Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013, Andreas Oetken. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
Heiko Schocher | 29a23f9 | 2014-03-03 12:19:30 +0100 | [diff] [blame] | 7 | #ifndef USE_HOSTCC |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 8 | #include <common.h> |
| 9 | #include <fdtdec.h> |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 10 | #include <asm/byteorder.h> |
| 11 | #include <asm/errno.h> |
| 12 | #include <asm/unaligned.h> |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 13 | #include <hash.h> |
Heiko Schocher | 29a23f9 | 2014-03-03 12:19:30 +0100 | [diff] [blame] | 14 | #else |
| 15 | #include "fdt_host.h" |
Jeroen Hofstee | 2b9912e | 2014-06-12 22:27:12 +0200 | [diff] [blame] | 16 | #include <u-boot/sha1.h> |
| 17 | #include <u-boot/sha256.h> |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 18 | #endif |
| 19 | #include <u-boot/rsa.h> |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 20 | |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 21 | /* PKCS 1.5 paddings as described in the RSA PKCS#1 v2.1 standard. */ |
| 22 | |
| 23 | const uint8_t padding_sha256_rsa2048[RSA2048_BYTES - SHA256_SUM_LEN] = { |
| 24 | 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 25 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 26 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 27 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 28 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 29 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 30 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 31 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 32 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 33 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 34 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 35 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 36 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 37 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 38 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 39 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0x31, 0x30, |
| 40 | 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, |
| 41 | 0x00, 0x04, 0x20 |
| 42 | }; |
| 43 | |
| 44 | const uint8_t padding_sha1_rsa2048[RSA2048_BYTES - SHA1_SUM_LEN] = { |
| 45 | 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 46 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 47 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 48 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 49 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 50 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 51 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 52 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 53 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 54 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 55 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 56 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 57 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 58 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 59 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 60 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 61 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 62 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 63 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 64 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 65 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 66 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 67 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 68 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 69 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 70 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 71 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 72 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0x21, 0x30, |
| 73 | 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, |
| 74 | 0x05, 0x00, 0x04, 0x14 |
| 75 | }; |
| 76 | |
Heiko Schocher | db1b5f3 | 2014-03-03 12:19:27 +0100 | [diff] [blame] | 77 | const uint8_t padding_sha256_rsa4096[RSA4096_BYTES - SHA256_SUM_LEN] = { |
| 78 | 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 79 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 80 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 81 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 82 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 83 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 84 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 85 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 86 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 87 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 88 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 89 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 90 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 91 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 92 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 93 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 94 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 95 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 96 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 97 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 98 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 99 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 100 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 101 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 102 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 103 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 104 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 105 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 106 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 107 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 108 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 109 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 110 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 111 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 112 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 113 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 114 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 115 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 116 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 117 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 118 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 119 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 120 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 121 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 122 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 123 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 124 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 125 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 126 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 127 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 128 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 129 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 130 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 131 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 132 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 133 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 134 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 135 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0x31, 0x30, |
| 136 | 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, |
| 137 | 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20 |
| 138 | }; |
| 139 | |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 140 | int hash_calculate(const char *name, |
| 141 | const struct image_region region[], |
| 142 | int region_count, uint8_t *checksum) |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 143 | { |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 144 | struct hash_algo *algo; |
| 145 | int ret = 0; |
| 146 | void *ctx; |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 147 | uint32_t i; |
| 148 | i = 0; |
| 149 | |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 150 | ret = hash_progressive_lookup_algo(name, &algo); |
| 151 | if (ret) |
| 152 | return ret; |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 153 | |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 154 | ret = algo->hash_init(algo, &ctx); |
| 155 | if (ret) |
| 156 | return ret; |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 157 | |
Ruchika Gupta | b37b46f | 2015-01-23 16:01:59 +0530 | [diff] [blame] | 158 | for (i = 0; i < region_count - 1; i++) { |
| 159 | ret = algo->hash_update(algo, ctx, region[i].data, |
| 160 | region[i].size, 0); |
| 161 | if (ret) |
| 162 | return ret; |
| 163 | } |
| 164 | |
| 165 | ret = algo->hash_update(algo, ctx, region[i].data, region[i].size, 1); |
| 166 | if (ret) |
| 167 | return ret; |
| 168 | ret = algo->hash_finish(algo, ctx, checksum, algo->digest_size); |
| 169 | if (ret) |
| 170 | return ret; |
| 171 | |
| 172 | return 0; |
Heiko Schocher | 646257d | 2014-03-03 12:19:26 +0100 | [diff] [blame] | 173 | } |