Marcel Holtmann | ee48529 | 2014-12-29 20:48:35 -0800 | [diff] [blame] | 1 | /* |
| 2 | BlueZ - Bluetooth protocol stack for Linux |
| 3 | |
| 4 | Copyright (C) 2014 Intel Corporation |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License version 2 as |
| 8 | published by the Free Software Foundation; |
| 9 | |
| 10 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 11 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 12 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
| 13 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
| 14 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
| 15 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 17 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 | |
| 19 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| 20 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
| 21 | SOFTWARE IS DISCLAIMED. |
| 22 | */ |
| 23 | |
| 24 | #include <net/bluetooth/bluetooth.h> |
| 25 | |
Johan Hedberg | 0b6415b | 2014-12-29 20:48:36 -0800 | [diff] [blame^] | 26 | #include "ecc.h" |
Marcel Holtmann | ee48529 | 2014-12-29 20:48:35 -0800 | [diff] [blame] | 27 | #include "selftest.h" |
| 28 | |
Johan Hedberg | 0b6415b | 2014-12-29 20:48:36 -0800 | [diff] [blame^] | 29 | #if IS_ENABLED(CONFIG_BT_SELFTEST_ECDH) |
| 30 | |
| 31 | static const u8 priv_a_1[32] __initconst = { |
| 32 | 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58, |
| 33 | 0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a, |
| 34 | 0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74, |
| 35 | 0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f, |
| 36 | }; |
| 37 | static const u8 priv_b_1[32] __initconst = { |
| 38 | 0xfd, 0xc5, 0x7f, 0xf4, 0x49, 0xdd, 0x4f, 0x6b, |
| 39 | 0xfb, 0x7c, 0x9d, 0xf1, 0xc2, 0x9a, 0xcb, 0x59, |
| 40 | 0x2a, 0xe7, 0xd4, 0xee, 0xfb, 0xfc, 0x0a, 0x90, |
| 41 | 0x9a, 0xbb, 0xf6, 0x32, 0x3d, 0x8b, 0x18, 0x55, |
| 42 | }; |
| 43 | static const u8 pub_a_1[64] __initconst = { |
| 44 | 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, |
| 45 | 0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef, |
| 46 | 0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e, |
| 47 | 0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20, |
| 48 | |
| 49 | 0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74, |
| 50 | 0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76, |
| 51 | 0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63, |
| 52 | 0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc, |
| 53 | }; |
| 54 | static const u8 pub_b_1[64] __initconst = { |
| 55 | 0x90, 0xa1, 0xaa, 0x2f, 0xb2, 0x77, 0x90, 0x55, |
| 56 | 0x9f, 0xa6, 0x15, 0x86, 0xfd, 0x8a, 0xb5, 0x47, |
| 57 | 0x00, 0x4c, 0x9e, 0xf1, 0x84, 0x22, 0x59, 0x09, |
| 58 | 0x96, 0x1d, 0xaf, 0x1f, 0xf0, 0xf0, 0xa1, 0x1e, |
| 59 | |
| 60 | 0x4a, 0x21, 0xb1, 0x15, 0xf9, 0xaf, 0x89, 0x5f, |
| 61 | 0x76, 0x36, 0x8e, 0xe2, 0x30, 0x11, 0x2d, 0x47, |
| 62 | 0x60, 0x51, 0xb8, 0x9a, 0x3a, 0x70, 0x56, 0x73, |
| 63 | 0x37, 0xad, 0x9d, 0x42, 0x3e, 0xf3, 0x55, 0x4c, |
| 64 | }; |
| 65 | static const u8 dhkey_1[32] __initconst = { |
| 66 | 0x98, 0xa6, 0xbf, 0x73, 0xf3, 0x34, 0x8d, 0x86, |
| 67 | 0xf1, 0x66, 0xf8, 0xb4, 0x13, 0x6b, 0x79, 0x99, |
| 68 | 0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34, |
| 69 | 0x05, 0xad, 0xc8, 0x57, 0xa3, 0x34, 0x02, 0xec, |
| 70 | }; |
| 71 | |
| 72 | static const u8 priv_a_2[32] __initconst = { |
| 73 | 0x63, 0x76, 0x45, 0xd0, 0xf7, 0x73, 0xac, 0xb7, |
| 74 | 0xff, 0xdd, 0x03, 0x72, 0xb9, 0x72, 0x85, 0xb4, |
| 75 | 0x41, 0xb6, 0x5d, 0x0c, 0x5d, 0x54, 0x84, 0x60, |
| 76 | 0x1a, 0xa3, 0x9a, 0x3c, 0x69, 0x16, 0xa5, 0x06, |
| 77 | }; |
| 78 | static const u8 priv_b_2[32] __initconst = { |
| 79 | 0xba, 0x30, 0x55, 0x50, 0x19, 0xa2, 0xca, 0xa3, |
| 80 | 0xa5, 0x29, 0x08, 0xc6, 0xb5, 0x03, 0x88, 0x7e, |
| 81 | 0x03, 0x2b, 0x50, 0x73, 0xd4, 0x2e, 0x50, 0x97, |
| 82 | 0x64, 0xcd, 0x72, 0x0d, 0x67, 0xa0, 0x9a, 0x52, |
| 83 | }; |
| 84 | static const u8 pub_a_2[64] __initconst = { |
| 85 | 0xdd, 0x78, 0x5c, 0x74, 0x03, 0x9b, 0x7e, 0x98, |
| 86 | 0xcb, 0x94, 0x87, 0x4a, 0xad, 0xfa, 0xf8, 0xd5, |
| 87 | 0x43, 0x3e, 0x5c, 0xaf, 0xea, 0xb5, 0x4c, 0xf4, |
| 88 | 0x9e, 0x80, 0x79, 0x57, 0x7b, 0xa4, 0x31, 0x2c, |
| 89 | |
| 90 | 0x4f, 0x5d, 0x71, 0x43, 0x77, 0x43, 0xf8, 0xea, |
| 91 | 0xd4, 0x3e, 0xbd, 0x17, 0x91, 0x10, 0x21, 0xd0, |
| 92 | 0x1f, 0x87, 0x43, 0x8e, 0x40, 0xe2, 0x52, 0xcd, |
| 93 | 0xbe, 0xdf, 0x98, 0x38, 0x18, 0x12, 0x95, 0x91, |
| 94 | }; |
| 95 | static const u8 pub_b_2[64] __initconst = { |
| 96 | 0xcc, 0x00, 0x65, 0xe1, 0xf5, 0x6c, 0x0d, 0xcf, |
| 97 | 0xec, 0x96, 0x47, 0x20, 0x66, 0xc9, 0xdb, 0x84, |
| 98 | 0x81, 0x75, 0xa8, 0x4d, 0xc0, 0xdf, 0xc7, 0x9d, |
| 99 | 0x1b, 0x3f, 0x3d, 0xf2, 0x3f, 0xe4, 0x65, 0xf4, |
| 100 | |
| 101 | 0x79, 0xb2, 0xec, 0xd8, 0xca, 0x55, 0xa1, 0xa8, |
| 102 | 0x43, 0x4d, 0x6b, 0xca, 0x10, 0xb0, 0xc2, 0x01, |
| 103 | 0xc2, 0x33, 0x4e, 0x16, 0x24, 0xc4, 0xef, 0xee, |
| 104 | 0x99, 0xd8, 0xbb, 0xbc, 0x48, 0xd0, 0x01, 0x02, |
| 105 | }; |
| 106 | static const u8 dhkey_2[32] __initconst = { |
| 107 | 0x69, 0xeb, 0x21, 0x32, 0xf2, 0xc6, 0x05, 0x41, |
| 108 | 0x60, 0x19, 0xcd, 0x5e, 0x94, 0xe1, 0xe6, 0x5f, |
| 109 | 0x33, 0x07, 0xe3, 0x38, 0x4b, 0x68, 0xe5, 0x62, |
| 110 | 0x3f, 0x88, 0x6d, 0x2f, 0x3a, 0x84, 0x85, 0xab, |
| 111 | }; |
| 112 | |
| 113 | static const u8 priv_a_3[32] __initconst = { |
| 114 | 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58, |
| 115 | 0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a, |
| 116 | 0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74, |
| 117 | 0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f, |
| 118 | }; |
| 119 | static const u8 pub_a_3[64] __initconst = { |
| 120 | 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, |
| 121 | 0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef, |
| 122 | 0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e, |
| 123 | 0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20, |
| 124 | |
| 125 | 0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74, |
| 126 | 0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76, |
| 127 | 0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63, |
| 128 | 0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc, |
| 129 | }; |
| 130 | static const u8 dhkey_3[32] __initconst = { |
| 131 | 0x2d, 0xab, 0x00, 0x48, 0xcb, 0xb3, 0x7b, 0xda, |
| 132 | 0x55, 0x7b, 0x8b, 0x72, 0xa8, 0x57, 0x87, 0xc3, |
| 133 | 0x87, 0x27, 0x99, 0x32, 0xfc, 0x79, 0x5f, 0xae, |
| 134 | 0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70, |
| 135 | }; |
| 136 | |
| 137 | static int __init test_ecdh_sample(const u8 priv_a[32], const u8 priv_b[32], |
| 138 | const u8 pub_a[64], const u8 pub_b[64], |
| 139 | const u8 dhkey[32]) |
| 140 | { |
| 141 | u8 dhkey_a[32], dhkey_b[32]; |
| 142 | |
| 143 | ecdh_shared_secret(pub_b, priv_a, dhkey_a); |
| 144 | ecdh_shared_secret(pub_a, priv_b, dhkey_b); |
| 145 | |
| 146 | if (memcmp(dhkey_a, dhkey, 32)) |
| 147 | return -EINVAL; |
| 148 | |
| 149 | if (memcmp(dhkey_b, dhkey, 32)) |
| 150 | return -EINVAL; |
| 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static int __init test_ecdh(void) |
| 156 | { |
| 157 | int err; |
| 158 | |
| 159 | err = test_ecdh_sample(priv_a_1, priv_b_1, pub_a_1, pub_b_1, dhkey_1); |
| 160 | if (err) { |
| 161 | BT_ERR("ECDH sample 1 failed"); |
| 162 | return err; |
| 163 | } |
| 164 | |
| 165 | err = test_ecdh_sample(priv_a_2, priv_b_2, pub_a_2, pub_b_2, dhkey_2); |
| 166 | if (err) { |
| 167 | BT_ERR("ECDH sample 2 failed"); |
| 168 | return err; |
| 169 | } |
| 170 | |
| 171 | err = test_ecdh_sample(priv_a_3, priv_a_3, pub_a_3, pub_a_3, dhkey_3); |
| 172 | if (err) { |
| 173 | BT_ERR("ECDH sample 3 failed"); |
| 174 | return err; |
| 175 | } |
| 176 | |
| 177 | BT_INFO("ECDH test passed"); |
| 178 | |
| 179 | return 0; |
| 180 | } |
| 181 | |
| 182 | #else |
| 183 | |
| 184 | static inline int test_ecdh(void) |
| 185 | { |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | #endif |
| 190 | |
Marcel Holtmann | ee48529 | 2014-12-29 20:48:35 -0800 | [diff] [blame] | 191 | static int __init run_selftest(void) |
| 192 | { |
Johan Hedberg | 0b6415b | 2014-12-29 20:48:36 -0800 | [diff] [blame^] | 193 | int err; |
| 194 | |
Marcel Holtmann | ee48529 | 2014-12-29 20:48:35 -0800 | [diff] [blame] | 195 | BT_INFO("Starting self testing"); |
| 196 | |
Johan Hedberg | 0b6415b | 2014-12-29 20:48:36 -0800 | [diff] [blame^] | 197 | err = test_ecdh(); |
| 198 | |
Marcel Holtmann | ee48529 | 2014-12-29 20:48:35 -0800 | [diff] [blame] | 199 | BT_INFO("Finished self testing"); |
| 200 | |
Johan Hedberg | 0b6415b | 2014-12-29 20:48:36 -0800 | [diff] [blame^] | 201 | return err; |
Marcel Holtmann | ee48529 | 2014-12-29 20:48:35 -0800 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | #if IS_MODULE(CONFIG_BT) |
| 205 | |
| 206 | /* This is run when CONFIG_BT_SELFTEST=y and CONFIG_BT=m and is just a |
| 207 | * wrapper to allow running this at module init. |
| 208 | * |
| 209 | * If CONFIG_BT_SELFTEST=n, then this code is not compiled at all. |
| 210 | */ |
| 211 | int __init bt_selftest(void) |
| 212 | { |
| 213 | return run_selftest(); |
| 214 | } |
| 215 | |
| 216 | #else |
| 217 | |
| 218 | /* This is run when CONFIG_BT_SELFTEST=y and CONFIG_BT=y and is run |
| 219 | * via late_initcall() as last item in the initialization sequence. |
| 220 | * |
| 221 | * If CONFIG_BT_SELFTEST=n, then this code is not compiled at all. |
| 222 | */ |
| 223 | static int __init bt_selftest_init(void) |
| 224 | { |
| 225 | return run_selftest(); |
| 226 | } |
| 227 | late_initcall(bt_selftest_init); |
| 228 | |
| 229 | #endif |