Can we tell how many irreducible polynomial exist for GF(2^m) ?
Monday, 18 December 2023
by panosadrianos
In the field of classical cryptography, specifically in the context of the AES block cipher cryptosystem, the concept of Galois Fields (GF) plays a crucial role. Galois Fields are finite fields that are extensively used in cryptography for their mathematical properties. In this regard, GF(2^m) is of particular interest, where m represents the degree of
- Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, AES block cipher cryptosystem, Introduction to Galois Fields for the AES
Tagged under:
AES, Classical Cryptography, Cybersecurity, Finite Fields, Galois Fields, Irreducible Polynomials
How is multiplication performed in Galois Fields in the context of the AES algorithm?
Thursday, 03 August 2023
by EITCA Academy
In the context of the AES algorithm, multiplication in Galois Fields (GF) plays a crucial role in the encryption and decryption processes. The AES block cipher cryptosystem employs Galois Fields extensively to achieve its security objectives. To understand how multiplication is performed in Galois Fields within the AES algorithm, it is necessary to delve into
- Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, AES block cipher cryptosystem, Introduction to Galois Fields for the AES, Examination review
Tagged under:
AES, Carry-less Multiplication, Cybersecurity, Galois Fields, GF(2^8), Irreducible Polynomials, Multiplication