[331] | 1 | /*
|
---|
| 2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
---|
| 3 | *
|
---|
| 4 | * Licensed under the OpenSSL license (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 OpenSSL licenses, (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_locl.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(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 | }
|
---|