1 /*
2 * Test driver for key agreement functions.
3 */
4 /* Copyright The Mbed TLS Contributors
5 * SPDX-License-Identifier: Apache-2.0
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
8 * not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 #include <test/helpers.h>
21
22 #if defined(MBEDTLS_PSA_CRYPTO_DRIVERS) && defined(PSA_CRYPTO_DRIVER_TEST)
23
24 #include "psa/crypto.h"
25 #include "psa_crypto_core.h"
26 #include "psa_crypto_ecp.h"
27
28 #include "test/drivers/key_agreement.h"
29 #include "test/drivers/test_driver.h"
30
31 #include <string.h>
32
33 #if defined(MBEDTLS_TEST_LIBTESTDRIVER1)
34 #include "libtestdriver1/include/psa/crypto.h"
35 #include "libtestdriver1/library/psa_crypto_ecp.h"
36 #endif
37
38 mbedtls_test_driver_key_agreement_hooks_t
39 mbedtls_test_driver_key_agreement_hooks = MBEDTLS_TEST_DRIVER_KEY_AGREEMENT_INIT;
40
mbedtls_test_transparent_key_agreement(const psa_key_attributes_t * attributes,const uint8_t * key_buffer,size_t key_buffer_size,psa_algorithm_t alg,const uint8_t * peer_key,size_t peer_key_length,uint8_t * shared_secret,size_t shared_secret_size,size_t * shared_secret_length)41 psa_status_t mbedtls_test_transparent_key_agreement(
42 const psa_key_attributes_t *attributes,
43 const uint8_t *key_buffer,
44 size_t key_buffer_size,
45 psa_algorithm_t alg,
46 const uint8_t *peer_key,
47 size_t peer_key_length,
48 uint8_t *shared_secret,
49 size_t shared_secret_size,
50 size_t *shared_secret_length)
51 {
52 mbedtls_test_driver_key_agreement_hooks.hits++;
53
54 if (mbedtls_test_driver_key_agreement_hooks.forced_status != PSA_SUCCESS) {
55 return mbedtls_test_driver_key_agreement_hooks.forced_status;
56 }
57
58 if (mbedtls_test_driver_key_agreement_hooks.forced_output != NULL) {
59 if (mbedtls_test_driver_key_agreement_hooks.forced_output_length > shared_secret_size) {
60 return PSA_ERROR_BUFFER_TOO_SMALL;
61 }
62
63 memcpy(shared_secret, mbedtls_test_driver_key_agreement_hooks.forced_output,
64 mbedtls_test_driver_key_agreement_hooks.forced_output_length);
65 *shared_secret_length = mbedtls_test_driver_key_agreement_hooks.forced_output_length;
66
67 return PSA_SUCCESS;
68 }
69
70 if (PSA_ALG_IS_ECDH(alg)) {
71 #if (defined(MBEDTLS_TEST_LIBTESTDRIVER1) && \
72 defined(LIBTESTDRIVER1_MBEDTLS_PSA_BUILTIN_ALG_ECDH))
73 return libtestdriver1_mbedtls_psa_key_agreement_ecdh(
74 (const libtestdriver1_psa_key_attributes_t *) attributes,
75 key_buffer, key_buffer_size,
76 alg, peer_key, peer_key_length,
77 shared_secret, shared_secret_size,
78 shared_secret_length);
79 #elif defined(MBEDTLS_PSA_BUILTIN_ALG_ECDH)
80 return mbedtls_psa_key_agreement_ecdh(
81 attributes,
82 key_buffer, key_buffer_size,
83 alg, peer_key, peer_key_length,
84 shared_secret, shared_secret_size,
85 shared_secret_length);
86 #else
87 (void) attributes;
88 (void) key_buffer;
89 (void) key_buffer_size;
90 (void) peer_key;
91 (void) peer_key_length;
92 (void) shared_secret;
93 (void) shared_secret_size;
94 (void) shared_secret_length;
95 return PSA_ERROR_NOT_SUPPORTED;
96 #endif
97 } else {
98 return PSA_ERROR_INVALID_ARGUMENT;
99 }
100
101 }
102
mbedtls_test_opaque_key_agreement(const psa_key_attributes_t * attributes,const uint8_t * key_buffer,size_t key_buffer_size,psa_algorithm_t alg,const uint8_t * peer_key,size_t peer_key_length,uint8_t * shared_secret,size_t shared_secret_size,size_t * shared_secret_length)103 psa_status_t mbedtls_test_opaque_key_agreement(
104 const psa_key_attributes_t *attributes,
105 const uint8_t *key_buffer,
106 size_t key_buffer_size,
107 psa_algorithm_t alg,
108 const uint8_t *peer_key,
109 size_t peer_key_length,
110 uint8_t *shared_secret,
111 size_t shared_secret_size,
112 size_t *shared_secret_length)
113 {
114 (void) attributes;
115 (void) key_buffer;
116 (void) key_buffer_size;
117 (void) alg;
118 (void) peer_key;
119 (void) peer_key_length;
120 (void) shared_secret;
121 (void) shared_secret_size;
122 (void) shared_secret_length;
123 return PSA_ERROR_NOT_SUPPORTED;
124 }
125
126 #endif /* MBEDTLS_PSA_CRYPTO_DRIVERS && PSA_CRYPTO_DRIVER_TEST */
127
