GM/T 0044.3-2016

This part of GM/T 0044 specifies the identity-based key exchange protocol implemented using elliptic curves, and provides the corresponding process. This protocol enables the two communicating parties to calculate and obtain a shared secret key jointly determined by both parties through two or optionally three information transmission processes, using each other's identifiers and their own private keys. This secret key can be used as the session key for symmetric cryptographic algorithms. The protocol options can enable key confirmation.
This part is applicable to key management and negotiation.