CSA CAN/CSA-ISO/IEC 11770-4:18 (R2023)

Current Reaffirmation
Amendment 2:2021 to CAN/CSA-ISO/IEC 11770-4:18, Information technology - Security techniques - Key management - Part 4: Mechanisms based on weak secrets - Amendment 2: Leakage-resilient password-authenticated key agreement with additional stored secrets (Adopted amendment 2:2021 to ISO/IEC 11770-4:2017)

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CSA CAN/CSA-ISO/IEC 11770-4:18 (R2023)
Information technology - Security techniques - Key management - Part 4: Mechanisms based on weak secrets (Adopted ISO/IEC 11770-4:2017, second edition, 2017-11)
Scope

This document defines key establishment mechanisms based on weak secrets, i.e. secrets that can be readily memorized by a human, and hence, secrets that will be chosen from a relatively small set of possibilities. It specifies cryptographic techniques specifically designed to establish one or more secret keys based on a weak secret derived from a memorized password, while preventing offline brute-force attacks associated with the weak secret. This document is not applicable to the following aspects of key management: — life-cycle management of weak secrets, strong secrets, and established secret keys; — mechanisms to store, archive, delete, destroy, etc. weak secrets, strong secrets, and established secret keys.

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