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* imported implementation of ABC-v3.
ABC STREAM CIPHER VERSION 3
C REFERENCE IMPLEMENTATION FOR ESTREAM PERFORMANCE TESTING FRAMEWORK
PROJECT STRUCTURE
Folders and files in main project tree are organized as follows:
README - this file
Makefile - Makefile
ecrypt-sync.h - ECRYPT interface declarations
abc.h - declarations of ABC constants
abc-tables.h - predefined optimization tables
abc.c - core ABC routines
VARYING IMPLEMENTATION PARAMETERS
Implementation memory consumption and therefore speed can be varied at
compile time by ECRYPT_VARIANT parameter. Specifically, ECRYPT_VARIANT
controls optimization window size and cycle unroll depth in ABC core
code. Possible values for ECRYPT_VARIANT are defined in the table below.
ECRYPT_VARIANT Window size Unroll depth
1 12-12-8 16
2 8 16
3 8 8
4 8 4
5 4 16
6 4 8
7 4 4
8 2 8
9 2 4
10 1 4
LEGAL NOTICE
The ABC stream cipher is copyright (C) Vladimir Anashin, Andrey
Bogdanov and Ilya Kizhvatov.
The authors allow free usage of the ABC stream cipher design for any
non-commercial or commercial purposes provided each of the following
holds:
1. The original ABC stream cipher design is not modified in any way.
2. The name "ABC stream cipher" is clearly specified.
3. The names of the ABC stream cipher inventors (Vladimir Anashin, Andrey
Bogdanov, Ilya Kizhvatov) are clearly specified.
ABC reference implementation is provided "as is" without any express or
implied warranty. The authors are not in any way liable for any use of
this software.
CONTACT
Vladimir Anashin, Ilya Kizhvatov
{anashin, ilya.kizhvatov}@rsuh.ru
Faculty of Information Security
Institute for Information Sciences and Security Technologies
Russian State University for the Humanities
Kirovogradskaya Str. 25/2, 117534 Moscow, Russia
Andrey Bogdanov
abogdanov@escrypt.com
escrypt GmbH - Embedded Security
Lise-Meitner-Allee 4, D-44801 Bochum, Germany
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