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