标准编号：ISO/IEC 11770-7:2021
中文名称：信息安全 密钥管理 第7部分：基于跨域密码的认证密钥交换
英文名称：Information security — Key management — Part 7: Cross-domain password-based authenticated key exchange
发布日期：2021-07
标准范围
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.
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