WIP: hashing the proper parts of the jpg image

libs/jpg_tools.py

@@ -16,7 +16,11 @@ class JpgTools:
   # process a jpg file, read only
   #
   def getJpgBin(self, fname):
-    return self.processFile(fname)
+    self.fh = open(fname, "rb")
+    self.jpg = JpgBin()
+    retval = self.jpg.processFile(self.fh)
+    logging.info("processFile()=={}".format(retval))
+    return self.jpg
 
   #
   # process a jpg file, create new jpg with crypto keys
@@ -27,24 +31,3 @@ class JpgTools:
     retval = self.jpg.processFile(self.fh)
     logging.info("processFile()=={}".format(retval))
 
-  #
-  def processFile(self, fname):
-    self.fh = open(fname, "rb")
-    self.jpg = JpgBin()
-    retval = self.jpg.processFile(self.fh)
-    logging.info("processFile()=={}".format(retval))
-    return self.jpg
-
-  #
-  def process_OLD(self, fname):
-    Image.open(fname)
-    # image as a sequence object containing pixel values
-    bin_data = list( im.getdata() )
-    # returns a string containing pixel data, using the standard "raw" encoder
-    im.tostring()
-
-  #
-  # def getJpgBin_OLD(self, fname):
-  #   img_h = Image.open(fname)
-  #   img_h.???
-

picseal.py

@@ -10,6 +10,7 @@ from libs.crypto_pub import Signature
 from libs.toolbox import Toolbox
 from libs.jpg_tools import JpgTools
 
+fingerprint = False
 
 def main():
   parseArgs()
@@ -21,7 +22,9 @@ def main():
 def processImage(image_fn):
   jpg = JpgTools()
   jpg_bin = jpg.getJpgBin(image_fn)
-  print( str(jpg_bin) )
+
+  if (fingerprint):
+    print( str(jpg_bin) )
   # sig = Signature()
   # sig.genSig(img_bin)
 
@@ -66,6 +69,7 @@ def parseArgs():
   parser.add_argument('-v', '--verbose', action='store_true', help="will set logging level to INFO")
   parser.add_argument('-vv', '--vverbose', action='store_true', help="will set logging level to DEBUG")
   parser.add_argument('-l', '--logging', action='store_true', help="will supercede the -v option and send all logging to a file, logging.DEBUG")
+  parser.add_argument('-fp', '--fingerprint', action='store_true', help="fingerprint")
   args = parser.parse_args()
 
   if (args.logging):
@@ -78,6 +82,9 @@ def parseArgs():
   else:
     logging.basicConfig(level=logging.CRITICAL)
 
+  if (args.fingerprint):
+    fingerprint = True
+
   if (args.image):
     processImage(args.image)
   else: