pfaure/PSI
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Processeur securisé

Browse source
This commit is contained in:
Paul Faure 2021-06-23 18:07:13 +02:00
parent 3fd5d3fbef
commit 1ec8f84f21
4 changed files with 50 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Interpreteur

@ -1 +1 @@
Subproject commit 95409eb5bff39457f161a6b93c2024d2fe8a90d1
Subproject commit 725e0125079b6bde8ad032a3be21910980900ec4

2
InterpreteurRegistres

@ -1 +1 @@
Subproject commit a4ecb5505dc66b71aee4d3d9ccccdbe17079f3d9
Subproject commit bff261fa01129da9135f95f16bf4124366ea24fe

2
Processeur

@ -1 +1 @@
Subproject commit f25ee2735abfbaf0cd46ea0236f2ef267e752ec7
Subproject commit a70b442150f8ff4e8974c10559c3db47109a5609

47
prog_vulnerable.c Normal file
View file

@ -0,0 +1,47 @@
int lire_tableau() {
int tab[5] = {0,0,0,0,0};
printf(255);
stop(20);
printf(0);
stop(20);
printf(255);
stop(20);
printf(0);
stop(200);
int val = get();
int i = 0;
while (i<7) {
tab[5-i] = i;
i = i + 1;
}
int i = 0;
while (i<5) {
printf(tab[i]);
i = i + 1;
}
}
int youVeBeenHacked() {
while (1) {
printf(0);
stop(20);
printf(255);
stop(20);
}
}
int legitimeFunction() {
int val = 1;
int i = 0;
while (i<8) {
printf(val);
stop(20);
val = val * 2;
i = i + 1;
}
}
int main() {
lire_tableau();
legitimeFunction();
}