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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 | ||
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 | ||
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16 | #include <openssl/core_numbers.h> |
17 | #include <openssl/err.h> | |
18 | #include <openssl/pem.h> | |
19 | #include <openssl/dh.h> | |
20 | #include <openssl/types.h> | |
21 | #include <openssl/params.h> | |
22 | #include "prov/bio.h" | |
23 | #include "prov/implementations.h" | |
24 | #include "serializer_local.h" | |
25 | ||
26 | static OSSL_OP_serializer_newctx_fn dh_pub_newctx; | |
27 | static OSSL_OP_serializer_freectx_fn dh_pub_freectx; | |
28 | static OSSL_OP_serializer_serialize_data_fn dh_pub_der_data; | |
29 | static OSSL_OP_serializer_serialize_object_fn dh_pub_der; | |
30 | static OSSL_OP_serializer_serialize_data_fn dh_pub_pem_data; | |
31 | static OSSL_OP_serializer_serialize_object_fn dh_pub_pem; | |
32 | ||
33 | static OSSL_OP_serializer_serialize_data_fn dh_pub_print_data; | |
34 | static OSSL_OP_serializer_serialize_object_fn dh_pub_print; | |
35 | ||
36 | /* Public key : context */ | |
37 | ||
38 | /* | |
39 | * There's no specific implementation context, so we use the provider context | |
40 | */ | |
41 | static void *dh_pub_newctx(void *provctx) | |
42 | { | |
43 | return provctx; | |
44 | } | |
45 | ||
46 | static void dh_pub_freectx(void *ctx) | |
47 | { | |
48 | } | |
49 | ||
50 | /* Public key : DER */ | |
51 | static int dh_pub_der_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
52 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
53 | { | |
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54 | OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
55 | OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
56 | OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
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57 | int ok = 0; |
58 | ||
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59 | if (dh_import != NULL) { |
60 | DH *dh; | |
045e51cb | 61 | |
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62 | /* ctx == provctx */ |
63 | if ((dh = dh_new(ctx)) != NULL | |
64 | && dh_import(dh, OSSL_KEYMGMT_SELECT_KEYPAIR, params) | |
65 | && dh_pub_der(ctx, dh, out, cb, cbarg)) | |
66 | ok = 1; | |
67 | dh_free(dh); | |
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68 | } |
69 | return ok; | |
70 | } | |
71 | ||
72 | static int dh_pub_der(void *ctx, void *dh, BIO *out, | |
73 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
74 | { | |
75 | return ossl_prov_write_pub_der_from_obj(out, dh, EVP_PKEY_DH, | |
76 | ossl_prov_prepare_dh_params, | |
77 | ossl_prov_dh_pub_to_der); | |
78 | } | |
79 | ||
80 | /* Public key : PEM */ | |
81 | static int dh_pub_pem_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
82 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
83 | { | |
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84 | OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
85 | OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
86 | OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
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87 | int ok = 0; |
88 | ||
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89 | if (dh_import != NULL) { |
90 | DH *dh; | |
045e51cb | 91 | |
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92 | /* ctx == provctx */ |
93 | if ((dh = dh_new(ctx)) != NULL | |
94 | && dh_import(dh, OSSL_KEYMGMT_SELECT_KEYPAIR, params) | |
95 | && dh_pub_pem(ctx, dh, out, cb, cbarg)) | |
96 | ok = 1; | |
97 | dh_free(dh); | |
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98 | } |
99 | return ok; | |
100 | } | |
101 | ||
102 | static int dh_pub_pem(void *ctx, void *dh, BIO *out, | |
103 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
104 | { | |
105 | return ossl_prov_write_pub_pem_from_obj(out, dh, EVP_PKEY_DH, | |
106 | ossl_prov_prepare_dh_params, | |
107 | ossl_prov_dh_pub_to_der); | |
108 | ||
109 | } | |
110 | ||
111 | static int dh_pub_print_data(void *ctx, const OSSL_PARAM params[], BIO *out, | |
112 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
113 | { | |
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114 | OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new(); |
115 | OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free(); | |
116 | OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import(); | |
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117 | int ok = 0; |
118 | ||
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119 | if (dh_import != NULL) { |
120 | DH *dh; | |
045e51cb | 121 | |
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122 | /* ctx == provctx */ |
123 | if ((dh = dh_new(ctx)) != NULL | |
124 | && dh_import(dh, OSSL_KEYMGMT_SELECT_KEYPAIR, params) | |
125 | && dh_pub_print(ctx, dh, out, cb, cbarg)) | |
126 | ok = 1; | |
127 | dh_free(dh); | |
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128 | } |
129 | return ok; | |
130 | } | |
131 | ||
132 | static int dh_pub_print(void *ctx, void *dh, BIO *out, | |
133 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
134 | { | |
135 | return ossl_prov_print_dh(out, dh, 0); | |
136 | } | |
137 | ||
138 | const OSSL_DISPATCH dh_pub_der_serializer_functions[] = { | |
139 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_pub_newctx }, | |
140 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_pub_freectx }, | |
141 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_pub_der_data }, | |
142 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_pub_der }, | |
143 | { 0, NULL } | |
144 | }; | |
145 | ||
146 | const OSSL_DISPATCH dh_pub_pem_serializer_functions[] = { | |
147 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_pub_newctx }, | |
148 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_pub_freectx }, | |
149 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_pub_pem_data }, | |
150 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_pub_pem }, | |
151 | { 0, NULL } | |
152 | }; | |
153 | ||
154 | const OSSL_DISPATCH dh_pub_text_serializer_functions[] = { | |
155 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_pub_newctx }, | |
156 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_pub_freectx }, | |
157 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_pub_print }, | |
158 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, | |
159 | (void (*)(void))dh_pub_print_data }, | |
160 | { 0, NULL } | |
161 | }; |