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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 | { | |
48 | OSSL_OP_keymgmt_importkey_fn *dh_importkey = | |
49 | ossl_prov_get_dh_importkey(); | |
50 | int ok = 0; | |
51 | ||
52 | if (dh_importkey != NULL) { | |
53 | DH *dh = dh_importkey(ctx, params); /* ctx == provctx */ | |
54 | ||
55 | ok = dh_param_der(ctx, dh, out, cb, cbarg); | |
56 | DH_free(dh); | |
57 | } | |
58 | return ok; | |
59 | } | |
60 | ||
61 | static int dh_param_der(void *ctx, void *dh, BIO *out, | |
62 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
63 | { | |
64 | return i2d_DHparams_bio(out, dh); | |
65 | } | |
66 | ||
67 | /* Public key : PEM */ | |
68 | static int dh_param_pem_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
69 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
70 | { | |
71 | OSSL_OP_keymgmt_importkey_fn *dh_importkey = | |
72 | ossl_prov_get_dh_importkey(); | |
73 | int ok = 0; | |
74 | ||
75 | if (dh_importkey != NULL) { | |
76 | DH *dh = dh_importkey(ctx, params); /* ctx == provctx */ | |
77 | ||
78 | ok = dh_param_pem(ctx, dh, out, cb, cbarg); | |
79 | DH_free(dh); | |
80 | } | |
81 | return ok; | |
82 | } | |
83 | ||
84 | static int dh_param_pem(void *ctx, void *dh, BIO *out, | |
85 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
86 | { | |
87 | return PEM_write_bio_DHparams(out, dh); | |
88 | } | |
89 | ||
90 | static int dh_param_print_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
91 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
92 | { | |
93 | OSSL_OP_keymgmt_importkey_fn *dh_importkey = | |
94 | ossl_prov_get_dh_importkey(); | |
95 | int ok = 0; | |
96 | ||
97 | if (dh_importkey != NULL) { | |
98 | DH *dh = dh_importkey(ctx, params); /* ctx == provctx */ | |
99 | ||
100 | ok = dh_param_print(ctx, dh, out, cb, cbarg); | |
101 | DH_free(dh); | |
102 | } | |
103 | return ok; | |
104 | } | |
105 | ||
106 | static int dh_param_print(void *ctx, void *dh, BIO *out, | |
107 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
108 | { | |
109 | return ossl_prov_print_dh(out, dh, dh_print_params); | |
110 | } | |
111 | ||
112 | const OSSL_DISPATCH dh_param_der_serializer_functions[] = { | |
113 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
114 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
115 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_der_data }, | |
116 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_der }, | |
117 | { 0, NULL } | |
118 | }; | |
119 | ||
120 | const OSSL_DISPATCH dh_param_pem_serializer_functions[] = { | |
121 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
122 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
123 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_pem_data }, | |
124 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_pem }, | |
125 | { 0, NULL } | |
126 | }; | |
127 | ||
128 | const OSSL_DISPATCH dh_param_text_serializer_functions[] = { | |
129 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx }, | |
130 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx }, | |
131 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_print }, | |
132 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, | |
133 | (void (*)(void))dh_param_print_data }, | |
134 | { 0, NULL } | |
135 | }; |