Key pair
Key pair means two mathematically related keys having the properties that:
(1) One key can be used to encrypt a message that can only be decrypted using the other key; and
(2) Even knowing one key, it is computationally infeasible to discover the other key.
Source
21 CFR § 1300.03
Scoping language
For the purposes of this chapter, the following terms shall have the meanings specified: