Steven Valdez | 0b710a3 | 2020-02-14 10:34:53 -0500 | [diff] [blame] | 1 | /* Copyright (c) 2020, Google Inc. |
| 2 | * |
| 3 | * Permission to use, copy, modify, and/or distribute this software for any |
| 4 | * purpose with or without fee is hereby granted, provided that the above |
| 5 | * copyright notice and this permission notice appear in all copies. |
| 6 | * |
| 7 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 8 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 10 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 12 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 13 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| 14 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 15 | #include <stdio.h> |
| 16 | #include <string.h> |
| 17 | #include <time.h> |
| 18 | |
| 19 | #include <algorithm> |
| 20 | #include <limits> |
| 21 | #include <string> |
| 22 | #include <tuple> |
| 23 | #include <utility> |
| 24 | #include <vector> |
| 25 | |
Steven Valdez | 0b710a3 | 2020-02-14 10:34:53 -0500 | [diff] [blame] | 26 | #include <gtest/gtest.h> |
| 27 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 28 | #include <openssl/bytestring.h> |
| 29 | #include <openssl/curve25519.h> |
| 30 | #include <openssl/evp.h> |
| 31 | #include <openssl/mem.h> |
| 32 | #include <openssl/rand.h> |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 33 | #include <openssl/sha.h> |
Steven Valdez | 0b710a3 | 2020-02-14 10:34:53 -0500 | [diff] [blame] | 34 | #include <openssl/trust_token.h> |
| 35 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 36 | #include "../ec_extra/internal.h" |
| 37 | #include "../fipsmodule/ec/internal.h" |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 38 | #include "../internal.h" |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 39 | #include "../test/test_util.h" |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 40 | #include "internal.h" |
| 41 | |
| 42 | |
| 43 | BSSL_NAMESPACE_BEGIN |
| 44 | |
| 45 | namespace { |
Steven Valdez | 0b710a3 | 2020-02-14 10:34:53 -0500 | [diff] [blame] | 46 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 47 | TEST(TrustTokenTest, KeyGenExp1) { |
| 48 | uint8_t priv_key[TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE]; |
| 49 | uint8_t pub_key[TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE]; |
| 50 | size_t priv_key_len, pub_key_len; |
| 51 | ASSERT_TRUE(TRUST_TOKEN_generate_key( |
| 52 | TRUST_TOKEN_experiment_v1(), priv_key, &priv_key_len, |
| 53 | TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, pub_key, &pub_key_len, |
| 54 | TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, 0x0001)); |
| 55 | ASSERT_EQ(292u, priv_key_len); |
| 56 | ASSERT_EQ(301u, pub_key_len); |
Steven Valdez | aa5f601 | 2022-06-14 11:16:02 -0400 | [diff] [blame] | 57 | |
| 58 | const uint8_t kKeygenSecret[] = "SEED"; |
| 59 | ASSERT_TRUE(TRUST_TOKEN_derive_key_from_secret( |
| 60 | TRUST_TOKEN_experiment_v1(), priv_key, &priv_key_len, |
| 61 | TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, pub_key, &pub_key_len, |
| 62 | TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, 0x0001, kKeygenSecret, |
| 63 | sizeof(kKeygenSecret) - 1)); |
| 64 | |
| 65 | const uint8_t kExpectedPriv[] = { |
| 66 | 0x00, 0x00, 0x00, 0x01, 0x98, 0xaa, 0x32, 0xfc, 0x5f, 0x83, 0x35, 0xea, |
| 67 | 0x57, 0x4f, 0x9e, 0x61, 0x48, 0x6e, 0x89, 0x9d, 0x3d, 0xaa, 0x38, 0x5d, |
| 68 | 0xd0, 0x06, 0x96, 0x62, 0xe8, 0x0b, 0xd6, 0x5f, 0x12, 0xa4, 0xcc, 0xa9, |
| 69 | 0xb5, 0x20, 0x1b, 0x13, 0x8c, 0x1c, 0xaf, 0x36, 0x1b, 0xab, 0x0c, 0xc6, |
| 70 | 0xac, 0x38, 0xae, 0x96, 0x3d, 0x14, 0x9d, 0xb8, 0x8d, 0xf4, 0x7f, 0xe2, |
| 71 | 0x7d, 0xeb, 0x17, 0xc2, 0xbc, 0x63, 0x42, 0x93, 0x94, 0xe4, 0x97, 0xbf, |
| 72 | 0x97, 0xea, 0x02, 0x40, 0xac, 0xb6, 0xa5, 0x03, 0x4c, 0x6b, 0x4c, 0xb8, |
| 73 | 0x8c, 0xf4, 0x66, 0x1b, 0x4e, 0x02, 0x45, 0xf9, 0xcd, 0xb6, 0x0f, 0x59, |
| 74 | 0x09, 0x21, 0x03, 0x7e, 0x92, 0x1f, 0x3f, 0x40, 0x83, 0x50, 0xe3, 0xdc, |
| 75 | 0x9e, 0x6f, 0x65, 0xc5, 0xbd, 0x2c, 0x7d, 0xab, 0x74, 0x49, 0xc8, 0xa2, |
| 76 | 0x3c, 0xab, 0xcb, 0x4d, 0x63, 0x73, 0x81, 0x2b, 0xb2, 0x1e, 0x00, 0x8f, |
| 77 | 0x00, 0xb8, 0xd8, 0xb4, 0x5d, 0xc4, 0x3f, 0x3d, 0xa8, 0x4f, 0x4c, 0x72, |
| 78 | 0x0e, 0x20, 0x17, 0x4b, 0xac, 0x14, 0x8f, 0xb2, 0xa5, 0x20, 0x41, 0x2b, |
| 79 | 0xf7, 0x62, 0x25, 0x6a, 0xd6, 0x41, 0x26, 0x62, 0x10, 0xc1, 0xbc, 0x42, |
| 80 | 0xac, 0x54, 0x1b, 0x75, 0x05, 0xd6, 0x53, 0xb1, 0x7b, 0x84, 0x6a, 0x7b, |
| 81 | 0x5b, 0x2a, 0x34, 0x6e, 0x43, 0x4b, 0x43, 0xcc, 0x6c, 0xdb, 0x1d, 0x02, |
| 82 | 0x34, 0x7f, 0xd1, 0xe8, 0xfd, 0x42, 0x2c, 0xd9, 0x14, 0xdb, 0xd6, 0xf4, |
| 83 | 0xad, 0xb5, 0xe4, 0xac, 0xdd, 0x7e, 0xb5, 0x4c, 0x3f, 0x59, 0x24, 0xfa, |
| 84 | 0x04, 0xd9, 0xb6, 0xd2, 0xb7, 0x7d, 0xf1, 0xfa, 0x13, 0xc0, 0x4d, 0xd5, |
| 85 | 0xca, 0x3a, 0x4e, 0xa8, 0xdd, 0xa9, 0xfc, 0xcb, 0x06, 0xb2, 0xde, 0x4b, |
| 86 | 0x2a, 0x86, 0xbb, 0x0d, 0x41, 0xb6, 0x3d, 0xfb, 0x49, 0xc8, 0xdf, 0x9a, |
| 87 | 0x48, 0xe5, 0x68, 0x8a, 0xfc, 0x86, 0x9c, 0x79, 0x5a, 0x79, 0xc1, 0x09, |
| 88 | 0x33, 0x53, 0xdc, 0x3d, 0xe9, 0x93, 0x7c, 0x5b, 0x72, 0xf7, 0xa0, 0x8a, |
| 89 | 0x1f, 0x07, 0x6c, 0x38, 0x3c, 0x99, 0x0b, 0xe4, 0x4e, 0xa4, 0xbd, 0x41, |
| 90 | 0x1f, 0x83, 0xa6, 0xd3 |
| 91 | }; |
| 92 | ASSERT_EQ(Bytes(kExpectedPriv, sizeof(kExpectedPriv)), |
| 93 | Bytes(priv_key, priv_key_len)); |
| 94 | |
| 95 | const uint8_t kExpectedPub[] = { |
| 96 | 0x00, 0x00, 0x00, 0x01, 0x00, 0x61, 0x04, 0x5e, 0x06, 0x6b, 0x7b, 0xfd, |
| 97 | 0x54, 0x01, 0xe0, 0xd2, 0xb5, 0x12, 0xce, 0x48, 0x16, 0x66, 0xb2, 0xdf, |
| 98 | 0xfd, 0xa8, 0x38, 0x7c, 0x1f, 0x45, 0x1a, 0xb8, 0x21, 0x52, 0x17, 0x25, |
| 99 | 0xbb, 0x0b, 0x00, 0xd4, 0xa1, 0xbc, 0x28, 0xd9, 0x08, 0x36, 0x98, 0xb2, |
| 100 | 0x17, 0xd3, 0xb5, 0xad, 0xb6, 0x4e, 0x03, 0x5f, 0xd3, 0x66, 0x2c, 0x58, |
| 101 | 0x1c, 0xcc, 0xc6, 0x23, 0xa4, 0xf9, 0xa2, 0x7e, 0xb0, 0xe4, 0xd3, 0x95, |
| 102 | 0x41, 0x6f, 0xba, 0x23, 0x4a, 0x82, 0x93, 0x29, 0x73, 0x75, 0x38, 0x85, |
| 103 | 0x64, 0x9c, 0xaa, 0x12, 0x6d, 0x7d, 0xcd, 0x52, 0x02, 0x91, 0x9f, 0xa9, |
| 104 | 0xee, 0x4b, 0xfd, 0x68, 0x97, 0x40, 0xdc, 0x00, 0x61, 0x04, 0x14, 0x16, |
| 105 | 0x39, 0xf9, 0x63, 0x66, 0x94, 0x03, 0xfa, 0x0b, 0xbf, 0xca, 0x5a, 0x39, |
| 106 | 0x9f, 0x27, 0x5b, 0x3f, 0x69, 0x7a, 0xc9, 0xf7, 0x25, 0x7c, 0x84, 0x9e, |
| 107 | 0x1d, 0x61, 0x5a, 0x24, 0x53, 0xf2, 0x4a, 0x9d, 0xe9, 0x05, 0x53, 0xfd, |
| 108 | 0x12, 0x01, 0x2d, 0x9a, 0x69, 0x50, 0x74, 0x82, 0xa3, 0x45, 0x73, 0xdc, |
| 109 | 0x34, 0x36, 0x31, 0x44, 0x07, 0x0c, 0xda, 0x13, 0xbe, 0x94, 0x37, 0x65, |
| 110 | 0xa0, 0xab, 0x16, 0x52, 0x90, 0xe5, 0x8a, 0x03, 0xe5, 0x98, 0x79, 0x14, |
| 111 | 0x79, 0xd5, 0x17, 0xee, 0xd4, 0xb8, 0xda, 0x77, 0x76, 0x03, 0x20, 0x2a, |
| 112 | 0x7e, 0x3b, 0x76, 0x0b, 0x23, 0xb7, 0x72, 0x77, 0xb2, 0xeb, 0x00, 0x61, |
| 113 | 0x04, 0x68, 0x18, 0x4d, 0x23, 0x23, 0xf4, 0x45, 0xb8, 0x81, 0x0d, 0xa4, |
| 114 | 0x5d, 0x0b, 0x9e, 0x08, 0xfb, 0x45, 0xfb, 0x96, 0x29, 0x43, 0x2f, 0xab, |
| 115 | 0x93, 0x04, 0x4c, 0x04, 0xb6, 0x5e, 0x27, 0xf5, 0x39, 0x66, 0x94, 0x15, |
| 116 | 0x1d, 0xb1, 0x1c, 0x7c, 0x27, 0x6f, 0xa5, 0x19, 0x0c, 0x30, 0x12, 0xcc, |
| 117 | 0x77, 0x7f, 0x10, 0xa9, 0x7c, 0xe4, 0x08, 0x77, 0x3c, 0xd3, 0x6f, 0xa4, |
| 118 | 0xf4, 0xaf, 0xf1, 0x9d, 0x14, 0x1d, 0xd0, 0x02, 0x33, 0x50, 0x55, 0x00, |
| 119 | 0x6a, 0x47, 0x96, 0xe1, 0x8b, 0x4e, 0x44, 0x41, 0xad, 0xb3, 0xea, 0x0d, |
| 120 | 0x0d, 0xd5, 0x73, 0x8e, 0x62, 0x67, 0x8a, 0xb4, 0xe7, 0x5d, 0x17, 0xa9, |
| 121 | 0x24}; |
| 122 | ASSERT_EQ(Bytes(kExpectedPub, sizeof(kExpectedPub)), |
| 123 | Bytes(pub_key, pub_key_len)); |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 124 | } |
| 125 | |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 126 | TEST(TrustTokenTest, KeyGenExp2VOPRF) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 127 | uint8_t priv_key[TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE]; |
| 128 | uint8_t pub_key[TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE]; |
| 129 | size_t priv_key_len, pub_key_len; |
| 130 | ASSERT_TRUE(TRUST_TOKEN_generate_key( |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 131 | TRUST_TOKEN_experiment_v2_voprf(), priv_key, &priv_key_len, |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 132 | TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, pub_key, &pub_key_len, |
| 133 | TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, 0x0001)); |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 134 | ASSERT_EQ(52u, priv_key_len); |
| 135 | ASSERT_EQ(101u, pub_key_len); |
Steven Valdez | aa5f601 | 2022-06-14 11:16:02 -0400 | [diff] [blame] | 136 | |
| 137 | const uint8_t kKeygenSecret[] = "SEED"; |
| 138 | ASSERT_TRUE(TRUST_TOKEN_derive_key_from_secret( |
| 139 | TRUST_TOKEN_experiment_v2_voprf(), priv_key, &priv_key_len, |
| 140 | TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, pub_key, &pub_key_len, |
| 141 | TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, 0x0001, kKeygenSecret, |
| 142 | sizeof(kKeygenSecret) - 1)); |
| 143 | |
| 144 | const uint8_t kExpectedPriv[] = { |
| 145 | 0x00, 0x00, 0x00, 0x01, 0x0b, 0xe2, 0xc4, 0x73, 0x92, 0xe7, 0xf8, |
| 146 | 0x3e, 0xba, 0xab, 0x85, 0xa7, 0x77, 0xd7, 0x0a, 0x02, 0xc5, 0x36, |
| 147 | 0xfe, 0x62, 0xa3, 0xca, 0x01, 0x75, 0xc7, 0x62, 0x19, 0xc7, 0xf0, |
| 148 | 0x30, 0xc5, 0x14, 0x60, 0x13, 0x97, 0x4f, 0x63, 0x05, 0x37, 0x92, |
| 149 | 0x7b, 0x76, 0x8e, 0x9f, 0xd0, 0x1a, 0x74, 0x44 |
| 150 | }; |
| 151 | ASSERT_EQ(Bytes(kExpectedPriv, sizeof(kExpectedPriv)), |
| 152 | Bytes(priv_key, priv_key_len)); |
| 153 | |
| 154 | const uint8_t kExpectedPub[] = { |
| 155 | 0x00, 0x00, 0x00, 0x01, 0x04, 0x2c, 0x9c, 0x11, 0xc1, 0xe5, 0x52, 0x59, |
| 156 | 0x0b, 0x6d, 0x88, 0x8b, 0x6e, 0x28, 0xe8, 0xc5, 0xa3, 0xbe, 0x48, 0x18, |
| 157 | 0xf7, 0x1d, 0x31, 0xcf, 0xa2, 0x6e, 0x2a, 0xd6, 0xcb, 0x83, 0x26, 0x04, |
| 158 | 0xbd, 0x93, 0x67, 0xe4, 0x53, 0xf6, 0x11, 0x7d, 0x45, 0xe9, 0xfe, 0x27, |
| 159 | 0x33, 0x90, 0xdb, 0x1b, 0xfc, 0x9b, 0x31, 0x4d, 0x39, 0x1f, 0x1f, 0x8c, |
| 160 | 0x43, 0x06, 0x70, 0x2c, 0x84, 0xdc, 0x23, 0x18, 0xc7, 0x6a, 0x58, 0xcf, |
| 161 | 0x9e, 0xc1, 0xfa, 0xf2, 0x30, 0xdd, 0xad, 0x62, 0x24, 0xde, 0x11, 0xc1, |
| 162 | 0xba, 0x8d, 0xc3, 0x4f, 0xfb, 0xe5, 0xa5, 0xd4, 0x37, 0xba, 0x3b, 0x70, |
| 163 | 0xc0, 0xc3, 0xef, 0x20, 0x43 |
| 164 | }; |
| 165 | ASSERT_EQ(Bytes(kExpectedPub, sizeof(kExpectedPub)), |
| 166 | Bytes(pub_key, pub_key_len)); |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | TEST(TrustTokenTest, KeyGenExp2PMB) { |
| 170 | uint8_t priv_key[TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE]; |
| 171 | uint8_t pub_key[TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE]; |
| 172 | size_t priv_key_len, pub_key_len; |
| 173 | ASSERT_TRUE(TRUST_TOKEN_generate_key( |
| 174 | TRUST_TOKEN_experiment_v2_pmb(), priv_key, &priv_key_len, |
| 175 | TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, pub_key, &pub_key_len, |
| 176 | TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, 0x0001)); |
| 177 | ASSERT_EQ(292u, priv_key_len); |
| 178 | ASSERT_EQ(295u, pub_key_len); |
Steven Valdez | aa5f601 | 2022-06-14 11:16:02 -0400 | [diff] [blame] | 179 | |
| 180 | const uint8_t kKeygenSecret[] = "SEED"; |
| 181 | ASSERT_TRUE(TRUST_TOKEN_derive_key_from_secret( |
| 182 | TRUST_TOKEN_experiment_v2_pmb(), priv_key, &priv_key_len, |
| 183 | TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, pub_key, &pub_key_len, |
| 184 | TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, 0x0001, kKeygenSecret, |
| 185 | sizeof(kKeygenSecret) - 1)); |
| 186 | |
| 187 | const uint8_t kExpectedPriv[] = { |
| 188 | 0x00, 0x00, 0x00, 0x01, 0x1b, 0x74, 0xdc, 0xf0, 0xa9, 0xa7, 0x6c, 0xfb, |
| 189 | 0x41, 0xef, 0xfa, 0x65, 0x52, 0xc9, 0x86, 0x4e, 0xfb, 0x16, 0x9d, 0xea, |
| 190 | 0x62, 0x3f, 0x47, 0xab, 0x1f, 0x1b, 0x05, 0xf2, 0x4f, 0x05, 0xfe, 0x64, |
| 191 | 0xb7, 0xe8, 0xcd, 0x2a, 0x10, 0xfa, 0xa2, 0x48, 0x3f, 0x0e, 0x8b, 0x94, |
| 192 | 0x39, 0xf1, 0xe7, 0x53, 0xe9, 0x50, 0x29, 0xe2, 0xb7, 0x0e, 0xc0, 0x94, |
| 193 | 0xa9, 0xd3, 0xef, 0x64, 0x10, 0x1d, 0x08, 0xd0, 0x60, 0xcb, 0x6d, 0x97, |
| 194 | 0x68, 0xc7, 0x04, 0x92, 0x07, 0xb2, 0x22, 0x83, 0xf7, 0xd9, 0x9b, 0x2c, |
| 195 | 0xf2, 0x52, 0x34, 0x0c, 0x42, 0x31, 0x47, 0x41, 0x19, 0xb9, 0xee, 0xfc, |
| 196 | 0x46, 0xbd, 0x14, 0xce, 0x42, 0xd7, 0x43, 0xc8, 0x32, 0x3b, 0x24, 0xed, |
| 197 | 0xdc, 0x69, 0xa3, 0x8e, 0x29, 0x01, 0xbe, 0xae, 0x24, 0x39, 0x14, 0xa7, |
| 198 | 0x52, 0xe5, 0xd5, 0xff, 0x9a, 0xc4, 0x15, 0x79, 0x29, 0x4c, 0x9b, 0x4e, |
| 199 | 0xfc, 0x61, 0xf2, 0x12, 0x6f, 0x4f, 0xd3, 0x96, 0x28, 0xb0, 0x79, 0xf0, |
| 200 | 0x4e, 0x6e, 0x7d, 0x56, 0x19, 0x1b, 0xc2, 0xd7, 0xf9, 0x3a, 0x58, 0x06, |
| 201 | 0xe5, 0xec, 0xa4, 0x33, 0x14, 0x1c, 0x78, 0x0c, 0x83, 0x94, 0x34, 0x22, |
| 202 | 0x5a, 0x8e, 0x2e, 0xa1, 0x72, 0x4a, 0x03, 0x35, 0xfe, 0x46, 0x92, 0x41, |
| 203 | 0x6b, 0xe6, 0x4b, 0x3f, 0xf0, 0xe7, 0x0b, 0xb5, 0xf3, 0x66, 0x6c, 0xc6, |
| 204 | 0x14, 0xcf, 0xce, 0x32, 0x0a, 0x2c, 0x28, 0xba, 0x4e, 0xb9, 0x75, 0x4a, |
| 205 | 0xa9, 0x2d, 0xb0, 0x8c, 0xd0, 0x62, 0x52, 0x29, 0x1f, 0x12, 0xfd, 0xfb, |
| 206 | 0xd3, 0x2a, 0x36, 0x0f, 0x89, 0x32, 0x86, 0x25, 0x56, 0xb9, 0xe7, 0x3c, |
| 207 | 0xeb, 0xb4, 0x84, 0x41, 0x2b, 0xa8, 0xf3, 0xa5, 0x3d, 0xfe, 0x56, 0x94, |
| 208 | 0x5b, 0x74, 0xb3, 0x5b, 0x27, 0x3f, 0xe7, 0xcf, 0xe4, 0xf8, 0x15, 0x95, |
| 209 | 0x2a, 0xd2, 0x5f, 0x92, 0xb4, 0x6a, 0x89, 0xa5, 0x54, 0xbd, 0x27, 0x5e, |
| 210 | 0xeb, 0x43, 0x07, 0x9b, 0x2b, 0x8b, 0x22, 0x59, 0x13, 0x4b, 0x9c, 0x56, |
| 211 | 0xd8, 0x63, 0xd9, 0xe6, 0x85, 0x15, 0x2c, 0x82, 0x52, 0x40, 0x8f, 0xb1, |
| 212 | 0xe7, 0x56, 0x07, 0x98 |
| 213 | }; |
| 214 | ASSERT_EQ(Bytes(kExpectedPriv, sizeof(kExpectedPriv)), |
| 215 | Bytes(priv_key, priv_key_len)); |
| 216 | |
| 217 | const uint8_t kExpectedPub[] = { |
| 218 | 0x00, 0x00, 0x00, 0x01, 0x04, 0x48, 0xb1, 0x2d, 0xdd, 0x03, 0x32, 0xeb, |
| 219 | 0x93, 0x31, 0x3d, 0x59, 0x74, 0xf0, 0xcf, 0xaa, 0xa5, 0x39, 0x5f, 0x53, |
| 220 | 0xc4, 0x94, 0x98, 0xbe, 0x8f, 0x22, 0xd7, 0x30, 0xde, 0x1e, 0xb4, 0xf3, |
| 221 | 0x32, 0x23, 0x90, 0x0b, 0xa6, 0x37, 0x4a, 0x4b, 0x44, 0xb3, 0x26, 0x52, |
| 222 | 0x93, 0x7b, 0x4b, 0xa4, 0x79, 0xe8, 0x77, 0x6a, 0x19, 0x81, 0x2a, 0xdd, |
| 223 | 0x91, 0xfb, 0x90, 0x8b, 0x24, 0xb5, 0xbe, 0x20, 0x2e, 0xe8, 0xbc, 0xd3, |
| 224 | 0x83, 0x6c, 0xa8, 0xc5, 0xa1, 0x9a, 0x5b, 0x5e, 0x60, 0xda, 0x45, 0x2e, |
| 225 | 0x31, 0x7f, 0x54, 0x0e, 0x14, 0x40, 0xd2, 0x4d, 0x40, 0x2e, 0x21, 0x79, |
| 226 | 0xfc, 0x77, 0xdd, 0xc7, 0x2d, 0x04, 0xfe, 0xc6, 0xe3, 0xcf, 0x99, 0xef, |
| 227 | 0x88, 0xab, 0x76, 0x86, 0x16, 0x14, 0xed, 0x72, 0x35, 0xa7, 0x05, 0x13, |
| 228 | 0x9f, 0x2c, 0x53, 0xd5, 0xdf, 0x66, 0x75, 0x2e, 0x68, 0xdc, 0xd4, 0xc4, |
| 229 | 0x00, 0x36, 0x08, 0x6d, 0xb7, 0x15, 0xf7, 0xe5, 0x32, 0x59, 0x81, 0x16, |
| 230 | 0x57, 0xaa, 0x72, 0x06, 0xf0, 0xad, 0xd1, 0x85, 0xa0, 0x04, 0xd4, 0x11, |
| 231 | 0x95, 0x1d, 0xac, 0x0b, 0x25, 0xbe, 0x59, 0xa2, 0xb3, 0x30, 0xee, 0x97, |
| 232 | 0x07, 0x2a, 0x51, 0x15, 0xc1, 0x8d, 0xa8, 0xa6, 0x57, 0x9a, 0x4e, 0xbf, |
| 233 | 0xd7, 0x2d, 0x35, 0x07, 0x6b, 0xd6, 0xc9, 0x3c, 0xe4, 0xcf, 0x0b, 0x14, |
| 234 | 0x3e, 0x10, 0x51, 0x77, 0xd6, 0x84, 0x04, 0xbe, 0xd1, 0xd5, 0xa8, 0xf3, |
| 235 | 0x9d, 0x1d, 0x4f, 0xc1, 0xc9, 0xf1, 0x0c, 0x6d, 0xb6, 0xcb, 0xe2, 0x05, |
| 236 | 0x0b, 0x9c, 0x7a, 0x3a, 0x9a, 0x99, 0xe9, 0xa1, 0x93, 0xdc, 0x72, 0x2e, |
| 237 | 0xef, 0xf3, 0x8d, 0xb9, 0x7b, 0xb0, 0x19, 0x24, 0x95, 0x0d, 0x68, 0xa7, |
| 238 | 0xe0, 0xaa, 0x0b, 0xb1, 0xd1, 0xcc, 0x52, 0x14, 0xf9, 0x6c, 0x91, 0x59, |
| 239 | 0xe4, 0xe1, 0x9b, 0xf9, 0x12, 0x39, 0xb1, 0x79, 0xbb, 0x21, 0x92, 0x00, |
| 240 | 0xa4, 0x89, 0xf5, 0xbd, 0xd7, 0x89, 0x27, 0x40, 0xdc, 0xb1, 0x09, 0x38, |
| 241 | 0x63, 0x91, 0x8c, 0xa5, 0x27, 0x27, 0x97, 0x39, 0x35, 0xfa, 0x1a, 0x8a, |
| 242 | 0xa7, 0xe5, 0xc4, 0xd8, 0xbf, 0xe7, 0xbe |
| 243 | }; |
| 244 | ASSERT_EQ(Bytes(kExpectedPub, sizeof(kExpectedPub)), |
| 245 | Bytes(pub_key, pub_key_len)); |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 246 | } |
| 247 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 248 | // Test that H in |TRUST_TOKEN_experiment_v1| was computed correctly. |
| 249 | TEST(TrustTokenTest, HExp1) { |
| 250 | const EC_GROUP *group = EC_GROUP_new_by_curve_name(NID_secp384r1); |
| 251 | ASSERT_TRUE(group); |
| 252 | |
| 253 | const uint8_t kHGen[] = "generator"; |
| 254 | const uint8_t kHLabel[] = "PMBTokens Experiment V1 HashH"; |
| 255 | |
David Benjamin | 802523a | 2020-04-22 14:51:20 -0400 | [diff] [blame] | 256 | bssl::UniquePtr<EC_POINT> expected_h(EC_POINT_new(group)); |
| 257 | ASSERT_TRUE(expected_h); |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 258 | ASSERT_TRUE(ec_hash_to_curve_p384_xmd_sha512_sswu_draft07( |
David Benjamin | 802523a | 2020-04-22 14:51:20 -0400 | [diff] [blame] | 259 | group, &expected_h->raw, kHLabel, sizeof(kHLabel), kHGen, sizeof(kHGen))); |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 260 | uint8_t expected_bytes[1 + 2 * EC_MAX_BYTES]; |
| 261 | size_t expected_len = |
David Benjamin | 802523a | 2020-04-22 14:51:20 -0400 | [diff] [blame] | 262 | EC_POINT_point2oct(group, expected_h.get(), POINT_CONVERSION_UNCOMPRESSED, |
| 263 | expected_bytes, sizeof(expected_bytes), nullptr); |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 264 | |
| 265 | uint8_t h[97]; |
| 266 | ASSERT_TRUE(pmbtoken_exp1_get_h_for_testing(h)); |
| 267 | EXPECT_EQ(Bytes(h), Bytes(expected_bytes, expected_len)); |
| 268 | } |
| 269 | |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 270 | // Test that H in |TRUST_TOKEN_experiment_v2_pmb| was computed correctly. |
| 271 | TEST(TrustTokenTest, HExp2) { |
| 272 | const EC_GROUP *group = EC_GROUP_new_by_curve_name(NID_secp384r1); |
| 273 | ASSERT_TRUE(group); |
| 274 | |
| 275 | const uint8_t kHGen[] = "generator"; |
| 276 | const uint8_t kHLabel[] = "PMBTokens Experiment V2 HashH"; |
| 277 | |
| 278 | bssl::UniquePtr<EC_POINT> expected_h(EC_POINT_new(group)); |
| 279 | ASSERT_TRUE(expected_h); |
| 280 | ASSERT_TRUE(ec_hash_to_curve_p384_xmd_sha512_sswu_draft07( |
| 281 | group, &expected_h->raw, kHLabel, sizeof(kHLabel), kHGen, sizeof(kHGen))); |
| 282 | uint8_t expected_bytes[1 + 2 * EC_MAX_BYTES]; |
| 283 | size_t expected_len = |
| 284 | EC_POINT_point2oct(group, expected_h.get(), POINT_CONVERSION_UNCOMPRESSED, |
| 285 | expected_bytes, sizeof(expected_bytes), nullptr); |
| 286 | |
| 287 | uint8_t h[97]; |
| 288 | ASSERT_TRUE(pmbtoken_exp2_get_h_for_testing(h)); |
| 289 | EXPECT_EQ(Bytes(h), Bytes(expected_bytes, expected_len)); |
| 290 | } |
| 291 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 292 | static std::vector<const TRUST_TOKEN_METHOD *> AllMethods() { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 293 | return { |
| 294 | TRUST_TOKEN_experiment_v1(), |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 295 | TRUST_TOKEN_experiment_v2_voprf(), |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 296 | TRUST_TOKEN_experiment_v2_pmb() |
| 297 | }; |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 298 | } |
| 299 | |
| 300 | class TrustTokenProtocolTestBase : public ::testing::Test { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 301 | public: |
David Benjamin | 043fba2 | 2020-10-21 11:14:59 -0400 | [diff] [blame] | 302 | explicit TrustTokenProtocolTestBase(const TRUST_TOKEN_METHOD *method_arg) |
| 303 | : method_(method_arg) {} |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 304 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 305 | // KeyID returns the key ID associated with key index |i|. |
| 306 | static uint32_t KeyID(size_t i) { |
| 307 | // Use a different value from the indices to that we do not mix them up. |
| 308 | return 7 + i; |
| 309 | } |
| 310 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 311 | const TRUST_TOKEN_METHOD *method() { return method_; } |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 312 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 313 | protected: |
| 314 | void SetupContexts() { |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 315 | client.reset(TRUST_TOKEN_CLIENT_new(method(), client_max_batchsize)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 316 | ASSERT_TRUE(client); |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 317 | issuer.reset(TRUST_TOKEN_ISSUER_new(method(), issuer_max_batchsize)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 318 | ASSERT_TRUE(issuer); |
| 319 | |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 320 | for (size_t i = 0; i < method()->max_keys; i++) { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 321 | uint8_t priv_key[TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE]; |
| 322 | uint8_t pub_key[TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE]; |
| 323 | size_t priv_key_len, pub_key_len, key_index; |
| 324 | ASSERT_TRUE(TRUST_TOKEN_generate_key( |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 325 | method(), priv_key, &priv_key_len, TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, |
| 326 | pub_key, &pub_key_len, TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, KeyID(i))); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 327 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_add_key(client.get(), &key_index, pub_key, |
| 328 | pub_key_len)); |
| 329 | ASSERT_EQ(i, key_index); |
| 330 | ASSERT_TRUE( |
| 331 | TRUST_TOKEN_ISSUER_add_key(issuer.get(), priv_key, priv_key_len)); |
| 332 | } |
| 333 | |
| 334 | uint8_t public_key[32], private_key[64]; |
| 335 | ED25519_keypair(public_key, private_key); |
| 336 | bssl::UniquePtr<EVP_PKEY> priv(EVP_PKEY_new_raw_private_key( |
| 337 | EVP_PKEY_ED25519, nullptr, private_key, 32)); |
| 338 | ASSERT_TRUE(priv); |
| 339 | bssl::UniquePtr<EVP_PKEY> pub( |
| 340 | EVP_PKEY_new_raw_public_key(EVP_PKEY_ED25519, nullptr, public_key, 32)); |
| 341 | ASSERT_TRUE(pub); |
| 342 | |
| 343 | TRUST_TOKEN_CLIENT_set_srr_key(client.get(), pub.get()); |
| 344 | TRUST_TOKEN_ISSUER_set_srr_key(issuer.get(), priv.get()); |
| 345 | RAND_bytes(metadata_key, sizeof(metadata_key)); |
| 346 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_set_metadata_key(issuer.get(), metadata_key, |
| 347 | sizeof(metadata_key))); |
| 348 | } |
| 349 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 350 | const TRUST_TOKEN_METHOD *method_; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 351 | uint16_t client_max_batchsize = 10; |
| 352 | uint16_t issuer_max_batchsize = 10; |
| 353 | bssl::UniquePtr<TRUST_TOKEN_CLIENT> client; |
| 354 | bssl::UniquePtr<TRUST_TOKEN_ISSUER> issuer; |
| 355 | uint8_t metadata_key[32]; |
| 356 | }; |
| 357 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 358 | class TrustTokenProtocolTest |
| 359 | : public TrustTokenProtocolTestBase, |
| 360 | public testing::WithParamInterface<const TRUST_TOKEN_METHOD *> { |
| 361 | public: |
| 362 | TrustTokenProtocolTest() : TrustTokenProtocolTestBase(GetParam()) {} |
| 363 | }; |
| 364 | |
| 365 | INSTANTIATE_TEST_SUITE_P(TrustTokenAllProtocolTest, TrustTokenProtocolTest, |
| 366 | testing::ValuesIn(AllMethods())); |
| 367 | |
| 368 | TEST_P(TrustTokenProtocolTest, InvalidToken) { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 369 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 370 | |
| 371 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 372 | size_t msg_len, resp_len; |
| 373 | |
| 374 | size_t key_index; |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 375 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 376 | ASSERT_TRUE( |
| 377 | TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, &msg_len, 1)); |
| 378 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
| 379 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 380 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 381 | /*public_metadata=*/KeyID(0), /*private_metadata=*/0, |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 382 | /*max_issuance=*/10)); |
| 383 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 384 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 385 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 386 | resp_len)); |
| 387 | ASSERT_TRUE(tokens); |
| 388 | |
| 389 | for (TRUST_TOKEN *token : tokens.get()) { |
| 390 | // Corrupt the token. |
| 391 | token->data[0] ^= 0x42; |
| 392 | |
| 393 | uint8_t *redeem_msg = NULL, *redeem_resp = NULL; |
| 394 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_redemption( |
| 395 | client.get(), &redeem_msg, &msg_len, token, NULL, 0, 0)); |
| 396 | bssl::UniquePtr<uint8_t> free_redeem_msg(redeem_msg); |
| 397 | TRUST_TOKEN *rtoken; |
| 398 | uint8_t *client_data; |
| 399 | size_t client_data_len; |
| 400 | uint64_t redemption_time; |
| 401 | ASSERT_FALSE(TRUST_TOKEN_ISSUER_redeem( |
| 402 | issuer.get(), &redeem_resp, &resp_len, &rtoken, &client_data, |
| 403 | &client_data_len, &redemption_time, redeem_msg, msg_len, 600)); |
| 404 | bssl::UniquePtr<uint8_t> free_redeem_resp(redeem_resp); |
| 405 | } |
| 406 | } |
| 407 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 408 | TEST_P(TrustTokenProtocolTest, TruncatedIssuanceRequest) { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 409 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 410 | |
| 411 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 412 | size_t msg_len, resp_len; |
| 413 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 414 | &msg_len, 10)); |
| 415 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
| 416 | msg_len = 10; |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 417 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 418 | ASSERT_FALSE(TRUST_TOKEN_ISSUER_issue( |
| 419 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
| 420 | /*public_metadata=*/KeyID(0), /*private_metadata=*/0, |
| 421 | /*max_issuance=*/10)); |
| 422 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 423 | } |
| 424 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 425 | TEST_P(TrustTokenProtocolTest, TruncatedIssuanceResponse) { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 426 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 427 | |
| 428 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 429 | size_t msg_len, resp_len; |
| 430 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 431 | &msg_len, 10)); |
| 432 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 433 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 434 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 435 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
| 436 | /*public_metadata=*/KeyID(0), /*private_metadata=*/0, |
| 437 | /*max_issuance=*/10)); |
| 438 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 439 | resp_len = 10; |
| 440 | size_t key_index; |
| 441 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 442 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 443 | resp_len)); |
| 444 | ASSERT_FALSE(tokens); |
| 445 | } |
| 446 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 447 | TEST_P(TrustTokenProtocolTest, ExtraDataIssuanceResponse) { |
David Benjamin | cbe128b | 2020-04-21 23:05:27 -0400 | [diff] [blame] | 448 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 449 | |
| 450 | uint8_t *request = NULL, *response = NULL; |
| 451 | size_t request_len, response_len; |
| 452 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &request, |
| 453 | &request_len, 10)); |
| 454 | bssl::UniquePtr<uint8_t> free_request(request); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 455 | size_t tokens_issued; |
David Benjamin | cbe128b | 2020-04-21 23:05:27 -0400 | [diff] [blame] | 456 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue(issuer.get(), &response, &response_len, |
| 457 | &tokens_issued, request, request_len, |
| 458 | /*public_metadata=*/KeyID(0), |
| 459 | /*private_metadata=*/0, |
| 460 | /*max_issuance=*/10)); |
| 461 | bssl::UniquePtr<uint8_t> free_response(response); |
| 462 | std::vector<uint8_t> response2(response, response + response_len); |
| 463 | response2.push_back(0); |
| 464 | size_t key_index; |
| 465 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 466 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, |
| 467 | response2.data(), response2.size())); |
| 468 | ASSERT_FALSE(tokens); |
| 469 | } |
| 470 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 471 | TEST_P(TrustTokenProtocolTest, TruncatedRedemptionRequest) { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 472 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 473 | |
| 474 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 475 | size_t msg_len, resp_len; |
| 476 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 477 | &msg_len, 10)); |
| 478 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 479 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 480 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 481 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
| 482 | /*public_metadata=*/KeyID(0), /*private_metadata=*/0, |
| 483 | /*max_issuance=*/10)); |
| 484 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 485 | size_t key_index; |
| 486 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 487 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 488 | resp_len)); |
| 489 | ASSERT_TRUE(tokens); |
| 490 | |
| 491 | for (TRUST_TOKEN *token : tokens.get()) { |
Steven Valdez | 8f3019e | 2020-04-17 09:36:06 -0400 | [diff] [blame] | 492 | const uint8_t kClientData[] = "\x70TEST CLIENT DATA"; |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 493 | uint64_t kRedemptionTime = (method()->has_srr ? 13374242 : 0); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 494 | |
| 495 | uint8_t *redeem_msg = NULL, *redeem_resp = NULL; |
| 496 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_redemption( |
| 497 | client.get(), &redeem_msg, &msg_len, token, kClientData, |
| 498 | sizeof(kClientData) - 1, kRedemptionTime)); |
| 499 | bssl::UniquePtr<uint8_t> free_redeem_msg(redeem_msg); |
| 500 | msg_len = 10; |
| 501 | |
| 502 | TRUST_TOKEN *rtoken; |
| 503 | uint8_t *client_data; |
| 504 | size_t client_data_len; |
| 505 | uint64_t redemption_time; |
| 506 | ASSERT_FALSE(TRUST_TOKEN_ISSUER_redeem( |
| 507 | issuer.get(), &redeem_resp, &resp_len, &rtoken, &client_data, |
| 508 | &client_data_len, &redemption_time, redeem_msg, msg_len, 600)); |
| 509 | } |
| 510 | } |
| 511 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 512 | TEST_P(TrustTokenProtocolTest, TruncatedRedemptionResponse) { |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 513 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 514 | |
| 515 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 516 | size_t msg_len, resp_len; |
| 517 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 518 | &msg_len, 10)); |
| 519 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 520 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 521 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 522 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
| 523 | /*public_metadata=*/KeyID(0), /*private_metadata=*/0, |
| 524 | /*max_issuance=*/10)); |
| 525 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 526 | size_t key_index; |
| 527 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 528 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 529 | resp_len)); |
| 530 | ASSERT_TRUE(tokens); |
| 531 | |
| 532 | for (TRUST_TOKEN *token : tokens.get()) { |
Steven Valdez | 8f3019e | 2020-04-17 09:36:06 -0400 | [diff] [blame] | 533 | const uint8_t kClientData[] = "\x70TEST CLIENT DATA"; |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 534 | uint64_t kRedemptionTime = 0; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 535 | |
| 536 | uint8_t *redeem_msg = NULL, *redeem_resp = NULL; |
| 537 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_redemption( |
| 538 | client.get(), &redeem_msg, &msg_len, token, kClientData, |
| 539 | sizeof(kClientData) - 1, kRedemptionTime)); |
| 540 | bssl::UniquePtr<uint8_t> free_redeem_msg(redeem_msg); |
| 541 | TRUST_TOKEN *rtoken; |
| 542 | uint8_t *client_data; |
| 543 | size_t client_data_len; |
| 544 | uint64_t redemption_time; |
| 545 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_redeem( |
| 546 | issuer.get(), &redeem_resp, &resp_len, &rtoken, &client_data, |
| 547 | &client_data_len, &redemption_time, redeem_msg, msg_len, 600)); |
| 548 | bssl::UniquePtr<uint8_t> free_redeem_resp(redeem_resp); |
| 549 | bssl::UniquePtr<uint8_t> free_client_data(client_data); |
| 550 | bssl::UniquePtr<TRUST_TOKEN> free_rtoken(rtoken); |
| 551 | |
| 552 | ASSERT_EQ(redemption_time, kRedemptionTime); |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 553 | ASSERT_EQ(Bytes(kClientData, sizeof(kClientData) - 1), |
| 554 | Bytes(client_data, client_data_len)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 555 | resp_len = 10; |
| 556 | |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 557 | // If the protocol doesn't use SRRs, TRUST_TOKEN_CLIENT_finish_redemtpion |
| 558 | // leaves all SRR validation to the caller. |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 559 | uint8_t *srr = NULL, *sig = NULL; |
| 560 | size_t srr_len, sig_len; |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 561 | bool expect_failure = !method()->has_srr; |
| 562 | ASSERT_EQ(expect_failure, TRUST_TOKEN_CLIENT_finish_redemption( |
| 563 | client.get(), &srr, &srr_len, &sig, &sig_len, |
| 564 | redeem_resp, resp_len)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 565 | bssl::UniquePtr<uint8_t> free_srr(srr); |
| 566 | bssl::UniquePtr<uint8_t> free_sig(sig); |
| 567 | } |
| 568 | } |
| 569 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 570 | TEST_P(TrustTokenProtocolTest, IssuedWithBadKeyID) { |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 571 | client.reset(TRUST_TOKEN_CLIENT_new(method(), client_max_batchsize)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 572 | ASSERT_TRUE(client); |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 573 | issuer.reset(TRUST_TOKEN_ISSUER_new(method(), issuer_max_batchsize)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 574 | ASSERT_TRUE(issuer); |
| 575 | |
| 576 | // We configure the client and the issuer with different key IDs and test |
| 577 | // that the client notices. |
| 578 | const uint32_t kClientKeyID = 0; |
| 579 | const uint32_t kIssuerKeyID = 42; |
| 580 | |
| 581 | uint8_t priv_key[TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE]; |
| 582 | uint8_t pub_key[TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE]; |
| 583 | size_t priv_key_len, pub_key_len, key_index; |
| 584 | ASSERT_TRUE(TRUST_TOKEN_generate_key( |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 585 | method(), priv_key, &priv_key_len, TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, |
| 586 | pub_key, &pub_key_len, TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, kClientKeyID)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 587 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_add_key(client.get(), &key_index, pub_key, |
| 588 | pub_key_len)); |
| 589 | ASSERT_EQ(0UL, key_index); |
| 590 | |
| 591 | ASSERT_TRUE(TRUST_TOKEN_generate_key( |
David Benjamin | 239634d | 2020-04-29 11:17:51 -0400 | [diff] [blame] | 592 | method(), priv_key, &priv_key_len, TRUST_TOKEN_MAX_PRIVATE_KEY_SIZE, |
| 593 | pub_key, &pub_key_len, TRUST_TOKEN_MAX_PUBLIC_KEY_SIZE, kIssuerKeyID)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 594 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_add_key(issuer.get(), priv_key, priv_key_len)); |
| 595 | |
| 596 | |
| 597 | uint8_t public_key[32], private_key[64]; |
| 598 | ED25519_keypair(public_key, private_key); |
| 599 | bssl::UniquePtr<EVP_PKEY> priv( |
| 600 | EVP_PKEY_new_raw_private_key(EVP_PKEY_ED25519, nullptr, private_key, 32)); |
| 601 | ASSERT_TRUE(priv); |
| 602 | bssl::UniquePtr<EVP_PKEY> pub( |
| 603 | EVP_PKEY_new_raw_public_key(EVP_PKEY_ED25519, nullptr, public_key, 32)); |
| 604 | ASSERT_TRUE(pub); |
| 605 | |
| 606 | TRUST_TOKEN_CLIENT_set_srr_key(client.get(), pub.get()); |
| 607 | TRUST_TOKEN_ISSUER_set_srr_key(issuer.get(), priv.get()); |
| 608 | RAND_bytes(metadata_key, sizeof(metadata_key)); |
| 609 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_set_metadata_key(issuer.get(), metadata_key, |
| 610 | sizeof(metadata_key))); |
| 611 | |
| 612 | |
| 613 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 614 | size_t msg_len, resp_len; |
| 615 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 616 | &msg_len, 10)); |
| 617 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 618 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 619 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 620 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
| 621 | /*public_metadata=*/42, /*private_metadata=*/0, /*max_issuance=*/10)); |
| 622 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 623 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 624 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 625 | resp_len)); |
| 626 | ASSERT_FALSE(tokens); |
| 627 | } |
| 628 | |
| 629 | class TrustTokenMetadataTest |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 630 | : public TrustTokenProtocolTestBase, |
| 631 | public testing::WithParamInterface< |
| 632 | std::tuple<const TRUST_TOKEN_METHOD *, int, bool>> { |
| 633 | public: |
| 634 | TrustTokenMetadataTest() |
| 635 | : TrustTokenProtocolTestBase(std::get<0>(GetParam())) {} |
| 636 | |
| 637 | int public_metadata() { return std::get<1>(GetParam()); } |
| 638 | bool private_metadata() { return std::get<2>(GetParam()); } |
| 639 | }; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 640 | |
| 641 | TEST_P(TrustTokenMetadataTest, SetAndGetMetadata) { |
| 642 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 643 | |
| 644 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 645 | size_t msg_len, resp_len; |
| 646 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 647 | &msg_len, 10)); |
| 648 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 649 | size_t tokens_issued; |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 650 | bool result = TRUST_TOKEN_ISSUER_issue( |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 651 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 652 | public_metadata(), private_metadata(), /*max_issuance=*/1); |
| 653 | if (!method()->has_private_metadata && private_metadata()) { |
| 654 | ASSERT_FALSE(result); |
| 655 | return; |
| 656 | } |
| 657 | ASSERT_TRUE(result); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 658 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 659 | size_t key_index; |
| 660 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 661 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 662 | resp_len)); |
| 663 | ASSERT_TRUE(tokens); |
| 664 | |
| 665 | for (TRUST_TOKEN *token : tokens.get()) { |
Steven Valdez | 8f3019e | 2020-04-17 09:36:06 -0400 | [diff] [blame] | 666 | const uint8_t kClientData[] = "\x70TEST CLIENT DATA"; |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 667 | uint64_t kRedemptionTime = (method()->has_srr ? 13374242 : 0); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 668 | |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 669 | const uint8_t kExpectedSRRV1[] = |
Steven Valdez | 78b3337 | 2020-05-14 15:00:28 -0400 | [diff] [blame] | 670 | "\xa4\x68\x6d\x65\x74\x61\x64\x61\x74\x61\xa2\x66\x70\x75\x62\x6c\x69" |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 671 | "\x63\x00\x67\x70\x72\x69\x76\x61\x74\x65\x00\x6a\x74\x6f\x6b\x65\x6e" |
| 672 | "\x2d\x68\x61\x73\x68\x58\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| 673 | "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| 674 | "\x00\x00\x00\x00\x00\x6b\x63\x6c\x69\x65\x6e\x74\x2d\x64\x61\x74\x61" |
| 675 | "\x70\x54\x45\x53\x54\x20\x43\x4c\x49\x45\x4e\x54\x20\x44\x41\x54\x41" |
| 676 | "\x70\x65\x78\x70\x69\x72\x79\x2d\x74\x69\x6d\x65\x73\x74\x61\x6d\x70" |
| 677 | "\x1a\x00\xcc\x15\x7a"; |
| 678 | |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 679 | const uint8_t kExpectedSRRV2[] = |
| 680 | "\xa4\x68\x6d\x65\x74\x61\x64\x61\x74\x61\xa2\x66\x70\x75\x62\x6c\x69" |
| 681 | "\x63\x00\x67\x70\x72\x69\x76\x61\x74\x65\x00\x6a\x74\x6f\x6b\x65\x6e" |
| 682 | "\x2d\x68\x61\x73\x68\x58\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| 683 | "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| 684 | "\x00\x00\x00\x00\x00\x6b\x63\x6c\x69\x65\x6e\x74\x2d\x64\x61\x74\x61" |
| 685 | "\x70\x54\x45\x53\x54\x20\x43\x4c\x49\x45\x4e\x54\x20\x44\x41\x54\x41" |
| 686 | "\x70\x65\x78\x70\x69\x72\x79\x2d\x74\x69\x6d\x65\x73\x74\x61\x6d\x70" |
| 687 | "\x00"; |
| 688 | |
| 689 | const uint8_t *expected_srr = kExpectedSRRV1; |
| 690 | size_t expected_srr_len = sizeof(kExpectedSRRV1) - 1; |
| 691 | if (!method()->has_srr) { |
| 692 | expected_srr = kExpectedSRRV2; |
| 693 | expected_srr_len = sizeof(kExpectedSRRV2) - 1; |
| 694 | } |
| 695 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 696 | uint8_t *redeem_msg = NULL, *redeem_resp = NULL; |
| 697 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_redemption( |
| 698 | client.get(), &redeem_msg, &msg_len, token, kClientData, |
| 699 | sizeof(kClientData) - 1, kRedemptionTime)); |
| 700 | bssl::UniquePtr<uint8_t> free_redeem_msg(redeem_msg); |
| 701 | TRUST_TOKEN *rtoken; |
| 702 | uint8_t *client_data; |
| 703 | size_t client_data_len; |
| 704 | uint64_t redemption_time; |
| 705 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_redeem( |
| 706 | issuer.get(), &redeem_resp, &resp_len, &rtoken, &client_data, |
| 707 | &client_data_len, &redemption_time, redeem_msg, msg_len, 600)); |
| 708 | bssl::UniquePtr<uint8_t> free_redeem_resp(redeem_resp); |
| 709 | bssl::UniquePtr<uint8_t> free_client_data(client_data); |
| 710 | bssl::UniquePtr<TRUST_TOKEN> free_rtoken(rtoken); |
| 711 | |
| 712 | ASSERT_EQ(redemption_time, kRedemptionTime); |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 713 | ASSERT_EQ(Bytes(kClientData, sizeof(kClientData) - 1), |
| 714 | Bytes(client_data, client_data_len)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 715 | |
| 716 | uint8_t *srr = NULL, *sig = NULL; |
| 717 | size_t srr_len, sig_len; |
| 718 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_finish_redemption( |
| 719 | client.get(), &srr, &srr_len, &sig, &sig_len, redeem_resp, resp_len)); |
| 720 | bssl::UniquePtr<uint8_t> free_srr(srr); |
| 721 | bssl::UniquePtr<uint8_t> free_sig(sig); |
| 722 | |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 723 | if (!method()->has_srr) { |
| 724 | size_t b64_len; |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 725 | ASSERT_TRUE(EVP_EncodedLength(&b64_len, expected_srr_len)); |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 726 | b64_len -= 1; |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 727 | const char kSRRHeader[] = "body=:"; |
| 728 | ASSERT_LT(sizeof(kSRRHeader) - 1 + b64_len, srr_len); |
| 729 | |
| 730 | ASSERT_EQ(Bytes(kSRRHeader, sizeof(kSRRHeader) - 1), |
| 731 | Bytes(srr, sizeof(kSRRHeader) - 1)); |
| 732 | uint8_t *decoded_srr = |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 733 | (uint8_t *)OPENSSL_malloc(expected_srr_len + 2); |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 734 | ASSERT_TRUE(decoded_srr); |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 735 | ASSERT_LE( |
| 736 | int(expected_srr_len), |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 737 | EVP_DecodeBlock(decoded_srr, srr + sizeof(kSRRHeader) - 1, b64_len)); |
| 738 | srr = decoded_srr; |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 739 | srr_len = expected_srr_len; |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 740 | free_srr.reset(srr); |
| 741 | } |
| 742 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 743 | const uint8_t kTokenHashDSTLabel[] = "TrustTokenV0 TokenHash"; |
| 744 | uint8_t token_hash[SHA256_DIGEST_LENGTH]; |
| 745 | SHA256_CTX sha_ctx; |
| 746 | SHA256_Init(&sha_ctx); |
| 747 | SHA256_Update(&sha_ctx, kTokenHashDSTLabel, sizeof(kTokenHashDSTLabel)); |
| 748 | SHA256_Update(&sha_ctx, token->data, token->len); |
| 749 | SHA256_Final(token_hash, &sha_ctx); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 750 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 751 | // Check the token hash is in the SRR. |
| 752 | ASSERT_EQ(Bytes(token_hash), Bytes(srr + 41, sizeof(token_hash))); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 753 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 754 | uint8_t decode_private_metadata; |
| 755 | ASSERT_TRUE(TRUST_TOKEN_decode_private_metadata( |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 756 | method(), &decode_private_metadata, metadata_key, |
| 757 | sizeof(metadata_key), token_hash, sizeof(token_hash), srr[27])); |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 758 | ASSERT_EQ(srr[18], public_metadata()); |
| 759 | ASSERT_EQ(decode_private_metadata, private_metadata()); |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 760 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 761 | // Clear out the metadata bits. |
| 762 | srr[18] = 0; |
| 763 | srr[27] = 0; |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 764 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 765 | // Clear out the token hash. |
| 766 | OPENSSL_memset(srr + 41, 0, sizeof(token_hash)); |
Steven Valdez | 5430473 | 2020-05-04 11:56:12 -0400 | [diff] [blame] | 767 | |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 768 | ASSERT_EQ(Bytes(expected_srr, expected_srr_len), |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 769 | Bytes(srr, srr_len)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 770 | } |
| 771 | } |
| 772 | |
Steven Valdez | 0782715 | 2020-10-13 11:04:33 -0400 | [diff] [blame] | 773 | TEST_P(TrustTokenMetadataTest, RawSetAndGetMetadata) { |
| 774 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 775 | |
| 776 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 777 | size_t msg_len, resp_len; |
| 778 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 779 | &msg_len, 10)); |
| 780 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
| 781 | size_t tokens_issued; |
| 782 | bool result = TRUST_TOKEN_ISSUER_issue( |
| 783 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
| 784 | public_metadata(), private_metadata(), /*max_issuance=*/1); |
| 785 | if (!method()->has_private_metadata && private_metadata()) { |
| 786 | ASSERT_FALSE(result); |
| 787 | return; |
| 788 | } |
| 789 | ASSERT_TRUE(result); |
| 790 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 791 | size_t key_index; |
| 792 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 793 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 794 | resp_len)); |
| 795 | ASSERT_TRUE(tokens); |
| 796 | EXPECT_EQ(1u, sk_TRUST_TOKEN_num(tokens.get())); |
| 797 | |
| 798 | for (TRUST_TOKEN *token : tokens.get()) { |
| 799 | const uint8_t kClientData[] = "\x70TEST CLIENT DATA"; |
| 800 | uint64_t kRedemptionTime = (method()->has_srr ? 13374242 : 0); |
| 801 | |
| 802 | uint8_t *redeem_msg = NULL; |
| 803 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_redemption( |
| 804 | client.get(), &redeem_msg, &msg_len, token, kClientData, |
| 805 | sizeof(kClientData) - 1, kRedemptionTime)); |
| 806 | bssl::UniquePtr<uint8_t> free_redeem_msg(redeem_msg); |
| 807 | uint32_t public_value; |
| 808 | uint8_t private_value; |
| 809 | TRUST_TOKEN *rtoken; |
| 810 | uint8_t *client_data; |
| 811 | size_t client_data_len; |
| 812 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_redeem_raw( |
| 813 | issuer.get(), &public_value, &private_value, &rtoken, |
| 814 | &client_data, &client_data_len, redeem_msg, msg_len)); |
| 815 | bssl::UniquePtr<uint8_t> free_client_data(client_data); |
| 816 | bssl::UniquePtr<TRUST_TOKEN> free_rtoken(rtoken); |
| 817 | |
| 818 | ASSERT_EQ(Bytes(kClientData, sizeof(kClientData) - 1), |
| 819 | Bytes(client_data, client_data_len)); |
| 820 | ASSERT_EQ(public_value, static_cast<uint32_t>(public_metadata())); |
| 821 | ASSERT_EQ(private_value, private_metadata()); |
| 822 | } |
| 823 | } |
| 824 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 825 | TEST_P(TrustTokenMetadataTest, TooManyRequests) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 826 | if (!method()->has_private_metadata && private_metadata()) { |
| 827 | return; |
| 828 | } |
| 829 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 830 | issuer_max_batchsize = 1; |
| 831 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 832 | |
| 833 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 834 | size_t msg_len, resp_len; |
| 835 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 836 | &msg_len, 10)); |
| 837 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 838 | size_t tokens_issued; |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 839 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 840 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 841 | public_metadata(), private_metadata(), /*max_issuance=*/1)); |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 842 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 843 | ASSERT_EQ(tokens_issued, issuer_max_batchsize); |
| 844 | size_t key_index; |
| 845 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 846 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 847 | resp_len)); |
| 848 | ASSERT_TRUE(tokens); |
| 849 | ASSERT_EQ(sk_TRUST_TOKEN_num(tokens.get()), 1UL); |
| 850 | } |
| 851 | |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 852 | |
| 853 | TEST_P(TrustTokenMetadataTest, TruncatedProof) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 854 | if (!method()->has_private_metadata && private_metadata()) { |
| 855 | return; |
| 856 | } |
| 857 | |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 858 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 859 | |
| 860 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 861 | size_t msg_len, resp_len; |
| 862 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 863 | &msg_len, 10)); |
| 864 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 865 | size_t tokens_issued; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 866 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 867 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 868 | public_metadata(), private_metadata(), /*max_issuance=*/1)); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 869 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 870 | |
| 871 | CBS real_response; |
| 872 | CBS_init(&real_response, issue_resp, resp_len); |
| 873 | uint16_t count; |
David Benjamin | 043fba2 | 2020-10-21 11:14:59 -0400 | [diff] [blame] | 874 | uint32_t parsed_public_metadata; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 875 | bssl::ScopedCBB bad_response; |
| 876 | ASSERT_TRUE(CBB_init(bad_response.get(), 0)); |
| 877 | ASSERT_TRUE(CBS_get_u16(&real_response, &count)); |
| 878 | ASSERT_TRUE(CBB_add_u16(bad_response.get(), count)); |
David Benjamin | 043fba2 | 2020-10-21 11:14:59 -0400 | [diff] [blame] | 879 | ASSERT_TRUE(CBS_get_u32(&real_response, &parsed_public_metadata)); |
| 880 | ASSERT_TRUE(CBB_add_u32(bad_response.get(), parsed_public_metadata)); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 881 | |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 882 | const EC_GROUP *group = EC_GROUP_new_by_curve_name(NID_secp384r1); |
| 883 | size_t token_length = |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 884 | TRUST_TOKEN_NONCE_SIZE + 2 * (1 + 2 * BN_num_bytes(&group->field)); |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 885 | if (method() == TRUST_TOKEN_experiment_v1()) { |
| 886 | token_length += 4; |
| 887 | } |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 888 | if (method() == TRUST_TOKEN_experiment_v2_voprf()) { |
| 889 | token_length = 1 + 2 * BN_num_bytes(&group->field); |
| 890 | } |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 891 | for (size_t i = 0; i < count; i++) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 892 | ASSERT_TRUE(CBB_add_bytes(bad_response.get(), CBS_data(&real_response), |
| 893 | token_length)); |
| 894 | ASSERT_TRUE(CBS_skip(&real_response, token_length)); |
Steven Valdez | b55a8c1 | 2020-05-08 14:22:14 -0400 | [diff] [blame] | 895 | } |
| 896 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 897 | CBS tmp; |
| 898 | ASSERT_TRUE(CBS_get_u16_length_prefixed(&real_response, &tmp)); |
| 899 | CBB dleq; |
| 900 | ASSERT_TRUE(CBB_add_u16_length_prefixed(bad_response.get(), &dleq)); |
| 901 | ASSERT_TRUE(CBB_add_bytes(&dleq, CBS_data(&tmp), CBS_len(&tmp) - 2)); |
| 902 | ASSERT_TRUE(CBB_flush(bad_response.get())); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 903 | |
| 904 | uint8_t *bad_buf; |
| 905 | size_t bad_len; |
| 906 | ASSERT_TRUE(CBB_finish(bad_response.get(), &bad_buf, &bad_len)); |
| 907 | bssl::UniquePtr<uint8_t> free_bad(bad_buf); |
| 908 | |
| 909 | size_t key_index; |
| 910 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 911 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, bad_buf, |
| 912 | bad_len)); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 913 | ASSERT_FALSE(tokens); |
| 914 | } |
| 915 | |
| 916 | TEST_P(TrustTokenMetadataTest, ExcessDataProof) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 917 | if (!method()->has_private_metadata && private_metadata()) { |
| 918 | return; |
| 919 | } |
| 920 | |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 921 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 922 | |
| 923 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 924 | size_t msg_len, resp_len; |
| 925 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 926 | &msg_len, 10)); |
| 927 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 928 | size_t tokens_issued; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 929 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 930 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 931 | public_metadata(), private_metadata(), /*max_issuance=*/1)); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 932 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 933 | |
| 934 | CBS real_response; |
| 935 | CBS_init(&real_response, issue_resp, resp_len); |
| 936 | uint16_t count; |
David Benjamin | 043fba2 | 2020-10-21 11:14:59 -0400 | [diff] [blame] | 937 | uint32_t parsed_public_metadata; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 938 | bssl::ScopedCBB bad_response; |
| 939 | ASSERT_TRUE(CBB_init(bad_response.get(), 0)); |
| 940 | ASSERT_TRUE(CBS_get_u16(&real_response, &count)); |
| 941 | ASSERT_TRUE(CBB_add_u16(bad_response.get(), count)); |
David Benjamin | 043fba2 | 2020-10-21 11:14:59 -0400 | [diff] [blame] | 942 | ASSERT_TRUE(CBS_get_u32(&real_response, &parsed_public_metadata)); |
| 943 | ASSERT_TRUE(CBB_add_u32(bad_response.get(), parsed_public_metadata)); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 944 | |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 945 | const EC_GROUP *group = EC_GROUP_new_by_curve_name(NID_secp384r1); |
| 946 | size_t token_length = |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 947 | TRUST_TOKEN_NONCE_SIZE + 2 * (1 + 2 * BN_num_bytes(&group->field)); |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 948 | if (method() == TRUST_TOKEN_experiment_v1()) { |
| 949 | token_length += 4; |
| 950 | } |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 951 | if (method() == TRUST_TOKEN_experiment_v2_voprf()) { |
| 952 | token_length = 1 + 2 * BN_num_bytes(&group->field); |
| 953 | } |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 954 | for (size_t i = 0; i < count; i++) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 955 | ASSERT_TRUE(CBB_add_bytes(bad_response.get(), CBS_data(&real_response), |
| 956 | token_length)); |
| 957 | ASSERT_TRUE(CBS_skip(&real_response, token_length)); |
Steven Valdez | b55a8c1 | 2020-05-08 14:22:14 -0400 | [diff] [blame] | 958 | } |
| 959 | |
Steven Valdez | d0637e9 | 2020-06-03 15:43:49 -0400 | [diff] [blame] | 960 | CBS tmp; |
| 961 | ASSERT_TRUE(CBS_get_u16_length_prefixed(&real_response, &tmp)); |
| 962 | CBB dleq; |
| 963 | ASSERT_TRUE(CBB_add_u16_length_prefixed(bad_response.get(), &dleq)); |
| 964 | ASSERT_TRUE(CBB_add_bytes(&dleq, CBS_data(&tmp), CBS_len(&tmp))); |
| 965 | ASSERT_TRUE(CBB_add_u16(&dleq, 42)); |
| 966 | ASSERT_TRUE(CBB_flush(bad_response.get())); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 967 | |
| 968 | uint8_t *bad_buf; |
| 969 | size_t bad_len; |
| 970 | ASSERT_TRUE(CBB_finish(bad_response.get(), &bad_buf, &bad_len)); |
| 971 | bssl::UniquePtr<uint8_t> free_bad(bad_buf); |
| 972 | |
| 973 | size_t key_index; |
| 974 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 975 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, bad_buf, |
| 976 | bad_len)); |
| 977 | ASSERT_FALSE(tokens); |
| 978 | } |
| 979 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 980 | INSTANTIATE_TEST_SUITE_P( |
| 981 | TrustTokenAllMetadataTest, TrustTokenMetadataTest, |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 982 | testing::Combine(testing::ValuesIn(AllMethods()), |
| 983 | testing::Values(TrustTokenProtocolTest::KeyID(0), |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 984 | TrustTokenProtocolTest::KeyID(1), |
| 985 | TrustTokenProtocolTest::KeyID(2)), |
| 986 | testing::Bool())); |
| 987 | |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 988 | class TrustTokenBadKeyTest |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 989 | : public TrustTokenProtocolTestBase, |
| 990 | public testing::WithParamInterface< |
| 991 | std::tuple<const TRUST_TOKEN_METHOD *, bool, int>> { |
| 992 | public: |
| 993 | TrustTokenBadKeyTest() |
| 994 | : TrustTokenProtocolTestBase(std::get<0>(GetParam())) {} |
| 995 | |
| 996 | bool private_metadata() { return std::get<1>(GetParam()); } |
| 997 | int corrupted_key() { return std::get<2>(GetParam()); } |
| 998 | }; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 999 | |
| 1000 | TEST_P(TrustTokenBadKeyTest, BadKey) { |
Steven Valdez | f2b2ef8 | 2020-09-21 11:39:22 -0400 | [diff] [blame] | 1001 | // For versions without private metadata, only corruptions of 'xs' (the 4th |
| 1002 | // entry in |scalars| below) result in a bad key, as the other scalars are |
| 1003 | // unused internally. |
| 1004 | if (!method()->has_private_metadata && |
| 1005 | (private_metadata() || corrupted_key() != 4)) { |
Steven Valdez | 9adcb0a | 2020-09-10 10:59:15 -0400 | [diff] [blame] | 1006 | return; |
| 1007 | } |
| 1008 | |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1009 | ASSERT_NO_FATAL_FAILURE(SetupContexts()); |
| 1010 | |
| 1011 | uint8_t *issue_msg = NULL, *issue_resp = NULL; |
| 1012 | size_t msg_len, resp_len; |
| 1013 | ASSERT_TRUE(TRUST_TOKEN_CLIENT_begin_issuance(client.get(), &issue_msg, |
| 1014 | &msg_len, 10)); |
| 1015 | bssl::UniquePtr<uint8_t> free_issue_msg(issue_msg); |
| 1016 | |
| 1017 | struct trust_token_issuer_key_st *key = &issuer->keys[0]; |
David Benjamin | 090ee96 | 2020-04-28 17:08:37 -0400 | [diff] [blame] | 1018 | EC_SCALAR *scalars[] = {&key->key.x0, &key->key.y0, &key->key.x1, |
| 1019 | &key->key.y1, &key->key.xs, &key->key.ys}; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1020 | |
| 1021 | // Corrupt private key scalar. |
David Benjamin | 227ff6e | 2022-05-05 08:43:27 -0400 | [diff] [blame] | 1022 | scalars[corrupted_key()]->words[0] ^= 42; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1023 | |
David Benjamin | 17078f2 | 2020-04-28 17:50:13 -0400 | [diff] [blame] | 1024 | size_t tokens_issued; |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1025 | ASSERT_TRUE(TRUST_TOKEN_ISSUER_issue( |
| 1026 | issuer.get(), &issue_resp, &resp_len, &tokens_issued, issue_msg, msg_len, |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 1027 | /*public_metadata=*/7, private_metadata(), /*max_issuance=*/1)); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1028 | bssl::UniquePtr<uint8_t> free_msg(issue_resp); |
| 1029 | size_t key_index; |
| 1030 | bssl::UniquePtr<STACK_OF(TRUST_TOKEN)> tokens( |
| 1031 | TRUST_TOKEN_CLIENT_finish_issuance(client.get(), &key_index, issue_resp, |
| 1032 | resp_len)); |
| 1033 | |
| 1034 | // If the unused private key is corrupted, then the DLEQ proof should succeed. |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 1035 | if ((corrupted_key() / 2 == 0 && private_metadata() == true) || |
| 1036 | (corrupted_key() / 2 == 1 && private_metadata() == false)) { |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1037 | ASSERT_TRUE(tokens); |
| 1038 | } else { |
| 1039 | ASSERT_FALSE(tokens); |
| 1040 | } |
| 1041 | } |
| 1042 | |
David Benjamin | aa764c4 | 2020-04-29 12:39:10 -0400 | [diff] [blame] | 1043 | INSTANTIATE_TEST_SUITE_P(TrustTokenAllBadKeyTest, TrustTokenBadKeyTest, |
| 1044 | testing::Combine(testing::ValuesIn(AllMethods()), |
| 1045 | testing::Bool(), |
| 1046 | testing::Values(0, 1, 2, 3, 4, 5))); |
Steven Valdez | 78987bb | 2020-04-09 14:57:31 -0400 | [diff] [blame] | 1047 | |
Steven Valdez | 538a124 | 2019-12-16 12:12:31 -0500 | [diff] [blame] | 1048 | } // namespace |
| 1049 | BSSL_NAMESPACE_END |