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2026/srdnlen_quals/forensic/chapter2/get_image.py

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+from PIL import Image, ImageOps
+
+# Read the XORed binary data
+with open('./final.bin', 'rb') as f:
+    data = f.read()
+
+# Interpret the 262,144 bytes as a 512x512 Grayscale image
+img = Image.frombytes('L', (512, 512), data)
+
+# The XOR differences might be very dark, so we auto-contrast it to make the flag pop
+img = ImageOps.autocontrast(img)
+
+# Save the final image
+img.save('the_armory.png')
+print("The forge is lit. Open the_armory.png")