secworks/chacha
stableA hardware implementation of the ChaCha stream cipher.
Install with
lfpga
lfpga add secworks-chacha
Indexed from a public source and curated by LibFPGA. Own this project? Claim it by adding a manifest file to your repo.
Verification
Signals earned by running the open toolchain against the public source. This listing is not yet owner-claimed; the badges reflect our build, not a maintainer's declaration. This is the registry's whole point: know it works before you clone it.
✓ Lints clean
Testbench passes
✓ Synthesizes
Formally proven
Converts to RTL
Last checked 2026-07-05 by the LibFPGA toolchain.
[](https://libfpga.com/cores/secworks-chacha)
- 6504 LUT4s
- 45 GitHub stars
About
A Verilog implementation of the ChaCha stream cipher, again from Secworks. ChaCha is fast, modern, and constant-time friendly, a good fit for line-rate encryption on an FPGA where AES might be heavier than you need.