X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFETGlitch.py;h=49db85c77cc1a229408f7c1b4967bb1c62b2efd3;hp=637b2d1564c65d2b93df357d9d456d0deb8137b2;hb=d9ad4e6c499d53a2472c330637456a9662c76e2e;hpb=8203dc42156b3745f4f79ba7da4845da365902ff diff --git a/client/GoodFETGlitch.py b/client/GoodFETGlitch.py index 637b2d1..49db85c 100644 --- a/client/GoodFETGlitch.py +++ b/client/GoodFETGlitch.py @@ -127,7 +127,7 @@ class GoodFETGlitch(GoodFET): g('set term png'); g('set output "timevcc.png"'); g(script_timevcc); - def explore(self,tstart=0,tstop=-1, trials=5): + def explore(self,tstart=0,tstop=-1, trials=1): """Exploration phase. Uses thresholds to find exploitable points.""" gnd=0; self.scansetup(1); #Lock the chip, place key in eeprom. @@ -142,6 +142,8 @@ class GoodFETGlitch(GoodFET): c=self.db.cursor(); c.execute("select time,min,max from glitchrange where max-min>0;"); rows=c.fetchall(); + c.close(); + random.shuffle(rows); for r in rows: t=r[0]; min=r[1]; @@ -215,10 +217,10 @@ class GoodFETGlitch(GoodFET): rows=c.fetchall(); for a in rows: return True; + c.close(); return False; def scanat(self,lock,trials,vcc,gnd,time): client=self.client; - db=self.db; client.glitchRate(time); client.glitchVoltages(gnd, vcc); #drop voltage target gcount=0; @@ -243,7 +245,7 @@ class GoodFETGlitch(GoodFET): scount+=1; #print "values (%i,%i,%i,%i,%i);" % ( # time,vcc,gnd,gcount,scount); - if(lock>0): + if(lock==0): self.db.execute("insert into glitches(time,vcc,gnd,trials,glitchcount,count,lock)" "values (%i,%i,%i,%i,%i,%i,%i);" % ( time,vcc,gnd,trials,gcount,scount,lock));