Testing algorithm with different key values. ALGORITHM DESCRIPTION: The Hill cipher is a substitution cipher invented by Lester S. Hill in 1929. Each letter is represented by a number modulo 26. To ...

After 100 years at Mission and Fifth, the SFGATE and San Francisco Chronicle newsrooms are moving across the city ...

Testing algorithm with different key values. ALGORITHM DESCRIPTION: The Hill cipher is a substitution cipher invented by Lester S. Hill in 1929. Each letter is represented by a number modulo 26. To ...

The development of a new missile defense system to cover the U.S. could lead to the nuclear weaponization of space.

America isn’t just a piece of remarkably fertile real estate between two great oceans. It is also a state of mind. Even when ...

America isn’t just a piece of remarkably fertile real estate between two great oceans. It is also a state of mind.

And it has been so for the world since the end of World War II. For 80 years, the United States has led the world; even when ...

A new group has just entered the Yellowjackets chat. And this new blood promises a shake-up that might just bring everything ...

This was my Graduate thesis on breaking Hill Ciphers without a key. Included in the document is a description of cryptography and ciphers, along with a code I programmed in Python to break Hill ...

Are we foolishly “penny wise and pound foolish,” or are we courageous enough to commit wholeheartedly to America’s future and to our indispensable leadership in a world desperately in need of “a ...