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Simple Substitution Cipher software
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Simple Substitution Cipher

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Character/ symbol frequency distribution analaysis on vintage ciphers The objective is to demonstrate character/ symbol frequency distribution analysis (reference to the English language) on 2 vintage ciphers, namely Caesar cipher (a mono-alphabetic substitution cipher) and the Vigenere cipher (a poly-alphabetic substitution cipher).Under the symbol frequency...



Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 92.16 KB Download (22): Character/ symbol frequency distribution analaysis on vintage ciphers Download

Released: November 02, 2011  |  Added: November 02, 2011 | Visits: 106

Cipher Text - SMS Want to send a secret message? This app is for you. Cipher text and send the message, it can be deciphered by the receipient wih the same app. This app uses caesar substitution cipher. Requirements: Windows Phone 8.1, Windows Phone 8, Windows Phone 7.5





Platforms: Windows Phone

License: Freeware Size: 1024 KB Download (9): Cipher Text - SMS Download

Released: October 14, 2012  |  Added: October 14, 2012 | Visits: 215

ABCrypt A C++/Qt program for use in encrypting and decrypting simple substitution cyphers. These cyphers are often found in newspapers and various puzzle books.


Platforms: Windows, Mac, BSD, Linux

License: Freeware Size: 14.28 KB Download (29): ABCrypt Download

Added: July 08, 2013 | Visits: 188

Substitution Cipher encoder and decoder This function uses frequency analysis to attack and decode messagesencoded using a /substitution cipher/ which exchanges each letter of thealphabet for another. Unlike the famous "Caesar Shift" cipher, which"shifts" the letters of the alphabet along by a certain amount, givingjust 26 possible...


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Substitution Cipher encoder and decoder Download

Released: June 28, 2008  |  Added: July 03, 2008 | Visits: 1.511

wReplace Free program, which allows you to change/replace multiple letters and phrases at a time. It is easy to create and save lists of changes/replacements, so that you can reuse them. You can even paste replacement table from your spreadsheet (e.g. Excel/Calc). wReplace resembles Notepad. Like...


Platforms: Windows

License: Freeware Size: 820.15 KB Download (155): wReplace Download

Released: January 04, 2013  |  Added: January 04, 2013 | Visits: 276

wReplace 1.2.Free Free program, which allows you to change/replace multiple letters and phrases at a time. It is easy to create and save lists of changes/replacements, so that you can reuse them. You can even paste replacement table from your spreadsheet (e.g. Excel/Calc). wReplace resembles Notepad. Like...


Platforms: Windows

License: Freeware Size: 820 KB Download (38): wReplace 1.2.Free Download

Released: December 19, 2012  |  Added: November 19, 2013 | Visits: 514

Substitution Cipher Toolkit This collection of tools helps cracking texts encrypted with monoalphabetic substitution: 1) Gathering statistics of a certain language, 2) creating keys, 3) encrypting and decrypting texts, 4) cracking texts automatically, 5) fine-tuning of decryption


Platforms: Mac

License: Freeware Size: 167.92 KB Download (42): Substitution Cipher Toolkit Download

Released: December 06, 2011  |  Added: January 25, 2012 | Visits: 977

Sudoku Extend Play Sudoku on squares with different forms! There are 28 various boards - actually 28 separate games. The game receives new quality due to the new form of squares. New algorithms for solution are necessary. Sudoku Extend creates unlimited number of defferent completely random puzzles. Now you...


Platforms: Windows

License: Shareware Cost: $16.95 USD Size: 8.68 MB Download (95): Sudoku Extend Download

Added: June 25, 2010 | Visits: 569

Cryptoslam Cryptoslam project is a curses tool for breaking cryptograms. Cryptoslam is a curses based tool for creating and solving the simple pencil-and-paper cryptograms found in newspapers and puzzle magazines. It is a tool that aids in analyzing, examining, and trying possible decodings of simple...


Platforms: *nix

License: Freeware Size: 36.86 KB Download (74): Cryptoslam Download

Released: September 24, 2012  |  Added: September 24, 2012 | Visits: 188

SubCypher SubCypher is a little fun utility to learn about cryptanalyis. What does this program do? It's a little fun application that can assist you in breaking very simple substitution cypher encryption on plain text. I wrote this in response to the December 2008 FBI Cryptanalysis challenge at...


Platforms: Mac

License: Freeware Size: 4.6 MB Download (28): SubCypher Download

Added: May 10, 2013 | Visits: 181

String substitution shorty This script shows a simple (but not hopelessly fragile) approach for string substitution.


Platforms: Windows, Mac, *nix, Python, BSD Solaris

License: Freeware Download (29): String substitution shorty Download

Added: January 18, 2010 | Visits: 687

Secret::Simple Secret::Simple are secure secrets in configurations and code. SYNOPSIS # OOP style my $ss = Secret::Simple->new(); my $ciphertext = $ss->encrypt($plaintext); my $plaintext = $ss->decrypt($ciphertext); # procedural style my $ciphertext = ssencrypt($plaintext); my $plaintext =...


Platforms: *nix

License: Freeware Size: 8.19 KB Download (70): Secret::Simple Download

Added: November 12, 2010 | Visits: 1.550

Cryptomak Cipher Tools Cryptomak Cipher Tools project consists of a collection of PHP scripts for encryption purposes. Cryptomak contains a cipher and tools for encryption utilities written in PHP, including substitution, vigenere, affine, transposition, and index of coincidence. It is powered by the Phrame...


Platforms: *nix

License: Freeware Size: 112.64 KB Download (282): Cryptomak Cipher Tools Download

Released: November 19, 2012  |  Added: November 19, 2012 | Visits: 274

JBO Xia Cipher Xia Cipher automatically removes non-alphabetic characters from the text before encryption, decryption, or analysis (if a ciphertext contains non-alphabetic characters then it is probably not a Xia ciphertext). The stripped text is subjected to polyalphabetic substitution against multiple tables...


Platforms: Windows

License: Freeware Download (50): JBO Xia Cipher Download

Released: July 27, 2012  |  Added: July 27, 2012 | Visits: 344

JBO Giova X Cipher Giova X Cipher is an application especially designed to secure text and messages using classical cryptographic methods. What all ciphers (except a One Time Pad) have in common is that ultimately, they are breakable. The issue is the amount of time it would take to break them and whether such time...


Platforms: Windows

License: Freeware Download (42): JBO Giova X Cipher Download

Released: October 02, 2012  |  Added: October 02, 2012 | Visits: 277

JBO Zeta Cipher Zeta Cipher is an application designed to secure text and messages using a modern implementation of neo-classical cryptographic methods. What all ciphers have in common is that ultimately, they are breakable. The issue is the amount of time it would take to break them and whether such time would...


Platforms: Windows

License: Freeware Download (40): JBO Zeta Cipher Download

Released: November 08, 2012  |  Added: November 08, 2012 | Visits: 360

JBO Xia B Cipher Xia B Cipher is an encryption software developed to secure text and messages using classical cryptographic methods. What all ciphers have in common is that ultimately, they are breakable. The issue is the amount of time it would take to break them and whether such time would be well spent. Some...


Platforms: Windows

License: Freeware Download (40): JBO Xia B Cipher Download

Released: October 18, 2012  |  Added: October 18, 2012 | Visits: 320

JBO Giova Cipher Giova Cipher was developed to secure text and messages using classical cryptographic methods. What all ciphers (except a One Time Pad) have in common is that ultimately, they are breakable. The issue is the amount of time it would take to break them and whether such time would be well spent....


Platforms: Windows

License: Freeware Download (45): JBO Giova Cipher Download

Released: August 05, 2012  |  Added: August 05, 2012 | Visits: 254

JBO Catflap Cipher JBO Catflap Cipher is an application developed to secure text and messages using classical cryptographic methods. What all ciphers have in common is that ultimately, they are breakable. The issue is the amount of time it would take to break them and whether such time would be well spent. Some...


Platforms: Windows

License: Freeware Download (41): JBO Catflap Cipher Download

Added: August 24, 2013 | Visits: 241

Cryptomak Cipher Tools Cryptomak Cipher Tools project consists of a collection of PHP scripts for encryption purposes. Cryptomak contains a cipher and tools for encryption utilities written in PHP, including substitution, vigenere, affine, transposition, and index of coincidence. It is powered by the Phrame platform...


Platforms: *nix

License: Freeware Size: 112.64 KB Download (20): Cryptomak Cipher Tools Download

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