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Diffstat (limited to 'libtomcrypt/src/pk/ecc/ltc_ecc_points.c')
-rw-r--r--libtomcrypt/src/pk/ecc/ltc_ecc_points.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/libtomcrypt/src/pk/ecc/ltc_ecc_points.c b/libtomcrypt/src/pk/ecc/ltc_ecc_points.c
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+++ b/libtomcrypt/src/pk/ecc/ltc_ecc_points.c
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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://libtomcrypt.com
+ */
+
+/* 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 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: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_points.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/04 02:19:48 $ */
+