CryptoWorkbench/vigenere.csharp

93 lines
4.1 KiB
Plaintext
Raw Normal View History

Converting from Bazaar Old Log: ------------------------------------------------------------ revno: 16 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Sun 2016-07-10 20:22:37 -0500 message: Some fixes for regex, captive shells, analysis ------------------------------------------------------------ revno: 15 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:54:04 -0500 message: Adding captivecrypto.bash shell to go with ForceCommand ------------------------------------------------------------ revno: 14 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:38:21 -0500 message: Updating ------------------------------------------------------------ revno: 13 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-07-05 13:20:34 -0500 message: Adding inline regex lookup Updating ciphers to use standard constructor -- now ciphers can be added from new class, new private in WorkBench, and new instantiation in Workbench constructor ------------------------------------------------------------ revno: 12 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Sat 2016-06-18 10:16:40 -0500 message: GUI enhancements for colorizing. General updates. ------------------------------------------------------------ revno: 11 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-05-09 12:21:57 -0500 message: Updated letter frequency in analysis Added reverse function in Simple Updated bash script with small fixes Updated cryptoworkbench Links function with link to frequency analysis ------------------------------------------------------------ revno: 10 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Fri 2016-04-15 13:03:41 -0500 message: Syncing with new ciphers for Affine, Ubchi, Vignere, and Columnar Transposition. Analytics updated and general fixes included. Paradigm shift for cipher inheritance. ------------------------------------------------------------ revno: 9 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-02-10 15:36:37 -0600 message: Added new class for simple operations, like string to upper/lower and removing spaces. Updated with file reading and writing. Added brute-force for Caesarian ciphers. Updated substition and analysis for better options. Improved CLI ------------------------------------------------------------ revno: 8 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-02-01 13:44:20 -0600 message: Modified analysis to display doubled letters and notify of which letter is repeated when One-to-one query fails to find a one-to-one relationship ------------------------------------------------------------ revno: 7 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-28 10:03:40 -0600 message: Lots of minor fixes. ------------------------------------------------------------ revno: 6 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-20 09:29:54 -0600 message: Makefile had a small typo but it prevented installs. Worth a commit. ------------------------------------------------------------ revno: 5 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-01-19 13:12:12 -0600 message: Added one-to-one query to Analysis for checking if a substitution or rotation remains one-to-one and to acquire the key Moved bash script to ease tab-completion ------------------------------------------------------------ revno: 4 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-14 10:24:02 -0600 message: Renamed README to be consistent with other branches in repo. Added Caesarian functions Added analysis and substitution functions for letter substitution. ------------------------------------------------------------ revno: 3 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:41:05 -0600 message: Added install files ------------------------------------------------------------ revno: 2 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:30:10 -0600 message: Adding Makefile and source files. ------------------------------------------------------------ revno: 1 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 10:29:31 -0600 message: Initializing project tree and adding Readme.
2016-08-04 12:10:50 -05:00
using System;
using System.Linq;
using System.IO;
using System.Text;
using System.Collections.Generic;
namespace AniNIX.Crypto {
public class Vigenere : Cipher {
public override String Description() { return "The basic Vigenere cipher\nKey format is any word to use for the passphrase"; }
public override String Command() { return "vig"; }
public Vigenere(Workbench w) : base (w) {}
/// <summary>
/// Encrypt a string with the cipher. Encryption and decryption work like a substitution but is rotated with a key.
/// </summary>
/// <param name="workSpace">The working copy of the cipher</param>
/// <param name="inputText">The original cipher</param>
/// <param name="line">The user input</param>
/// <returns>The encrypted string</returns>
Converting from Bazaar Old Log: ------------------------------------------------------------ revno: 16 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Sun 2016-07-10 20:22:37 -0500 message: Some fixes for regex, captive shells, analysis ------------------------------------------------------------ revno: 15 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:54:04 -0500 message: Adding captivecrypto.bash shell to go with ForceCommand ------------------------------------------------------------ revno: 14 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:38:21 -0500 message: Updating ------------------------------------------------------------ revno: 13 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-07-05 13:20:34 -0500 message: Adding inline regex lookup Updating ciphers to use standard constructor -- now ciphers can be added from new class, new private in WorkBench, and new instantiation in Workbench constructor ------------------------------------------------------------ revno: 12 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Sat 2016-06-18 10:16:40 -0500 message: GUI enhancements for colorizing. General updates. ------------------------------------------------------------ revno: 11 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-05-09 12:21:57 -0500 message: Updated letter frequency in analysis Added reverse function in Simple Updated bash script with small fixes Updated cryptoworkbench Links function with link to frequency analysis ------------------------------------------------------------ revno: 10 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Fri 2016-04-15 13:03:41 -0500 message: Syncing with new ciphers for Affine, Ubchi, Vignere, and Columnar Transposition. Analytics updated and general fixes included. Paradigm shift for cipher inheritance. ------------------------------------------------------------ revno: 9 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-02-10 15:36:37 -0600 message: Added new class for simple operations, like string to upper/lower and removing spaces. Updated with file reading and writing. Added brute-force for Caesarian ciphers. Updated substition and analysis for better options. Improved CLI ------------------------------------------------------------ revno: 8 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-02-01 13:44:20 -0600 message: Modified analysis to display doubled letters and notify of which letter is repeated when One-to-one query fails to find a one-to-one relationship ------------------------------------------------------------ revno: 7 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-28 10:03:40 -0600 message: Lots of minor fixes. ------------------------------------------------------------ revno: 6 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-20 09:29:54 -0600 message: Makefile had a small typo but it prevented installs. Worth a commit. ------------------------------------------------------------ revno: 5 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-01-19 13:12:12 -0600 message: Added one-to-one query to Analysis for checking if a substitution or rotation remains one-to-one and to acquire the key Moved bash script to ease tab-completion ------------------------------------------------------------ revno: 4 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-14 10:24:02 -0600 message: Renamed README to be consistent with other branches in repo. Added Caesarian functions Added analysis and substitution functions for letter substitution. ------------------------------------------------------------ revno: 3 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:41:05 -0600 message: Added install files ------------------------------------------------------------ revno: 2 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:30:10 -0600 message: Adding Makefile and source files. ------------------------------------------------------------ revno: 1 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 10:29:31 -0600 message: Initializing project tree and adding Readme.
2016-08-04 12:10:50 -05:00
public override String Encrypt(String workSpace,String inputText,String[] line) {
if (line == null || line.Length != 3) {
Console.Error.WriteLine("Malformed!");
return workSpace;
}
char[] changed = workSpace.ToCharArray();
try {
// line[2] is the key
int index = 0;
for (int i =0; i < line[2].Length; i++) {
if (!Char.IsLetter(line[2][i])) {
Console.Error.WriteLine("Keys must be only letters.");
return workSpace;
}
}
// For each letter in the workspace, substitute with an offset given by the key. Rotate which letter in the key is used.
Converting from Bazaar Old Log: ------------------------------------------------------------ revno: 16 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Sun 2016-07-10 20:22:37 -0500 message: Some fixes for regex, captive shells, analysis ------------------------------------------------------------ revno: 15 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:54:04 -0500 message: Adding captivecrypto.bash shell to go with ForceCommand ------------------------------------------------------------ revno: 14 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:38:21 -0500 message: Updating ------------------------------------------------------------ revno: 13 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-07-05 13:20:34 -0500 message: Adding inline regex lookup Updating ciphers to use standard constructor -- now ciphers can be added from new class, new private in WorkBench, and new instantiation in Workbench constructor ------------------------------------------------------------ revno: 12 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Sat 2016-06-18 10:16:40 -0500 message: GUI enhancements for colorizing. General updates. ------------------------------------------------------------ revno: 11 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-05-09 12:21:57 -0500 message: Updated letter frequency in analysis Added reverse function in Simple Updated bash script with small fixes Updated cryptoworkbench Links function with link to frequency analysis ------------------------------------------------------------ revno: 10 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Fri 2016-04-15 13:03:41 -0500 message: Syncing with new ciphers for Affine, Ubchi, Vignere, and Columnar Transposition. Analytics updated and general fixes included. Paradigm shift for cipher inheritance. ------------------------------------------------------------ revno: 9 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-02-10 15:36:37 -0600 message: Added new class for simple operations, like string to upper/lower and removing spaces. Updated with file reading and writing. Added brute-force for Caesarian ciphers. Updated substition and analysis for better options. Improved CLI ------------------------------------------------------------ revno: 8 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-02-01 13:44:20 -0600 message: Modified analysis to display doubled letters and notify of which letter is repeated when One-to-one query fails to find a one-to-one relationship ------------------------------------------------------------ revno: 7 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-28 10:03:40 -0600 message: Lots of minor fixes. ------------------------------------------------------------ revno: 6 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-20 09:29:54 -0600 message: Makefile had a small typo but it prevented installs. Worth a commit. ------------------------------------------------------------ revno: 5 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-01-19 13:12:12 -0600 message: Added one-to-one query to Analysis for checking if a substitution or rotation remains one-to-one and to acquire the key Moved bash script to ease tab-completion ------------------------------------------------------------ revno: 4 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-14 10:24:02 -0600 message: Renamed README to be consistent with other branches in repo. Added Caesarian functions Added analysis and substitution functions for letter substitution. ------------------------------------------------------------ revno: 3 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:41:05 -0600 message: Added install files ------------------------------------------------------------ revno: 2 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:30:10 -0600 message: Adding Makefile and source files. ------------------------------------------------------------ revno: 1 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 10:29:31 -0600 message: Initializing project tree and adding Readme.
2016-08-04 12:10:50 -05:00
for (int i = 0; i < changed.Length; i++) {
if (Char.IsLetter(changed[i])) {
int baseC = (Char.IsUpper(changed[i])) ? (int)'A' : (int)'a';
int modC = (int)changed[i] - baseC;
int baseK = (Char.IsUpper(line[2][index])) ? (int)'A' : (int)'a';
int modK = (int)line[2][index] - baseK;
changed[i] = (char)(((modC+modK)%26)+baseC);
index = (index+1)%(line[2].Length);
}
}
} catch (Exception e) {
Console.Error.WriteLine(String.Format("Failed!\n{0}",e.Message));
return workSpace;
}
return new String(changed);
}
/// <summary>
/// Decrypt a string with the cipher. Like the encryption method, we decrypt by removing the offset as given by the key.
/// </summary>
/// <param name="workSpace">The working copy of the cipher</param>
/// <param name="inputText">The original cipher</param>
/// <param name="line">The user input</param>
/// <returns>The decrypted string</returns>
Converting from Bazaar Old Log: ------------------------------------------------------------ revno: 16 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Sun 2016-07-10 20:22:37 -0500 message: Some fixes for regex, captive shells, analysis ------------------------------------------------------------ revno: 15 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:54:04 -0500 message: Adding captivecrypto.bash shell to go with ForceCommand ------------------------------------------------------------ revno: 14 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-07-07 13:38:21 -0500 message: Updating ------------------------------------------------------------ revno: 13 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-07-05 13:20:34 -0500 message: Adding inline regex lookup Updating ciphers to use standard constructor -- now ciphers can be added from new class, new private in WorkBench, and new instantiation in Workbench constructor ------------------------------------------------------------ revno: 12 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Sat 2016-06-18 10:16:40 -0500 message: GUI enhancements for colorizing. General updates. ------------------------------------------------------------ revno: 11 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-05-09 12:21:57 -0500 message: Updated letter frequency in analysis Added reverse function in Simple Updated bash script with small fixes Updated cryptoworkbench Links function with link to frequency analysis ------------------------------------------------------------ revno: 10 committer: dev <dev@aninix.net> branch nick: CryptoWorkbench timestamp: Fri 2016-04-15 13:03:41 -0500 message: Syncing with new ciphers for Affine, Ubchi, Vignere, and Columnar Transposition. Analytics updated and general fixes included. Paradigm shift for cipher inheritance. ------------------------------------------------------------ revno: 9 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-02-10 15:36:37 -0600 message: Added new class for simple operations, like string to upper/lower and removing spaces. Updated with file reading and writing. Added brute-force for Caesarian ciphers. Updated substition and analysis for better options. Improved CLI ------------------------------------------------------------ revno: 8 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Mon 2016-02-01 13:44:20 -0600 message: Modified analysis to display doubled letters and notify of which letter is repeated when One-to-one query fails to find a one-to-one relationship ------------------------------------------------------------ revno: 7 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-28 10:03:40 -0600 message: Lots of minor fixes. ------------------------------------------------------------ revno: 6 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-20 09:29:54 -0600 message: Makefile had a small typo but it prevented installs. Worth a commit. ------------------------------------------------------------ revno: 5 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Tue 2016-01-19 13:12:12 -0600 message: Added one-to-one query to Analysis for checking if a substitution or rotation remains one-to-one and to acquire the key Moved bash script to ease tab-completion ------------------------------------------------------------ revno: 4 committer: root <root@aninix.net> branch nick: CryptoWorkbench timestamp: Thu 2016-01-14 10:24:02 -0600 message: Renamed README to be consistent with other branches in repo. Added Caesarian functions Added analysis and substitution functions for letter substitution. ------------------------------------------------------------ revno: 3 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:41:05 -0600 message: Added install files ------------------------------------------------------------ revno: 2 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 16:30:10 -0600 message: Adding Makefile and source files. ------------------------------------------------------------ revno: 1 committer: cxford <cxford@aninix.net> branch nick: CryptoWorkbench timestamp: Wed 2016-01-13 10:29:31 -0600 message: Initializing project tree and adding Readme.
2016-08-04 12:10:50 -05:00
public override String Decrypt(String workSpace,String inputText,String[] line) {
if (line == null || line.Length != 3) {
Console.Error.WriteLine("Malformed!");
return workSpace;
}
char[] changed = workSpace.ToCharArray();
try {
// line[2] is the key
int index=0;
for (int i = 0; i < changed.Length; i++) {
if (Char.IsLetter(changed[i])) {
int baseC = (Char.IsUpper(changed[i])) ? (int)'A' : (int)'a';
int modC = (int)changed[i] - baseC;
int baseK = (Char.IsUpper(line[2][index])) ? (int)'A' : (int)'a';
int modK = (int)line[2][index] - baseK;
int modResult = (modC - modK)%26;
modResult = (modResult < 0) ? modResult+26 : modResult; // In case modResult is negative, add 26 back
changed[i] = (char)(modResult+baseC);
index = (index+1)%(line[2].Length);
}
}
} catch (Exception e) {
Console.Error.WriteLine(String.Format("Failed!\n{0}",e.Message));
return workSpace;
}
return new String(changed);
}
}
}