1 /*
2  * Copyright (c) 2020 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *    http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef __PAKE_CLIENT_H__
17 #define __PAKE_CLIENT_H__
18 
19 #include "hichain.h"
20 #include "base.h"
21 
22 #if !(defined(_CUT_PAKE_) || defined(_CUT_PAKE_CLIENT_))
23 
24 #include "pake_server.h"
25 #include "key_agreement_client.h"
26 
27 struct pake_client {
28     struct key_agreement_client client_info;
29     uint32_t key_length;
30     struct hc_pin pin;
31     struct hc_salt salt;
32     struct hc_auth_id self_id;
33     struct hc_auth_id peer_id;
34     struct challenge self_challenge;
35     struct challenge peer_challenge;
36     struct esk self_esk;
37     struct pake_session_key session_key;
38     struct pake_hmac_key hmac_key;
39     struct hc_session_key service_key;
40     enum large_prime_number_type prime_type;
41     struct epk self_epk;
42     struct epk peer_epk;
43     struct pake_shared_secret shared_secret;
44     struct hmac kcf_data;
45     const struct session_identity *identity;
46     int32_t operation_code;
47 };
48 
pake_client_sn(struct pake_client * client)49 static inline uint32_t pake_client_sn(struct pake_client *client)
50 {
51     return client->client_info.protocol_base_info.sn;
52 }
53 
54 int32_t send_pake_start_request(struct pake_client *pake_client, struct message *send);
55 int32_t send_pake_end_request(struct pake_client *pake_client, const struct message *receive, struct message *send);
56 int32_t receive_pake_end_response(struct pake_client *pake_client, struct message *receive);
57 
58 #else /* _CUT_XXX_ */
59 
60 struct pake_client {
61     char rsv;
62 };
63 
64 #endif /* _CUT_XXX_ */
65 
66 struct pake_client *build_pake_client(const struct session_identity *identity, const struct hc_pin *pin,
67     uint32_t key_length, const struct hc_auth_id *client, const struct hc_auth_id *server);
68 void destroy_pake_client(struct pake_client *pake_client);
69 
70 #endif /* __PAKE_CLIENT_H__ */
71