World War 2 German Enigma Encryption Machine in x86 assembly.
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Irvine32.inc
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README
SmallWin.inc
VirtualKeys.inc
enigma-staticrotors.asm
enigma.asm
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enigmav2.asm

README

Enigma is an x86 assembly program that replicates the behavior of the World War 2 German "Enigma" encryption machine.

It currently supports 3 rotors, but will support up to 5 in the future.

Notes:
* This code requires the Irvine32 library.
* This code uses rotors III, II, and I (in that order from right to left) and uses the "UKW B" reflector.
* enigmav2.asm contains automatic reverse rotor generation code, and allows for the potential to input custom rotors
* Please use enigma-staticrotors.asm to test if engimav2.asm crashes when you run it.


Copyright (c) 2010-2013, Sam Marshall
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software must display the following acknowledgement:
This product includes software developed by the Sam Marshall.
4. Neither the name of the Sam Marshall nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY Sam Marshall ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Sam Marshall BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.