From 7b7856e00f598c2da773c47812021d4731993513 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rapha=C3=ABl=20Couturier?= <raphael.couturier@univ-fcomte.fr>
Date: Sun, 1 Mar 2020 14:49:07 +0100
Subject: [PATCH] new
---
OneRoundIoT/OneRound/rc4_hash3.cpp | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/OneRoundIoT/OneRound/rc4_hash3.cpp b/OneRoundIoT/OneRound/rc4_hash3.cpp
index 243fc1e..9277f1f 100644
--- a/OneRoundIoT/OneRound/rc4_hash3.cpp
+++ b/OneRoundIoT/OneRound/rc4_hash3.cpp
@@ -163,34 +163,23 @@ inline static uint64_t splitmix64(uint64_t index) {
//the proposed hash function, which is based on DSD structure. Sensitivity is ensured by employing the binary diffusion
-void hash_DSD_BIN(uchar* seq_in, uchar* RM1,int len, uchar *S, int h) {
+void hash_DSD_BIN(uint64_t * ss, uint64_t* rm,int len,int h) {
- // Goal: Calculate the hash value
- // Output: RM (hash value)
- //uchar X[h];
- //uint64_t rm2[h>>8];
int ind1=0;
- uint64_t *rm=(uint64_t*)RM1;
- // uint64_t *xx=(uint64_t*)X;
- uint64_t *ss=(uint64_t*)seq_in;
int a=0;
for(int it=0;it<len;it++) {
- // Mix with dynamic RM
rm[0]=rm[h-1]^ss[ind1];
rm[0]=xorshift64(rm[0] );
for(a=1;a<h;a++) {
rm[a]=rm[a-1]^ss[ind1+a];
rm[a]=xorshift64(rm[a]);
}
- // printf("argh %d\n",a);
- //rm[0]=xorshift64(rm[a-1]);
-
ind1+=h;
}
@@ -369,10 +358,15 @@ int main(int argc, char** argv) {
time=0;
+ uint64_t *rm=(uint64_t*)RM1;
+ uint64_t *ss=(uint64_t*)seq;
+
+
+
t=TimeStart();
for(int i=0;i<nb_test;i++)
{
- hash_DSD_BIN(seq, RM1,len,Sbox1,h>>3);
+ hash_DSD_BIN(ss, rm,len,h>>3);
}
--
2.39.5