Acknowledgements

The source code used in CryptoSys PKI is original code written by David Ireland except for the following:

• The DES algorithm includes code by Richard Outerbridge placed in the public domain August 1992.
• The SHA-1 algorithm includes code derived from 100% public domain code by Steve Reid <steve@edmweb.com> with modifications based on work by Peter Gutmann as posted to sci.crypt in message <30ajo5$oe8@ccu2.auckland.ac.nz>.
• The HMAC algorithm includes code from RFC 2104 HMAC: Keyed-Hashing for Message Authentication [HMAC].
• The code to read and write ASN.1 files uses techniques from the DUMPASN1.C program by Peter Gutmann <http://www.cs.auckland.ac.nz/~pgut001/dumpasn1.c>.
• Multiple-precision arithmetic is carried out using a modified version of the BIGDIGITS library first published June 2001 by David Ireland <http://www.di-mgt.com.au/bigdigits.html>.
• The code to prompt for keyboard entropy and wipe files is derived from code published in Secure Programming Cookbook [VIEG03].
• The MD5 algorithm includes code derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm [RFC1321] which is covered by the following copyright:

  Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. License to copy and use this software is granted provided that it is identified as the ``RSA Data Security, Inc. MD5 Message-Digest Algorithm'' in all material mentioning or referencing this software or this function. License is also granted to make and use derivative works provided that such works are identified as ``derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm'' in all material mentioning or referencing the derived work. RSA Data Security, Inc. makes no representations concerning either the merchantability of this software or the suitability of this software for any particular purpose. It is provided ``as is'' without express or implied warranty of any kind. These notices must be retained in any copies of any part of this documentation and/or software.

• Ditto for MD2 [RFC1319].

Thanks to the guys at NullSoft for their Nullsoft Scriptable Install System.

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