1 /* $OpenBSD: dsa_meth.c,v 1.1 2018/03/17 15:19:12 tb Exp $ */ 2 /* 3 * Copyright (c) 2018 Theo Buehler <tb@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <stdlib.h> 19 #include <string.h> 20 21 #include <openssl/dsa.h> 22 #include <openssl/err.h> 23 24 DSA_METHOD * 25 DSA_meth_new(const char *name, int flags) 26 { 27 DSA_METHOD *meth; 28 29 if ((meth = calloc(1, sizeof(*meth))) == NULL) 30 return NULL; 31 if ((meth->name = strdup(name)) == NULL) { 32 free(meth); 33 return NULL; 34 } 35 meth->flags = flags; 36 37 return meth; 38 } 39 40 void 41 DSA_meth_free(DSA_METHOD *meth) 42 { 43 if (meth != NULL) { 44 free((char *)meth->name); 45 free(meth); 46 } 47 } 48 49 DSA_METHOD * 50 DSA_meth_dup(const DSA_METHOD *meth) 51 { 52 DSA_METHOD *copy; 53 54 if ((copy = calloc(1, sizeof(*copy))) == NULL) 55 return NULL; 56 memcpy(copy, meth, sizeof(*copy)); 57 if ((copy->name = strdup(meth->name)) == NULL) { 58 free(copy); 59 return NULL; 60 } 61 62 return copy; 63 } 64 65 int 66 DSA_meth_set_sign(DSA_METHOD *meth, 67 DSA_SIG *(*sign)(const unsigned char *, int, DSA *)) 68 { 69 meth->dsa_do_sign = sign; 70 return 1; 71 } 72 73 int 74 DSA_meth_set_finish(DSA_METHOD *meth, int (*finish)(DSA *)) 75 { 76 meth->finish = finish; 77 return 1; 78 } 79