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1/* BEGIN_HEADER */
2#include "mbedtls/ecjpake.h"
3#include "mbedtls/legacy_or_psa.h"
4
5#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) && defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA)
6static const unsigned char ecjpake_test_x1[] = {
7    0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
8    0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
9    0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x21
10};
11
12static const unsigned char ecjpake_test_x2[] = {
13    0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c,
14    0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
15    0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x81
16};
17
18static const unsigned char ecjpake_test_x3[] = {
19    0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c,
20    0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
21    0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x81
22};
23
24static const unsigned char ecjpake_test_x4[] = {
25    0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc,
26    0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8,
27    0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe1
28};
29
30static const unsigned char ecjpake_test_X1[] = {
31    0x04, 0xac, 0xcf, 0x01, 0x06, 0xef, 0x85, 0x8f, 0xa2, 0xd9, 0x19, 0x33,
32    0x13, 0x46, 0x80, 0x5a, 0x78, 0xb5, 0x8b, 0xba, 0xd0, 0xb8, 0x44, 0xe5,
33    0xc7, 0x89, 0x28, 0x79, 0x14, 0x61, 0x87, 0xdd, 0x26, 0x66, 0xad, 0xa7,
34    0x81, 0xbb, 0x7f, 0x11, 0x13, 0x72, 0x25, 0x1a, 0x89, 0x10, 0x62, 0x1f,
35    0x63, 0x4d, 0xf1, 0x28, 0xac, 0x48, 0xe3, 0x81, 0xfd, 0x6e, 0xf9, 0x06,
36    0x07, 0x31, 0xf6, 0x94, 0xa4
37};
38
39static const unsigned char ecjpake_test_X2[] = {
40    0x04, 0x7e, 0xa6, 0xe3, 0xa4, 0x48, 0x70, 0x37, 0xa9, 0xe0, 0xdb, 0xd7,
41    0x92, 0x62, 0xb2, 0xcc, 0x27, 0x3e, 0x77, 0x99, 0x30, 0xfc, 0x18, 0x40,
42    0x9a, 0xc5, 0x36, 0x1c, 0x5f, 0xe6, 0x69, 0xd7, 0x02, 0xe1, 0x47, 0x79,
43    0x0a, 0xeb, 0x4c, 0xe7, 0xfd, 0x65, 0x75, 0xab, 0x0f, 0x6c, 0x7f, 0xd1,
44    0xc3, 0x35, 0x93, 0x9a, 0xa8, 0x63, 0xba, 0x37, 0xec, 0x91, 0xb7, 0xe3,
45    0x2b, 0xb0, 0x13, 0xbb, 0x2b
46};
47
48static const unsigned char ecjpake_test_X3[] = {
49    0x04, 0x7e, 0xa6, 0xe3, 0xa4, 0x48, 0x70, 0x37, 0xa9, 0xe0, 0xdb, 0xd7,
50    0x92, 0x62, 0xb2, 0xcc, 0x27, 0x3e, 0x77, 0x99, 0x30, 0xfc, 0x18, 0x40,
51    0x9a, 0xc5, 0x36, 0x1c, 0x5f, 0xe6, 0x69, 0xd7, 0x02, 0xe1, 0x47, 0x79,
52    0x0a, 0xeb, 0x4c, 0xe7, 0xfd, 0x65, 0x75, 0xab, 0x0f, 0x6c, 0x7f, 0xd1,
53    0xc3, 0x35, 0x93, 0x9a, 0xa8, 0x63, 0xba, 0x37, 0xec, 0x91, 0xb7, 0xe3,
54    0x2b, 0xb0, 0x13, 0xbb, 0x2b
55};
56
57static const unsigned char ecjpake_test_X4[] = {
58    0x04, 0x19, 0x0a, 0x07, 0x70, 0x0f, 0xfa, 0x4b, 0xe6, 0xae, 0x1d, 0x79,
59    0xee, 0x0f, 0x06, 0xae, 0xb5, 0x44, 0xcd, 0x5a, 0xdd, 0xaa, 0xbe, 0xdf,
60    0x70, 0xf8, 0x62, 0x33, 0x21, 0x33, 0x2c, 0x54, 0xf3, 0x55, 0xf0, 0xfb,
61    0xfe, 0xc7, 0x83, 0xed, 0x35, 0x9e, 0x5d, 0x0b, 0xf7, 0x37, 0x7a, 0x0f,
62    0xc4, 0xea, 0x7a, 0xce, 0x47, 0x3c, 0x9c, 0x11, 0x2b, 0x41, 0xcc, 0xd4,
63    0x1a, 0xc5, 0x6a, 0x56, 0x12
64};
65
66/* Load my private and public keys, and peer's public keys */
67static int ecjpake_test_load(mbedtls_ecjpake_context *ctx,
68                             const unsigned char *xm1, size_t len_xm1,
69                             const unsigned char *xm2, size_t len_xm2,
70                             const unsigned char *Xm1, size_t len_Xm1,
71                             const unsigned char *Xm2, size_t len_Xm2,
72                             const unsigned char *Xp1, size_t len_Xp1,
73                             const unsigned char *Xp2, size_t len_Xp2)
74{
75    int ret;
76
77    MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&ctx->xm1, xm1, len_xm1));
78    MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&ctx->xm2, xm2, len_xm2));
79
80    MBEDTLS_MPI_CHK(mbedtls_ecp_point_read_binary(&ctx->grp,
81                                                  &ctx->Xm1, Xm1, len_Xm1));
82    MBEDTLS_MPI_CHK(mbedtls_ecp_point_read_binary(&ctx->grp,
83                                                  &ctx->Xm2, Xm2, len_Xm2));
84    MBEDTLS_MPI_CHK(mbedtls_ecp_point_read_binary(&ctx->grp,
85                                                  &ctx->Xp1, Xp1, len_Xp1));
86    MBEDTLS_MPI_CHK(mbedtls_ecp_point_read_binary(&ctx->grp,
87                                                  &ctx->Xp2, Xp2, len_Xp2));
88
89cleanup:
90    return ret;
91}
92
93#define ADD_SIZE(x)   x, sizeof(x)
94#endif /* MBEDTLS_ECP_DP_SECP256R1_ENABLED && MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA */
95/* END_HEADER */
96
97/* BEGIN_DEPENDENCIES
98 * depends_on:MBEDTLS_ECJPAKE_C
99 * END_DEPENDENCIES
100 */
101
102/* BEGIN_CASE */
103void ecjpake_invalid_param()
104{
105    mbedtls_ecjpake_context ctx;
106    unsigned char buf[42] = { 0 };
107    size_t const len = sizeof(buf);
108    mbedtls_ecjpake_role invalid_role = (mbedtls_ecjpake_role) 42;
109    mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256;
110    mbedtls_ecp_group_id valid_group = MBEDTLS_ECP_DP_SECP256R1;
111
112    mbedtls_ecjpake_init(&ctx);
113
114    TEST_EQUAL(MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
115               mbedtls_ecjpake_setup(&ctx,
116                                     invalid_role,
117                                     valid_md,
118                                     valid_group,
119                                     buf, len));
120exit:
121    return;
122}
123/* END_CASE */
124
125/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
126void ecjpake_selftest()
127{
128    TEST_ASSERT(mbedtls_ecjpake_self_test(1) == 0);
129}
130/* END_CASE */
131
132/* BEGIN_CASE depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA */
133void read_bad_md(data_t *msg)
134{
135    mbedtls_ecjpake_context corrupt_ctx;
136    const unsigned char *pw = NULL;
137    const size_t pw_len = 0;
138    int any_role = MBEDTLS_ECJPAKE_CLIENT;
139
140    mbedtls_ecjpake_init(&corrupt_ctx);
141    TEST_ASSERT(mbedtls_ecjpake_setup(&corrupt_ctx, any_role,
142                                      MBEDTLS_MD_SHA256, MBEDTLS_ECP_DP_SECP256R1, pw,
143                                      pw_len) == 0);
144    corrupt_ctx.md_type = MBEDTLS_MD_NONE;
145
146    TEST_EQUAL(mbedtls_ecjpake_read_round_one(&corrupt_ctx, msg->x,
147                                              msg->len), MBEDTLS_ERR_MD_BAD_INPUT_DATA);
148
149exit:
150    mbedtls_ecjpake_free(&corrupt_ctx);
151}
152/* END_CASE */
153
154/* BEGIN_CASE depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA */
155void read_round_one(int role, data_t *msg, int ref_ret)
156{
157    mbedtls_ecjpake_context ctx;
158    const unsigned char *pw = NULL;
159    const size_t pw_len = 0;
160
161    mbedtls_ecjpake_init(&ctx);
162
163    TEST_ASSERT(mbedtls_ecjpake_setup(&ctx, role,
164                                      MBEDTLS_MD_SHA256, MBEDTLS_ECP_DP_SECP256R1, pw,
165                                      pw_len) == 0);
166
167    TEST_ASSERT(mbedtls_ecjpake_read_round_one(&ctx, msg->x, msg->len) == ref_ret);
168
169exit:
170    mbedtls_ecjpake_free(&ctx);
171}
172/* END_CASE */
173
174/* BEGIN_CASE depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA */
175void read_round_two_cli(data_t *msg, int ref_ret)
176{
177    mbedtls_ecjpake_context ctx;
178    const unsigned char *pw = NULL;
179    const size_t pw_len = 0;
180
181    mbedtls_ecjpake_init(&ctx);
182
183    TEST_ASSERT(mbedtls_ecjpake_setup(&ctx, MBEDTLS_ECJPAKE_CLIENT,
184                                      MBEDTLS_MD_SHA256, MBEDTLS_ECP_DP_SECP256R1, pw,
185                                      pw_len) == 0);
186
187    TEST_ASSERT(ecjpake_test_load(&ctx,
188                                  ADD_SIZE(ecjpake_test_x1), ADD_SIZE(ecjpake_test_x2),
189                                  ADD_SIZE(ecjpake_test_X1), ADD_SIZE(ecjpake_test_X2),
190                                  ADD_SIZE(ecjpake_test_X3), ADD_SIZE(ecjpake_test_X4))
191                == 0);
192
193    TEST_ASSERT(mbedtls_ecjpake_read_round_two(&ctx, msg->x, msg->len) == ref_ret);
194
195exit:
196    mbedtls_ecjpake_free(&ctx);
197}
198/* END_CASE */
199
200/* BEGIN_CASE depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA */
201void read_round_two_srv(data_t *msg, int ref_ret)
202{
203    mbedtls_ecjpake_context ctx;
204    const unsigned char *pw = NULL;
205    const size_t pw_len = 0;
206
207    mbedtls_ecjpake_init(&ctx);
208
209    TEST_ASSERT(mbedtls_ecjpake_setup(&ctx, MBEDTLS_ECJPAKE_SERVER,
210                                      MBEDTLS_MD_SHA256, MBEDTLS_ECP_DP_SECP256R1, pw,
211                                      pw_len) == 0);
212
213    TEST_ASSERT(ecjpake_test_load(&ctx,
214                                  ADD_SIZE(ecjpake_test_x3), ADD_SIZE(ecjpake_test_x4),
215                                  ADD_SIZE(ecjpake_test_X3), ADD_SIZE(ecjpake_test_X4),
216                                  ADD_SIZE(ecjpake_test_X1), ADD_SIZE(ecjpake_test_X2))
217                == 0);
218
219    TEST_ASSERT(mbedtls_ecjpake_read_round_two(&ctx, msg->x, msg->len) == ref_ret);
220
221exit:
222    mbedtls_ecjpake_free(&ctx);
223}
224/* END_CASE */
225