updated features for two different types of sniffing. fixed and scrolling. This can...

[goodfet] / client / GoodFETGlitch.py

diff --git a/client/GoodFETGlitch.py b/client/GoodFETGlitch.py
index 0d16ba4..383609b 100644 (file)
--- a/client/GoodFETGlitch.py
+++ b/client/GoodFETGlitch.py
@@ -5,7 +5,7 @@
 #
 # This code is being rewritten and refactored.  You've been warned!
 
-import sys, time, string, cStringIO, struct, glob, serial, os, random;
+import sys, time, string, cStringIO, struct, glob, os, random;
 import sqlite3;
 
 from GoodFET import *;
@@ -202,16 +202,16 @@ class GoodFETGlitch(GoodFET):
         trials=30;
         lock=0;  #1 locks, 0 unlocked
         vstart=0;
-        vstop=200;  #Could be as high as 0xFFF, but upper range is useless
+        vstop=1024;  #Could be as high as 0xFFF, but upper range is useless
         vstep=1;
         tstart=0;
         tstop=self.client.glitchstarttime();
         tstep=0x1; #Must be 1
         self.scan(lock,trials,range(vstart,vstop),range(tstart,tstop));
-        print "Learning phase complete, beginning to crunch.";
+        print "Learning phase complete, begin to crunch.";
         self.crunch();
-        print "Crunch phase complete, beginning to explore.";
-        self.explore();
+        #print "Crunch phase complete, beginning to explore.";
+        #self.explore();
         
     def scansetup(self,lock):
         client=self.client;
@@ -220,18 +220,24 @@ class GoodFETGlitch(GoodFET):
         client.erase();
         print "Scanning %s" % client.infostring();
         
-        self.secret=0x49;
+        #Kind of arbitrary.
+        #16 bit minimum.
+        self.secret=0xdead;
+        
+        
+        print "-- Setting secret";
+        client.start();
+        
+        #Flash the secret, to try and recover it later.
+        client.erase();
+        print "-- Secret was %02x" % client.getsecret();
+        client.setsecret(self.secret);
+        print "-- Secret set to %02x" % client.getsecret();
+        sys.stdout.flush()
+        if(client.getsecret()!=self.secret):
+            print "Secret failed to set.  Exiting for safety.";
+            sys.exit();
         
-        while(client.getsecret()!=self.secret):
-            print "-- Setting secret";
-            client.start();
-            
-            #Flash the secret to the first two bytes of CODE memory.
-            client.erase();
-            print "-- Secret was %02x" % client.getsecret();
-            client.setsecret(self.secret);
-            sys.stdout.flush()
-            
         #Lock chip to unlock it later.
         if lock>0:
             client.lock();