Grain v1

This repository contains software implementation of Grain v1 cipher written in C.

Link to paper

Code

• grain.h : definition of structures and functions used
• grain.c : functions for performing encryption/decryption along with main

Running the Code

Example with gcc on linux :

$ gcc grain.c -o filename
$ ./filename

References

[1] Ecrypt page on Grain v1. It also provides a reference implementation. Link
[2] Grain v1 implementation by Vaibhav Raj Gupta. Link