm2.TPMLPCRSelection{
39PCRSelections: []tpm2.TPMSPCRSelection{
40{
41Hash: tpm2.TPMAlgSHA256,
42PCRSelect: []byte{10, 11, 12},
43},
44},
45}, "testdata/pcr-signing-crt.pem")
46require.NoError(t, err)
47require.Equal(t,
48[]byte{0xa0, 0xf4, 0x29, 0x7a, 0x6c, 0x1a, 0xc8, 0xcf, 0x88, 0x48, 0x8b, 0xcf, 0x63, 0x20, 0xdc, 0x2e, 0x75, 0xc8, 0x2, 0xa1, 0xb4, 0x62, 0x5a, 0xdc, 0x9a, 0xfb, 0x2a, 0x1a, 0x8a, 0xd2, 0xf0, 0x53},
49calculated,
50)
51}
52