ISO/IEC 18033-7:2022
ISO/IEC 18033-7:2022



This document specifies tweakable block ciphers. A tweakable block cipher is a family of n-bit permutations parametrized by a secret key value and a public tweak value. Such primitives are generic tools that can be used as building blocks to construct cryptographic schemes such as encryption, Message Authentication Codes, authenticated encryption, etc.

A total of five different tweakable block ciphers are defined. They are categorized in Table 1.

General information 

  •  :  Published
     : 2022-04
  •  : 1
     : 18
  •  : ISO/IEC JTC 1/SC 27 Information security, cybersecurity and privacy protection
  •  :
    35.030 IT Security

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