CFB¶
CFB stands for Cipher Feedback mode.
Encryption¶
Decryption¶
Advantages and Disadvantages¶
Advantages¶
- Adapts to different data format requirements
- Limited error propagation
- Self-synchronizing
Disadvantages¶
- Encryption cannot be parallelized, decryption cannot be parallelized
Application Scenarios¶
This mode is suitable for encryption environments with special data format requirements, such as database encryption and wireless communication encryption.
Challenges¶
- HITCONCTF-Quals-2015-Simple-(Crypto-100)