A simple scheme, such as XOR-ing the plaintext with a fixed key, will produce a very weak ciphertext.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: A simple scheme, such as XOR-ing the plaintext with a fixed key, will produce a very weak ciphertext. ### Response: T1024.