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Key exchange (also key establishment) is a method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm. In the Diffie–Hellman key exchange scheme, each party generates a public/private key pair and distributes the public key.
In computing, Internet Key Exchange (IKE, versioned as IKEv1 and IKEv2) is the protocol used to set up a security association (SA) in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP . [ 1 ]
Diffie–Hellman (DH) key exchange [nb 1] is a mathematical method of securely generating a symmetric cryptographic key over a public channel and was one of the first public-key protocols as conceived by Ralph Merkle and named after Whitfield Diffie and Martin Hellman.
Anshel–Anshel–Goldfeld protocol, also known as a commutator key exchange, is a key-exchange protocol using nonabelian groups. It was invented by Drs. Michael Anshel, Iris Anshel, and Dorian Goldfeld. Unlike other group-based protocols, it does not employ any commuting or commutative subgroups of a given platform group and can use any ...
Password-authenticated key exchange (PAKE) is a method in which two or more parties, based only on their knowledge of a shared password, [1] establish a cryptographic key using an exchange of messages, such that an unauthorized party (one who controls the communication channel but does not possess the password) cannot participate in the method ...
The Diffie–Hellman key exchange protocol allows key exchange over an insecure channel by electronically generating a shared key between two parties. On the other hand, RSA is a form of the asymmetric key system which consists of three steps: key generation, encryption, and decryption.
Authenticated Key Exchange (AKE), Authenticated Key Agreement (AKA) or Authentication and Key Establishment (AKE) is the exchange or creation of a session key in a key exchange protocol which also authenticates the identities of parties involved in key exchange. [1] AKE typically occurs at the beginning of a communication session. [2]
p = prime for the key exchange with w A = 2, w B = 3, e A = 63, e B = 41, and f = 11. Thus p = (2 63 ·3 41 ·11) - 1. E 0 = the base (starting) curve for the key exchange = y 2 = x 3 + x Luca De Feo, one of the authors of the paper defining the key exchange has posted software that implements the key exchange for these and other parameters. [21]