Crypto notes

• Encryption modes
  • #Encryption only
  • #AEAD
  • #Authentication only
  • #Disk encryption

Encryption modes

#Encryption only

ECB

Electronic codebook

CBC

Cipher block chaining

PCBC

Propagating cipher block chaining

OFB

Output feedback

CTR

Counter

CFB

Cipher feedback

CFB-8

Cipher feedback with a bit-width

• 2DEM (2D-Encryption Mode)
• ABC (Accumulated Block Chaining)
• BPS (Format Preserving Encryption Proposal)
• CSPEM (Character Set Preserving Encryption Mode)
• DFF (Delegatable Feistel-based Format-preserving Encryption Mode)
• FCEM (Format Controlling Encryption Mode)
• FFX (Format-preserving Feistel-based Encryption Mode)
• IGE (Infinite Garble Extension)
• RAC (Random Access Counter)
• VFPE (VISA Format Preserving Encryption)
• XBC (Cross Block Chaining)
• KFB (Key Feedback Mode)

#AEAD

CCM

Counter with Cipher Block Chaining - Message Authentication Code

CWC

Carter–Wegman + counter

GCM

Galois/Counter Mode

SGCM

Sophie Germain Counter Mode

GCM-SIV

Galois/Counter Mode with Synthetic Initialization Vector

EAX

A Conventional Authenticated-Encryption Mode

OCB

Offset codebook mode

• CS (Cipher-State)
• EAX’ (EAX’ (EAX-prime) Cipher Mode)
• IACBC (Integrity Aware Cipher Block Chaining)
• IAPM (Integrity Aware Parallelizable Mode)
• IOC (Input and Output Chaining)
• PCFB (Propagating Cipher Feedback)
• RKC (Random Key Chaining)
• XCBC (Extended Cipher Block Chaining MAC)
• XECB (eXtended Electronic Code Book MAC)

#Authentication only

• OMAC (One-Key CBC)
• PMAC (Parallelizable Message Authentication Code)
• RMAC (Randomized MAC)
• TMAC (Two-Key CBC MAC)

#Disk encryption

• LRW
• XEX
• XTS
• CMC
• EME