ARM Shanghai IoT Team (Internal) / newMiniTLS-GPL

change some parameters in the library to meet the needs of the website httpbin.org

Fork of MiniTLS-GPL by Donatien Garnier

Diff: math/addsub/fp_submod.c

Revision:
4:cbaf466d717d
Parent:
0:35aa5be3b78d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/math/addsub/fp_submod.c	Tue Jun 10 14:23:09 2014 +0000
@@ -0,0 +1,24 @@
+/* TomsFastMath, a fast ISO C bignum library.
+ * 
+ * This project is meant to fill in where LibTomMath
+ * falls short.  That is speed ;-)
+ *
+ * This project is public domain and free for all purposes.
+ * 
+ * Tom St Denis, tomstdenis@gmail.com
+ */
+#include <tfm.h>
+
+/* d = a - b (mod c) */
+int fp_submod(fp_int *a, fp_int *b, fp_int *c, fp_int *d)
+{
+  fp_int tmp;
+  fp_zero(&tmp);
+  fp_sub(a, b, &tmp);
+  return fp_mod(&tmp, c, d);
+}
+
+
+/* $Source: /cvs/libtom/tomsfastmath/src/addsub/fp_submod.c,v $ */
+/* $Revision: 1.1 $ */
+/* $Date: 2006/12/31 21:25:53 $ */