1 files changed, 86 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/ge_448.h b/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/ge_448.h
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index 000000000..51cb02af6
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+++ b/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/ge_448.h
@@ -0,0 +1,86 @@
+/* ge_448.h
+ *
+ * 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
+ */
+
+
+#ifndef WOLF_CRYPT_GE_448_H
+#define WOLF_CRYPT_GE_448_H
+
+#include <wolfssl/wolfcrypt/settings.h>
+
+#ifdef HAVE_ED448
+
+#include <wolfssl/wolfcrypt/fe_448.h>
+
+/*
+ge448 means group element.
+
+Here the group is the set of pairs (x,y) of field elements (see fe.h)
+satisfying -x^2 + y^2 = 1 + d x^2y^2
+where d = -39081.
+
+Representations:
+  ge448_p2 (projective) : (X:Y:Z) satisfying x=X/Z, y=Y/Z
+  ge448_precomp (affine): (x,y)
+*/
+
+#ifdef ED448_SMALL
+    typedef byte     ge448;
+    #define GE448_WORDS    56
+#elif defined(CURVED448_128BIT)
+    typedef int64_t  ge448;
+    #define GE448_WORDS    8
+#else
+    typedef int32_t  ge448;
+    #define GE448_WORDS    16
+#endif
+
+typedef struct {
+  ge448 X[GE448_WORDS];
+  ge448 Y[GE448_WORDS];
+  ge448 Z[GE448_WORDS];
+} ge448_p2;
+
+
+WOLFSSL_LOCAL int  ge448_compress_key(byte*, const byte*, const byte*);
+WOLFSSL_LOCAL int  ge448_from_bytes_negate_vartime(ge448_p2 *,
+                                                   const unsigned char *);
+
+WOLFSSL_LOCAL int  ge448_double_scalarmult_vartime(ge448_p2 *,
+                                                   const unsigned char *,
+                                                   const ge448_p2 *,
+                                                   const unsigned char *);
+WOLFSSL_LOCAL void ge448_scalarmult_base(ge448_p2 *, const unsigned char *);
+WOLFSSL_LOCAL void sc448_reduce(byte*);
+WOLFSSL_LOCAL void sc448_muladd(byte*, const byte*, const byte*, const byte*);
+WOLFSSL_LOCAL void ge448_to_bytes(unsigned char *, const ge448_p2 *);
+
+
+#ifndef ED448_SMALL
+typedef struct {
+  ge448 x[GE448_WORDS];
+  ge448 y[GE448_WORDS];
+} ge448_precomp;
+
+#endif /* !ED448_SMALL */
+
+#endif /* HAVE_ED448 */
+
+#endif /* WOLF_CRYPT_GE_448_H */