BSI 20/30422342 DC 2020

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BS ISO/IEC 11770-7. Information security. Key management – Part 7. Cross-domain password-based authenticated key exchange

Published By	Publication Date	Number of Pages
BSI	2020	34

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Description

This document specifies mechanisms for cross-domain password-based authenticated key exchange, all of which are Four-party Password-based Authenticated Key Exchange (4PAKE) protocols. Such protocols let two communicating entities establish a shared session key using just the login passwords that they share with their respective domain authentication servers. The authentication servers, assumed to be part of a standard public key infrastructure (PKI), act as ephemeral certification authorities (CAs) that certify key materials that the users can subsequently use to exchange and agree on as a session key.

This document does not specify the means to be used to establish a shared password between an entity and its corresponding domain server. This document also does not define the implementation of a PKI and the means for two distinct domain servers to exchange or verify their respective public key certificates.

Additional information

Status	Definitive
Pages	34
Publication Date	2020-08-13
Standard Number	20/30422342 DC
Title	BS ISO/IEC 11770-7. Information security. Key management – Part 7. Cross-domain password-based authenticated key exchange
Identical National Standard Of	ISO/IEC DIS 11770-7
Descriptors	Data storage protection, Symmetrical, Cryptography, Keys (cryptographic), Data processing, Information exchange, Data transmission, Coding (programming), Data security, Data management, Algorithms
Publisher	BSI
Committee	IST/33
ICS Codes	35.030 - IT Security

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BSI 20/30422342 DC 2020

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