Merge branch 'Aakash02A:main' into main

Author: DarkAssassin007

caesar_cipher/README.md

@@ -92,6 +92,7 @@ The script:
 chr((ord(char) - base + shift) % 26 + base)
 ```
 
+
 * `ord(char)` – ASCII of char
 * `base` – `ord('a')` or `ord('A')`
 * `shift` – Provided shift value

image_encryption_tool/decry.jpg

@@ -0,0 +1,29 @@
+def xor_encrypt_decrypt(input_path, output_path, key):
+    try:
+        with open(input_path, 'rb') as f:
+            data = bytearray(f.read())  # Read image as byte array
+
+        for i in range(len(data)):
+            data[i] ^= key  # XOR each byte with key
+
+        with open(output_path, 'wb') as f:
+            f.write(data)
+
+        print(f"[+] Process completed. Output saved to: {output_path}")
+    except FileNotFoundError:
+        print("[-] File not found. Please check the path.")
+    except Exception as e:
+        print(f"[-] Error: {str(e)}")
+
+# Example usage
+if __name__ == "__main__":
+    print("Image Encryption/Decryption Tool")
+    input_file = input("Enter image path: ")
+    output_file = input("Enter output file path: ")
+    key = int(input("Enter a secret key (0-255): "))
+
+    if 0 <= key <= 255:
+        xor_encrypt_decrypt(input_file, output_file, key)
+    else:
+        print("[-] Key must be between 0 and 255.")
+