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-rw-r--r--release/src/router/cyassl/ctaocrypt/src/fp_mul_comba_8.i76
1 files changed, 76 insertions, 0 deletions
diff --git a/release/src/router/cyassl/ctaocrypt/src/fp_mul_comba_8.i b/release/src/router/cyassl/ctaocrypt/src/fp_mul_comba_8.i
new file mode 100644
index 00000000..acd0c6a5
--- /dev/null
+++ b/release/src/router/cyassl/ctaocrypt/src/fp_mul_comba_8.i
@@ -0,0 +1,76 @@
+#ifdef TFM_MUL8
+void fp_mul_comba8(fp_int *A, fp_int *B, fp_int *C)
+{
+ fp_digit c0, c1, c2, at[16];
+
+ memcpy(at, A->dp, 8 * sizeof(fp_digit));
+ memcpy(at+8, B->dp, 8 * sizeof(fp_digit));
+ COMBA_START;
+
+ COMBA_CLEAR;
+ /* 0 */
+ MULADD(at[0], at[8]);
+ COMBA_STORE(C->dp[0]);
+ /* 1 */
+ COMBA_FORWARD;
+ MULADD(at[0], at[9]); MULADD(at[1], at[8]);
+ COMBA_STORE(C->dp[1]);
+ /* 2 */
+ COMBA_FORWARD;
+ MULADD(at[0], at[10]); MULADD(at[1], at[9]); MULADD(at[2], at[8]);
+ COMBA_STORE(C->dp[2]);
+ /* 3 */
+ COMBA_FORWARD;
+ MULADD(at[0], at[11]); MULADD(at[1], at[10]); MULADD(at[2], at[9]); MULADD(at[3], at[8]);
+ COMBA_STORE(C->dp[3]);
+ /* 4 */
+ COMBA_FORWARD;
+ MULADD(at[0], at[12]); MULADD(at[1], at[11]); MULADD(at[2], at[10]); MULADD(at[3], at[9]); MULADD(at[4], at[8]);
+ COMBA_STORE(C->dp[4]);
+ /* 5 */
+ 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]); MULADD(at[5], at[8]);
+ COMBA_STORE(C->dp[5]);
+ /* 6 */
+ 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]); MULADD(at[6], at[8]);
+ COMBA_STORE(C->dp[6]);
+ /* 7 */
+ 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]); MULADD(at[7], at[8]);
+ COMBA_STORE(C->dp[7]);
+ /* 8 */
+ COMBA_FORWARD;
+ 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[8]);
+ /* 9 */
+ COMBA_FORWARD;
+ 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]);
+ COMBA_STORE(C->dp[9]);
+ /* 10 */
+ COMBA_FORWARD;
+ 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]);
+ COMBA_STORE(C->dp[10]);
+ /* 11 */
+ COMBA_FORWARD;
+ MULADD(at[4], at[15]); MULADD(at[5], at[14]); MULADD(at[6], at[13]); MULADD(at[7], at[12]);
+ COMBA_STORE(C->dp[11]);
+ /* 12 */
+ COMBA_FORWARD;
+ MULADD(at[5], at[15]); MULADD(at[6], at[14]); MULADD(at[7], at[13]);
+ COMBA_STORE(C->dp[12]);
+ /* 13 */
+ COMBA_FORWARD;
+ MULADD(at[6], at[15]); MULADD(at[7], at[14]);
+ COMBA_STORE(C->dp[13]);
+ /* 14 */
+ COMBA_FORWARD;
+ MULADD(at[7], at[15]);
+ COMBA_STORE(C->dp[14]);
+ COMBA_STORE2(C->dp[15]);
+ C->used = 16;
+ C->sign = A->sign ^ B->sign;
+ fp_clamp(C);
+ COMBA_FINI;
+}
+#endif