2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 * DSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include <openssl/core_dispatch.h>
17 #include <openssl/err.h>
18 #include <openssl/pem.h>
19 #include <openssl/dsa.h>
20 #include <openssl/types.h>
21 #include <openssl/params.h>
23 #include "prov/implementations.h"
24 #include "prov/provider_ctx.h"
25 #include "encoder_local.h"
27 static OSSL_FUNC_encoder_newctx_fn dsa_pub_newctx
;
28 static OSSL_FUNC_encoder_freectx_fn dsa_pub_freectx
;
29 static OSSL_FUNC_encoder_encode_data_fn dsa_pub_der_data
;
30 static OSSL_FUNC_encoder_encode_object_fn dsa_pub_der
;
31 static OSSL_FUNC_encoder_encode_data_fn dsa_pub_pem_data
;
32 static OSSL_FUNC_encoder_encode_object_fn dsa_pub_pem
;
34 static OSSL_FUNC_encoder_encode_data_fn dsa_pub_print_data
;
35 static OSSL_FUNC_encoder_encode_object_fn dsa_pub_print
;
37 /* Public key : context */
40 * There's no specific implementation context, so we use the provider context
42 static void *dsa_pub_newctx(void *provctx
)
47 static void dsa_pub_freectx(void *ctx
)
51 /* Public key : DER */
52 static int dsa_pub_der_data(void *ctx
, const OSSL_PARAM params
[],
54 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
56 OSSL_FUNC_keymgmt_new_fn
*dsa_new
= ossl_prov_get_keymgmt_dsa_new();
57 OSSL_FUNC_keymgmt_free_fn
*dsa_free
= ossl_prov_get_keymgmt_dsa_free();
58 OSSL_FUNC_keymgmt_import_fn
*dsa_import
= ossl_prov_get_keymgmt_dsa_import();
61 if (dsa_import
!= NULL
) {
65 if ((dsa
= dsa_new(ctx
)) != NULL
66 && dsa_import(dsa
, OSSL_KEYMGMT_SELECT_KEYPAIR
, params
)
67 && dsa_pub_der(ctx
, dsa
, out
, cb
, cbarg
))
74 static int dsa_pub_der(void *ctx
, void *dsa
, OSSL_CORE_BIO
*cout
,
75 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
78 * TODO(v3.0) implement setting save_parameters, see dsa_pub_encode()
79 * in crypto/dsa/dsa_ameth.c
81 int save_parameters
= 1;
82 BIO
*out
= bio_new_from_core_bio(ctx
, cout
);
90 ? ossl_prov_write_pub_der_from_obj(out
, dsa
, EVP_PKEY_DSA
,
91 ossl_prov_prepare_all_dsa_params
,
92 ossl_prov_dsa_pub_to_der
)
93 : ossl_prov_write_pub_der_from_obj(out
, dsa
, EVP_PKEY_DSA
,
94 ossl_prov_prepare_dsa_params
,
95 ossl_prov_dsa_pub_to_der
);
102 /* Public key : PEM */
103 static int dsa_pub_pem_data(void *ctx
, const OSSL_PARAM params
[],
105 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
107 OSSL_FUNC_keymgmt_new_fn
*dsa_new
= ossl_prov_get_keymgmt_dsa_new();
108 OSSL_FUNC_keymgmt_free_fn
*dsa_free
= ossl_prov_get_keymgmt_dsa_free();
109 OSSL_FUNC_keymgmt_import_fn
*dsa_import
= ossl_prov_get_keymgmt_dsa_import();
112 if (dsa_import
!= NULL
) {
116 if ((dsa
= dsa_new(ctx
)) != NULL
117 && dsa_import(dsa
, OSSL_KEYMGMT_SELECT_KEYPAIR
, params
)
118 && dsa_pub_pem(ctx
, dsa
, out
, cb
, cbarg
))
125 static int dsa_pub_pem(void *ctx
, void *dsa
, OSSL_CORE_BIO
*cout
,
126 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
128 BIO
*out
= bio_new_from_core_bio(ctx
, cout
);
134 ret
= ossl_prov_write_pub_pem_from_obj(out
, dsa
, EVP_PKEY_DSA
,
135 ossl_prov_prepare_dsa_params
,
136 ossl_prov_dsa_pub_to_der
);
143 static int dsa_pub_print_data(void *ctx
, const OSSL_PARAM params
[],
145 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
147 OSSL_FUNC_keymgmt_new_fn
*dsa_new
= ossl_prov_get_keymgmt_dsa_new();
148 OSSL_FUNC_keymgmt_free_fn
*dsa_free
= ossl_prov_get_keymgmt_dsa_free();
149 OSSL_FUNC_keymgmt_import_fn
*dsa_import
= ossl_prov_get_keymgmt_dsa_import();
152 if (dsa_import
!= NULL
) {
156 if ((dsa
= dsa_new(ctx
)) != NULL
157 && dsa_import(dsa
, OSSL_KEYMGMT_SELECT_KEYPAIR
, params
)
158 && dsa_pub_print(ctx
, dsa
, out
, cb
, cbarg
))
165 static int dsa_pub_print(void *ctx
, void *dsa
, OSSL_CORE_BIO
*cout
,
166 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
168 BIO
*out
= bio_new_from_core_bio(ctx
, cout
);
174 ret
= ossl_prov_print_dsa(out
, dsa
, 0);
180 const OSSL_DISPATCH dsa_pub_der_encoder_functions
[] = {
181 { OSSL_FUNC_ENCODER_NEWCTX
, (void (*)(void))dsa_pub_newctx
},
182 { OSSL_FUNC_ENCODER_FREECTX
, (void (*)(void))dsa_pub_freectx
},
183 { OSSL_FUNC_ENCODER_ENCODE_DATA
, (void (*)(void))dsa_pub_der_data
},
184 { OSSL_FUNC_ENCODER_ENCODE_OBJECT
, (void (*)(void))dsa_pub_der
},
188 const OSSL_DISPATCH dsa_pub_pem_encoder_functions
[] = {
189 { OSSL_FUNC_ENCODER_NEWCTX
, (void (*)(void))dsa_pub_newctx
},
190 { OSSL_FUNC_ENCODER_FREECTX
, (void (*)(void))dsa_pub_freectx
},
191 { OSSL_FUNC_ENCODER_ENCODE_DATA
, (void (*)(void))dsa_pub_pem_data
},
192 { OSSL_FUNC_ENCODER_ENCODE_OBJECT
, (void (*)(void))dsa_pub_pem
},
196 const OSSL_DISPATCH dsa_pub_text_encoder_functions
[] = {
197 { OSSL_FUNC_ENCODER_NEWCTX
, (void (*)(void))dsa_pub_newctx
},
198 { OSSL_FUNC_ENCODER_FREECTX
, (void (*)(void))dsa_pub_freectx
},
199 { OSSL_FUNC_ENCODER_ENCODE_OBJECT
, (void (*)(void))dsa_pub_print
},
200 { OSSL_FUNC_ENCODER_ENCODE_DATA
,
201 (void (*)(void))dsa_pub_print_data
},