Crypto — topics
CTF-style and applied-cryptography attack notes. See cryptography-fundamentals for ordering.
Encoding (not encryption)
Classical
- classical-ciphers-overview
- linear-mapping-ciphers · fixed-substitution-ciphers
- shift-ciphers · vigenere-cipher
Symmetric
- block-cipher-modes
- ecb-attacks · cbc-bit-flipping · cbc-padding-oracle
- feistel-and-des · aes
- stream-ciphers-overview · many-time-pad
- linear-congruential-generator · lfsr · rc4
Asymmetric
- public-key-basics · rsa
- rsa-common-modulus · rsa-wiener · rsa-coppersmith
- rsa-low-exponent
- discrete-logarithms · diffie-hellman