dotpaw podcast -Cryptography -

Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively[1]), is the practice and study of techniques for secure communication in the presence of adversarial behavior.

The study of cryptography dates back to ancient Egypt, some 4,000 years ago, and is evident in their very complex pictograms, or hieroglyphics. The very first use of modern cryptography and ciphers still used today is attributed to Julius Caesar, a Roman general and politician.

Confidentiality

Integrity

Non-Repudiation

Authentication

Over the past decade, PGP, and later OpenPGP, has become the standard for nearly all of the world’s signed or encrypted email.

https://www.cryptography101.org/

https://www.cs.cornell.edu/courses/cs5430/2021fa/TL01.introduction.html

https://www.openpgp.org/

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