From 7fb643d8945fdbc34731e7f760ff436977a357e3 Mon Sep 17 00:00:00 2001
From: sowle <crypto.sowle@gmail.com>
Date: Thu, 22 Apr 2021 01:34:51 +0300
Subject: [PATCH] crypto: cn_fast_hash is a bit more faster now

---
 src/crypto/hash-ops.h | 2 +-
 src/crypto/hash.c     | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/crypto/hash-ops.h b/src/crypto/hash-ops.h
index 1f156b1b..fcc06d14 100644
--- a/src/crypto/hash-ops.h
+++ b/src/crypto/hash-ops.h
@@ -52,8 +52,8 @@ void hash_process(union hash_state *state, const uint8_t *buf, size_t count);
 #define HASH_DATA_AREA 136
 
 
+void cn_fast_hash_old(const void *data, size_t length, char *hash);
 void cn_fast_hash(const void *data, size_t length, char *hash);
-//void cn_slow_hash(const void *data, size_t length, char *hash);
 
 void hash_extra_blake(const void *data, size_t length, char *hash);
 void hash_extra_groestl(const void *data, size_t length, char *hash);
diff --git a/src/crypto/hash.c b/src/crypto/hash.c
index 219c060e..e9d35a68 100644
--- a/src/crypto/hash.c
+++ b/src/crypto/hash.c
@@ -1,3 +1,4 @@
+// Copyright (c) 2020-2021 Zano project
 // Copyright (c) 2012-2013 The Cryptonote developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -17,8 +18,14 @@ void hash_process(union hash_state *state, const uint8_t *buf, size_t count) {
   keccak1600(buf, (int)count, (uint8_t*)state);
 }
 
-void cn_fast_hash(const void *data, size_t length, char *hash) {
+void cn_fast_hash_old(const void *data, size_t length, char *hash)
+{
   union hash_state state;
   hash_process(&state, data, length);
   memcpy(hash, &state, HASH_SIZE);
 }
+
+void cn_fast_hash(const void *data, size_t length, char *hash)
+{
+  keccak(data, (int)length, hash, HASH_SIZE);
+}