1 | /* |
2 | * Copyright 2016-2018 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 | /* |
11 | * Licensed under the Apache License 2.0 (the "License"); |
12 | * you may not use this file except in compliance with the License. |
13 | * You may obtain a copy of the License at |
14 | * https://www.openssl.org/source/license.html |
15 | * or in the file LICENSE in the source distribution. |
16 | */ |
17 | |
18 | #include "dsa_local.h" |
19 | #include <string.h> |
20 | #include <openssl/err.h> |
21 | |
22 | DSA_METHOD *DSA_meth_new(const char *name, int flags) |
23 | { |
24 | DSA_METHOD *dsam = OPENSSL_zalloc(sizeof(*dsam)); |
25 | |
26 | if (dsam != NULL) { |
27 | dsam->flags = flags; |
28 | |
29 | dsam->name = OPENSSL_strdup(name); |
30 | if (dsam->name != NULL) |
31 | return dsam; |
32 | |
33 | OPENSSL_free(dsam); |
34 | } |
35 | |
36 | DSAerr(DSA_F_DSA_METH_NEW, ERR_R_MALLOC_FAILURE); |
37 | return NULL; |
38 | } |
39 | |
40 | void DSA_meth_free(DSA_METHOD *dsam) |
41 | { |
42 | if (dsam != NULL) { |
43 | OPENSSL_free(dsam->name); |
44 | OPENSSL_free(dsam); |
45 | } |
46 | } |
47 | |
48 | DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam) |
49 | { |
50 | DSA_METHOD *ret = OPENSSL_malloc(sizeof(*ret)); |
51 | |
52 | if (ret != NULL) { |
53 | memcpy(ret, dsam, sizeof(*dsam)); |
54 | |
55 | ret->name = OPENSSL_strdup(dsam->name); |
56 | if (ret->name != NULL) |
57 | return ret; |
58 | |
59 | OPENSSL_free(ret); |
60 | } |
61 | |
62 | DSAerr(DSA_F_DSA_METH_DUP, ERR_R_MALLOC_FAILURE); |
63 | return NULL; |
64 | } |
65 | |
66 | const char *DSA_meth_get0_name(const DSA_METHOD *dsam) |
67 | { |
68 | return dsam->name; |
69 | } |
70 | |
71 | int DSA_meth_set1_name(DSA_METHOD *dsam, const char *name) |
72 | { |
73 | char *tmpname = OPENSSL_strdup(name); |
74 | |
75 | if (tmpname == NULL) { |
76 | DSAerr(DSA_F_DSA_METH_SET1_NAME, ERR_R_MALLOC_FAILURE); |
77 | return 0; |
78 | } |
79 | |
80 | OPENSSL_free(dsam->name); |
81 | dsam->name = tmpname; |
82 | |
83 | return 1; |
84 | } |
85 | |
86 | int DSA_meth_get_flags(const DSA_METHOD *dsam) |
87 | { |
88 | return dsam->flags; |
89 | } |
90 | |
91 | int DSA_meth_set_flags(DSA_METHOD *dsam, int flags) |
92 | { |
93 | dsam->flags = flags; |
94 | return 1; |
95 | } |
96 | |
97 | void *DSA_meth_get0_app_data(const DSA_METHOD *dsam) |
98 | { |
99 | return dsam->app_data; |
100 | } |
101 | |
102 | int DSA_meth_set0_app_data(DSA_METHOD *dsam, void *app_data) |
103 | { |
104 | dsam->app_data = app_data; |
105 | return 1; |
106 | } |
107 | |
108 | DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam)) |
109 | (const unsigned char *, int, DSA *) |
110 | { |
111 | return dsam->dsa_do_sign; |
112 | } |
113 | |
114 | int DSA_meth_set_sign(DSA_METHOD *dsam, |
115 | DSA_SIG *(*sign) (const unsigned char *, int, DSA *)) |
116 | { |
117 | dsam->dsa_do_sign = sign; |
118 | return 1; |
119 | } |
120 | |
121 | int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam)) |
122 | (DSA *, BN_CTX *, BIGNUM **, BIGNUM **) |
123 | { |
124 | return dsam->dsa_sign_setup; |
125 | } |
126 | |
127 | int DSA_meth_set_sign_setup(DSA_METHOD *dsam, |
128 | int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **)) |
129 | { |
130 | dsam->dsa_sign_setup = sign_setup; |
131 | return 1; |
132 | } |
133 | |
134 | int (*DSA_meth_get_verify(const DSA_METHOD *dsam)) |
135 | (const unsigned char *, int, DSA_SIG *, DSA *) |
136 | { |
137 | return dsam->dsa_do_verify; |
138 | } |
139 | |
140 | int DSA_meth_set_verify(DSA_METHOD *dsam, |
141 | int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *)) |
142 | { |
143 | dsam->dsa_do_verify = verify; |
144 | return 1; |
145 | } |
146 | |
147 | int (*DSA_meth_get_mod_exp(const DSA_METHOD *dsam)) |
148 | (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, |
149 | const BIGNUM *, const BIGNUM *, BN_CTX *, BN_MONT_CTX *) |
150 | { |
151 | return dsam->dsa_mod_exp; |
152 | } |
153 | |
154 | int DSA_meth_set_mod_exp(DSA_METHOD *dsam, |
155 | int (*mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, |
156 | const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *, |
157 | BN_MONT_CTX *)) |
158 | { |
159 | dsam->dsa_mod_exp = mod_exp; |
160 | return 1; |
161 | } |
162 | |
163 | int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam)) |
164 | (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *, |
165 | BN_MONT_CTX *) |
166 | { |
167 | return dsam->bn_mod_exp; |
168 | } |
169 | |
170 | int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam, |
171 | int (*bn_mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, |
172 | const BIGNUM *, BN_CTX *, BN_MONT_CTX *)) |
173 | { |
174 | dsam->bn_mod_exp = bn_mod_exp; |
175 | return 1; |
176 | } |
177 | |
178 | int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *) |
179 | { |
180 | return dsam->init; |
181 | } |
182 | |
183 | int DSA_meth_set_init(DSA_METHOD *dsam, int (*init)(DSA *)) |
184 | { |
185 | dsam->init = init; |
186 | return 1; |
187 | } |
188 | |
189 | int (*DSA_meth_get_finish(const DSA_METHOD *dsam)) (DSA *) |
190 | { |
191 | return dsam->finish; |
192 | } |
193 | |
194 | int DSA_meth_set_finish(DSA_METHOD *dsam, int (*finish) (DSA *)) |
195 | { |
196 | dsam->finish = finish; |
197 | return 1; |
198 | } |
199 | |
200 | int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam)) |
201 | (DSA *, int, const unsigned char *, int, int *, unsigned long *, |
202 | BN_GENCB *) |
203 | { |
204 | return dsam->dsa_paramgen; |
205 | } |
206 | |
207 | int DSA_meth_set_paramgen(DSA_METHOD *dsam, |
208 | int (*paramgen) (DSA *, int, const unsigned char *, int, int *, |
209 | unsigned long *, BN_GENCB *)) |
210 | { |
211 | dsam->dsa_paramgen = paramgen; |
212 | return 1; |
213 | } |
214 | |
215 | int (*DSA_meth_get_keygen(const DSA_METHOD *dsam)) (DSA *) |
216 | { |
217 | return dsam->dsa_keygen; |
218 | } |
219 | |
220 | int DSA_meth_set_keygen(DSA_METHOD *dsam, int (*keygen) (DSA *)) |
221 | { |
222 | dsam->dsa_keygen = keygen; |
223 | return 1; |
224 | } |
225 | |