E

elliptic curve cryptography (ECC)

A method in which elliptic curve equations are used to calculate encryption keys for use in general-purpose encryption.

Encapsulating Security Payload (ESP)

Used to provide confidentiality, data origin authentication, connectionless integrity, an anti-replay service, and traffic flow confidentiality.

encryption algorithm

A mathematical formula or method used to scramble information before it is transmitted over unsecure media. Examples include RSA, DH, IDEA, Blowfish, MD5, and DSS/DSA.

environment

The physical conditions that affect and influence growth, development, and survival. Used in the security field to describe the surrounding conditions of an area to be protected.

escalation

The upward movement of privileges when using network resources or exercising rights (such as moving from read permissions to write).