Lucifer

This is an implementation of Arthur Sorkin’s variant of the Lucifer block cipher, a direct predecessor of DES, ported from FORTRAN IV to FORTRAN 77. The cipher has a 128 bit block size and a 128 bit key length.

The code of the original version was listed in the following paper:

• Sorkin, Arthur (1984): Lucifer. A Cryptographic Algorithm. In: Cryptologia, 8:1, 22–42, DOI: 10.1080/0161-118491858746

Licence

Public Domain