AKASHI Takahiro | d090b39 | 2020-02-21 15:13:00 +0900 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (c) 2019 Linaro Limited |
| 4 | * Author: AKASHI Takahiro |
| 5 | * |
| 6 | * Unit test for rsa_verify() function |
| 7 | */ |
| 8 | |
| 9 | #include <common.h> |
| 10 | #include <command.h> |
| 11 | #include <image.h> |
| 12 | #include <test/lib.h> |
| 13 | #include <test/test.h> |
| 14 | #include <test/ut.h> |
| 15 | #include <u-boot/rsa.h> |
| 16 | |
| 17 | #ifdef CONFIG_RSA_VERIFY_WITH_PKEY |
| 18 | /* |
| 19 | * openssl genrsa 2048 -out private.pem |
| 20 | * openssl rsa -in private.pem -pubout -outform der -out public.der |
| 21 | * dd if=public.der of=public.raw bs=24 skip=1 |
| 22 | */ |
| 23 | static unsigned char public_key[] = { |
| 24 | 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xca, 0x25, 0x23, |
| 25 | 0xe0, 0x0a, 0x4d, 0x8f, 0x56, 0xfc, 0xc9, 0x06, 0x4c, 0xcc, 0x94, 0x43, |
| 26 | 0xe0, 0x56, 0x44, 0x6e, 0x37, 0x54, 0x87, 0x12, 0x84, 0xf9, 0x07, 0x4f, |
| 27 | 0xe4, 0x23, 0x40, 0xc3, 0x43, 0x84, 0x37, 0x86, 0xd3, 0x9d, 0x95, 0x1c, |
| 28 | 0xe4, 0x8a, 0x66, 0x02, 0x09, 0xe2, 0x3d, 0xce, 0x2c, 0xc6, 0x02, 0x6a, |
| 29 | 0xd4, 0x65, 0x61, 0xff, 0x85, 0x6f, 0x88, 0x63, 0xba, 0x31, 0x62, 0x1e, |
| 30 | 0xb7, 0x95, 0xe9, 0x08, 0x3c, 0xe9, 0x35, 0xde, 0xfd, 0x65, 0x92, 0xb8, |
| 31 | 0x9e, 0x71, 0xa4, 0xcd, 0x47, 0xfd, 0x04, 0x26, 0xb9, 0x78, 0xbf, 0x05, |
| 32 | 0x0d, 0xfc, 0x00, 0x84, 0x08, 0xfc, 0xc4, 0x4b, 0xea, 0xf5, 0x97, 0x68, |
| 33 | 0x0d, 0x97, 0xd7, 0xff, 0x4f, 0x92, 0x82, 0xd7, 0xbb, 0xef, 0xb7, 0x67, |
| 34 | 0x8e, 0x72, 0x54, 0xe8, 0xc5, 0x9e, 0xfd, 0xd8, 0x38, 0xe9, 0xbe, 0x19, |
| 35 | 0x37, 0x5b, 0x36, 0x8b, 0xbf, 0x49, 0xa1, 0x59, 0x3a, 0x9d, 0xad, 0x92, |
| 36 | 0x08, 0x0b, 0xe3, 0xa4, 0xa4, 0x7d, 0xd3, 0x70, 0xc0, 0xb8, 0xfb, 0xc7, |
| 37 | 0xda, 0xd3, 0x19, 0x86, 0x37, 0x9a, 0xcd, 0xab, 0x30, 0x96, 0xab, 0xa4, |
| 38 | 0xa2, 0x31, 0xa0, 0x38, 0xfb, 0xbf, 0x85, 0xd3, 0x24, 0x39, 0xed, 0xbf, |
| 39 | 0xe1, 0x31, 0xed, 0x6c, 0x39, 0xc1, 0xe5, 0x05, 0x2e, 0x12, 0x30, 0x36, |
| 40 | 0x73, 0x5d, 0x62, 0xf3, 0x82, 0xaf, 0x38, 0xc8, 0xca, 0xfa, 0xa1, 0x99, |
| 41 | 0x57, 0x3c, 0xe1, 0xc1, 0x7b, 0x05, 0x0b, 0xcc, 0x2e, 0xa9, 0x10, 0xc8, |
| 42 | 0x68, 0xbd, 0x27, 0xb6, 0x19, 0x9c, 0xd2, 0xad, 0xb3, 0x1f, 0xca, 0x35, |
| 43 | 0x6e, 0x84, 0x23, 0xa1, 0xe9, 0xa4, 0x4c, 0xab, 0x19, 0x09, 0x79, 0x6e, |
| 44 | 0x3c, 0x7b, 0x74, 0xfc, 0x33, 0x05, 0xcf, 0xa4, 0x2e, 0xeb, 0x55, 0x60, |
| 45 | 0x05, 0xc7, 0xcf, 0x3f, 0x92, 0xac, 0x2d, 0x69, 0x0b, 0x19, 0x16, 0x79, |
| 46 | 0x75, 0x02, 0x03, 0x01, 0x00, 0x01 |
| 47 | }; |
| 48 | |
| 49 | static unsigned int public_key_len = 270; |
| 50 | |
| 51 | /* |
| 52 | * dd if=/dev/urandom of=data.raw bs=512 count=1 |
| 53 | */ |
| 54 | static unsigned char data_raw[] = { |
| 55 | 0x3e, 0x48, 0x6e, 0xef, 0x83, 0xd1, 0x4c, 0xfd, 0x92, 0x47, 0x92, 0xd7, |
| 56 | 0xf6, 0x16, 0x25, 0x0a, 0xdf, 0xe2, 0xb6, 0x6c, 0xe7, 0xe0, 0x55, 0xb2, |
| 57 | 0x70, 0x66, 0xf0, 0xe5, 0xdc, 0xaf, 0xd3, 0x2e, 0xc1, 0x3e, 0x5c, 0x4b, |
| 58 | 0xb5, 0xa7, 0x23, 0x1f, 0x2c, 0xce, 0xf8, 0x83, 0x00, 0x6d, 0xeb, 0xdd, |
| 59 | 0x19, 0x71, 0x13, 0xb4, 0xae, 0x5c, 0xa8, 0xae, 0x52, 0xc8, 0xe1, 0x77, |
| 60 | 0x9e, 0x98, 0x75, 0xbc, 0xef, 0x36, 0x9f, 0x0c, 0x14, 0xed, 0x1a, 0x0a, |
| 61 | 0x4f, 0x6c, 0xa4, 0xb1, 0xbb, 0x0e, 0x43, 0x93, 0x12, 0xfc, 0x2e, 0x82, |
| 62 | 0x93, 0x4e, 0xcb, 0xa2, 0xcd, 0x59, 0x3f, 0xc5, 0x11, 0x38, 0x3a, 0x88, |
| 63 | 0xc3, 0xcf, 0xf9, 0x61, 0xa8, 0x9e, 0x96, 0xb6, 0xbf, 0xa6, 0x5b, 0x0d, |
| 64 | 0xd9, 0xbd, 0x05, 0x4c, 0xbe, 0xed, 0x86, 0xca, 0x10, 0x63, 0x72, 0x75, |
| 65 | 0x4b, 0xbd, 0x86, 0x42, 0x30, 0x9d, 0x54, 0x4e, 0x12, 0xda, 0xf4, 0xb4, |
| 66 | 0xfd, 0xd9, 0x54, 0x95, 0x8f, 0x83, 0xc2, 0x63, 0x44, 0xdd, 0x96, 0x1a, |
| 67 | 0xd0, 0x7c, 0xcf, 0xcb, 0x16, 0xd6, 0xff, 0xa3, 0xbb, 0xeb, 0x24, 0x06, |
| 68 | 0xbf, 0x81, 0xd0, 0x29, 0x76, 0x19, 0x66, 0x84, 0xfc, 0x49, 0xde, 0x7b, |
| 69 | 0x5d, 0xd2, 0x27, 0x58, 0x21, 0x7b, 0xff, 0x4d, 0x64, 0xf3, 0x89, 0xe3, |
| 70 | 0xea, 0xb6, 0x54, 0x4e, 0xb1, 0x62, 0x52, 0x89, 0xe3, 0x22, 0xf2, 0x26, |
| 71 | 0x3e, 0x4f, 0x43, 0x58, 0x78, 0x91, 0x55, 0xbc, 0x1e, 0xd6, 0x97, 0xfc, |
| 72 | 0x0b, 0x85, 0x4c, 0x92, 0x9c, 0xbf, 0xc4, 0xb1, 0x62, 0x93, 0x27, 0xa9, |
| 73 | 0xb2, 0xf4, 0xb4, 0x7a, 0xfb, 0x56, 0xe5, 0x8f, 0xe1, 0x94, 0x4d, 0xfd, |
| 74 | 0xe4, 0x72, 0x8d, 0xa9, 0x71, 0x65, 0xcb, 0x2e, 0x6d, 0x39, 0xd5, 0x95, |
| 75 | 0xe7, 0x3f, 0xab, 0xaa, 0x7a, 0x74, 0x84, 0x25, 0x4b, 0x42, 0x1e, 0xd3, |
| 76 | 0x86, 0xca, 0x47, 0x4a, 0xf0, 0x24, 0x81, 0x24, 0xb0, 0xe1, 0xbb, 0x6c, |
| 77 | 0x3f, 0x2a, 0xa0, 0xb8, 0xeb, 0xd6, 0x01, 0xce, 0x63, 0x51, 0xe1, 0x81, |
| 78 | 0xd2, 0x32, 0x43, 0x56, 0x44, 0x4a, 0x6b, 0x51, 0x24, 0xa2, 0xc7, 0x39, |
| 79 | 0x7c, 0x54, 0xda, 0xf8, 0xd4, 0x93, 0x7c, 0x8e, 0x4e, 0x9d, 0x15, 0x08, |
| 80 | 0xce, 0x27, 0xd8, 0x28, 0xb0, 0x5b, 0x75, 0x32, 0x43, 0xe8, 0xd6, 0xbf, |
| 81 | 0x12, 0xd5, 0xc5, 0x12, 0x8e, 0xeb, 0x77, 0x8f, 0x00, 0xde, 0x45, 0x1e, |
| 82 | 0xdd, 0xf3, 0xef, 0x43, 0x99, 0x79, 0x86, 0xea, 0x01, 0xce, 0xf2, 0x4d, |
| 83 | 0xa0, 0xfe, 0x5a, 0x55, 0xc0, 0x1f, 0xce, 0xe8, 0xbe, 0xc2, 0x66, 0xdb, |
| 84 | 0xcb, 0x3f, 0xa5, 0x48, 0xa1, 0xe2, 0x49, 0xa1, 0x29, 0x65, 0x5b, 0x62, |
| 85 | 0x39, 0xcc, 0xef, 0xbe, 0x86, 0xb7, 0xe3, 0x44, 0x67, 0x04, 0x04, 0xb1, |
| 86 | 0xec, 0xd8, 0xb2, 0xb2, 0x38, 0xbc, 0x10, 0xea, 0x7a, 0x0e, 0xa4, 0xa4, |
| 87 | 0xcb, 0x21, 0xd9, 0xc7, 0xb4, 0x0b, 0xb8, 0x39, 0xb4, 0x07, 0x53, 0x3f, |
| 88 | 0xb9, 0x55, 0x55, 0xa1, 0x6f, 0x11, 0x49, 0xc0, 0x94, 0x77, 0xaf, 0x76, |
| 89 | 0x97, 0x7f, 0x31, 0x08, 0xdd, 0x72, 0x48, 0x72, 0xf8, 0x11, 0x4f, 0x69, |
| 90 | 0x10, 0xef, 0x23, 0x06, 0xf3, 0x34, 0xac, 0xee, 0x97, 0x89, 0x41, 0x1c, |
| 91 | 0x36, 0x38, 0xb1, 0x80, 0x96, 0x7a, 0x9e, 0x72, 0xab, 0x25, 0xeb, 0xce, |
| 92 | 0x7b, 0xb8, 0x5d, 0xc8, 0xef, 0xa4, 0x73, 0xa1, 0xa6, 0x8f, 0x01, 0x54, |
| 93 | 0xce, 0x58, 0x19, 0xe5, 0x7e, 0xfa, 0x77, 0x08, 0x9d, 0x53, 0xc1, 0xcc, |
| 94 | 0x08, 0xe8, 0x1d, 0xe0, 0x82, 0x5e, 0xe1, 0xe6, 0xbd, 0xbb, 0x59, 0x7e, |
| 95 | 0x12, 0x9c, 0x39, 0x60, 0x23, 0xf7, 0xbe, 0x0a, 0x7c, 0x48, 0x12, 0xa0, |
| 96 | 0x84, 0x04, 0x3f, 0xa1, 0x6e, 0x92, 0xcd, 0xa0, 0xac, 0xee, 0x0b, 0xbc, |
| 97 | 0x18, 0x30, 0x28, 0xbd, 0xf5, 0xfa, 0x3a, 0x35 |
| 98 | }; |
| 99 | |
| 100 | static unsigned int data_raw_len = 512; |
| 101 | |
| 102 | /* |
| 103 | * openssl dgst -sha256 -sign private.key -out data.enc data.raw |
| 104 | */ |
| 105 | unsigned char data_enc[] = { |
| 106 | 0xa7, 0x4a, 0x12, 0x8f, 0xee, 0x65, 0x4b, 0xcd, 0x88, 0xca, 0x4d, 0xed, |
| 107 | 0xe3, 0x04, 0xe7, 0x7c, 0x59, 0xbf, 0x2f, 0xad, 0x95, 0x73, 0x5b, 0x2c, |
| 108 | 0x4e, 0xb5, 0xda, 0x5e, 0x3a, 0x6d, 0xb4, 0xc5, 0x84, 0x0c, 0xd2, 0x4a, |
| 109 | 0x62, 0x0d, 0x5f, 0xba, 0x10, 0xee, 0xb1, 0x2a, 0xe1, 0xfe, 0x50, 0x18, |
| 110 | 0x97, 0xcc, 0xea, 0x26, 0x62, 0x33, 0x5a, 0x1d, 0x51, 0x38, 0x52, 0x89, |
| 111 | 0x4d, 0xa7, 0x18, 0xff, 0xa6, 0xc8, 0xd4, 0x7a, 0xc0, 0xa6, 0x22, 0xdf, |
| 112 | 0x41, 0x89, 0x93, 0x9b, 0xe7, 0x9e, 0xc1, 0xc8, 0x80, 0xda, 0x1a, 0x3f, |
| 113 | 0xa4, 0x7a, 0xd0, 0x07, 0xcb, 0x5c, 0xa4, 0x75, 0x12, 0x54, 0x78, 0x67, |
| 114 | 0xbf, 0xe6, 0xae, 0x1e, 0x56, 0x33, 0x9e, 0xe0, 0x6e, 0x33, 0xa7, 0x58, |
| 115 | 0xb0, 0x47, 0x49, 0xa8, 0x37, 0xdb, 0x82, 0x4b, 0xbd, 0x32, 0x9c, 0xdc, |
| 116 | 0xf4, 0x67, 0x17, 0x24, 0x55, 0xfd, 0x83, 0x1e, 0xc8, 0xb4, 0x5c, 0xf9, |
| 117 | 0x15, 0x6c, 0x5e, 0xaa, 0x72, 0x03, 0x9e, 0x7c, 0x17, 0xf5, 0x7c, 0x37, |
| 118 | 0x96, 0x00, 0xb0, 0xd8, 0xaa, 0x05, 0xfa, 0xaa, 0xa1, 0x78, 0x77, 0xd5, |
| 119 | 0x09, 0xdd, 0x05, 0xc7, 0xe2, 0x9f, 0x68, 0xc7, 0xf8, 0xfb, 0x0b, 0x6f, |
| 120 | 0x18, 0x1e, 0xcc, 0x93, 0xd3, 0x3f, 0xc9, 0x26, 0x29, 0x64, 0xe7, 0x15, |
| 121 | 0xdc, 0xb8, 0x19, 0x10, 0x24, 0x55, 0x55, 0x3b, 0x79, 0xa1, 0x65, 0x12, |
| 122 | 0xe0, 0x0b, 0x88, 0x44, 0x4c, 0xea, 0x85, 0x5a, 0x6b, 0x2d, 0x45, 0x6e, |
| 123 | 0xe7, 0x83, 0x6f, 0x3a, 0xaa, 0x1e, 0xf1, 0x9c, 0x8f, 0xdc, 0xb9, 0x37, |
| 124 | 0xa2, 0x15, 0x61, 0x93, 0x06, 0x23, 0xf5, 0xfe, 0xf0, 0xf8, 0x2b, 0xf7, |
| 125 | 0xc0, 0x68, 0x67, 0xf6, 0x4e, 0x08, 0x0d, 0x0d, 0x08, 0xbe, 0xfb, 0x2c, |
| 126 | 0x4c, 0xe7, 0xd7, 0x1a, 0xad, 0xd9, 0x98, 0xa1, 0x8d, 0x94, 0x1c, 0xd1, |
| 127 | 0x89, 0x06, 0xc9, 0x3a |
| 128 | }; |
| 129 | |
| 130 | static unsigned int data_enc_len = 256; |
| 131 | |
| 132 | /** |
| 133 | * lib_rsa_verify_valid() - unit test for rsa_verify() |
| 134 | * |
| 135 | * Test rsa_verify() with valid hash |
| 136 | * |
| 137 | * @uts: unit test state |
| 138 | * Return: 0 = success, 1 = failure |
| 139 | */ |
| 140 | static int lib_rsa_verify_valid(struct unit_test_state *uts) |
| 141 | { |
| 142 | struct image_sign_info info; |
| 143 | struct image_region reg; |
| 144 | int ret; |
| 145 | |
| 146 | memset(&info, '\0', sizeof(info)); |
| 147 | info.name = "sha256,rsa2048"; |
| 148 | info.padding = image_get_padding_algo("pkcs-1.5"); |
| 149 | info.checksum = image_get_checksum_algo("sha256,rsa2048"); |
| 150 | info.crypto = image_get_crypto_algo(info.name); |
| 151 | |
| 152 | info.key = public_key; |
| 153 | info.keylen = public_key_len; |
| 154 | |
| 155 | reg.data = data_raw; |
| 156 | reg.size = data_raw_len; |
| 157 | ret = rsa_verify(&info, ®, 1, data_enc, data_enc_len); |
| 158 | ut_assertf(ret == 0, "verification unexpectedly failed (%d)\n", ret); |
| 159 | |
| 160 | return CMD_RET_SUCCESS; |
| 161 | } |
| 162 | |
| 163 | LIB_TEST(lib_rsa_verify_valid, 0); |
| 164 | |
| 165 | /** |
| 166 | * lib_rsa_verify_invalid() - unit test for rsa_verify() |
| 167 | * |
| 168 | * Test rsa_verify() with invalid hash |
| 169 | * |
| 170 | * @uts: unit test state |
| 171 | * Return: 0 = success, 1 = failure |
| 172 | */ |
| 173 | static int lib_rsa_verify_invalid(struct unit_test_state *uts) |
| 174 | { |
| 175 | struct image_sign_info info; |
| 176 | struct image_region reg; |
| 177 | unsigned char ctmp; |
| 178 | int ret; |
| 179 | |
| 180 | memset(&info, '\0', sizeof(info)); |
| 181 | info.name = "sha256,rsa2048"; |
| 182 | info.padding = image_get_padding_algo("pkcs-1.5"); |
| 183 | info.checksum = image_get_checksum_algo("sha256,rsa2048"); |
| 184 | info.crypto = image_get_crypto_algo(info.name); |
| 185 | |
| 186 | info.key = public_key; |
| 187 | info.keylen = public_key_len; |
| 188 | |
| 189 | /* randomly corrupt enc'ed data */ |
| 190 | ctmp = data_enc[data_enc_len - 10]; |
| 191 | data_enc[data_enc_len - 10] = 0x12; |
| 192 | |
| 193 | reg.data = data_raw; |
| 194 | reg.size = data_raw_len; |
| 195 | ret = rsa_verify(&info, ®, 1, data_enc, data_enc_len); |
| 196 | |
| 197 | /* revert a change */ |
| 198 | data_enc[data_enc_len - 10] = ctmp; |
| 199 | |
| 200 | ut_assertf(ret != 0, "verification unexpectedly succeeded\n"); |
| 201 | |
| 202 | return CMD_RET_SUCCESS; |
| 203 | } |
| 204 | |
| 205 | LIB_TEST(lib_rsa_verify_invalid, 0); |
| 206 | #endif /* RSA_VERIFY_WITH_PKEY */ |