/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "internal/cryptlib.h"
-#include "bn_lcl.h"
+#include "bn_local.h"
void BN_RECP_CTX_init(BN_RECP_CTX *recp)
{
+ memset(recp, 0, sizeof(*recp));
bn_init(&(recp->N));
bn_init(&(recp->Nr));
- recp->num_bits = 0;
- recp->flags = 0;
}
BN_RECP_CTX *BN_RECP_CTX_new(void)
{
BN_RECP_CTX *ret;
- if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
- return (NULL);
+ if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
+ BNerr(BN_F_BN_RECP_CTX_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
- BN_RECP_CTX_init(ret);
+ bn_init(&(ret->N));
+ bn_init(&(ret->Nr));
ret->flags = BN_FLG_MALLOCED;
- return (ret);
+ return ret;
}
void BN_RECP_CTX_free(BN_RECP_CTX *recp)
{
if (recp == NULL)
return;
-
- BN_free(&(recp->N));
- BN_free(&(recp->Nr));
+ BN_free(&recp->N);
+ BN_free(&recp->Nr);
if (recp->flags & BN_FLG_MALLOCED)
OPENSSL_free(recp);
}
BN_zero(&(recp->Nr));
recp->num_bits = BN_num_bits(d);
recp->shift = 0;
- return (1);
+ return 1;
}
int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,
err:
BN_CTX_end(ctx);
bn_check_top(r);
- return (ret);
+ return ret;
}
int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
BIGNUM *a, *b, *d, *r;
BN_CTX_start(ctx);
+ d = (dv != NULL) ? dv : BN_CTX_get(ctx);
+ r = (rem != NULL) ? rem : BN_CTX_get(ctx);
a = BN_CTX_get(ctx);
b = BN_CTX_get(ctx);
- if (dv != NULL)
- d = dv;
- else
- d = BN_CTX_get(ctx);
- if (rem != NULL)
- r = rem;
- else
- r = BN_CTX_get(ctx);
- if (a == NULL || b == NULL || d == NULL || r == NULL)
+ if (b == NULL)
goto err;
if (BN_ucmp(m, &(recp->N)) < 0) {
return 0;
}
BN_CTX_end(ctx);
- return (1);
+ return 1;
}
/*
BN_CTX_end(ctx);
bn_check_top(dv);
bn_check_top(rem);
- return (ret);
+ return ret;
}
/*
err:
bn_check_top(r);
BN_CTX_end(ctx);
- return (ret);
+ return ret;
}