Crypto Helper

beta

pfharlock

Download CryptoHelper.jar

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Screenshots

viginere brute force, works up to about keyword size 5/6

search possible affine encodings based on supplied text

poly/mono calculator splits alphabets and does friedman test

in the column transposition worksheet, you can drag columns

ngraphs screen counts ngraphs and gives their position.

The first tab of the program performs a frequency count.

Description

CryptoHelper is a Java program designed to aid in the decryption of classical ciphers, ie pre WWII ciphers. It brings together tools like frequency analysis, friedman tests, enciphering/deciphering for several clasical ciphers, and brute force algorithm

Crypto Helper Web Site

License

GNU General Public License version 2.0 (GPLv2)

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Additional Project Details

Intended Audience

Advanced End Users, Developers, Education, End Users/Desktop

Registered

2005-05-07