September 04, 2025

Authentication and Access Control: Practical Cryptography Methods and Tools

30 minutes

Serves as a comprehensive guide to understanding and implementing secure authentication mechanisms. It begins by introducing fundamental cryptographic principles, including symmetric and asymmetric encryption, hash functions, and digital signatures, highlighting their role in ensuring data confidentiality and integrity. The text then explores Public Key Infrastructure (PKI), detailing its components like digital certificates and certificate authorities, and explaining how PKI establishes trust in digital interactions. A significant portion of the book is dedicated to various authentication methods, categorizing them into "something you know" (passwords), "something you have" (tokens), and "something you are" (biometrics), while also addressing common threats and attacks against these methods. Finally, the book examines advanced authentication concepts such as multi-factor authentication, authentication protocols like SSL and Kerberos, and future trends including continuous and cancellable authentication, along with guidelines for designing secure authentication systems.

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