csfieldguide/chapters/content/structure/coding-encryption/sections/sections.yaml
whats-the-big-picture:
section-number: 1
substitution-ciphers:
section-number: 2
cryptosystems-used-in-practice:
section-number: 3
the-key-distribution-problem:
section-number: 4
storing-passwords-securely:
section-number: 5
the-whole-story:
section-number: 6
further-reading:
section-number: 7