From 5ac03256db0fe4ca7e3ad1117d096c3a76368b76 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 9 Jan 2015 09:46:07 +0100
Subject: backported CyaSSL/OpenSSL support for internal webserver instead of
 MatrixSSL

---
 .../router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i   | 105 +++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 release/src/router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i

(limited to 'release/src/router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i')

diff --git a/release/src/router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i b/release/src/router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i
new file mode 100644
index 00000000..531a3252
--- /dev/null
+++ b/release/src/router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i
@@ -0,0 +1,105 @@
+#ifdef TFM_SQR9
+void fp_sqr_comba9(fp_int *A, fp_int *B)
+{
+   fp_digit *a, b[18], c0, c1, c2, sc0, sc1, sc2;
+
+   a = A->dp;
+   COMBA_START; 
+
+   /* clear carries */
+   CLEAR_CARRY;
+
+   /* output 0 */
+   SQRADD(a[0],a[0]);
+   COMBA_STORE(b[0]);
+
+   /* output 1 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[1]); 
+   COMBA_STORE(b[1]);
+
+   /* output 2 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[2]); SQRADD(a[1], a[1]); 
+   COMBA_STORE(b[2]);
+
+   /* output 3 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[3]); SQRADD2(a[1], a[2]); 
+   COMBA_STORE(b[3]);
+
+   /* output 4 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[4]); SQRADD2(a[1], a[3]); SQRADD(a[2], a[2]); 
+   COMBA_STORE(b[4]);
+
+   /* output 5 */
+   CARRY_FORWARD;
+   SQRADDSC(a[0], a[5]); SQRADDAC(a[1], a[4]); SQRADDAC(a[2], a[3]); SQRADDDB; 
+   COMBA_STORE(b[5]);
+
+   /* output 6 */
+   CARRY_FORWARD;
+   SQRADDSC(a[0], a[6]); SQRADDAC(a[1], a[5]); SQRADDAC(a[2], a[4]); SQRADDDB; SQRADD(a[3], a[3]); 
+   COMBA_STORE(b[6]);
+
+   /* output 7 */
+   CARRY_FORWARD;
+   SQRADDSC(a[0], a[7]); SQRADDAC(a[1], a[6]); SQRADDAC(a[2], a[5]); SQRADDAC(a[3], a[4]); SQRADDDB; 
+   COMBA_STORE(b[7]);
+
+   /* output 8 */
+   CARRY_FORWARD;
+   SQRADDSC(a[0], a[8]); SQRADDAC(a[1], a[7]); SQRADDAC(a[2], a[6]); SQRADDAC(a[3], a[5]); SQRADDDB; SQRADD(a[4], a[4]); 
+   COMBA_STORE(b[8]);
+
+   /* output 9 */
+   CARRY_FORWARD;
+   SQRADDSC(a[1], a[8]); SQRADDAC(a[2], a[7]); SQRADDAC(a[3], a[6]); SQRADDAC(a[4], a[5]); SQRADDDB; 
+   COMBA_STORE(b[9]);
+
+   /* output 10 */
+   CARRY_FORWARD;
+   SQRADDSC(a[2], a[8]); SQRADDAC(a[3], a[7]); SQRADDAC(a[4], a[6]); SQRADDDB; SQRADD(a[5], a[5]); 
+   COMBA_STORE(b[10]);
+
+   /* output 11 */
+   CARRY_FORWARD;
+   SQRADDSC(a[3], a[8]); SQRADDAC(a[4], a[7]); SQRADDAC(a[5], a[6]); SQRADDDB; 
+   COMBA_STORE(b[11]);
+
+   /* output 12 */
+   CARRY_FORWARD;
+   SQRADD2(a[4], a[8]); SQRADD2(a[5], a[7]); SQRADD(a[6], a[6]); 
+   COMBA_STORE(b[12]);
+
+   /* output 13 */
+   CARRY_FORWARD;
+   SQRADD2(a[5], a[8]); SQRADD2(a[6], a[7]); 
+   COMBA_STORE(b[13]);
+
+   /* output 14 */
+   CARRY_FORWARD;
+   SQRADD2(a[6], a[8]); SQRADD(a[7], a[7]); 
+   COMBA_STORE(b[14]);
+
+   /* output 15 */
+   CARRY_FORWARD;
+   SQRADD2(a[7], a[8]); 
+   COMBA_STORE(b[15]);
+
+   /* output 16 */
+   CARRY_FORWARD;
+   SQRADD(a[8], a[8]); 
+   COMBA_STORE(b[16]);
+   COMBA_STORE2(b[17]);
+   COMBA_FINI;
+
+   B->used = 18;
+   B->sign = FP_ZPOS;
+   memcpy(B->dp, b, 18 * sizeof(fp_digit));
+   fp_clamp(B);
+}
+#endif
+
+
-- 
cgit v1.2.3-54-g00ecf