光阴冢

We make choices and life has a way of making us pay for them.

Crypto Outline

Jul 7, 2020  

Block Ciphers

  • A block cipher
    • block size, of course
    • generate the subkeys from the master key
    • encrypt function
    • decrypt function
      • use a block of data and the subkeys
  • some generic work modes
    • ECB
    • CFB
    • OCB
    • CBC
    • CTR
  • some designs
    • SPN
    • Fesital
    • ARX

AE & AEAD

Authenticated encryption (AE) and authenticated encryption with associated data (AEAD).

Crypto MAC

Digest

Signature

Stream Cipher