1 files changed, 26 insertions, 0 deletions
diff --git a/image_processing/xor.py b/image_processing/xor.py
new file mode 100644
index 0000000..01050c3
--- /dev/null
+++ b/image_processing/xor.py
@@ -0,0 +1,26 @@
+import sys
+import math
+from itertools import cycle
+
+source, target, key = sys.argv[1:]
+
+# key = [int(x) for x in key]
+
+k = int(key, 2)
+
+target = open(target,"ab")
+
+with open(source, 'rb') as source:
+    image_bytes = source.read()
+    i = 0
+    x = 0
+    for n in image_bytes:
+        if not (i == 3):
+            x = n ^ k
+            i += 1
+        else:
+            x = n
+            i = 0
+        target.write(bytes([x]))
+
+target.close()