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See Chinese contents: GB/T 32918.3-2016 GB/T 32918.3-2016: Information security technology -- Public key cryptographic algorithm SM2 based on elliptic curves -- Part 3: Key exchange protocol
This Part of GB/T 32918 specifies the key exchange protocol of public key cryptographic algorithm SM2 based on elliptic curves, and gives examples of key exchange and verification and their corresponding processes. This Part is applicable to the key exchange in commercial cryptographic application. It can satisfy twice or optional three-times information transfer process of the communication parties; and calculate and obtain a shared secret key (session key) jointly determined by both parties.
