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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
*/
/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
*
* All curves taken from NIST recommendation paper of July 1999
* Available at http://csrc.nist.gov/cryptval/dss.htm
*/
#include "tomcrypt.h"
/**
@file ltc_ecc_points.c
ECC Crypto, Tom St Denis
*/
#ifdef LTC_MECC
/**
Allocate a new ECC point
@return A newly allocated point or NULL on error
*/
ecc_point *ltc_ecc_new_point(void)
{
ecc_point *p;
p = XCALLOC(1, sizeof(*p));
if (p == NULL) {
return NULL;
}
if (mp_init_multi(&p->x, &p->y, &p->z, NULL) != CRYPT_OK) {
XFREE(p);
return NULL;
}
return p;
}
/** Free an ECC point from memory
@param p The point to free
*/
void ltc_ecc_del_point(ecc_point *p)
{
/* prevents free'ing null arguments */
if (p != NULL) {
mp_clear_multi(p->x, p->y, p->z, NULL); /* note: p->z may be NULL but that's ok with this function anyways */
XFREE(p);
}
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
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