initial

utils/xor-enc.py

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+import base64
+import sys
+
+KEY = b"lain"
+
+def xor_bytes(data: bytes, key: bytes) -> bytes:
+    return bytes(b ^ key[i % len(key)] for i, b in enumerate(data))
+
+def encrypt(text: str) -> str:
+    data = text.encode("utf-8")
+    xored = xor_bytes(data, KEY)
+    return base64.b64encode(xored).decode("ascii")
+
+def decrypt(b64text: str) -> str:
+    xored = base64.b64decode(b64text)
+    return xor_bytes(xored, KEY).decode("utf-8")
+
+def main():
+    if len(sys.argv) > 1:
+        # Use command-line arguments as the text
+        text = " ".join(sys.argv[1:])
+    else:
+        text = input("Text to encrypt: ")
+    print(encrypt(text))
+
+if __name__ == "__main__":
+    main()