Can we use a block cipher to build a hash function or MAC?
Saturday, 10 August 2024
by Emmanuel Udofia
Certainly, the use of block ciphers to construct hash functions and Message Authentication Codes (MACs) is a well-established practice in the field of cryptography. A block cipher is a symmetric key cipher that operates on fixed-size blocks of data using a shared secret key. Examples of block ciphers include the Advanced Encryption Standard (AES) and
How does a hash function contribute to the construction of MACs?
Thursday, 03 August 2023
by EITCA Academy
A hash function plays a important role in the construction of Message Authentication Codes (MACs) by providing a means to ensure the integrity and authenticity of a message. MACs are cryptographic techniques used to verify the integrity of a message and authenticate its source. They are widely used in various applications, including secure communication protocols,
- Published in Cybersecurity, EITC/IS/ACC Advanced Classical Cryptography, Message Authentication Codes, MAC (Message Authentication Codes) and HMAC, Examination review
Tagged under:
Cryptography, Cybersecurity, Hash Function, MAC, Message Authentication Codes, Security