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_numbers.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 "serializer_local.h"
26 static OSSL_OP_serializer_newctx_fn dsa_pub_newctx
;
27 static OSSL_OP_serializer_freectx_fn dsa_pub_freectx
;
28 static OSSL_OP_serializer_serialize_data_fn dsa_pub_der_data
;
29 static OSSL_OP_serializer_serialize_object_fn dsa_pub_der
;
30 static OSSL_OP_serializer_serialize_data_fn dsa_pub_pem_data
;
31 static OSSL_OP_serializer_serialize_object_fn dsa_pub_pem
;
33 static OSSL_OP_serializer_serialize_data_fn dsa_pub_print_data
;
34 static OSSL_OP_serializer_serialize_object_fn dsa_pub_print
;
36 /* Public key : context */
39 * There's no specific implementation context, so we use the provider context
41 static void *dsa_pub_newctx(void *provctx
)
46 static void dsa_pub_freectx(void *ctx
)
50 /* Public key : DER */
51 static int dsa_pub_der_data(void *ctx
, const OSSL_PARAM params
[], BIO
*out
,
52 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
54 OSSL_OP_keymgmt_new_fn
*dsa_new
= ossl_prov_get_keymgmt_dsa_new();
55 OSSL_OP_keymgmt_free_fn
*dsa_free
= ossl_prov_get_keymgmt_dsa_free();
56 OSSL_OP_keymgmt_import_fn
*dsa_import
= ossl_prov_get_keymgmt_dsa_import();
59 if (dsa_import
!= NULL
) {
63 if ((dsa
= dsa_new(ctx
)) != NULL
64 && dsa_import(dsa
, OSSL_KEYMGMT_SELECT_KEYPAIR
, params
)
65 && dsa_pub_der(ctx
, dsa
, out
, cb
, cbarg
))
72 static int dsa_pub_der(void *ctx
, void *dsa
, BIO
*out
,
73 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
76 * TODO(v3.0) implement setting save_parameters, see dsa_pub_encode()
77 * in crypto/dsa/dsa_ameth.c
79 int save_parameters
= 1;
83 ? ossl_prov_write_pub_der_from_obj(out
, dsa
, EVP_PKEY_DSA
,
84 ossl_prov_prepare_all_dsa_params
,
85 ossl_prov_dsa_pub_to_der
)
86 : ossl_prov_write_pub_der_from_obj(out
, dsa
, EVP_PKEY_DSA
,
87 ossl_prov_prepare_dsa_params
,
88 ossl_prov_dsa_pub_to_der
);
92 /* Public key : PEM */
93 static int dsa_pub_pem_data(void *ctx
, const OSSL_PARAM params
[], BIO
*out
,
94 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
96 OSSL_OP_keymgmt_new_fn
*dsa_new
= ossl_prov_get_keymgmt_dsa_new();
97 OSSL_OP_keymgmt_free_fn
*dsa_free
= ossl_prov_get_keymgmt_dsa_free();
98 OSSL_OP_keymgmt_import_fn
*dsa_import
= ossl_prov_get_keymgmt_dsa_import();
101 if (dsa_import
!= NULL
) {
105 if ((dsa
= dsa_new(ctx
)) != NULL
106 && dsa_import(dsa
, OSSL_KEYMGMT_SELECT_KEYPAIR
, params
)
107 && dsa_pub_pem(ctx
, dsa
, out
, cb
, cbarg
))
114 static int dsa_pub_pem(void *ctx
, void *dsa
, BIO
*out
,
115 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
117 return ossl_prov_write_pub_pem_from_obj(out
, dsa
, EVP_PKEY_DSA
,
118 ossl_prov_prepare_dsa_params
,
119 ossl_prov_dsa_pub_to_der
);
122 static int dsa_pub_print_data(void *ctx
, const OSSL_PARAM params
[], BIO
*out
,
123 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
125 OSSL_OP_keymgmt_new_fn
*dsa_new
= ossl_prov_get_keymgmt_dsa_new();
126 OSSL_OP_keymgmt_free_fn
*dsa_free
= ossl_prov_get_keymgmt_dsa_free();
127 OSSL_OP_keymgmt_import_fn
*dsa_import
= ossl_prov_get_keymgmt_dsa_import();
130 if (dsa_import
!= NULL
) {
134 if ((dsa
= dsa_new(ctx
)) != NULL
135 && dsa_import(dsa
, OSSL_KEYMGMT_SELECT_KEYPAIR
, params
)
136 && dsa_pub_print(ctx
, dsa
, out
, cb
, cbarg
))
143 static int dsa_pub_print(void *ctx
, void *dsa
, BIO
*out
,
144 OSSL_PASSPHRASE_CALLBACK
*cb
, void *cbarg
)
146 return ossl_prov_print_dsa(out
, dsa
, 0);
149 const OSSL_DISPATCH dsa_pub_der_serializer_functions
[] = {
150 { OSSL_FUNC_SERIALIZER_NEWCTX
, (void (*)(void))dsa_pub_newctx
},
151 { OSSL_FUNC_SERIALIZER_FREECTX
, (void (*)(void))dsa_pub_freectx
},
152 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA
, (void (*)(void))dsa_pub_der_data
},
153 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT
, (void (*)(void))dsa_pub_der
},
157 const OSSL_DISPATCH dsa_pub_pem_serializer_functions
[] = {
158 { OSSL_FUNC_SERIALIZER_NEWCTX
, (void (*)(void))dsa_pub_newctx
},
159 { OSSL_FUNC_SERIALIZER_FREECTX
, (void (*)(void))dsa_pub_freectx
},
160 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA
, (void (*)(void))dsa_pub_pem_data
},
161 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT
, (void (*)(void))dsa_pub_pem
},
165 const OSSL_DISPATCH dsa_pub_text_serializer_functions
[] = {
166 { OSSL_FUNC_SERIALIZER_NEWCTX
, (void (*)(void))dsa_pub_newctx
},
167 { OSSL_FUNC_SERIALIZER_FREECTX
, (void (*)(void))dsa_pub_freectx
},
168 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT
, (void (*)(void))dsa_pub_print
},
169 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA
,
170 (void (*)(void))dsa_pub_print_data
},