Symmetric encryption

Author: sid86-dev

Script/git_push.sh

@@ -16,7 +16,7 @@ echo "piencrypt: -----> Tracking files..";
 echo -en '\n';
 git add .;
 echo -en '\n';
-git commit -m "web bugfix";
+git commit -m "Symmetric encryption";
 echo -en '\n';
 echo "piencrypt: -----> Commit completed";
 echo -en '\n';

dist/piencrypt-0.7.5.6-py3-none-any.whl

@@ -1,5 +1,10 @@
+
+from cryptography.fernet import Fernet
 pie_hash = '03c1d04aeffd72151933b2295df5b484547e00ead9d001126aef03e6179a9332'
 
+key = b'2PlCwYo0bGpbWBQ6onpmmKv9T8lshcJhI7R00NKxKpM='
+clipher = Fernet(key)
+
 class PiEncrypt:
 
     def __init__(self, loc):
@@ -14,16 +19,23 @@ def get_data(self):
     # hides the disired data into the picture 
     def hide_data(self, data):
         self.data = data
+        # encrypt the data
+        encrypt_text = clipher.encrypt(bytes(pie_hash + self.data, encoding="ascii"))
+        # save to the image
         with open(self.loc, 'ab') as f:
-            f.write(bytes(pie_hash + self.data , encoding="ascii"))
+            f.write(bytes(pie_hash, encoding="ascii") + encrypt_text)
 
     # read the hidden data from the picture
     def read_data(self):
         with open(self.loc, 'rb') as f:
             content = f.read()
             list = content.split(bytes(pie_hash, encoding="ascii"))
-            # print(f.read())
-            return list[1].decode("utf-8")
+            data = list[1]
+            # dencrypt the text
+            dencrypt_text = clipher.decrypt(data).decode("utf-8")
+            # seperate by pie_hash
+            output = dencrypt_text.split(pie_hash)
+            return output[1]
 
     # revert the picture from the backup bytes file
     def revert(self):
@@ -32,10 +44,12 @@ def revert(self):
             e.write(r)
 
 if __name__ == '__main__':
-
-    p = PiEncrypt('test.png')
-    # p.get_data()
-    p.revert()
-    p.hide_data("Hello my name is Sid")
+    # print(key)
+    # print(encrypt_text)
+    # print(dencrypt_text)
+    p = PiEncrypt('pic.png')
+    p.get_data()
+    p.hide_data("Hello this is piencrypt test")
     r = p.read_data()
+    p.revert()
     print(r)

dist/piencrypt-0.7.5.6.tar.gz

@@ -7,7 +7,7 @@
 with codecs.open(os.path.join(here, "README.md"), encoding="utf-8") as fh:
     long_description = "\n" + fh.read()
 
-VERSION = '0.7.3.8'
+VERSION = '0.7.5.6'
 DESCRIPTION = 'Encrypt your crucial data into Image file'
 LONG_DESCRIPTION = 'A package that allows to hide and read crucial data from Image files.'
 
@@ -21,7 +21,7 @@
     long_description_content_type="text/markdown",
     long_description=long_description,
     packages=find_packages(),
-    install_requires=[],
+    install_requires=['cryptography'],
     keywords=['python', 'image processing', 'encrypt',
               'decrypt', 'hide messages', 'data store'],
     classifiers=[