title "Exploited"
""";
+script_timevccrange="""
+plot "< sqlite3 glitch.db 'select time,vcc,glitchcount from glitches where count=0;'" \
+with dots \
+title "Scanned", \
+"< sqlite3 glitch.db 'select time,vcc,count from glitches where count>0;'" \
+with dots \
+title "Success", \
+"< sqlite3 glitch.db 'select time,max(vcc),count from glitches where count=0 group by time ;'" with lines title "Max", \
+"< sqlite3 glitch.db 'select time,min(vcc),count from glitches where count>0 group by time ;'" with lines title "Min"
+""";
+
class GoodFETGlitch(GoodFET):
def __init__(self, *args, **kargs):
#Database connection w/ 30 second timeout.
self.db=sqlite3.connect("glitch.db",30000);
self.db.execute("create table if not exists glitches(time,vcc,gnd,trials,glitchcount,count,lock)");
+ self.db.execute("create index if not exists glitchvcc on glitches(vcc);");
+ self.db.execute("create index if not exists glitchtime on glitches(time);");
self.client=0;
def setup(self,arch="avr"):
self.client=getClient(arch);
g('set datafile separator "|"');
g(script_timevcc);
+ print "^C to exit.";
while 1==1:
time.sleep(30);
- g('replot');
+ # g('replot');
def graph(self):
trials=1;
lock=0; #1 locks, 0 unlocked
vstart=0;
- vstop=1024; #Could be as high as 0xFFF
+ vstop=0xfff; #Could be as high as 0xFFF
vstep=1;
tstart=0;
tstop=-1; #<0 defaults to full range
c=self.db.cursor();
c.execute("select vcc from glitches where vcc=? limit 1;",[vcc]);
rows=c.fetchall();
- try:
- c.next();
- #This voltage has been explored, because no complete exception has been thrown.
+ for a in rows:
return True;
- except: #Voltage hasn't been explored
- return False;
-
+ return False;
def scanat(self,trials,vcc,gnd,time):
client=self.client;
db=self.db;