computationally bounded adversary造句

Secure schemes are defined to be those in which the advantage of any computationally bounded adversary is negligible.
However, this is infeasible for a computationally bounded adversary, so the most it can do is make a random error pattern N.
For an asymmetric key encryption algorithm cryptosystem to be semantically secure, it must be infeasible for a computationally bounded adversary to derive significant information about a message ( plaintext ) when given only its ciphertext and the corresponding public encryption key.
It's difficult to find computationally bounded adversary in a sentence. 用computationally bounded adversary造句挺难的