1996
John Wiley & Sons
784 Pages

20th Anniversary Hardcover:
ISBN 978-1-119-09672-6
$70.00

Paperback:
ISBN 978-1-119-09672-6
$60.00

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Source Code

This is the source code that accompanies Applied Cryptography, Second Edition, plus additional material from public sources. The source code here has been collected from a variety of places. Some code will not run on some machines. Use it as you see fit, but be aware of any copyright notices on the individual files.

The source code CD-ROM that I used to offer is obsolete and no longer available, but you can download everything here.

All the source code files in a single 20MB zip file

3-WAY.ZIP
Author : Pate Williams
Date : 1996
Description: 3-WAY algorithm.

A5.ZIP
Date : 1997
Description: A5 stream cipher, used in GSM cellular.

ACME.ZIP
Authors : Jef Poskanzer and Dave Zimmerman
Date : 1996
Description: Implementations in Java of DES, IDEA, Blowfish, RC4, and SHA.

AKELARRE.ZIP
Date : 1997
Description: Akelarre algorithm.

ASSORTED.ZIP
Author : Eric E. Moore and Thomas W. Strong
Date : 1993
Description: Assorted simple cryptography algorithms. Caesar, Chi-sq, Entropy, Rotor, Vigenere.

BBC.ZIP
Author : Peter Boucher
Date : 1993
Description: Big Block Cipher: uses 256K blocks, three random number generators, two substitution tables, cipher-text feedback, and transpositions. Unknown security.

BFSH-ABB.ZIP
Author : Pierre Abbat
Date : 1997
Description: Forth implementation of Blowfish algorithm.

BFSH-ABE.ZIP
Author : Ibrahim Abed
Date : 1997
Description: C++ implementation of the Blowfish algorithm.

BFSH-CON.ZIP
Author : Jim Conger
Date : May 96
Description: C++ implementation of the Blowfish algorithm.

Bfsh-jav.zip
Author : Cryptix
Description: Java implementation of the Blowfish algorithm.

BFSH-KOC.ZIP
Author : Paul Kocher
Date : 1997
Description: C implementation of the Blowfish algorithm.

BFSH-LAC.ZIP
Author : Dutra de Lacerda
Date : 07 Jun 97
Version : 1.5b
Description: Pascal implementation of Blowfish in CBC mode.

BFSH-NAF.ZIP
Author : Raif S. Naffah
Date : Jun 97
Description: Blowfish implemented in Java.

BFSH-REF.ZIP
Author : Eric Young
Reference : https://www.schneier.com/blowfish.html
Description: Reference source code for Blowfish

BFSH-SCH.ZIP
Author : Bruce Schneier
Date : 1994
Description: The Blowfish algorithm.

BFSH-UNK.ZIP
Author : Unknown
Description: C++ implementation of the Blowfish algorithm.

BIGNUM1.ZIP
Author : Bruce Bowen
Reference : ftp://idea.sec.dsi.unimi.it/pub/security/crypt/bignum
Description: Bignum class, written in Borland C++.

BIGNUM2.ZIP
Author : Bruce Bowen
Reference : ftp://idea.sec.dsi.unimi.it/pub/security/crypt/bignum
Date : 2 Jan 95
Description: Bignum package.

BNLIB11.ZIP
Author : Colin Plumb
Date : 1995
Version : 1.1
Description: Bnlib integer math package.

BRUTERC4.ZIP
Author : Adam Back and Tatu Ylonen
Date : Jun 97
Description: Quick hacked up RC4 brute force attack program.

CA1-1.ZIP
Author : Howard Gutowitz
Reference : http://www.santafe.edu/~hag
Date : 1992
Description: CA algorithm – cellular automata based cryptosystem.

CAST-256.ZIP
Author : Dr. Brian Gladman
E-mail: gladman@seven77.demon.co.uk
Date : 14 Jan 99
Description: CAST-256 AES Submission, in C.

CAST-BAR.ZIP
Author : John T. Barton
Date : 1997
Description: Implementation of CAST-128 was based on “Constructing Symmetric Ciphers Using the CAST Design Procedure,” by Carlisle M. Adams

CAST-BAR2.ZIP
Author : John T. Barton / Joachim Strömbergson
Date : 2011
Description: CAST-BAR updated by Joachim Strömbergson to be 64-bit arch safe by changing type declarations to use stdint.h. The code has also been updated to fix errors and warnings as found by the clang compiler.

CAST-GJK.ZIP
Authors : Peter Gutmann, Leonard Janke, and Vesa Karvonen
Reference : ftp://ftp.psy.uq.oz.au/pub/Crypto/libeay
Date : 18 Jun 97
Version : 0.1.1
Description: FastCAST is a software library providing Pentium optimized assembly implementations of the block encryption and decryption algorithms used in the CAST-128 cipher.

CAST-GUT.ZIP
Author : Peter Gutmann
Date : 1997
Description: CAST-128 algorithm in C.

CAST-REI.ZIP
Author : Steve Reid
Date : 10 Nov 97
Description: Public domain implementation of CAST-128 in C.

CBW.ZIP
Author : Robert W. Baldwin
Date : Oct 86
Description: Crypt Breaker’s Workbench. Program to help cryptanalyze messages encrypted with crypt(1).

CHAMBERS.ZIP
Author : Bill Chambers
Date : 1 Mar 95
Description: A cryptographic pseudo-random number generator, designed and written by Bill Chambers.

CHI.ZIP
Author : Peter Boucher
Date : 12 Nov 93
Description: Counts the occurrences of each character in a file and notifies the user when the distribution is too ragged or too even.

CRPT-POL.ZIP
Authors : Lance J. Hoffman, Faraz A. Ali, Steven L. Heckler, and Ann Huybrechts
Date : 30 Jan 94
Description: “Cryptography: Policy and Technology,” report.

CRYPT1.ZIP
Description: UNIX crypt(1) command: a one-rotor machine designed along the lines of Enigma, but considerably trivialized.

CRYPT3-L.ZIP
Author : Paul Leyland
Date : 21 Sep 94
Description: UNIX crypt(3) command.

CRYPTBAS.ZIP
Author : Joseph M. Reage, Jr.
Date : 25 Jun 96
Description: A few basic cryptographic utilities written by a student for a class. Includes programs for solving transposition ciphers, Chinese remainder theorem, and breaking really small knapsacks.

cryptl21b.zip
Authors : Peter Gutmann, Eric Young, and Colin Plumb
Reference : http://www.cs.auckland.ac.nz/~pgut001/cryptlib
Date : 5 Jan 99
Version : 2.1b
Description: The Cryptlib library contains Blowfish, CAST, DES, triple DES, IDEA, RC2, RC4, RC5, Safer, Safer-SK, and Skipjack conventional encryption, MD2, MD4, MD5, RIPEMD-160, and SHA hash algorithms, HMAC-MD5, HMAC-SHA, HMAC-RIPEMD-160, and MDC-2 MAC algorithms, and Diffie-Hellman, DSA, Elgamal, and RSA public-key encryption.

cryptl30.zip
Authors : Peter Gutmann, Eric Young, and Colin Plumb
Reference : http://www.cs.auckland.ac.nz/~pgut001/cryptlib
Date : May 00
Version : 3.0 beta
Description: This beta update to the Cryptlib library has a greatly simplified interface from the 2.0 version, and many enhancements and improvements. It contains Blowfish, CAST, DES, triple DES, IDEA, RC2, RC4, RC5, Safer, Safer-SK, and Skipjack conventional encryption, MD2, MD4, MD5, RIPEMD-160, and SHA hash algorithms, HMAC-MD5, HMAC-SHA, HMAC-RIPEMD-160, and MDC-2 MAC algorithms, and Diffie-Hellman, DSA, Elgamal, and RSA public-key encryption.

Cryptlib.zip
Author : Jack Lacy, Don Mitchell, and Matt Blaze
Date : 12 Jan 96
Version : 1.2
Description: The CryptoLib library.

crypto32.zip
Author : Wei Dai
Reference : http://www.eskimo.com/~weidai/cryptlib.html
Date : 20 Mar 00
Version : 3.2
Description: The Crypto++ library is a free C++ class library of cryptographic primitives. MD2, MD5, SHA-1, HAVAL, Tiger, RIPE-MD160, MD5-MAC, HMAC, XOR-MAC, CBC-MAC, DMAC, DES, IDEA, WAKE, 3-WAY, TEA, SAFER, Blowfish, SHARK, GOST, CAST-128, Square, Diamond2, Sapphire, RC2, RC5, RC6, MARS, Rijndael, Twofish, Serpent SEAL, Luby-Rackoff, MDC, various encryption modes (CFB, CBC, OFB, counter), DH, DH2, MQV, DSA, NR, ElGamal, LUC, LUCDIF, LUCELG, Rabin, RW, RSA, BlumGoldwasser, elliptic curve cryptosystems, BBS, DEFLATE compression, Shamir’s secret sharing scheme, Rabin’s information dispersal scheme. There are also various miscellanous modules such as base 64 coding and 32-bit CRC.

CRYPTON.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: Two implementations of CRYPTON, a 128-bit block cipher proposed as an AES standard.

Ctxjava.zip
Author : Cryptix Foundation
Reference : http://www.cryptix.org
Date : 17 May 00
Version : 3.1.2
Description: The Cryptix library. Crypto extensions for Java. The archive includes source, documentation, and classes.

CTXPERL.TGZ
Author : Cryptix Foundation
Reference : http://www.cryptix.org/products/perl/index.html
Date : 1999
Version : 1.16
Description: The Cryptix library. Crypto extensions for Perl.

CTXPGP.TGZ
Author : Cryptix Foundation
Reference : http://www.cryptix.org/products/perl/index.html
Date : 1997
Version : 0.09
Description: The Cryptix library. PGP library for Perl.

DEAL.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: DEAL block cipher. Candidate for AES.

Delphi.zip
Author : Delphi Skunkworks
Reference : http://www.scramdisk.clara.net/d_crypto.html
Date : 1996
Description: Encryption and hashing routines for BP7 and Delphi. Contains MD5, RC4, RC5, IDEA, Blowfish and DES.

DES-BARR.ZIP
Author : David A. Barrett
Date : 04 Apr 91
Description: DES implementation, fast.

DES-BISH.ZIP
Author : Matt Bishop
Date : 1987
Description: Implementation of DES front end; does ECB, CBC, CFB, OFB. Does not include actual DES code.

DES-DWY.ZIP
Author : Frank O’Dwyer
Date : 1996
Description: Port of part of Eric Young’s DES library to Java.

DES-KARN.ZIP
Author : Phil Karn
Reference : http://people.qualcomm.com/karn/code/des.html
Date : 1987
Description: DES implementation.

DES-KOON.ZIP
Author : David G. Koontz
Date : 1991
Description: DES implementation, fast but large.

DES-LEVY.ZIP
Author : Stuart Levy
Date : Apr 88
Description: DES implementation, fast and portable.

DES-LOUK.ZIP
Author : Antti Louko
Date : 1992
Description: DES implementation, fast, with main program and C function library for arbitrary precision integer arithmetic.

DES-MIKK.ZIP
Author : Svend Olaf Mikkelsen
Date : 28 May 97
Description: DES library for MS QuickBasic 4.5 and MS Basic 7.1.

DES-MITC.ZIP
Author : D.P. Mitchell
Date : 08 Jun 83
Description: DES implementation.

DES-OSTH.ZIP
Author : Stig Ostholm
Date : 1990
Version : 1.0
Description: DES implementation with several utility programs and many useful extra functions, runs on UNIX.

DES-OUTE.ZIP
Author : Richard Outerbridge
Date : 1991
Description: DES algorithm, fast and compact. Supports double and triple DES. Includes portable C version, and optimized 680×0 version.

DESSBOX.ZIP
Description: The 2^5 DES S-Boxes.

DESX.ZIP
Author : Richard Outerbridge
Date : 1994
Description: Implementation of DES and DESX.

DES-YOUN.ZIP
Author : Eric Young
Date : 1992
Description: DES implementation, one of the fastest around.

DHPRIME.ZIP
Author : Phil Karn
Date : 18 Apr 94
Description: Program for generating Diffie-Hellman primes; i.e., p and (p-1)/2 are prime.

DFC.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: DFC block cipher, candidate for AES.

DIAMOND.ZIP
Author : Michael Johnson
Date : 1995
Description: Michael Johnson’s Diamond encryption algorithm. Unknown security.

E2.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: E2 block cipher, candidate for AES.

ELIPTIC.ZIP
Author : Mike Rosing
Date : 1995
Version : 2.1
Description: Elliptic curve public key encryption package.

ELLIPTIX.ZIP
Author : Cryptix Foundation
Reference : http://cryptix.org, http://www.bssl.co.uk/mirrors/cryptix/products/elliptix/index.html
Date : 31 Mar 99
Version : pre-alpha quality – use at your own risk!
Description: Elliptix is intended to be a complete, 100% pure Java implementation of the IEEE P1363, ANSI X9.62, and ANSI X9.63 standards.

ENIGMA.ZIP
Author : Henry Tieman
Description: Software simulation of the German Enigma machine.

ESCROW.ZIP
Author : National Institute of Standards and Technology
Date : 30 Jul 93
Description: A Proposed Federal Information Processing Standard for an Escrowed Encryption Standard (EES).

EXAMPLES.ZIP
Author : Bruce Schneier
Description: Code examples from APPLIED CRYPTOGRAPHY.

FEAL8.ZIP
Date : 20 Sep 89
Description: FEAL-8 algorithm.

FEAL8-WI.ZIP
Author : Pate Williams
Date : 1999
Description: FEAL-8 algorithm.

FEALNX.ZIP
Author : Peter Pearson
Date : 28 Dec 92
Description: FEAL-NX algorithm.

FREQ.ZIP
Author : Peter Boucher
Date : 1993
Description: Program to count the frequency of every letter in a file.

FROG.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: FROG block cipher, candidate for AES.

FROGC.ZIP
Author : TecApro International S.A.
Reference : http://www.tecapro.com/aesfrog.htm
Date : 15 Jun 98
Description: The FROG block cipher in C, by the group which developed the algorithm.

FROGJAVA.ZIP
Author : TecApro International S.A.
Reference : http://www.tecapro.com/aesfrog.htm
Date : 15 Jun 98
Description: The FROG block cipher in Java, by the group which developed the algorithm.

GOST-KOC.ZIP
Author : Paul Kocher
Date : 16 Sep 94
Description: Another implementation of the GOST algorithm. Reverse-engineered Sboxes from the program Excellence.

GOST-PLU.ZIP
Author : Colin Plumb
Date : 1993
Description: The Soviet GOST algorithm (without the correct S-boxes).

HASHES.ZIP
Author : Colin Plumb
Date : Jun 93
Description: MD5 and SHA, optimized for speed.

HAVAL.ZIP
Author : Yuliang Zheng
Reference : http://www.pscit.monash.edu.au/~yuliang/src
Date : Apr 97
Version : 1
Description: HAVAL source code (corrected) plus specification.

HAVAL-BA.ZIP
Author : Paulo Barreto
Date : 07 Apr 97
Version : 1.1
Description: HAVAL algorithm.

HILL.ZIP
Author : John Cowan
Date : 09 Feb 89
Reference : http://sources.isc.org/utils/misc/hill.txt
Description: Hill cipher.

HPC.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: HPC block cipher, candidate for AES.

IDEAPLUS.ZIP
Author : Ascom Systec Ltd.
Reference : http://www.ascom.ch/infosec/downloads.html
Version : 2.1
Description: “Official” IDEA implementation in C, by the group which developed the algorithm.

IDEA_PLU.ZIP
Author : Colin Plumb
Date : 23 Feb 93
Description: IDEA algorithm in C, optimized for speed.

IDEA-WIL.ZIP
Author : Pate Williams
Date : 1999
Description: IDEA algorithm in C.

IDEA68K.ZIP
Author : Colin Plumb
Date : 1993
Description: IDEA algorithm in 68000 assembly.

IDEA8086.ZIP
Author : Colin Plumb
Date : 1993
Description: IDEA algorithm in 8086 assembly.

IDEATINY.ZIP
Author : Unknown posting to sci.crypt
Date : Jun 95
Description: Tiny code for IDEA implementation in C.

I-HAT.ZIP
Author : Doug Gwyn
Date : 01 Apr 91
Description: C code for various cryptographically useful statistical analysis functions: Kullback’s information measure for a 2-way contingency table, Gamma and repeated functions (Poisson, chi-square, etc.), Pearson’s chi- square, etc.

ISOMORPH.ZIP
Author : Paul Leyland
Description: Utility that prints isomorphs.

KERBEROS.ZIP
Author : Massacusetts Institute of Technology
Date : 1993
Version : 5
Description: Kerberos RFC (1510).

KHUFU.ZIP
Authors : Rayan Zachariassen and Curt Noll
Date : 1989
Description: This archive contains KHUFU.C, a hack implementation of the Khufu algorithm. It also contains PRSBOX.H, PRSBOX.C, and MAKEFILE, a program to print S-boxes.

KS-TEST.ZIP
Author : Peter Boucher
Date : 1994
Description: KS statistical test.

LCRNG.ZIP
Author : Stephen Park and Keith Miller
Date : 08 Jan 92
Description: Linear congruential random number generator.

LCRNG-T.ZIP
Author : R.A. O’Keefe
Date : 1992
Description: Simple block transposition cipher based on a linear congruential random number generator.

LIBCH.ZIP
Author : Leonard Janke
Date : Jun 97
Description: A C/C++/Assembly library for doing fast one-way hashing on the Pentium.

LIBDES.ZIP
Author : Eric Young
Date : 13 Jan 97
Version : 4.01
Description: The LibDES kit builds a DES encryption library and a DES encryption program. It supports ecb, cbc, ofb, cfb, triple ecb, triple cbc, triple ofb, triple cfb, desx, and MIT’s pcbc encryption modes and also has a fast implementation of crypt(3).

LIBRAND.ZIP
Author : Matt Blaze
Date : Jun 97
Description: Truerand is a dubious, unproven hack for generating “true” random numbers in software.

logi.zip
Author : Logi Ragnarsson
Reference : http://logi.imf.au.dk/logi.crypto/
Version : 1.07 (the latest stable version)
Description: logi.crypto is a non-certified 100% pure Java library for using strong encryption in Java 1.1 programs. It includes tools for encryption and authentication.

logi-dev.zip
Author : Logi Ragnarsson
Reference : http://logi.imf.au.dk/logi.crypto/
Version : 1.1.1 (the latest development version)
Description: logi.crypto is a non-certified 100% pure Java library for using strong encryption in Java 1.1 programs. It includes tools for encryption and authentication.

LOKI.ZIP
Author : Matthew Kwan and Lawrence Brown
Date : Oct 92
Version : 3.0
Description: LOKI89 and LOKI91.

LOKI97.ZIP
Author : Dr. Lawrie Brown
Reference : http://www.adfa.oz.au/~lpb/research/loki97
Date : 30 Apr 99
Description: Loki97 block cipher in C, candidate for AES.

LOKIJAVA.ZIP
Author : Dr. Lawrie Brown
Reference : http://www.adfa.oz.au/~lpb/research/loki97
Date : 30 Apr 99
Description: Loki97 block cipher in Java, candidate for AES.

LUCIFER2.ZIP
Author : Graven Cyphers
Date : 1992
Description: LUCIFER algorithm.

Lucre.zip
Authors : Ben Laurie and Adam Laurie
Date : Aug 2000
Description: lucre is an implementation (in C++ and Java) of David Wagner’s Diffie-Hellman variant on Chaumian blinding. In theory, it can be used for anonymous digital money and other untraceable transactions. There is no connection between this and “-lucre” except for the name.

LUCRE081.ZIP
Authors : Cypherpunks
Date : 1996
Version : 0.8.1
Description: “-lucre”: The Unofficial Cypherpunks Release of Ecash.

MAGENTA.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: Magenta block cipher, candidate for AES.

MARS.ZIP
Author : Dr. Brian Gladman
Reference : http://domino.research.ibm.com/comm/research_projects.nsf/pages/security.mars.html
Date : 14 Jan 99
Description: Mars block cipher, candidate for AES.

Mars-AES.zip
Author : IBM (represented by Nevenko Zunic)
Reference : http://csrc.nist.gov/encryption/aes/round2/r2algs-code.html
Date : 30 Sep 99
Description: Mars block cipher, candidate for AES. Source code submitted to NIST for AES.

MD4.ZIP
Author : RSA Data Security, Inc.
Date : 1992
Description: MD4 algorithm.

MD4-HOLO.ZIP
Author : Jouka Holopainen
Date : 1992
Description: MD4 algorithm, fast DOS implementation.

MD5.ZIP
Author : RSA Data Security, Inc.
Description: RSA Data Security, Inc. MD5 Message-Digest Algorithm, along with the rfc describing it.

MD5-KAR2.ZIP
Author : Phil Karn
Date : 1992
Description: Optimization of RSA’s MD5 code for 80386.

MD5-KARN.ZIP
Author : Phil Karn
Date : 1992
Description: Implementation of Phil Karn’s idea for a cipher based upon MD5. Unknown security.

MDC.ZIP
Author : Peter Gutmann
Date : Sep 92
Description: Peter Gutmann’s Message Digest Cipher. Encryption algorithm which uses MD5 in CFB mode. Unknown security.

MD-RFC.ZIP
Author : RSA Data Security, Inc.
Date : Apr 92
Description: Internet RFCs (Requests for Comment) for MD2, MD4, and MD5.

MIMIC.ZIP
Author : Peter Wayner
Date : 1991
Description: Mimic function.

MMB.ZIP
Author : Joan Daemen
Description: An implementation of Joan Daemen’s MMB algorithm.

MPJ2.ZIP
Author : Michael Johnson
Date : 1993
Description: Michael Johnson’s MPJ2. Unknown security.

MRRCIP.ZIP
Author : Mark Riordan
Date : 1988
Description: Implementation of classical ciphers—Caesar cipher, Playfair digraphic cipher, etc.

NETSCAPE.ZIP
Author : Ian Goldberg and David Wagner
Date : 17 May 95
Description: Break of Netscape’s shoddy implementation of SSL on some platforms.

NEWDE.ZIP
Author : Richard Outerbridge
Date : 21 Dec 92
Description: NewDE algorithm, a DES variant used in the Macintosh program StuffIt (versions 1.51 and 2.0).

NEWDES.ZIP
Author : Mark Riordan
Date : 12 Aug 90
Description: NewDES algorithm.

NHASH.ZIP
Date : 15 Feb 93
Description: N-Hash algorithm.

NSEA.ZIP
Author : Peter Gutmann
Date : 1992
Description: Nonpatented Simple Encryption Algorithm.

OpenSSL.zip
Author : The OpenSSL Project
Reference : http://www.openssl.org
Date : 3 Apr 2000
Version : 0.9.5a
Description: The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library. OpenSSL is based on the excellent SSLeay library developed by Eric A. Young and Tim J. Hudson.

PATE.ZIP
Author : Pate Williams
Reference : http://www.mindspring.net/~pate/crypto.html
Date : 1999
Description: Includes block ciphers 3DES, DES, RC5, SAFER-k64; public key algorithms RSA, Rabin, ElGamal, Merkle-Hellman knapsack; hash functions Matyas-Meyer-Oseas, MDC-2, MDC-4, SHA-1; signature schemes Rabin, Feige-Fiat-Shamir, GQ, DSA, GMR, ESIGN; pseudorandom generators Blum-Blum-Shub, Micali-Schnorr.

PEGWITC.ZIP
Author : George Barwood
Reference : http://ds.dial.pipex.com/george.barwood/v8/pegwit.htm
Date : Jun 97
Version : 8
Description: Pegwit is a C program for performing public key encryption and authentication. It uses an elliptic curve over GF(2^255), and the symmetric block cipher Square.

PEGWITJ.ZIP
Author : George Barwood
Reference : http://ds.dial.pipex.com/george.barwood/v8/pegwit.htm
Date : Jun 97
Description: Same as above, Java version.

PJAVA1_1.ZIP
Author : George Barwood
Reference : http://ds.dial.pipex.com/george.barwood/v8/pegwit.htm
Date : Jun 97
Description: Same as above, Java version with GUI interface.

GETPGP.ZIP
Date : 2 Jan 99
Reference : http://cryptography.org/getpgp.htm
Description: A list of places to download PGP from.

PIKE.ZIP
Author : Ross Anderson
Date : Dec 94
Description: A stream cipher by Ross Anderson.

PKC.ZIP
Author : James Nechvatal (of NIST)
Date : Dec 90
Description: Public-Key Cryptography, a 162-page tutorial.

PLAYFAIR.ZIP
Author : Paul Leyland
Date : 1993
Description: Playfair algorithm.

PPSC.ZIP
Author : Peter Boucher
Date : 1992
Description: Pass-Phrase Stream Cipher.

PRNGXOR.ZIP
Author : Carl Ellison
Reference : http://world.std.com/~cme/
Date : 1993
Description: Source code that illustrates polyalphabetic substitution with a running key stream.

PRV-ANMT.ZIP
Author : L. Detweiler
Date : 09 May 93
Version : 1.0
Description: “Privacy and Anonymity on the Internet”: comprehensive summary.

PYTHON1.ZIP
Author : A.M. Kuchling
Reference : ftp://ftp.cwi.nl/pub/pct/
Version : 1.0.0
Description: Python cryptography library.

QUANTIZE.ZIP
Authors : Matt Blaze and Jack Lacy
Date : Dec 95
Version : 1.0
Description: Simple Unix time quantization package. Attempt to counter Paul Kocher’s Timing Attacks.

RADIX64.ZIP
Author : Carl Ellison
Date : 1995
Description: Radix64 endocing and decoding.

RAND-BAR.ZIP
Author : Chris Barker
Date : 8 Apr 95
Description: A pseudo-random sequence generator by Chris Barker.

RAND-ECS.ZIP
Authors : Donald E. Eastlake 3rd, Stephen D. Crocker, and Jeffrey I. Schiller (Jeffrey I. Schiller)
Date : 24 Dec 94
Description: RFC1750, “Randomness Requirements for Security.”

RAND-ELL.ZIP
Author : Carl Ellison
Date : 1995
Description: Random number mixer: takes in a random source and outputs strong random numbers.

RAND-GBA.ZIP
Authors : Peter Gutmann, Eric Backus, and Ross Anderson (Ross Anderson)
Date : Oct 92
Description: Schematic for cheap hardware random bit generator.

RAND-HAR.ZIP
Author : Brian Harvey
Date : 08 Dec 93
Description: Random number generator for AT-compatible MS-DOS machines.

RAND-JEN.ZIP
Author : Bob Jenkins
Date : 1994
Description: A tester of random number generators.

RAND-MB.ZIP
Author : D. P. Mitchell and Matt Blaze
Date : 1995
Description: True random data on a Unix system. Untested on most machines.

RAND-SCO.ZIP
Author : Mike Scott
Description: Randomness analysis, using Maurer’s test.

RAND-VRI.ZIP
Author : Nico E de Vries
Date : 1992
Description: Random number generator that uses phase noise in PC crystals to generate random bits.

RC2-UNK.ZIP
Author : Unknown
Date : 1996
Description: The alleged RC2 cipher, posted anonymously to sci.crypt.

RC2-FIX.ZIP
Date : 21 Jan 98
Description: Supposedly corrects a problem with a previous posting of RC2 source code implemented in C++.

RC4.ZIP
Date : 1994
Description: The alleged RC4 cipher, posted anonymously to sci.crypt.

RC4-GUT.ZIP
Author : Peter Gutmann
Date : 21 Sep 95
Description: Intel 8086 assembly language implementation of RC4.

RC5-KEL.ZIP
Author : John Kelsey
Date : 20 Mar 95
Description: Implementation of the RC5 algorithm.

RC5-NIM.ZIP
Author : J. Nimmer
Date : 2 Jan 95
Description: Reference implementation of the RC5 algorithm.

RC5-RSA.ZIP
Author : RSA Data Security, Inc.
Date : 1995
Description: The RC5 algorithm—reference implementation in C.

RC5-WIL.ZIP
Author : Pate Williams
Date : 1997
Description: The RC5 algorithm.

RC6-AES.ZIP
Author : RSA Laboratories (represented by Matthew Robshaw)
Reference : http://csrc.nist.gov/encryption/aes/round2/r2algs-code.html
Date : 30 Sep 99
Description: RC6 block cipher, candidate for AES. Source code submitted to NIST for AES.

RC6.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: RC6 block cipher, candidate for AES.

REDOC2.ZIP
Author : Michael Wood
Description: REDOC2 algorithm.

REDOC3.ZIP
Author : Michael Wood
Description: REDOC3 algorithm.

RIJNDAEL.ZIP
Author : Joan Daemen and Vincent Rijmen
Reference : http://www.esat.kuleuven.ac.be/~rijmen/rijndael/
Description: Rijndael block cipher in C, written by the developers of the algorithm. Candidate for AES.

RIJNJAVA.ZIP
Author : Joan Daemen and Vincent Rijmen
Reference : http://www.esat.kuleuven.ac.be/~rijmen/rijndael/
Description: Rijndael block cipher in Java, written by the developers of the algorithm, for use with the Cryptix toolkit.

Rijn-AES.ZIP
Author : Joan Daemen, Vincent Rijmen
Reference : http://csrc.nist.gov/encryption/aes/round2/r2algs-code.html
Date : 30 Sep 99
Description: Rijndael block cipher, candidate for AES. Source code submitted to NIST for AES.

RIPEM3B4.ZIP
Author : Mark Riordan
Reference : ftp://ripem.msu.edu/pub/crypt/ripem/
Date : Dec 98
Version : 3.0b4
Description: Privacy Enhanced Mail.

RIPE-MD.ZIP
Author : Centre for Mathematics and Computer Science, Amsterdam
Date : 06 May 92
Version : 1.0
Description: RIPE-MD function, written by the RIPE project.

Ripem160.zip
Author : Hans Dobbertin, Antoon Bosselaers, and Bart Preneel
Reference : http://www.esat.kuleuven.ac.be/~bosselae/ripemd160.html
Date : 18 Apr 96
Version : 1.1
Description: Implementations of RIPEMD-128 and RIPEMD-160.

RSA-CPP.ZIP
Author : George Barwood
Reference : ftp://ftp.funet.fi/pub/crypt/cryptography/asymmetric/rsa/
Date : 26 Nov 96
Description: RSA public-key encryption in C++.

RSAEURO.ZIP
Author : Reaper Technologies
Date : 1997
Version : 1.04
Description: RSAEuro library, international RSAREF replacement.

Rsa_faq.zip
Author : RSA Data Security, Inc.
Reference : http://rsa.com/rsalabs/faq
Date : Apr 00
Version : 4.1
Description: RSA Data Security’s Frequently Asked Questions about Cryptography file.

RSAREF20.ZIP
Author : RSA Data Security, Inc.
Date : 1994
Version : 2.0
Description: Reference implementation of RSA. Includes code for DES and MD5. Bignum package can be easily modified to do El Gamal, Diffie-Hellman, DSA, etc.

RUBY.ZIP
Author : Michael Johnson
Date : 4 Jan 96
Description: Michael Johnson’s Ruby Hash algorithm. Unknown security.

RUBY_M5.ZIP
Author : Michael Johnson
Reference : http://cryptography.org
Description: Michael Johnson’s cipher based on the Ruby Hash. Unknown security.

S1.ZIP
Date : 1991
Description: S-1 CIPHER ALGORITHM software chip simulator. Thought to be Skipjack at one point.

SAFER-MO.ZIP
Author : Richard De Moliner
Date : 9 Sep 95
Version : 1.1
Description: Implementations of SAFER K-64, SAFER K-128, SAFER SK-64, and SAFER SK-128.

SAFER-RO.ZIP
Author : Michael Roe
Date : 22 Dec 94
Description: Original SAFER algorithm.

SAFER-WI.ZIP
Author : Pate Williams
Date : 1997
Description: Implementation in C of the SAFER K-64 algorithm.

SAFER+.zip
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: SAFER+ block cipher, candidate for AES.

SAPPHIRE.ZIP
Author : Michael Johnson
Date : 2 Jan 95
Description: Michael Johnson’s SAPPHIRE algorithm. Unknown security.

SCRT-FIN.ZIP
Author : Hal Finney
Date : Oct 93
Version : 1.1
Description: Implementation of Shamier secret sharing.

SCRT-PEA.ZIP
Author : Peter Pearson
Date : 15 Feb 93
Description: Code to implement a secret sharing threshold scheme.

SCRT-WIL.ZIP
Author : Pate Williams
Date : 1997
Description: Shamir secret sharing.

SEAL-ROE.ZIP
Author : Michael Roe
Date : 22 Dec 94
Description: SEAL cipher.

SEAL-WIL.ZIP
Author : Pate Williams
Date : 1997
Description: SEAL cipher.

SERPENT.ZIP
Author : Dr. Brian Gladman
Reference : http://www.cl.cam.ac.uk/~rja14/serpent.html
Date : 14 Jan 99
Description: Serpent block cipher, candidate for AES.

Serp-AES.zip
Author : Ross Anderson, Eli Biham, Lars Knudsen
Reference : http://csrc.nist.gov/encryption/aes/round2/r2algs-code.html
Date : 30 Sep 99
Description: Serpent block cipher, candidate for AES. Source code submitted to NIST for AES.

SHA-GUT.ZIP
Author : Peter Gutmann
Date : 2 Sep 1992
Description: Old Secure Hash Algorithm (SHA-0).

SHA-REI.ZIP
Author : Steve Reid
Date : 1997
Description: New Secure Hash Algorithm (SHA-1) in C.

Sha-rub.zip
Author : Paul Rubin
Date : 1994
Description: Old Secure Hash Algorithm (SHA-0).

SNEFRU.ZIP
Author : Ralph Merkle
Reference : ftp://arisia.xerox.com/pub/hash
Date : 30 Nov 90
Version : 2.5a
Description: Snefru algorthm.

SNUFFLE.ZIP
Author : Dan Bernstein
Date : 1992
Description: Program to turn a one-way hash function into an encryption function.

SPEED.ZIP
Author : Yuliang Zheng
Reference : http://www.pscit.monash.edu.au/~yuliang/src
Date : Feb 97
Description: SPEED block cipher algorithm.

SPLAY.ZIP
Author : Douglas W. Jones
Date : 20 Feb 89
Description: Compression and encryption in C based on splay trees.

Ssleay.zip
Author : Eric Young and Tim Hudson
Reference : ftp://ftp.psy.uq.oz.au/pub/Crypto/SSL/
Date : Jun 98
Version : 0.9.0b
Description: What started as an effort to implement the SSL protocol turned into a fairly complete cryptographic library. There is also quite a bit of ASN.1 support, with routines to convert and manipulate the base ASN.1 types, X509v3 certificates, certificate requests, certificate revocation lists (CRL), RSA private keys and DH parameters. There are routines to load and write these objects in base64 encoding and routines to convert ASN.1 object identifiers to/from ASCII representations and an internal form. There are functions for verification of X509 certificates and for specifying where to look for certificates to ‘climb’ the x509 ‘tree’. This last part of the library is still evolving.

Strandom.zip
Author : Yuliang Zheng
Reference : http://www.pscit.monash.edu.au/~yuliang/src
Date : May 00
Description: Pseudo-random number generator, based on HAVAL.

SURF.ZIP
Author : Dan Bernstein
Date : Jun 97
Description: SURF algorithm.

TEA-MIR.ZIP
Author : Fauzan Mirza
Description: An x86 assembler implementation of the Tiny Encryption Algorithm.

TEA.C
Authors : David Wheeler and Roger Needham
Reference : http://vader.eeng.brad.ac.uk/tea/tea.shtml
Date : Nov 94
Description: The Tiny Encryption Algorithm, designed and written by David Wheeler and Roger Needham.

TIGER.ZIP
Authors : Ross Anderson and Eli Biham
Reference : http://www.cs.technion.ac.il/~biham/Reports/Tiger
Description: Hash function designed by Ross Anderson and Eli Biham. Designed to be fast on 64-bit processors. Should run on 32-bit processors.

TIGER32.ZIP
Authors : Ross Anderson and Eli Biham
Reference : http://www.cs.technion.ac.il/~biham/Reports/Tiger
Description: Same as above; designed for 32-bit processors.

TIS-MOSS.ZIP
Author : Mark S. Feldman
Reference : ftp://ftp.tis.com/pub/MOSS/
Date : 28 Aug 96
Description: The Frequently Asked Questions file about the TIS implementation of MOSS (formerly PEM).

TRAN.ZIP
Author : Carl Ellison
Date : 1995
Description: Carl Ellison’s TRAN function, a large-block mixing function.

TRAN-PWD.ZIP
Author : Carl Ellison
Date : 1995
Description: TRAN with the addition of a key.

TRNSPOSE.ZIP
Author : William Setzer
Date : 1992
Description: Cipher that does a transposition of an up to 8192-byte block, based on a random number generator.

TRPLEDES.ZIP
Authors : Richard Outerbridge and Graven Imagery
Date : 14 Sep 95
Description: Portable 3DES implementation.

2fsh-AES.zip
Author : Bruce Schneier, John Kelsey, Doug Whiting, David Wagner, Chris Hall, Niels Ferguson
Reference : http://csrc.nist.gov/encryption/aes/round2/r2algs-code.html
Date : 30 Sep 99
Description: Twofish block cipher, candidate for AES. Source code submitted to NIST for AES.

2fsh-asm.zip
Author : Bruce Schneier
Reference : https://www.schneier.com/twofish.html
Description: Pentium/Pro/II assembly implementation of Twofish; candidate for AES.

2FSH-REF.ZIP
Author : Bruce Schneier
Reference : https://www.schneier.com/twofish.html
Date : 20 Jun 11
Description: Reference C code for the Twofish algorithm; candidate for AES.

2FSH-OPT.ZIP
Author : Bruce Schneier
Reference : https://www.schneier.com/twofish.html
Description: Optimized C code for the Twofish algorithm; candidate for AES.

2FSHJAVA.ZIP
Author : Bruce Schneier
Reference : https://www.schneier.com/twofish.html
Description: Java implementation of the Twofish algorithm.

2fsh6805.zip
Author : Doug Whiting
Reference : https://www.schneier.com/twofish.html
Description: Twofish 6805 assembly (smart card) implementation; candidate for AES.

2fsh-z80.zip
Author : Fritz Schneider
Reference : https://www.schneier.com/twofish.html
Description: Twofish Z80 assembly implementation; candidate for AES.

TWOFISH.ZIP
Author : Dr. Brian Gladman
Date : 14 Jan 99
Description: Twofish block cipher, candidate for AES.

VIGENERE.ZIP
Author : Leisa Condie
Date : Dec 92
Description: A program that encrypts using Vigenere, Beauford, or Variant Beauford ciphers.

VIGSOLVE.ZIP
Author : Mark Riordan
Date : 11 Jan 91
Description: Program to find possible solutions to a Vigenere cipher.

Yarrow.zip
Author : Ari Benbasat, Bruce Schneier, and John Kelsey
Reference : https://www.schneier.com/yarrow.html
Date : May 98
Description: Yarrow is a high-performance, high-security, pseudo-random number generator (PRNG) for Windows, Windows NT, and UNIX. It can provide random numbers for a variety of cryptographic applications: encryption, signatures, integrity, etc.

ZIP.ZIP
Author : Roger Schlafly
Description: The encryption algorithm used in the P.ZIP 2.04g and 2.0.1 compression program.

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Sidebar photo of Bruce Schneier by Joe MacInnis.