Cryptosystems Journal
Volume Two Number One
Table of Contents

From the Editor .............................................. 2
To the Editor ................................................ 6
What Others Are Saying About Cryptosystems Journal .......... 10

The Diskettes ............................................... 11
The SUB-ROSA Cryptosystem ................................... 15
The Eclipse Cryptosystem .................................... 19
APL -- A Programming Language ............................... 20
IBM's APL Interpreter for the PC ............................ 22
The Lorenz Attractor ........................................ 23

PC Memory Architecture ...................................... 24
Extended Memory ............................................. 28
Random Number Generators .................................... 34
The Reusable RNG Random-Number-Generator Unit ............... 36
Asynchronous Random Number Generators ....................... 38
Parallel Printer Input/Output ............................... 41
Parallel Printer Ports ...................................... 43
Parallel Printer Signals .................................... 45
The Prototype RANGER Device ................................. 47
RANGER: Theory of Operation ................................. 50

Why Study Galois Fields? .................................... 55
Explanation of Galois Field GF(p) ........................... 56
A Pair of GF(p) Inverse Matrices ............................ 63
A Cryptosystem Diagram ...................................... 65
A Worked-Through Example of a GF(p) Cryptosystem ............ 66
Explanation of Galois Field GF(q^n) ......................... 71
A Pair of GF(q^n) Inverse Matrices .......................... 72
A Worked-Through Example of a GF(q^n) Cryptosystem .......... 76

Use a NSA Computer! ......................................... 82
John Taber's CRYPT program .................................. 85
Mario Maniscalco's CRYPT Program ............................ 86
Character Graphics -- Boxes ................................. 88
ANSI.SYS Color Functions .................................... 91
Integrated Circuit Wafers ................................... 92
Intel Microprocessors: Past, Present, and Future ............ 94
Crypto Job Available ........................................ 96
Review of "AFCEA Information Security Report" ............... 97
Review of "Security for VAX Systems" ....................... 101
Review of "Fractal Programming in C" ....................... 102
Review of "The Winn Rosch Hardware Bible" .................. 103
Review of "Assignment: Pentagon" ........................... 104
Computer Tape-Worms and Viruses ............................ 105
Sources of Information for Further Study ................... 106
ECLIPSE Cryptosystem APL Source Code Listings .............. 111
ECLIPSE Cryptosystem Sample Workspace Executions ........... 120
The End .................................................... 125

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Most recent update on 19-JAN-97.