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/*
This file is part of tgl-library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Copyright Ben Wiederhake 2015
*/
#include "../config.h"
#ifndef TGL_AVOID_OPENSSL
#include <assert.h>
#include <openssl/bn.h>
#include "bn.h"
#include "meta.h"
TGLC_WRAPPER_ASSOC(bn_ctx,BN_CTX)
TGLC_WRAPPER_ASSOC(bn,BIGNUM)
TGLC_bn_ctx *TGLC_bn_ctx_new (void) {
return wrap_bn_ctx (BN_CTX_new ());
}
void TGLC_bn_ctx_free (TGLC_bn_ctx* ctx) {
BN_CTX_free (unwrap_bn_ctx (ctx));
}
TGLC_bn *TGLC_bn_new (void) {
return wrap_bn (BN_new ());
}
void TGLC_bn_free (TGLC_bn *a) {
BN_free (unwrap_bn (a));
}
void TGLC_bn_clear_free (TGLC_bn *a) {
BN_clear_free (unwrap_bn (a));
}
int TGLC_bn_cmp (const TGLC_bn *a, const TGLC_bn *b) {
return BN_cmp (unwrap_bn (a), unwrap_bn (b));
}
int TGLC_bn_is_prime (const TGLC_bn *a, int checks, void (*callback) (int, int, void *), TGLC_bn_ctx *ctx, void *cb_arg) {
return BN_is_prime (unwrap_bn (a), checks, callback, unwrap_bn_ctx (ctx), cb_arg);
}
int TGLC_bn_bn2bin (const TGLC_bn *a, unsigned char *to) {
return BN_bn2bin (unwrap_bn (a), to);
}
TGLC_bn * TGLC_bn_bin2bn(const unsigned char *s, int len, TGLC_bn *ret) {
return wrap_bn (BN_bin2bn (s, len, unwrap_bn (ret)));
}
int TGLC_bn_set_word (TGLC_bn *a, unsigned long w) {
return BN_set_word (unwrap_bn (a), w);
}
unsigned long TGLC_bn_get_word (const TGLC_bn *a) {
return BN_get_word (unwrap_bn (a));
}
int TGLC_bn_num_bits (const TGLC_bn *a) {
return BN_num_bits (unwrap_bn (a));
}
void TGLC_bn_sub (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *b) {
int res = BN_sub (unwrap_bn (r), unwrap_bn (a), unwrap_bn (b));
assert (res);
}
int TGLC_bn_div (TGLC_bn *dv, TGLC_bn *rem, const TGLC_bn *a, const TGLC_bn *d, TGLC_bn_ctx *ctx) {
return BN_div (unwrap_bn (dv), unwrap_bn (rem), unwrap_bn (a), unwrap_bn (d), unwrap_bn_ctx (ctx));
}
int TGLC_bn_mod_exp (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *p, const TGLC_bn *m, TGLC_bn_ctx *ctx) {
return BN_mod_exp (unwrap_bn (r), unwrap_bn (a), unwrap_bn (p), unwrap_bn (m), unwrap_bn_ctx (ctx));
}
#endif
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