1 /* dsa.c 2 3 The DSA publickey algorithm. 4 5 Copyright (C) 2002 Niels Möller 6 7 This file is part of GNU Nettle. 8 9 GNU Nettle is free software: you can redistribute it and/or 10 modify it under the terms of either: 11 12 * the GNU Lesser General Public License as published by the Free 13 Software Foundation; either version 3 of the License, or (at your 14 option) any later version. 15 16 or 17 18 * the GNU General Public License as published by the Free 19 Software Foundation; either version 2 of the License, or (at your 20 option) any later version. 21 22 or both in parallel, as here. 23 24 GNU Nettle is distributed in the hope that it will be useful, 25 but WITHOUT ANY WARRANTY; without even the implied warranty of 26 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 27 General Public License for more details. 28 29 You should have received copies of the GNU General Public License and 30 the GNU Lesser General Public License along with this program. If 31 not, see http://www.gnu.org/licenses/. 32 */ 33 34 #if HAVE_CONFIG_H 35 # include "config.h" 36 #endif 37 38 #include "dsa.h" 39 #include "dsa-internal.h" 40 41 #include "bignum.h" 42 43 void dsa_params_init(struct dsa_params * params)44dsa_params_init (struct dsa_params *params) 45 { 46 mpz_init(params->p); 47 mpz_init(params->q); 48 mpz_init(params->g); 49 } 50 51 void dsa_params_clear(struct dsa_params * params)52dsa_params_clear (struct dsa_params *params) 53 { 54 mpz_clear(params->p); 55 mpz_clear(params->q); 56 mpz_clear(params->g); 57 } 58 59 void dsa_signature_init(struct dsa_signature * signature)60dsa_signature_init(struct dsa_signature *signature) 61 { 62 mpz_init(signature->r); 63 mpz_init(signature->s); 64 } 65 66 void dsa_signature_clear(struct dsa_signature * signature)67dsa_signature_clear(struct dsa_signature *signature) 68 { 69 mpz_clear(signature->r); 70 mpz_clear(signature->s); 71 } 72