Читать книгу Cryptography, Information Theory, and Error-Correction - Aiden A. Bruen - Страница 54

With the advent and ubiquity of computer‐based encryption systems, cryptanalysis has shifted the emphasis from attacks based purely on the ciphering scheme to attacks on other aspects of cryptosystems, such as authentication, key exchanges, and digital signatures. We will detail some of these techniques later in the book, after the basis for modern ciphers, authentication, and digital signatures are developed.