eSTREAM - The ECRYPT Stream Cipher Project

HC-256 (Phase 2)

This is the archived eSTREAM Phase 2 page of HC-256. For the latest information on HC-256, please go to the eSTREAM Phase 3 page on HC-256 here

Submitters : Hongjun Wu
Type of algorithm : Synchronous Stream Cipher
Proposed Environment : Profile 1 (SW)
Algorithm description :
- Article : Stream Cipher HC-256, pdf
- Article : Stream Cipher HC-128, pdf
- C source : HC-256 zip, HC-128 zip
- API-compliant C code: link
Changes compared to phase 1 : HC-256 has been kept unchanged, and a new 128-bit version, HC-128, is also proposed. The archived page of phase 1 can be found here.