Security, Encryption, Infosec, Privacy, Cryptography.
considered: At least 2¹²⁸ work is needed to succeed in one attempt with probability 1 At least 2³² memory and 2⁶⁴ work is needed to succeed with one attempt with probability at least 1/2³² At least 2³² memory and 2³² work is needed to have succeeded (at least) once with probability at least 1/2³²