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Password-authenticated key agreement. In cryptography, a password-authenticated key agreement (PAK) method is an interactive method for two or more parties to establish cryptographic keys based on one or more party's knowledge of a password. An important property is that an eavesdropper or man-in-the-middle cannot obtain enough information to ...
With Diffie-Hellman key exchange, two parties arrive at a common secret key, without passing the common secret key across the public channel. Diffie–Hellman (DH) key exchange is a mathematical method of securely exchanging cryptographic keys 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.
The Password Authenticated Key Exchange by Juggling (or J-PAKE) is a password-authenticated key agreement protocol, proposed by Feng Hao and Peter Ryan. [1] This protocol allows two parties to establish private and authenticated communication solely based on their shared (low-entropy) password without requiring a Public Key Infrastructure.
IEEE 802.1X is an IEEE Standard for port-based network access control (PNAC). It is part of the IEEE 802.1 group of networking protocols. It provides an authentication mechanism to devices wishing to attach to a LAN or WLAN . The standard directly addresses an attack technique called Hardware Addition [1] where an attacker posing as a guest ...
In public-key cryptography, the Station-to-Station ( STS) protocol is a cryptographic key agreement scheme. The protocol is based on classic Diffie–Hellman, and provides mutual key and entity authentication. Unlike the classic Diffie–Hellman, which is not secure against a man-in-the-middle attack, [1] this protocol assumes that the parties ...
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. After obtaining an authentic copy of each other's ...
Authentication. SAE is a variant of the Dragonfly Key Exchange defined in RFC 7664, based on Diffie–Hellman key exchange using finite cyclic groups which can be a primary cyclic group or an elliptic curve. The problem of using Diffie–Hellman key exchange is that it does not have an authentication mechanism.
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]