def xor_decrypt(ciphertext): # 使用列表推导式优化解密过程 decrypted_bytes = bytearray(ciphertext, 'utf-8') decrypted_bytes = bytearray([byte ^ idx for idx, byte in enumerate(decrypted_bytes)]) return decrypted_bytes.decode('utf-8') def caesardecrypt(ciphertext, key): key_bytes = bytearray(key, 'utf-8') plaintext_chars = [] for idx, char in enumerate(ciphertext): if char in "_{}": # 保留特殊字符 plaintext_chars.append(char) else: char_code