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-rw-r--r--release/src/router/cyassl/ctaocrypt/src/fp_sqr_comba_9.i105
1 files changed, 105 insertions, 0 deletions
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
+
+