Blowfish
Blowfish is a symmetric block cipher that can be used as a drop-in replacement for DES or IDEA.
Feistel cipher · schneier.com
Open Blowfish in AirStackWhat Blowfish’s own pages say
| What it says it does | Blowfish is a symmetric block cipher that can be used as a drop-in replacement for DES or IDEA. schneier.com |
|---|---|
| Free plan | Yes schneier.com |
| Open source | Yes schneier.com |
| License | Blowfish is unpatented and license-free, and is available free for all uses. schneier.com |
Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.