FOSS and Crafts

45: A high level introduction to cryptography

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In this episode we give a very (very) high level introduction to

cryptography concepts. No math or programming background required!

Links:

  • Crypto 101,

probably the BEST book for learning about cryptography concepts.
And a relevant talk from PyCon!

  • We mentioned

    • RSA,
    which is the first publicly published algorithm for public key
    cryptography. These days most public key cryptography uses
    elliptic curves
    instead. It's possible that in
    the future, something else will be recommended instead!

  • Playing around with GnuPG can be a great way to learn about

    • cryptography as a user, but... it's also not the easiest thing to
    learn either, and we don't personally believe that GPG/PGP's web of
    trust model is a realistic path for user security. (But what we
    recommend instead, that's a topic for a future episode.) Still,
    a useful tool in all sorts of ways.

  • Mixing and matching these things at a low level can be tricky,

    • and unexpected vulnerabilities can easily occur.
    Cryptographic Right Answers
    has been a useful page, but the cryptography world keeps moving!

    ...more
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