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- Encrypted Key Exchange (also known as EKE) is a family of password-authenticated key agreement methods described by Steven M. Bellovin and Michael Merritt. Although several of the forms of EKE in this paper were later found to be flawed, the surviving, refined, and enhanced forms of EKE effectively make this the first method to amplify a shared password into a shared key, where the shared key may subsequently be used to provide a zero-knowledge password proof or other functions. In the most general form of EKE, at least one party encrypts an ephemeral (one-time) public key using a password, and sends it to a second party, who decrypts it and uses it to negotiate a shared key with the first party. A second paper describes Augmented-EKE, and introduced the concept of augmented password-authenticated key agreement for client/server scenarios. Augmented methods have the added goal of ensuring that password verification data stolen from a server cannot be used by an attacker to masquerade as the client, unless the attacker first determines the password (e.g. by performing a brute force attack on the stolen data). A version of EKE based on Diffie–Hellman, known as DH-EKE, has survived attack and has led to improved variations, such as the PAK family of methods in IEEE P1363.2. Since the US patent on EKE expired in late 2011, an EAP authentication method using EKE was published as an IETF RFC. The EAP method uses the Diffie–Hellman variant of EKE. (en)
- Encrypted Key Exchange (anche detta EKE) è una famiglia di metodi di interazione tra due o più partecipanti per l'autenticazione e la condivisione di una chiave crittografica di sessione. Basati sulla conoscenza condivisa di una comune password, sono stati descritti da Steven M. Bellovin e Michael Merritt. Alcune varianti di EKE presenti nella pubblicazione originale hanno mostrato diverse debolezze, ma altre sue varianti, migliorate e potenziate, hanno reso EKE il primo metodo efficace per ricavare una chiave di sessione condivisa e l'autenticazione mutua mediante una password condivisa. (it)
- Обмен зашифрованными ключами (англ. Encrypted Key Exchange, EKE) — протокол, разработанный Стивом Белловином и Майклом Мерритом. EKE работает при условии, что у пользователей до начала работы протокола есть общий секрет. Протокол позволяет формировать сеансовый ключ для установления защищенного соединения. Для каждого сеанса генерируется новый сессионный ключ. (ru)
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- Encrypted Key Exchange (anche detta EKE) è una famiglia di metodi di interazione tra due o più partecipanti per l'autenticazione e la condivisione di una chiave crittografica di sessione. Basati sulla conoscenza condivisa di una comune password, sono stati descritti da Steven M. Bellovin e Michael Merritt. Alcune varianti di EKE presenti nella pubblicazione originale hanno mostrato diverse debolezze, ma altre sue varianti, migliorate e potenziate, hanno reso EKE il primo metodo efficace per ricavare una chiave di sessione condivisa e l'autenticazione mutua mediante una password condivisa. (it)
- Обмен зашифрованными ключами (англ. Encrypted Key Exchange, EKE) — протокол, разработанный Стивом Белловином и Майклом Мерритом. EKE работает при условии, что у пользователей до начала работы протокола есть общий секрет. Протокол позволяет формировать сеансовый ключ для установления защищенного соединения. Для каждого сеанса генерируется новый сессионный ключ. (ru)
- Encrypted Key Exchange (also known as EKE) is a family of password-authenticated key agreement methods described by Steven M. Bellovin and Michael Merritt. Although several of the forms of EKE in this paper were later found to be flawed, the surviving, refined, and enhanced forms of EKE effectively make this the first method to amplify a shared password into a shared key, where the shared key may subsequently be used to provide a zero-knowledge password proof or other functions. (en)
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- Encrypted key exchange (en)
- Encrypted Key Exchange (it)
- Обмен зашифрованными ключами (ru)
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