Section 1 Some simple cryptosystems
1. ex030101.c (1,863)
2. ex030102.c (1,788)
3. ex030103.c (701)
4. ex030104.c (2,119)
5. ex030105.c (1,766)
10. ex030110.c (3,429)
11. ex030111.c (3,636)
Section 2 Enciphering Matrices
2. ex030202.c (2,417)
3. ex030203.c (2,673)
4. ex030204.c (2,817)
7. ex030207.c (7,286)
8. ex030208.c (7,224)
9. ex030209.c (7,914)
12. ex030212.c (8,248)
14. ex030214.c (7,647)
25. ex030225.c (10,394)