Merge pull request #1 from auth12/windows

Windows

1 files changed, 97 insertions, 0 deletions

diff --git a/client/wolfssl/wolfcrypt/src/fp_sqr_comba_4.i b/client/wolfssl/wolfcrypt/src/fp_sqr_comba_4.i
new file mode 100644
index 0000000..b7f2572
--- /dev/null
+++ b/client/wolfssl/wolfcrypt/src/fp_sqr_comba_4.i
@@ -0,0 +1,97 @@
+/* fp_sqr_comba_4.i
+ *
+ * Copyright (C) 2006-2020 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL 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.
+ *
+ * wolfSSL 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 02110-1335, USA
+ */
+
+
+
+#ifdef TFM_SQR4
+int fp_sqr_comba4(fp_int *A, fp_int *B)
+{
+   fp_digit *a, c0, c1, c2;
+#ifdef TFM_ISO
+   fp_word tt;
+#endif
+#ifndef WOLFSSL_SMALL_STACK
+   fp_digit b[8];
+#else
+   fp_digit *b;
+#endif
+
+#ifdef WOLFSSL_SMALL_STACK
+   b = (fp_digit*)XMALLOC(sizeof(fp_digit) * 8, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+   if (b == NULL)
+      return FP_MEM;
+#endif
+
+   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[1], a[3]); SQRADD(a[2], a[2]); 
+   COMBA_STORE(b[4]);
+
+   /* output 5 */
+   CARRY_FORWARD;
+   SQRADD2(a[2], a[3]); 
+   COMBA_STORE(b[5]);
+
+   /* output 6 */
+   CARRY_FORWARD;
+   SQRADD(a[3], a[3]); 
+   COMBA_STORE(b[6]);
+   COMBA_STORE2(b[7]);
+   COMBA_FINI;
+
+   B->used = 8;
+   B->sign = FP_ZPOS;
+   XMEMCPY(B->dp, b, 8 * sizeof(fp_digit));
+   fp_clamp(B);
+
+#ifdef WOLFSSL_SMALL_STACK
+   XFREE(b, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+#endif
+   return FP_OKAY;
+}
+#endif
+
+