Introduction to Cryptography: Understanding Public-Key Infrastructure

Hybrid cryptography and public-key infrastructure (PKI) are foundational to secure web communication. Learn the basics of PKI, the contents of public-key certificates and how to check the validity of certificates. PKI certificates are typically used in a chain of trust from the subject to the root issuer of the certificate.

In the full course, you will learn how and when to use hash functions and symmetric and asymmetric ciphers, as well as the basics of information security through instruction on the fundamentals and real-life applications of each concept.

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