CTF-style and applied-cryptography attack notes. See cryptography-fundamentals for ordering.

Encoding (not encryption)

• encoding-base-family · encoding-other

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

Other

• hash-length-extension
• shamir-threshold