#!/bin/bash
export BIRTHDAYSEARCH=../md5birthdaysearch
export HELPER=../md5diffpathhelper
export FORWARD=../md5diffpathforward
export BACKWARD=../md5diffpathbackward
export CONNECT=../md5diffpathconnect
export CPUS=8
export TTT=12
rm -r data 2>/dev/null
mkdir data || exit 1
file1=$1
file2=$2
if [ -f "$file1" -a -f "$file2" ]; then
echo "Chosen-prefix file 1: $file1"
echo "Chosen-prefix file 2: $file2"
else
echo "Usage $0 <file1> <file2> [<redonearcollstep>] [<nobirthday>]"
exit 1
fi
if [ "$3" = "" ] ; then
echo "birthday searching\r"
$BIRTHDAYSEARCH --inputfile1 "$file1" --inputfile2 "$file2" --hybridbits 0 --pathtyperange 2 --maxblocks 9 --maxmemory 100 --cuda_enabled --threads $CPUS
else
if [ "$4" != "" ]; then
cp $file1 file1.bin
cp $file2 file2.bin
fi
fi
function doforward {
echo "forward"
$FORWARD -w $1 -f $1/lowerpath.bin.gz --normalt01 -t 1 --trange $(($TTT-2)) || exit 1
}
function dobackward {
echo "backward"
$BACKWARD -w $1 -f $1/upperpath.bin.gz -t 34 --trange 4 -a 65536 -q 128 || exit 1
$BACKWARD -w $1 -t 29 --trange 8 || exit 1
$BACKWARD -w $1 -t 20 -a 16384 || exit 1
$BACKWARD -w $1 -t 19 --trange $((18-$TTT-4)) || exit 1
$BACKWARD -w $1 -t $(($TTT+4)) --maxweight 13 --minweight 10 || exit 1
}
function testcoll {
echo "testcoll"
for f in $1/coll1_*; do
if [ -e `echo $f | sed s/coll1/coll2/` ]; then return 0; fi
done
return 1
}
function doconnect {
echo "connect"
let c=0
CPIDS=""
while [ $c -lt $CPUS ]; do
mkdir $1/connect$c
$CONNECT -w $1/connect$c -t $TTT --inputfilelow $1/paths$(($TTT-1))_0of1.bin.gz --inputfilehigh $1/paths$(($TTT+4))_0of1.bin.gz -m $CPUS -i $c &
CPIDS="$CPIDS $!"
let c=c+1
done
let contime=0
while true; do
sleep 5
let contime=contime+$((5*$CPUS))
cstop=true;
for cp in $CPIDS; do
if ps -p $cp 2>/dev/null >/dev/null; then cstop=false; fi
done
if $cstop; then break; fi
if testcoll $1 ; then
sleep 5
kill $CPIDS
break;
fi
if [ $contime -gt 7200 ]; then
kill $CPIDS
break;
fi
done
}
function docollfind {
echo "collfind"
cf=""
for f in `ls -t $2/bestpath*.bin.gz`; do
$HELPER -w $1 --findcoll $f 2>&1 > $2/helper.log &
pid=$!
sleep 10
kill $pid
if [ `grep "^[.].*$" $2/helper.log | wc -l` -gt 0 ]; then cf=$f; break; fi
done
$HELPER -w $1 --findcoll $cf &
CPID=$!
while true; do
if testcoll $1 ; then break; fi
sleep 1
done
sleep 5
kill $CPID
}
cp file1.bin file1_0.bin
cp file2.bin file2_0.bin
let k=0$3
while true; do
rm -r workdir$k 2>/dev/null
mkdir workdir$k
$HELPER -w workdir$k --startnearcollision file1_$k.bin file2_$k.bin --pathtyperange 2 || exit
cp *.cfg workdir$k
if [ $CPUS -gt 1 ]; then
doforward workdir$k &
fpid=$!
dobackward workdir$k &
bpid=$!
while true; do
if ps -p $fpid 2>/dev/null >/dev/null; then continue; fi
if ps -p $bpid 2>/dev/null >/dev/null; then continue; fi
break;
done
else
doforward workdir$k
dobackward workdir$k
fi
doconnect workdir$k
for d in workdir$k/connect*; do
docollfind workdir$k $d &
done
while true; do
if testcoll workdir$k ; then break; fi
sleep 1
done
sleep 5
for f in workdir$k/coll1_*; do
if [ -e `echo $f | sed s/coll1/coll2/` ]; then
cat file1_$k.bin $f > file1_$(($k+1)).bin
cat file2_$k.bin `echo $f | sed s/coll1/coll2/` > file2_$(($k+1)).bin
cp file1_$(($k+1)).bin ${file1}.coll
cp file2_$(($k+1)).bin ${file2}.coll
break;
fi
done
let k=k+1
done
