From bf2fc59ca6103d84c50068fe233c32bd413fd239 Mon Sep 17 00:00:00 2001
From: Evan Su <48808396+HACKERALERT@users.noreply.github.com>
Date: Mon, 22 Mar 2021 09:29:29 -0400
Subject: [PATCH] Create BLAKE2s.c

---
 audit/BLAKE2s.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 audit/BLAKE2s.c

diff --git a/audit/BLAKE2s.c b/audit/BLAKE2s.c
new file mode 100644
index 0000000..ef92833
--- /dev/null
+++ b/audit/BLAKE2s.c
@@ -0,0 +1,67 @@
+/* ===================================================================
+ *
+ * Copyright (c) 2014, Legrandin <helderijs@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * ===================================================================
+ */
+
+#include "common.h"
+
+#define F_ROUNDS 10
+#define MAX_DIGEST_BYTES 32
+#define MAX_KEY_BYTES    32
+#define BLAKE2_WORD_SIZE 32
+#define G_R1 16
+#define G_R2 12
+#define G_R3 8
+#define G_R4 7
+
+typedef uint32_t blake2_word;
+
+#define STORE_WORD_LITTLE(p, w)     STORE_U32_LITTLE(p, w)
+#define LOAD_WORD_LITTLE(p)         LOAD_U32_LITTLE(p)
+
+static const uint32_t iv[8] = {
+    0x6A09E667U,
+    0xBB67AE85U,
+    0x3C6EF372U,
+    0xA54FF53AU,
+    0x510E527FU,
+    0x9B05688CU,
+    0x1F83D9ABU,
+    0x5BE0CD19U
+};
+
+#define blake2_init blake2s_init
+#define blake2_copy blake2s_copy
+#define blake2_destroy blake2s_destroy
+#define blake2_digest blake2s_digest
+#define blake2_update blake2s_update
+
+FAKE_INIT(BLAKE2s)
+
+#include "blake2.c"