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f552d900 SL |
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 | ||
23c48d94 | 10 | #include <openssl/core_dispatch.h> |
f552d900 SL |
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" | |
d40b42ab | 18 | #include "prov/provider_ctx.h" |
ece9304c | 19 | #include "encoder_local.h" |
f552d900 | 20 | |
ece9304c RL |
21 | static OSSL_FUNC_encoder_newctx_fn ec_param_newctx; |
22 | static OSSL_FUNC_encoder_freectx_fn ec_param_freectx; | |
23 | static OSSL_FUNC_encoder_encode_data_fn ec_param_der_data; | |
24 | static OSSL_FUNC_encoder_encode_object_fn ec_param_der; | |
25 | static OSSL_FUNC_encoder_encode_data_fn ec_param_pem_data; | |
26 | static OSSL_FUNC_encoder_encode_object_fn ec_param_pem; | |
f552d900 | 27 | |
ece9304c RL |
28 | static OSSL_FUNC_encoder_encode_data_fn ec_param_print_data; |
29 | static OSSL_FUNC_encoder_encode_object_fn ec_param_print; | |
f552d900 SL |
30 | |
31 | ||
32 | /* There is no specific implementation context, so use the provider context */ | |
33 | static void *ec_param_newctx(void *provctx) | |
34 | { | |
35 | return provctx; | |
36 | } | |
37 | ||
38 | static void ec_param_freectx(void *vctx) | |
39 | { | |
40 | } | |
41 | ||
42 | /* Public key : DER */ | |
d40b42ab MC |
43 | static int ec_param_der_data(void *vctx, const OSSL_PARAM params[], |
44 | OSSL_CORE_BIO *out, | |
45 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
f552d900 | 46 | { |
363b1e5d DMSP |
47 | OSSL_FUNC_keymgmt_new_fn *ec_new; |
48 | OSSL_FUNC_keymgmt_free_fn *ec_free; | |
49 | OSSL_FUNC_keymgmt_import_fn *ec_import; | |
f552d900 SL |
50 | int ok = 0; |
51 | ||
52 | ec_get_new_free_import(&ec_new, &ec_free, &ec_import); | |
53 | ||
54 | if (ec_import != NULL) { | |
55 | EC_KEY *eckey; | |
56 | ||
57 | /* vctx == provctx */ | |
58 | if ((eckey = ec_new(vctx)) != NULL | |
59 | && ec_import(eckey, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
60 | && ec_param_der(vctx, eckey, out, cb, cbarg)) | |
61 | ok = 1; | |
62 | ec_free(eckey); | |
63 | } | |
64 | return ok; | |
65 | } | |
66 | ||
d40b42ab | 67 | static int ec_param_der(void *vctx, void *eckey, OSSL_CORE_BIO *cout, |
ece9304c | 68 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
f552d900 | 69 | { |
d40b42ab MC |
70 | BIO *out = bio_new_from_core_bio(vctx, cout); |
71 | int ret; | |
72 | ||
73 | if (out == NULL) | |
74 | return 0; | |
75 | ||
76 | ret = i2d_ECPKParameters_bio(out, EC_KEY_get0_group(eckey)); | |
77 | BIO_free(out); | |
78 | ||
79 | return ret; | |
f552d900 SL |
80 | } |
81 | ||
82 | /* Public key : PEM */ | |
d40b42ab MC |
83 | static int ec_param_pem_data(void *vctx, const OSSL_PARAM params[], |
84 | OSSL_CORE_BIO *out, | |
85 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
f552d900 | 86 | { |
363b1e5d DMSP |
87 | OSSL_FUNC_keymgmt_new_fn *ec_new; |
88 | OSSL_FUNC_keymgmt_free_fn *ec_free; | |
89 | OSSL_FUNC_keymgmt_import_fn *ec_import; | |
f552d900 SL |
90 | int ok = 0; |
91 | ||
92 | ec_get_new_free_import(&ec_new, &ec_free, &ec_import); | |
93 | ||
94 | if (ec_import != NULL) { | |
95 | EC_KEY *eckey; | |
96 | ||
97 | /* vctx == provctx */ | |
98 | if ((eckey = ec_new(vctx)) != NULL | |
99 | && ec_import(eckey, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
100 | && ec_param_pem(vctx, eckey, out, cb, cbarg)) | |
101 | ok = 1; | |
102 | ec_free(eckey); | |
103 | } | |
104 | return ok; | |
105 | } | |
106 | ||
d40b42ab | 107 | static int ec_param_pem(void *vctx, void *eckey, OSSL_CORE_BIO *cout, |
ece9304c | 108 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
f552d900 | 109 | { |
d40b42ab MC |
110 | BIO *out = bio_new_from_core_bio(vctx, cout); |
111 | int ret; | |
112 | ||
113 | if (out == NULL) | |
114 | return 0; | |
115 | ||
116 | ret = PEM_write_bio_ECPKParameters(out, EC_KEY_get0_group(eckey)); | |
117 | BIO_free(out); | |
118 | ||
119 | return ret; | |
f552d900 SL |
120 | } |
121 | ||
d40b42ab MC |
122 | static int ec_param_print_data(void *vctx, const OSSL_PARAM params[], |
123 | OSSL_CORE_BIO *out, | |
124 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) | |
f552d900 | 125 | { |
363b1e5d DMSP |
126 | OSSL_FUNC_keymgmt_new_fn *ec_new; |
127 | OSSL_FUNC_keymgmt_free_fn *ec_free; | |
128 | OSSL_FUNC_keymgmt_import_fn *ec_import; | |
f552d900 SL |
129 | int ok = 0; |
130 | ||
131 | ec_get_new_free_import(&ec_new, &ec_free, &ec_import); | |
132 | ||
133 | if (ec_import != NULL) { | |
134 | EC_KEY *eckey; | |
135 | ||
136 | /* vctx == provctx */ | |
137 | if ((eckey = ec_new(vctx)) != NULL | |
138 | && ec_import(eckey, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params) | |
139 | && ec_param_print(vctx, eckey, out, cb, cbarg)) | |
140 | ok = 1; | |
141 | ec_free(eckey); | |
142 | } | |
143 | return ok; | |
144 | } | |
145 | ||
d40b42ab | 146 | static int ec_param_print(void *vctx, void *eckey, OSSL_CORE_BIO *cout, |
ece9304c | 147 | OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg) |
f552d900 | 148 | { |
d40b42ab MC |
149 | BIO *out = bio_new_from_core_bio(vctx, cout); |
150 | int ret; | |
151 | ||
152 | if (out == NULL) | |
153 | return 0; | |
154 | ||
155 | ret = ossl_prov_print_eckey(out, eckey, ec_print_params); | |
156 | BIO_free(out); | |
157 | ||
158 | return ret; | |
f552d900 SL |
159 | } |
160 | ||
ece9304c RL |
161 | const OSSL_DISPATCH ec_param_der_encoder_functions[] = { |
162 | { OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))ec_param_newctx }, | |
163 | { OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))ec_param_freectx }, | |
164 | { OSSL_FUNC_ENCODER_ENCODE_DATA, (void (*)(void))ec_param_der_data }, | |
165 | { OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))ec_param_der }, | |
f552d900 SL |
166 | { 0, NULL } |
167 | }; | |
168 | ||
ece9304c RL |
169 | const OSSL_DISPATCH ec_param_pem_encoder_functions[] = { |
170 | { OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))ec_param_newctx }, | |
171 | { OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))ec_param_freectx }, | |
172 | { OSSL_FUNC_ENCODER_ENCODE_DATA, (void (*)(void))ec_param_pem_data }, | |
173 | { OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))ec_param_pem }, | |
f552d900 SL |
174 | { 0, NULL } |
175 | }; | |
176 | ||
ece9304c RL |
177 | const OSSL_DISPATCH ec_param_text_encoder_functions[] = { |
178 | { OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))ec_param_newctx }, | |
179 | { OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))ec_param_freectx }, | |
180 | { OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))ec_param_print }, | |
181 | { OSSL_FUNC_ENCODER_ENCODE_DATA, | |
f552d900 SL |
182 | (void (*)(void))ec_param_print_data }, |
183 | { 0, NULL } | |
184 | }; |