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Category Archives: Classical Cryptography
Happy Birthday, Edgar Allen Poe
In which I celebrate the life of Edgar Allen Poe
This post is part of a series of 47 posts which begins with The Caesar Shift, the latest post in the series is Letter Groups.
Also posted in General Articles Tagged Author, Classical Cryptography, Edgar Allen Poe, Monoalphabet Leave a comment
Numbers Stations
The most secure form of cryptography, indeed, the only provably secure form is the One Time Pad.
Pedantically the one time pad is not a single algorithm, but in general it is applying pre-agreed randomness to each letter.
The fundamental problem with the One Time Pad is the Key Distribution Problem, how do two people on [...]
This post is part of a series of 47 posts which begins with The Caesar Shift, the latest post in the series is Letter Groups.
Posted in Classical Cryptography Tagged Classical Cryptography, Cryptography, Numbers, Numbers Station 2 Comments
Paper based Enigma Machine
A nice little paper project for people who want a visual representation of Enigma.
This post is part of a series of 47 posts which begins with The Caesar Shift, the latest post in the series is Letter Groups.
Also posted in Crypto Links Tagged Classical Cryptography, Cryptography, Cryptography Links, Enigma, World War 2 1 Comment
Poker By Phone
Is it possible to play poker by post or email?
Yes, if we assume that there is a trusted ‘know all’ dealer who tells each player their cards. However, is it popssible without such a trusted person.
Let’s summarise the problem. First we must shuffle the cards. Then the cards must be dealt, and no player must [...]
This post is part of a series of 47 posts which begins with The Caesar Shift, the latest post in the series is Letter Groups.
Posted in Classical Cryptography Tagged Cards, Classical Cryptography, Cryptography, Poker, Telephone Leave a comment
Command Line Cryptography
This post is part of a series of 47 posts which begins with The Caesar Shift, the latest post in the series is Letter Groups.