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1 | /* |
2 | * Copyright 2020 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/ec.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 ec_param_newctx; | |
21 | static OSSL_OP_serializer_freectx_fn ec_param_freectx; | |
22 | static OSSL_OP_serializer_serialize_data_fn ec_param_der_data; | |
23 | static OSSL_OP_serializer_serialize_object_fn ec_param_der; | |
24 | static OSSL_OP_serializer_serialize_data_fn ec_param_pem_data; | |
25 | static OSSL_OP_serializer_serialize_object_fn ec_param_pem; | |
26 | ||
27 | static OSSL_OP_serializer_serialize_data_fn ec_param_print_data; | |
28 | static OSSL_OP_serializer_serialize_object_fn ec_param_print; | |
29 | ||
30 | ||
31 | /* There is no specific implementation context, so use the provider context */ | |
32 | static void *ec_param_newctx(void *provctx) | |
33 | { | |
34 | return provctx; | |
35 | } | |
36 | ||
37 | static void ec_param_freectx(void *vctx) | |
38 | { | |
39 | } | |
40 | ||
41 | /* Public key : DER */ | |
42 | static int ec_param_der_data(void *vctx, const OSSL_PARAM params[], BIO *out, | |
43 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
44 | { | |
45 | OSSL_OP_keymgmt_new_fn *ec_new; | |
46 | OSSL_OP_keymgmt_free_fn *ec_free; | |
47 | OSSL_OP_keymgmt_import_fn *ec_import; | |
48 | int ok = 0; | |
49 | ||
50 | ec_get_new_free_import(&ec_new, &ec_free, &ec_import); | |
51 | ||
52 | if (ec_import != NULL) { | |
53 | EC_KEY *eckey; | |
54 | ||
55 | /* vctx == provctx */ | |
56 | if ((eckey = ec_new(vctx)) != NULL | |
57 | && ec_import(eckey, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
58 | && ec_param_der(vctx, eckey, out, cb, cbarg)) | |
59 | ok = 1; | |
60 | ec_free(eckey); | |
61 | } | |
62 | return ok; | |
63 | } | |
64 | ||
65 | static int ec_param_der(void *vctx, void *eckey, BIO *out, | |
66 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
67 | { | |
68 | return i2d_ECPKParameters_bio(out, EC_KEY_get0_group(eckey)); | |
69 | } | |
70 | ||
71 | /* Public key : PEM */ | |
72 | static int ec_param_pem_data(void *vctx, const OSSL_PARAM params[], BIO *out, | |
73 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
74 | { | |
75 | OSSL_OP_keymgmt_new_fn *ec_new; | |
76 | OSSL_OP_keymgmt_free_fn *ec_free; | |
77 | OSSL_OP_keymgmt_import_fn *ec_import; | |
78 | int ok = 0; | |
79 | ||
80 | ec_get_new_free_import(&ec_new, &ec_free, &ec_import); | |
81 | ||
82 | if (ec_import != NULL) { | |
83 | EC_KEY *eckey; | |
84 | ||
85 | /* vctx == provctx */ | |
86 | if ((eckey = ec_new(vctx)) != NULL | |
87 | && ec_import(eckey, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
88 | && ec_param_pem(vctx, eckey, out, cb, cbarg)) | |
89 | ok = 1; | |
90 | ec_free(eckey); | |
91 | } | |
92 | return ok; | |
93 | } | |
94 | ||
95 | static int ec_param_pem(void *vctx, void *eckey, BIO *out, | |
96 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
97 | { | |
98 | return PEM_write_bio_ECPKParameters(out, EC_KEY_get0_group(eckey)); | |
99 | } | |
100 | ||
101 | static int ec_param_print_data(void *vctx, const OSSL_PARAM params[], BIO *out, | |
102 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
103 | { | |
104 | OSSL_OP_keymgmt_new_fn *ec_new; | |
105 | OSSL_OP_keymgmt_free_fn *ec_free; | |
106 | OSSL_OP_keymgmt_import_fn *ec_import; | |
107 | int ok = 0; | |
108 | ||
109 | ec_get_new_free_import(&ec_new, &ec_free, &ec_import); | |
110 | ||
111 | if (ec_import != NULL) { | |
112 | EC_KEY *eckey; | |
113 | ||
114 | /* vctx == provctx */ | |
115 | if ((eckey = ec_new(vctx)) != NULL | |
116 | && ec_import(eckey, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
117 | && ec_param_print(vctx, eckey, out, cb, cbarg)) | |
118 | ok = 1; | |
119 | ec_free(eckey); | |
120 | } | |
121 | return ok; | |
122 | } | |
123 | ||
124 | static int ec_param_print(void *vctx, void *eckey, BIO *out, | |
125 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
126 | { | |
127 | return ossl_prov_print_eckey(out, eckey, ec_print_params); | |
128 | } | |
129 | ||
130 | const OSSL_DISPATCH ec_param_der_serializer_functions[] = { | |
131 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))ec_param_newctx }, | |
132 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))ec_param_freectx }, | |
133 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))ec_param_der_data }, | |
134 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))ec_param_der }, | |
135 | { 0, NULL } | |
136 | }; | |
137 | ||
138 | const OSSL_DISPATCH ec_param_pem_serializer_functions[] = { | |
139 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))ec_param_newctx }, | |
140 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))ec_param_freectx }, | |
141 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))ec_param_pem_data }, | |
142 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))ec_param_pem }, | |
143 | { 0, NULL } | |
144 | }; | |
145 | ||
146 | const OSSL_DISPATCH ec_param_text_serializer_functions[] = { | |
147 | { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))ec_param_newctx }, | |
148 | { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))ec_param_freectx }, | |
149 | { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))ec_param_print }, | |
150 | { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, | |
151 | (void (*)(void))ec_param_print_data }, | |
152 | { 0, NULL } | |
153 | }; |