Donatien Garnier / MiniTLS-GPL

A super trimmed down TLS stack, GPL licensed

Dependents:   MiniTLS-HTTPS-Example

MiniTLS - A super trimmed down TLS/SSL Library for embedded devices Author: Donatien Garnier Copyright (C) 2013-2014 AppNearMe Ltd

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Diff: math/mul/fp_mul_comba_9.c

Revision:
0:35aa5be3b78d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/math/mul/fp_mul_comba_9.c	Fri Jun 06 10:49:02 2014 +0000
@@ -0,0 +1,87 @@
+#define TFM_DEFINES
+#include "fp_mul_comba.c"
+
+#ifdef TFM_MUL9
+void fp_mul_comba9(fp_int *A, fp_int *B, fp_int *C)
+{
+   fp_digit c0, c1, c2, at[18];
+
+   memcpy(at, A->dp, 9 * sizeof(fp_digit));
+   memcpy(at+9, B->dp, 9 * sizeof(fp_digit));
+   COMBA_START;
+
+   COMBA_CLEAR;
+   /* 0 */
+   MULADD(at[0], at[9]); 
+   COMBA_STORE(C->dp[0]);
+   /* 1 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[10]);    MULADD(at[1], at[9]); 
+   COMBA_STORE(C->dp[1]);
+   /* 2 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[11]);    MULADD(at[1], at[10]);    MULADD(at[2], at[9]); 
+   COMBA_STORE(C->dp[2]);
+   /* 3 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[12]);    MULADD(at[1], at[11]);    MULADD(at[2], at[10]);    MULADD(at[3], at[9]); 
+   COMBA_STORE(C->dp[3]);
+   /* 4 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[13]);    MULADD(at[1], at[12]);    MULADD(at[2], at[11]);    MULADD(at[3], at[10]);    MULADD(at[4], at[9]); 
+   COMBA_STORE(C->dp[4]);
+   /* 5 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[14]);    MULADD(at[1], at[13]);    MULADD(at[2], at[12]);    MULADD(at[3], at[11]);    MULADD(at[4], at[10]);    MULADD(at[5], at[9]); 
+   COMBA_STORE(C->dp[5]);
+   /* 6 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[15]);    MULADD(at[1], at[14]);    MULADD(at[2], at[13]);    MULADD(at[3], at[12]);    MULADD(at[4], at[11]);    MULADD(at[5], at[10]);    MULADD(at[6], at[9]); 
+   COMBA_STORE(C->dp[6]);
+   /* 7 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[16]);    MULADD(at[1], at[15]);    MULADD(at[2], at[14]);    MULADD(at[3], at[13]);    MULADD(at[4], at[12]);    MULADD(at[5], at[11]);    MULADD(at[6], at[10]);    MULADD(at[7], at[9]); 
+   COMBA_STORE(C->dp[7]);
+   /* 8 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[17]);    MULADD(at[1], at[16]);    MULADD(at[2], at[15]);    MULADD(at[3], at[14]);    MULADD(at[4], at[13]);    MULADD(at[5], at[12]);    MULADD(at[6], at[11]);    MULADD(at[7], at[10]);    MULADD(at[8], at[9]); 
+   COMBA_STORE(C->dp[8]);
+   /* 9 */
+   COMBA_FORWARD;
+   MULADD(at[1], at[17]);    MULADD(at[2], at[16]);    MULADD(at[3], at[15]);    MULADD(at[4], at[14]);    MULADD(at[5], at[13]);    MULADD(at[6], at[12]);    MULADD(at[7], at[11]);    MULADD(at[8], at[10]); 
+   COMBA_STORE(C->dp[9]);
+   /* 10 */
+   COMBA_FORWARD;
+   MULADD(at[2], at[17]);    MULADD(at[3], at[16]);    MULADD(at[4], at[15]);    MULADD(at[5], at[14]);    MULADD(at[6], at[13]);    MULADD(at[7], at[12]);    MULADD(at[8], at[11]); 
+   COMBA_STORE(C->dp[10]);
+   /* 11 */
+   COMBA_FORWARD;
+   MULADD(at[3], at[17]);    MULADD(at[4], at[16]);    MULADD(at[5], at[15]);    MULADD(at[6], at[14]);    MULADD(at[7], at[13]);    MULADD(at[8], at[12]); 
+   COMBA_STORE(C->dp[11]);
+   /* 12 */
+   COMBA_FORWARD;
+   MULADD(at[4], at[17]);    MULADD(at[5], at[16]);    MULADD(at[6], at[15]);    MULADD(at[7], at[14]);    MULADD(at[8], at[13]); 
+   COMBA_STORE(C->dp[12]);
+   /* 13 */
+   COMBA_FORWARD;
+   MULADD(at[5], at[17]);    MULADD(at[6], at[16]);    MULADD(at[7], at[15]);    MULADD(at[8], at[14]); 
+   COMBA_STORE(C->dp[13]);
+   /* 14 */
+   COMBA_FORWARD;
+   MULADD(at[6], at[17]);    MULADD(at[7], at[16]);    MULADD(at[8], at[15]); 
+   COMBA_STORE(C->dp[14]);
+   /* 15 */
+   COMBA_FORWARD;
+   MULADD(at[7], at[17]);    MULADD(at[8], at[16]); 
+   COMBA_STORE(C->dp[15]);
+   /* 16 */
+   COMBA_FORWARD;
+   MULADD(at[8], at[17]); 
+   COMBA_STORE(C->dp[16]);
+   COMBA_STORE2(C->dp[17]);
+   C->used = 18;
+   C->sign = A->sign ^ B->sign;
+   fp_clamp(C);
+   COMBA_FINI;
+}
+#endif