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045e51cb | 1 | /* |
33388b44 | 2 | * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. |
045e51cb RL |
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 | ||
ada66e78 P |
10 | /* |
11 | * DH low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
23c48d94 | 16 | #include <openssl/core_dispatch.h> |
045e51cb RL |
17 | #include <openssl/pem.h> |
18 | #include <openssl/dh.h> | |
19 | #include <openssl/types.h> | |
20 | #include <openssl/params.h> | |
21 | #include "prov/bio.h" | |
22 | #include "prov/implementations.h" | |
23 | #include "prov/providercommonerr.h" | |
d40b42ab | 24 | #include "prov/provider_ctx.h" |
045e51cb RL |
25 | #include "serializer_local.h" |
26 | ||
363b1e5d DMSP |
27 | static OSSL_FUNC_serializer_newctx_fn dh_param_newctx; |
28 | static OSSL_FUNC_serializer_freectx_fn dh_param_freectx; | |
29 | static OSSL_FUNC_serializer_serialize_data_fn dh_param_der_data; | |
30 | static OSSL_FUNC_serializer_serialize_object_fn dh_param_der; | |
31 | static OSSL_FUNC_serializer_serialize_data_fn dh_param_pem_data; | |
32 | static OSSL_FUNC_serializer_serialize_object_fn dh_param_pem; | |
045e51cb | 33 | |
363b1e5d DMSP |
34 | static OSSL_FUNC_serializer_serialize_data_fn dh_param_print_data; |
35 | static OSSL_FUNC_serializer_serialize_object_fn dh_param_print; | |
045e51cb RL |
36 | |
37 | /* Parameters : context */ | |
38 | ||
39 | /* | |
40 | * There's no specific implementation context, so we use the provider context | |
41 | */ | |
42 | static void *dh_param_newctx(void *provctx) | |
43 | { | |
44 | return provctx; | |
45 | } | |
46 | ||
47 | static void dh_param_freectx(void *ctx) | |
48 | { | |
49 | } | |
50 | ||
51 | /* Public key : DER */ | |
d40b42ab MC |
52 | static int dh_param_der_data(void *ctx, const OSSL_PARAM params[], |
53 | OSSL_CORE_BIO *out, | |
045e51cb RL |
54 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
55 | { | |
363b1e5d DMSP |
56 | OSSL_FUNC_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
57 | OSSL_FUNC_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
58 | OSSL_FUNC_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
045e51cb RL |
59 | int ok = 0; |
60 | ||
32b0645c RL |
61 | if (dh_import != NULL) { |
62 | DH *dh; | |
045e51cb | 63 | |
32b0645c RL |
64 | /* ctx == provctx */ |
65 | if ((dh = dh_new(ctx)) != NULL | |
66 | && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
67 | && dh_param_der(ctx, dh, out, cb, cbarg)) | |
68 | ok = 1; | |
69 | dh_free(dh); | |
045e51cb RL |
70 | } |
71 | return ok; | |
72 | } | |
73 | ||
d40b42ab | 74 | static int dh_param_der(void *ctx, void *dh, OSSL_CORE_BIO *cout, |
045e51cb RL |
75 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
76 | { | |
d40b42ab MC |
77 | BIO *out = bio_new_from_core_bio(ctx, cout); |
78 | int ret; | |
79 | ||
80 | if (out == NULL) | |
81 | return 0; | |
82 | ret = i2d_DHparams_bio(out, dh); | |
83 | BIO_free(out); | |
84 | ||
85 | return ret; | |
045e51cb RL |
86 | } |
87 | ||
88 | /* Public key : PEM */ | |
d40b42ab MC |
89 | static int dh_param_pem_data(void *ctx, const OSSL_PARAM params[], |
90 | OSSL_CORE_BIO *out, | |
32b0645c | 91 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
045e51cb | 92 | { |
363b1e5d DMSP |
93 | OSSL_FUNC_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
94 | OSSL_FUNC_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
95 | OSSL_FUNC_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
045e51cb RL |
96 | int ok = 0; |
97 | ||
32b0645c RL |
98 | if (dh_import != NULL) { |
99 | DH *dh; | |
045e51cb | 100 | |
32b0645c RL |
101 | /* ctx == provctx */ |
102 | if ((dh = dh_new(ctx)) != NULL | |
103 | && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
104 | && dh_param_pem(ctx, dh, out, cb, cbarg)) | |
105 | ok = 1; | |
106 | dh_free(dh); | |
045e51cb RL |
107 | } |
108 | return ok; | |
109 | } | |
110 | ||
d40b42ab | 111 | static int dh_param_pem(void *ctx, void *dh, OSSL_CORE_BIO *cout, |
045e51cb RL |
112 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
113 | { | |
d40b42ab MC |
114 | BIO *out = bio_new_from_core_bio(ctx, cout); |
115 | int ret; | |
116 | ||
117 | if (out == NULL) | |
118 | return 0; | |
119 | ||
120 | ret = PEM_write_bio_DHparams(out, dh); | |
121 | BIO_free(out); | |
122 | ||
123 | return ret; | |
045e51cb RL |
124 | } |
125 | ||
d40b42ab MC |
126 | static int dh_param_print_data(void *ctx, const OSSL_PARAM params[], |
127 | OSSL_CORE_BIO *out, | |
32b0645c | 128 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
045e51cb | 129 | { |
363b1e5d DMSP |
130 | OSSL_FUNC_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
131 | OSSL_FUNC_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
132 | OSSL_FUNC_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
045e51cb RL |
133 | int ok = 0; |
134 | ||
32b0645c RL |
135 | if (dh_import != NULL) { |
136 | DH *dh; | |
045e51cb | 137 | |
32b0645c RL |
138 | /* ctx == provctx */ |
139 | if ((dh = dh_new(ctx)) != NULL | |
140 | && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
141 | && dh_param_print(ctx, dh, out, cb, cbarg)) | |
142 | ok = 1; | |
143 | dh_free(dh); | |
045e51cb RL |
144 | } |
145 | return ok; | |
146 | } | |
147 | ||
d40b42ab | 148 | static int dh_param_print(void *ctx, void *dh, OSSL_CORE_BIO *cout, |
045e51cb RL |
149 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
150 | { | |
d40b42ab MC |
151 | BIO *out = bio_new_from_core_bio(ctx, cout); |
152 | int ret; | |
153 | ||
154 | if (out == NULL) | |
155 | return 0; | |
156 | ||
157 | ret = ossl_prov_print_dh(out, dh, dh_print_params); | |
158 | BIO_free(out); | |
159 | ||
160 | return ret; | |
045e51cb RL |
161 | } |
162 | ||
163 | const OSSL_DISPATCH dh_param_der_serializer_functions[] = { | |
164 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
165 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
166 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_der_data }, | |
167 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_der }, | |
168 | { 0, NULL } | |
169 | }; | |
170 | ||
171 | const OSSL_DISPATCH dh_param_pem_serializer_functions[] = { | |
172 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
173 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
174 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_pem_data }, | |
175 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_pem }, | |
176 | { 0, NULL } | |
177 | }; | |
178 | ||
179 | const OSSL_DISPATCH dh_param_text_serializer_functions[] = { | |
180 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
181 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
182 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_print }, | |
183 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, | |
184 | (void (*)(void))dh_param_print_data }, | |
185 | { 0, NULL } | |
186 | }; |