1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #![cfg_attr(not(feature = "std"), no_std)]
18
19 use anyhow::Result;
20 use diced_open_dice::{derive_cdi_leaf_priv, sign, DiceArtifacts};
21 use diced_sample_inputs::make_sample_bcc_and_cdis;
22 use hwtrust::{dice, session::Session};
23
24 const EXPECTED_SAMPLE_CDI_ATTEST: &[u8] = &[
25 0x3e, 0x57, 0x65, 0x5d, 0x48, 0x02, 0xbd, 0x5c, 0x66, 0xcc, 0x1f, 0x0f, 0xbe, 0x5e, 0x32, 0xb6,
26 0x9e, 0x3d, 0x04, 0xaf, 0x00, 0x15, 0xbc, 0xdd, 0x1f, 0xbc, 0x59, 0xe4, 0xc3, 0x87, 0x95, 0x5e,
27 ];
28
29 const EXPECTED_SAMPLE_CDI_SEAL: &[u8] = &[
30 0x36, 0x1b, 0xd2, 0xb3, 0xc4, 0xda, 0x77, 0xb2, 0x9c, 0xba, 0x39, 0x53, 0x82, 0x93, 0xd9, 0xb8,
31 0x9f, 0x73, 0x2d, 0x27, 0x06, 0x15, 0xa8, 0xcb, 0x6d, 0x1d, 0xf2, 0xb1, 0x54, 0xbb, 0x62, 0xf1,
32 ];
33
34 const EXPECTED_SAMPLE_BCC: &[u8] = &[
35 0x84, 0xa5, 0x01, 0x01, 0x03, 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0x3e, 0x85,
36 0xe5, 0x72, 0x75, 0x55, 0xe5, 0x1e, 0xe7, 0xf3, 0x35, 0x94, 0x8e, 0xbb, 0xbd, 0x74, 0x1e, 0x1d,
37 0xca, 0x49, 0x9c, 0x97, 0x39, 0x77, 0x06, 0xd3, 0xc8, 0x6e, 0x8b, 0xd7, 0x33, 0xf9, 0x84, 0x43,
38 0xa1, 0x01, 0x27, 0xa0, 0x59, 0x01, 0x8a, 0xa9, 0x01, 0x78, 0x28, 0x34, 0x32, 0x64, 0x38, 0x38,
39 0x36, 0x34, 0x66, 0x39, 0x37, 0x62, 0x36, 0x35, 0x34, 0x37, 0x61, 0x35, 0x30, 0x63, 0x31, 0x65,
40 0x30, 0x61, 0x37, 0x34, 0x39, 0x66, 0x38, 0x65, 0x66, 0x38, 0x62, 0x38, 0x31, 0x65, 0x63, 0x36,
41 0x32, 0x61, 0x66, 0x02, 0x78, 0x28, 0x31, 0x66, 0x36, 0x39, 0x36, 0x66, 0x30, 0x37, 0x32, 0x35,
42 0x32, 0x66, 0x32, 0x39, 0x65, 0x39, 0x33, 0x66, 0x65, 0x34, 0x64, 0x65, 0x31, 0x39, 0x65, 0x65,
43 0x33, 0x32, 0x63, 0x64, 0x38, 0x31, 0x64, 0x63, 0x34, 0x30, 0x34, 0x65, 0x37, 0x36, 0x3a, 0x00,
44 0x47, 0x44, 0x50, 0x58, 0x40, 0x16, 0x48, 0xf2, 0x55, 0x53, 0x23, 0xdd, 0x15, 0x2e, 0x83, 0x38,
45 0xc3, 0x64, 0x38, 0x63, 0x26, 0x0f, 0xcf, 0x5b, 0xd1, 0x3a, 0xd3, 0x40, 0x3e, 0x23, 0xf8, 0x34,
46 0x4c, 0x6d, 0xa2, 0xbe, 0x25, 0x1c, 0xb0, 0x29, 0xe8, 0xc3, 0xfb, 0xb8, 0x80, 0xdc, 0xb1, 0xd2,
47 0xb3, 0x91, 0x4d, 0xd3, 0xfb, 0x01, 0x0f, 0xe4, 0xe9, 0x46, 0xa2, 0xc0, 0x26, 0x57, 0x5a, 0xba,
48 0x30, 0xf7, 0x15, 0x98, 0x14, 0x3a, 0x00, 0x47, 0x44, 0x53, 0x56, 0xa3, 0x3a, 0x00, 0x01, 0x11,
49 0x71, 0x63, 0x41, 0x42, 0x4c, 0x3a, 0x00, 0x01, 0x11, 0x72, 0x01, 0x3a, 0x00, 0x01, 0x11, 0x73,
50 0xf6, 0x3a, 0x00, 0x47, 0x44, 0x52, 0x58, 0x40, 0x47, 0xae, 0x42, 0x27, 0x4c, 0xcb, 0x65, 0x4d,
51 0xee, 0x74, 0x2d, 0x05, 0x78, 0x2a, 0x08, 0x2a, 0xa5, 0xf0, 0xcf, 0xea, 0x3e, 0x60, 0xee, 0x97,
52 0x11, 0x4b, 0x5b, 0xe6, 0x05, 0x0c, 0xe8, 0x90, 0xf5, 0x22, 0xc4, 0xc6, 0x67, 0x7a, 0x22, 0x27,
53 0x17, 0xb3, 0x79, 0xcc, 0x37, 0x64, 0x5e, 0x19, 0x4f, 0x96, 0x37, 0x67, 0x3c, 0xd0, 0xc5, 0xed,
54 0x0f, 0xdd, 0xe7, 0x2e, 0x4f, 0x70, 0x97, 0x30, 0x3a, 0x00, 0x47, 0x44, 0x54, 0x58, 0x40, 0xf9,
55 0x00, 0x9d, 0xc2, 0x59, 0x09, 0xe0, 0xb6, 0x98, 0xbd, 0xe3, 0x97, 0x4a, 0xcb, 0x3c, 0xe7, 0x6b,
56 0x24, 0xc3, 0xe4, 0x98, 0xdd, 0xa9, 0x6a, 0x41, 0x59, 0x15, 0xb1, 0x23, 0xe6, 0xc8, 0xdf, 0xfb,
57 0x52, 0xb4, 0x52, 0xc1, 0xb9, 0x61, 0xdd, 0xbc, 0x5b, 0x37, 0x0e, 0x12, 0x12, 0xb2, 0xfd, 0xc1,
58 0x09, 0xb0, 0xcf, 0x33, 0x81, 0x4c, 0xc6, 0x29, 0x1b, 0x99, 0xea, 0xae, 0xfd, 0xaa, 0x0d, 0x3a,
59 0x00, 0x47, 0x44, 0x56, 0x41, 0x01, 0x3a, 0x00, 0x47, 0x44, 0x57, 0x58, 0x2d, 0xa5, 0x01, 0x01,
60 0x03, 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0xb1, 0x02, 0xcc, 0x2c, 0xb2, 0x6a,
61 0x3b, 0xe9, 0xc1, 0xd3, 0x95, 0x10, 0xa0, 0xe1, 0xff, 0x51, 0xde, 0x57, 0xd5, 0x65, 0x28, 0xfd,
62 0x7f, 0xeb, 0xd4, 0xca, 0x15, 0xf3, 0xca, 0xdf, 0x37, 0x88, 0x3a, 0x00, 0x47, 0x44, 0x58, 0x41,
63 0x20, 0x58, 0x40, 0x58, 0xd8, 0x03, 0x24, 0x53, 0x60, 0x57, 0xa9, 0x09, 0xfa, 0xab, 0xdc, 0x57,
64 0x1e, 0xf0, 0xe5, 0x1e, 0x51, 0x6f, 0x9e, 0xa3, 0x42, 0xe6, 0x6a, 0x8c, 0xaa, 0xad, 0x08, 0x48,
65 0xde, 0x7f, 0x4f, 0x6e, 0x2f, 0x7f, 0x39, 0x6c, 0xa1, 0xf8, 0x42, 0x71, 0xfe, 0x17, 0x3d, 0xca,
66 0x31, 0x83, 0x92, 0xed, 0xbb, 0x40, 0xb8, 0x10, 0xe0, 0xf2, 0x5a, 0x99, 0x53, 0x38, 0x46, 0x33,
67 0x97, 0x78, 0x05, 0x84, 0x43, 0xa1, 0x01, 0x27, 0xa0, 0x59, 0x01, 0x8a, 0xa9, 0x01, 0x78, 0x28,
68 0x31, 0x66, 0x36, 0x39, 0x36, 0x66, 0x30, 0x37, 0x32, 0x35, 0x32, 0x66, 0x32, 0x39, 0x65, 0x39,
69 0x33, 0x66, 0x65, 0x34, 0x64, 0x65, 0x31, 0x39, 0x65, 0x65, 0x33, 0x32, 0x63, 0x64, 0x38, 0x31,
70 0x64, 0x63, 0x34, 0x30, 0x34, 0x65, 0x37, 0x36, 0x02, 0x78, 0x28, 0x32, 0x35, 0x39, 0x34, 0x38,
71 0x39, 0x65, 0x36, 0x39, 0x37, 0x34, 0x38, 0x37, 0x30, 0x35, 0x64, 0x65, 0x33, 0x65, 0x32, 0x66,
72 0x34, 0x34, 0x32, 0x36, 0x37, 0x65, 0x61, 0x34, 0x39, 0x33, 0x38, 0x66, 0x66, 0x36, 0x61, 0x35,
73 0x37, 0x32, 0x35, 0x3a, 0x00, 0x47, 0x44, 0x50, 0x58, 0x40, 0xa4, 0x0c, 0xcb, 0xc1, 0xbf, 0xfa,
74 0xcc, 0xfd, 0xeb, 0xf4, 0xfc, 0x43, 0x83, 0x7f, 0x46, 0x8d, 0xd8, 0xd8, 0x14, 0xc1, 0x96, 0x14,
75 0x1f, 0x6e, 0xb3, 0xa0, 0xd9, 0x56, 0xb3, 0xbf, 0x2f, 0xfa, 0x88, 0x70, 0x11, 0x07, 0x39, 0xa4,
76 0xd2, 0xa9, 0x6b, 0x18, 0x28, 0xe8, 0x29, 0x20, 0x49, 0x0f, 0xbb, 0x8d, 0x08, 0x8c, 0xc6, 0x54,
77 0xe9, 0x71, 0xd2, 0x7e, 0xa4, 0xfe, 0x58, 0x7f, 0xd3, 0xc7, 0x3a, 0x00, 0x47, 0x44, 0x53, 0x56,
78 0xa3, 0x3a, 0x00, 0x01, 0x11, 0x71, 0x63, 0x41, 0x56, 0x42, 0x3a, 0x00, 0x01, 0x11, 0x72, 0x01,
79 0x3a, 0x00, 0x01, 0x11, 0x73, 0xf6, 0x3a, 0x00, 0x47, 0x44, 0x52, 0x58, 0x40, 0x93, 0x17, 0xe1,
80 0x11, 0x27, 0x59, 0xd0, 0xef, 0x75, 0x0b, 0x2b, 0x1c, 0x0f, 0x5f, 0x52, 0xc3, 0x29, 0x23, 0xb5,
81 0x2a, 0xe6, 0x12, 0x72, 0x6f, 0x39, 0x86, 0x65, 0x2d, 0xf2, 0xe4, 0xe7, 0xd0, 0xaf, 0x0e, 0xa7,
82 0x99, 0x16, 0x89, 0x97, 0x21, 0xf7, 0xdc, 0x89, 0xdc, 0xde, 0xbb, 0x94, 0x88, 0x1f, 0xda, 0xe2,
83 0xf3, 0xe0, 0x54, 0xf9, 0x0e, 0x29, 0xb1, 0xbd, 0xe1, 0x0c, 0x0b, 0xd7, 0xf6, 0x3a, 0x00, 0x47,
84 0x44, 0x54, 0x58, 0x40, 0xb2, 0x69, 0x05, 0x48, 0x56, 0xb5, 0xfa, 0x55, 0x6f, 0xac, 0x56, 0xd9,
85 0x02, 0x35, 0x2b, 0xaa, 0x4c, 0xba, 0x28, 0xdd, 0x82, 0x3a, 0x86, 0xf5, 0xd4, 0xc2, 0xf1, 0xf9,
86 0x35, 0x7d, 0xe4, 0x43, 0x13, 0xbf, 0xfe, 0xd3, 0x36, 0xd8, 0x1c, 0x12, 0x78, 0x5c, 0x9c, 0x3e,
87 0xf6, 0x66, 0xef, 0xab, 0x3d, 0x0f, 0x89, 0xa4, 0x6f, 0xc9, 0x72, 0xee, 0x73, 0x43, 0x02, 0x8a,
88 0xef, 0xbc, 0x05, 0x98, 0x3a, 0x00, 0x47, 0x44, 0x56, 0x41, 0x01, 0x3a, 0x00, 0x47, 0x44, 0x57,
89 0x58, 0x2d, 0xa5, 0x01, 0x01, 0x03, 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0x96,
90 0x6d, 0x96, 0x42, 0xda, 0x64, 0x51, 0xad, 0xfa, 0x00, 0xbc, 0xbc, 0x95, 0x8a, 0xb0, 0xb9, 0x76,
91 0x01, 0xe6, 0xbd, 0xc0, 0x26, 0x79, 0x26, 0xfc, 0x0f, 0x1d, 0x87, 0x65, 0xf1, 0xf3, 0x99, 0x3a,
92 0x00, 0x47, 0x44, 0x58, 0x41, 0x20, 0x58, 0x40, 0x10, 0x7f, 0x77, 0xad, 0x70, 0xbd, 0x52, 0x81,
93 0x28, 0x8d, 0x24, 0x81, 0xb4, 0x3f, 0x21, 0x68, 0x9f, 0xc3, 0x80, 0x68, 0x86, 0x55, 0xfb, 0x2e,
94 0x6d, 0x96, 0xe1, 0xe1, 0xb7, 0x28, 0x8d, 0x63, 0x85, 0xba, 0x2a, 0x01, 0x33, 0x87, 0x60, 0x63,
95 0xbb, 0x16, 0x3f, 0x2f, 0x3d, 0xf4, 0x2d, 0x48, 0x5b, 0x87, 0xed, 0xda, 0x34, 0xeb, 0x9c, 0x4d,
96 0x14, 0xac, 0x65, 0xf4, 0xfa, 0xef, 0x45, 0x0b, 0x84, 0x43, 0xa1, 0x01, 0x27, 0xa0, 0x59, 0x01,
97 0x8f, 0xa9, 0x01, 0x78, 0x28, 0x32, 0x35, 0x39, 0x34, 0x38, 0x39, 0x65, 0x36, 0x39, 0x37, 0x34,
98 0x38, 0x37, 0x30, 0x35, 0x64, 0x65, 0x33, 0x65, 0x32, 0x66, 0x34, 0x34, 0x32, 0x36, 0x37, 0x65,
99 0x61, 0x34, 0x39, 0x33, 0x38, 0x66, 0x66, 0x36, 0x61, 0x35, 0x37, 0x32, 0x35, 0x02, 0x78, 0x28,
100 0x35, 0x64, 0x34, 0x65, 0x64, 0x37, 0x66, 0x34, 0x31, 0x37, 0x61, 0x39, 0x35, 0x34, 0x61, 0x31,
101 0x38, 0x31, 0x34, 0x30, 0x37, 0x62, 0x35, 0x38, 0x38, 0x35, 0x61, 0x66, 0x64, 0x37, 0x32, 0x61,
102 0x35, 0x62, 0x66, 0x34, 0x30, 0x64, 0x61, 0x36, 0x3a, 0x00, 0x47, 0x44, 0x50, 0x58, 0x40, 0x00,
103 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
104 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
105 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
106 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3a,
107 0x00, 0x47, 0x44, 0x53, 0x58, 0x1a, 0xa3, 0x3a, 0x00, 0x01, 0x11, 0x71, 0x67, 0x41, 0x6e, 0x64,
108 0x72, 0x6f, 0x69, 0x64, 0x3a, 0x00, 0x01, 0x11, 0x72, 0x0c, 0x3a, 0x00, 0x01, 0x11, 0x73, 0xf6,
109 0x3a, 0x00, 0x47, 0x44, 0x52, 0x58, 0x40, 0x26, 0x1a, 0xbd, 0x26, 0xd8, 0x37, 0x8f, 0x4a, 0xf2,
110 0x9e, 0x49, 0x4d, 0x93, 0x23, 0xc4, 0x6e, 0x02, 0xda, 0xe0, 0x00, 0x02, 0xe7, 0xed, 0x29, 0xdf,
111 0x2b, 0xb3, 0x69, 0xf3, 0x55, 0x0e, 0x4c, 0x22, 0xdc, 0xcf, 0xf5, 0x92, 0xc9, 0xfa, 0x78, 0x98,
112 0xf1, 0x0e, 0x55, 0x5f, 0xf4, 0x45, 0xed, 0xc0, 0x0a, 0x72, 0x2a, 0x7a, 0x3a, 0xd2, 0xb1, 0xf7,
113 0x76, 0xfe, 0x2a, 0x6b, 0x7b, 0x2a, 0x53, 0x3a, 0x00, 0x47, 0x44, 0x54, 0x58, 0x40, 0x04, 0x25,
114 0x5d, 0x60, 0x5f, 0x5c, 0x45, 0x0d, 0xf2, 0x9a, 0x6e, 0x99, 0x30, 0x03, 0xb8, 0xd6, 0xe1, 0x99,
115 0x71, 0x1b, 0xf8, 0x44, 0xfa, 0xb5, 0x31, 0x79, 0x1c, 0x37, 0x68, 0x4e, 0x1d, 0xc0, 0x24, 0x74,
116 0x68, 0xf8, 0x80, 0x20, 0x3e, 0x44, 0xb1, 0x43, 0xd2, 0x9c, 0xfc, 0x12, 0x9e, 0x77, 0x0a, 0xde,
117 0x29, 0x24, 0xff, 0x2e, 0xfa, 0xc7, 0x10, 0xd5, 0x73, 0xd4, 0xc6, 0xdf, 0x62, 0x9f, 0x3a, 0x00,
118 0x47, 0x44, 0x56, 0x41, 0x01, 0x3a, 0x00, 0x47, 0x44, 0x57, 0x58, 0x2d, 0xa5, 0x01, 0x01, 0x03,
119 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0xdb, 0xe7, 0x5b, 0x3f, 0xa3, 0x42, 0xb0,
120 0x9c, 0xf8, 0x40, 0x8c, 0xb0, 0x9c, 0xf0, 0x0a, 0xaf, 0xdf, 0x6f, 0xe5, 0x09, 0x21, 0x11, 0x92,
121 0xe1, 0xf8, 0xc5, 0x09, 0x02, 0x3d, 0x1f, 0xb7, 0xc5, 0x3a, 0x00, 0x47, 0x44, 0x58, 0x41, 0x20,
122 0x58, 0x40, 0xc4, 0xc1, 0xd7, 0x1c, 0x2d, 0x26, 0x89, 0x22, 0xcf, 0xa6, 0x99, 0x77, 0x30, 0x84,
123 0x86, 0x27, 0x59, 0x8f, 0xd8, 0x08, 0x75, 0xe0, 0xb2, 0xef, 0xf9, 0xfa, 0xa5, 0x40, 0x8c, 0xd3,
124 0xeb, 0xbb, 0xda, 0xf2, 0xc8, 0xae, 0x41, 0x22, 0x50, 0x9c, 0xe8, 0xb2, 0x9c, 0x9b, 0x3f, 0x8a,
125 0x78, 0x76, 0xab, 0xd0, 0xbe, 0xfc, 0xe4, 0x79, 0xcb, 0x1b, 0x2b, 0xaa, 0x4d, 0xdd, 0x15, 0x61,
126 0x42, 0x06,
127 ];
128 const MESSAGE: &[u8] = b"Message for testing";
129
130 #[test]
sample_bcc_and_cdis_are_as_expected()131 fn sample_bcc_and_cdis_are_as_expected() {
132 let dice_artifacts = make_sample_bcc_and_cdis().unwrap();
133 assert_eq!(dice_artifacts.cdi_attest(), EXPECTED_SAMPLE_CDI_ATTEST);
134 assert_eq!(dice_artifacts.cdi_seal(), EXPECTED_SAMPLE_CDI_SEAL);
135 assert_eq!(dice_artifacts.bcc(), Some(EXPECTED_SAMPLE_BCC));
136 }
137
138 #[test]
cdi_leaf_priv_corresponds_to_leaf_public_key_in_dice_chain() -> Result<()>139 fn cdi_leaf_priv_corresponds_to_leaf_public_key_in_dice_chain() -> Result<()> {
140 let dice_artifacts = make_sample_bcc_and_cdis().unwrap();
141 let private_key = derive_cdi_leaf_priv(&dice_artifacts).unwrap();
142 let signature = sign(MESSAGE, private_key.as_array()).unwrap();
143
144 let session = Session::default();
145 let chain = dice::Chain::from_cbor(&session, dice_artifacts.bcc().unwrap())?;
146 let public_key = chain.leaf().subject_public_key();
147 public_key.verify(&signature, MESSAGE)
148 }
149