| Name | Size | Date | |
| DECRYPT.BAT | 17 | 2/21/1991 | |
| ENCRYPT.BAT | 14 | 2/21/1991 | |
| ALG-Z.CT | 422 | 3/14/1991 | |
| ALG-Y.CT | 351 | 3/14/1991 | |
| CONTEST.DOC | 1556 | 3/12/1991 | |
| REGISTER.DOC | 3437 | 3/12/1991 | |
| ZCRYPT.DOC | 16774 | 3/12/1991 | |
| README.DOC | 1543 | 3/15/1991 | |
| ZCRYPT.EXE | 51639 | 3/13/1991 | |
| ZCRYPT.11A | 2 | 3/13/1991 |