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Cryptcat

May 26, 2018

Standard netcat enhanced with twofish encryption

Cryptcat is the standard netcat enhanced with twofish encryption.

Twofish is courtesy of counterpane, and cryptix. We started with the Java version of twofish from cryptix, converted it to C++ don’t ask why, and enhanced it by adding CBC mode and the ciphertext stealing technique from Applied Cryptography pg. 196

How do you use it?

Machine A cryptcat -l -p 1234 < testfile Machine B cryptcat 1234

This is identical to the normal netcat options for doing exactly the same thing. However, in this case the data transferred is encrypted.

For more information about netcat see net/netcat port.

WWW https//sourceforge.net/projects/cryptcat/