Скачать или смотреть Secure Hash Algorithm (SHA): A Comprehensive Analysis-Foundations, Evolution, Applications, and P...

This podcast offers a comprehensive overview of the *Secure Hash Algorithm (SHA)* family, detailing its *evolution from SHA-0 to SHA-3* and its critical role in digital security. It explains that SHA functions act as *one-way digital fingerprints**, ensuring **data integrity, authenticity, and non-repudiation* across diverse applications like digital signatures, password storage, and blockchain technology. It differentiates between the *Merkle-Damgård construction* of SHA-1 and SHA-2, highlighting SHA-1's deprecation due to collision vulnerabilities and SHA-2's current security, while introducing SHA-3's *sponge construction* as a more resilient and versatile design. Furthermore, we explore *quantum threats* from algorithms like Grover's, discussing how SHA functions maintain relative resilience and emphasizing the ongoing development of *post-quantum cryptography (PQC)* and hash-based signatures to secure future digital landscapes. Ultimately, they underscore SHA's indispensable and continuously adapting nature in safeguarding information in an evolving threat environment.