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1 | /* |
2 | * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include <openssl/core_numbers.h> | |
11 | #include <openssl/pem.h> | |
12 | #include <openssl/dh.h> | |
13 | #include <openssl/types.h> | |
14 | #include <openssl/params.h> | |
15 | #include "prov/bio.h" | |
16 | #include "prov/implementations.h" | |
17 | #include "prov/providercommonerr.h" | |
18 | #include "serializer_local.h" | |
19 | ||
20 | static OSSL_OP_serializer_newctx_fn dh_param_newctx; | |
21 | static OSSL_OP_serializer_freectx_fn dh_param_freectx; | |
22 | static OSSL_OP_serializer_serialize_data_fn dh_param_der_data; | |
23 | static OSSL_OP_serializer_serialize_object_fn dh_param_der; | |
24 | static OSSL_OP_serializer_serialize_data_fn dh_param_pem_data; | |
25 | static OSSL_OP_serializer_serialize_object_fn dh_param_pem; | |
26 | ||
27 | static OSSL_OP_serializer_serialize_data_fn dh_param_print_data; | |
28 | static OSSL_OP_serializer_serialize_object_fn dh_param_print; | |
29 | ||
30 | /* Parameters : context */ | |
31 | ||
32 | /* | |
33 | * There's no specific implementation context, so we use the provider context | |
34 | */ | |
35 | static void *dh_param_newctx(void *provctx) | |
36 | { | |
37 | return provctx; | |
38 | } | |
39 | ||
40 | static void dh_param_freectx(void *ctx) | |
41 | { | |
42 | } | |
43 | ||
44 | /* Public key : DER */ | |
45 | static int dh_param_der_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
46 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
47 | { | |
32b0645c RL |
48 | OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
49 | OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
50 | OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
045e51cb RL |
51 | int ok = 0; |
52 | ||
32b0645c RL |
53 | if (dh_import != NULL) { |
54 | DH *dh; | |
045e51cb | 55 | |
32b0645c RL |
56 | /* ctx == provctx */ |
57 | if ((dh = dh_new(ctx)) != NULL | |
58 | && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
59 | && dh_param_der(ctx, dh, out, cb, cbarg)) | |
60 | ok = 1; | |
61 | dh_free(dh); | |
045e51cb RL |
62 | } |
63 | return ok; | |
64 | } | |
65 | ||
66 | static int dh_param_der(void *ctx, void *dh, BIO *out, | |
67 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
68 | { | |
69 | return i2d_DHparams_bio(out, dh); | |
70 | } | |
71 | ||
72 | /* Public key : PEM */ | |
73 | static int dh_param_pem_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
32b0645c | 74 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
045e51cb | 75 | { |
32b0645c RL |
76 | OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
77 | OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
78 | OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
045e51cb RL |
79 | int ok = 0; |
80 | ||
32b0645c RL |
81 | if (dh_import != NULL) { |
82 | DH *dh; | |
045e51cb | 83 | |
32b0645c RL |
84 | /* ctx == provctx */ |
85 | if ((dh = dh_new(ctx)) != NULL | |
86 | && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
87 | && dh_param_pem(ctx, dh, out, cb, cbarg)) | |
88 | ok = 1; | |
89 | dh_free(dh); | |
045e51cb RL |
90 | } |
91 | return ok; | |
92 | } | |
93 | ||
94 | static int dh_param_pem(void *ctx, void *dh, BIO *out, | |
95 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
96 | { | |
97 | return PEM_write_bio_DHparams(out, dh); | |
98 | } | |
99 | ||
100 | static int dh_param_print_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
32b0645c | 101 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
045e51cb | 102 | { |
32b0645c RL |
103 | OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
104 | OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
105 | OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
045e51cb RL |
106 | int ok = 0; |
107 | ||
32b0645c RL |
108 | if (dh_import != NULL) { |
109 | DH *dh; | |
045e51cb | 110 | |
32b0645c RL |
111 | /* ctx == provctx */ |
112 | if ((dh = dh_new(ctx)) != NULL | |
113 | && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
114 | && dh_param_print(ctx, dh, out, cb, cbarg)) | |
115 | ok = 1; | |
116 | dh_free(dh); | |
045e51cb RL |
117 | } |
118 | return ok; | |
119 | } | |
120 | ||
121 | static int dh_param_print(void *ctx, void *dh, BIO *out, | |
122 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
123 | { | |
124 | return ossl_prov_print_dh(out, dh, dh_print_params); | |
125 | } | |
126 | ||
127 | const OSSL_DISPATCH dh_param_der_serializer_functions[] = { | |
128 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
129 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
130 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_der_data }, | |
131 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_der }, | |
132 | { 0, NULL } | |
133 | }; | |
134 | ||
135 | const OSSL_DISPATCH dh_param_pem_serializer_functions[] = { | |
136 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
137 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
138 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_pem_data }, | |
139 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_pem }, | |
140 | { 0, NULL } | |
141 | }; | |
142 | ||
143 | const OSSL_DISPATCH dh_param_text_serializer_functions[] = { | |
144 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
145 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
146 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_print }, | |
147 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, | |
148 | (void (*)(void))dh_param_print_data }, | |
149 | { 0, NULL } | |
150 | }; |