Cryptography and Security

VC6VC7VC7.1VC8.0.NET2.0Win2KWinXPWin2003VistaC#2.0

Cryptography

Cryptographic Interoperability: Keys

5 Jun 2008

Jeffrey Walton

Import and export Cryptographic Keys in PKCS#8 and X.509 formats, using Crypto++, C#, and Java.

Authenticated Encryption

23 Mar 2009

Jeffrey Walton

Perform authenticated encryption with Crypto++.

VC6VC7VC7.1VC8.0WinXPWin2003VistaCArchitectDev

Chaos Based Encryption

8 Jan 2012

Simon Bridge

Generating encryption keys using Cellular Automata.

C#Windows.NETIntermediateEncryptionDecryption

Secure file exchange with .NET Crypto API

8 Jan 2013

orouit

This article presents a format to exchange encrypted documents and the C# code that can handle the encryption and the decryption of the data.

C#.NETDevIntermediate

Cryptographic Interoperability: Digital Signatures

20 Oct 2009

Jeffrey Walton

Sign and verify messages using Crypto++, Java, and C#.

VC7VC7.1VC8.0Win2KWinXPWin2003VistaC#2.0C#3.0C++

WinAES: A C++ AES Class

27 Mar 2009

Jeffrey Walton

Yet another C++ class wrapper for AES and Windows CAPI.

WinXPWin2003VistaEmbeddedC++Win32Win64DevBeginnerWin2008

Product Keys Based on the Advanced Encryption Standard (AES)

12 Jun 2007

Jeffrey Walton

A Compact Product Key System Based on AES and Crypto++

VS.NET2003C++WindowsDevIntermediate

The FileDigest program and the C++ implementation of some Message-Digest algorithms

3 Jan 2003

George Anescu

Presenting the C++ implementation of some known and efficient Message-Digest algorithms (MD, RIPEMD, SHA) and a full FileDigest program that is applying the mentioned algorithms.

VC6VC7Win2KWinXPMFCDevIntermediate

Image Cryptography using RSA Algorithm in C#

21 Apr 2014

SOHAM_GANDHI

Image cryptography using RSA algorithm in C#

C#Windows.NETWin64Visual-StudioArchitectDevBeginnerIntermediateAdvanced

Obtain the plain text session key using CryptoAPI

18 Jul 2012

Raphael Amorim

Generally it's very important to obtain the value of session keys. However, the Microsoft Cryptographic Providers (Base and Enhanced) do not support this feature. CryptExportKey() and CryptImportKey() require a valid key handle to encrypt and decrypt the session key, respectively.

VC6VC7Win2KWinXPMFCDevIntermediate

BlakeSharp - A C# Implementation of the BLAKE Hash Algorithm

20 Nov 2011

Dominik Reichl

A C# implementation of the BLAKE hash algorithm.

.NET2.0MonoC#2.0.NET3.0C#3.0.NET3.5Windows.NETCFDevIntermediate

Product Activation Based on RSA Signatures

6 Jun 2007

Jeffrey Walton

Validate Product Keys using RSA Signing Functions and Crypto++

VC6VC7VC7.1VS.NET2003VS2005WindowsDevIntermediate

Creating an Asymmetric/Symmetric Secure Stream without SSL

24 Oct 2009

Paulo Zemek

The article explains how to create a secure stream that uses asymmetric cryptography to connect and symmetric cryptography to continue without the need for SSL or Certificates

C#3.0.NET3.5C#.NETArchitectDevIntermediate

A C++ Implementation of the Blowfish Encryption/Decryption method

26 Sep 2001

George Anescu

An article presenting a C++ implementation of the Blowfish encryption/decryption method

C#Windows.NETMobileDevLinuxBeginnerIntermediateAndroid

Salted Challenge Response Authentication Mechanism (SCRAM) SHA-1

26 Mar 2014

Don Fizachi

A C# implementation of the SCRAM SHA-1 (RFC 5802) authentication protocol.

A simple C++ implementation of Elliptic Curve Cryptography

7 Jan 2008

Jarl Ostensen

A finite field EC and simple ECC scheme in C++ to help understand the principles.

VC7.1VC8.0Win2KWinXPWin2003VistaTabletPCEmbeddedC++Windows

A simple set of classes to encrypt data

4 Nov 2004

Rob Manderson

A simple set of classes to encrypt data

VC6Win2KWinXPWin2003MFCDevIntermediate

Tamper Aware and Self Healing Code

15 Nov 2007

Jeffrey Walton

Dynamically Detect Code Alterations and Repair In-Memory Executable Files Using Hashing and Crypto++

VC7VC7.1VC8.0Win2KWinXPWin2003VistaVS.NET2003VS2005Dev

Creating a secure channel

24 May 2008

Efi Merdler

The purpose of this article is to explain how a secure channel is built. The article will explain the structure of a Very Simple Secured Protocol (VSSP) that sits above the TCP/IP layer.

WinXPC#2.0C#WindowsDevIntermediateAdvanced

Applied Crypto++: Block Ciphers

6 Apr 2008

Jeffrey Walton

Encrypt data using Block Ciphers with Crypto++.

VC6VC7VC7.1VC8.0Win2KWinXPWin2003VistaTabletPCEmbedded

Neural Cryptography

29 Aug 2009

CyberTrone

This article presents a new cryptography algorithm based on neural networks. Here, you can find some theory and a demo project.

WindowsDevIntermediateAdvanced

A simple MFC class to encrypt data with the Crypto API

3 Jul 2007

Dave Kerr

An article showing how to use the Crypto API to make a simple MFC class that can encrypt and decrypt different types of data

C++WindowsVisual-StudioMFCDevIntermediate

Cryptography 101 for the .NET Framework

22 Dec 2006

Toby Emden

An introduction to key cryptographic concepts supported by the .NET Framework.

.NET2.0WinXPWin2003VistaVS2005VBDevBeginner

Implementation of Diffie-Hellman Algorithm of Key Exchange

2 Apr 2010

Apriorit Inc, Tatyana Khitrova

The article is devoted to the development of the library that implements the Diffie – Hellman cryptographic algorithm of key exchange.

C++Windows

Certificates to DB and Back

25 Feb 2011

Mario Majčica

Creating the X509 based on certificate and key in PEM format

C#.NETArchitectDevDesignIntermediatecryptography

Securing Data in .NET

28 Oct 2007

Murat Firat

Need to learn further on cryptology? This article takes an overview of common cryptosystems, along with a step by step description of the Data Encryption Standard and the Advanced Encryption Standard.

.NET2.0WinXPVistaVS2005C#2.0DevAdvancedWinForm

A C++ Implementation of the Rijndael Encryption/Decryption method

7 Nov 2002

George Anescu

An article presenting a C++ implementation of the Rijndael (AES) encryption/decryption method.

Hashing using the Win32 Crypto API

22 Jul 2005

Jessn

How to make hashing using the Win32 Crypto API.

VC6WinXPDevIntermediate

CMD5: A C++ Message Digest 5 Class

9 Jan 2001

Jim Howard

This C++ class serves as a wrapper for the Message Digest 5 code described in the Internet RFC 1321.

VC6VC7VC7.1VC8.0WinXPWin2003VistaC++Win32Win64

WinAESwithHMAC: A C++ AES/HMAC Class

30 Mar 2009

Jeffrey Walton

A C++ class providing encryption and authentication using Windows CAPI.

Applied OpenSSL: CTR Mode in File Encryption

22 Feb 2011

Apriorit Inc, Eugene Wineblat

In this article, the use of open source OpenSSL library for file and disk encryption is described

VS2008C++Visual-StudioDevIntermediateAdvancedEncryptionDecryption

Hiding a text file in a bmp file

26 Nov 2003

Adore C++

How to hide a text file in a bmp file

VC6Win2KWinXPMFCDevIntermediate

TEA Encryption/Decryption Made Simple

20 Dec 2008

Michael Pauli

Easy to use crypto class that uses TEA, XTEA and XXTEA standards

VC8.0WindowsMFCDevIntermediate

Neat License

20 Dec 2007

PTJA

An article on how to use a code-signing key to sign other data

.NET2.0C#2.0DevIntermediate

Encryption and compression, native and managed

29 Jun 2012

ErnestoNet

DLL for native encryption and compression (using Crypto++). Includes RSA Key Generator in C#, and encryption and compression in ASP.NET (C#).

C++C#ASP.NETWindows.NETDevIntermediate

Shared Key Generation using Diffie-Hellman

25 Mar 2008

Jonathan C Dickinson

Generate an encryption key between two parties and foil the eavesdropper

A Simple, Portable, Rinjdael (AES) Based Stream Cipher Class

5 Jul 2005

Douglas R. Keesler

A file encryption/decryption class with built in MD5 string and file hashing.

VC6Win2KWinXPMFCDevIntermediate

Diffie-Hellman Key Exchange Example

14 Nov 2008

Griffter UK

An example of how an encryption key can be shared by two users using the Diffie-Hellman key exchange approach.

VC7.1Win2KWinXPWin2003VS.NET2003MFCDevIntermediate

CHash 1.5 - An MFC hashing class

8 Aug 2005

.rich.w

An MFC implementation of hashing files and strings with CRC32, GOST-Hash, MD2, MD4, MD5, SHA-1 and SHA-2 (256/384/512).

VC6WindowsDevIntermediate

CryptBox

17 Feb 2013

Biswas, Sumit

CryptBox helps to encrypt and decrypt files using Password Based Encryption (PBE)

JavaWindowsDevLinuxIntermediate

Presentation of the XOR256 Encryption/Decryption method for the block ciphering case

8 Jun 2001

George Anescu

An article presenting a new block ciphering method called XOR256

VC6VC7VC7.1VC8.0DevIntermediate

Writing a C++ Program with the CAPICOM Component to Encrypt and Decrypt Files

1 May 2009

logicchild

How to use the CAPICOM component in C++ to encrypt and decrypt files.

C# FNV Hash

18 May 2009

Jasmin Muharemovic

A C# class for creating a custom sized FNV hash.

C#Windows.NETDevIntermediate

Encryption using the Win32 Crypto API

8 Sep 2005

Jessn

How to encrypt using the Win32 Crypto API.

VC6WinXPMFCDevIntermediate

CBBS: A Pseudo Random Number Generator

13 Jul 2007

Alexandre Ravey

A C++ class implementation of the pseudorandom number generator Blum Blum Shub (BBS)

C++WindowsVisual-StudioDevIntermediate

SpaceCrypto: A Simple Crypto++ Wrapper

20 Sep 2010

SpaceSoft

To simply encrypt\decrypt your data...

C++WindowsDevLinuxIntermediate

RC6 encryption and decryption

14 Jul 2002

Mingming Lu

RC6 is an evolutionary improvement of RC5, designed to meet the requirements of the Advanced Encryption Standard (AES).

VC6Win2KMFCDevIntermediate

Hide a file in a BMP file (Plus).

27 Nov 2003

Neil Xu

Hide a file in a BMP file: extended from the author Ahmed Osama's article.

VC6VC7VC7.1Win2KWinXPWin2003VS.NET2003MFCDevIntermediate

Message Digest Application

30 Mar 2004

Shinde Vikram V.

A program which generates the various Message Digests using only one Class, also including the different techniques for Base 64 Encoding And Decoding

VC6WindowsVisual-StudioDevIntermediate

ARACrypt - a crypto class

24 May 2002

Darroll Walsh

Extremely simple crypto class

VC6VC7Win2KWinXPVisual-StudioMFCDevIntermediate

Fortuna - A Cryptographically Secure Pseudo Random Number Generator

3 Mar 2004

citadel

A C++ component to generate cryptographically secure pseudo random numbers using the Fortuna Algorithm

VC7Win2KWinXPDevIntermediate

DES and Triple DES Implementation in VB.NET

28 Jan 2010

Ted Ehrich

A simple DES/Triple DES implementation in VB.NET that doesn't have instantiation overhead.

VB.NETCF.NETDevIntermediateVB.NET

SteganoPad - Steganographic Notepad

24 Dec 2008

nbugalia

Only the user can see the words on screen

VC6VC7VC7.1VC8.0Win2KWinXPWin2003VistaVS2005TabletPC

Extended Password Generator

20 Jun 2006

Eugene Podkopaev

The tool-at-hand of any system administrator to generate pronounceable and random passwords, secured against brute-force dictionary attacks.

VC7.1Win2KWinXPC++WindowsVisual-StudioMFCDevIntermediate

Using encryption in your server and embedded applications

24 Feb 2002

shanthu

Explains the encryption algorithm selection process.

VC6VC7Win2KWinXPVisual-StudioMFCDevIntermediate

Fast Simple Secure Encryption Routine

28 Jul 2002

Shrishail Rana

A simple secure algorithm that can be used in your programs

VC6VC7Win2KWinXPVisual-StudioMFCDevIntermediate

Spoofing the Wily Zip CRC

31 May 2003

mdgray

How Zip CRCs work and how to create a specific file CRC

VC6VC7WindowsVisual-StudioDevIntermediate

Use Windows Crypto API to calculate a MD5 string.

29 Aug 2002

Victor M. Valenzuela

Use Windows Crypto API to calculate a MD5 string.

VC6VC7Win2KWinXPMFCDevIntermediate

Registry Value Encryption and Decryption

25 Feb 2004

jithus

Simple classes to perform crypt and registry operations

VC6Win2KWinXPWin2003MFCDevIntermediate

Hex Encoder and Decoder using Crypto++

20 Nov 2000

Shaun Wilde

Encode binary data to and from hexadecimal format using the Crypto++ library

VC6Win2KVisual-StudioSTLDevIntermediate

A simple 32-bit block file encryption application

25 Jun 2007

defconomicron

Uses pseudo-random bit rotations and xor on 32-bit integer blocks to encrypt/decrypt files.

C++WindowsVisual-StudioDevIntermediate

File Encryption and Encrypted text embedding in an image

20 Sep 2003

Tahir Naeem

This is an encryption tool which encrypts all files and can embed the encrypted data in an image. For encryption three ciphers are used ASG, SG, RC4.

VC6Win2KWinXPWin2003MFCDevIntermediate

CSHADigest: A fast and single class implementation of SHA1 Digest algorithm

13 Mar 2005

AdrienP

A single class implementation of SHA1 Digest in Unix/Win - simple and fast.

VC6VC7.1VS.NET2003WindowsDevIntermediate

Using hashlib++ for easily creating cryptographic checksums such as SHA1 and MD5

22 Sep 2007

gripmaster

This short article explains how to create a cryptographic checksum (a hash) with the help of the hashlib++ library.

C++WindowsVisual-StudioMFCDevBeginner

The RC4 algorithm within a COM component

10 Jul 2005

Jessn

The RC4 algorithm within a COM component made with C++ and ATL.

VC6Win2KATLDevIntermediate

Railfence cipher encoder

2 Jan 2007

joejoeiscool

What it says on the tin.

C#Windows.NETVisual-StudioDevBeginner

C#Windows.NETDevIntermediate

.NET - Encryption

iSafePDF: The Open Source PDF Signature Tool

3 Jun 2010

Alaa-eddine KADDOURI

iSafePDF is an Open Source software to sign, timestamp, and encrypt PDF documents.

FIPS Encryption Algorithms and Implementation of AES in C# and SQL Server 2008

2 Oct 2013

Dnyaneshwar Pawar

Implementation of AES in C# and SQL Server 2008.

C#SQLDevIntermediateSQL-Server-2008

Encrypting a dataset using AES, including compression

3 Dec 2012

Mika Wendelius

Article describes how to encrypt a dataset using AES. Optionally the dataset is compressed before the encryption.

C#VBWindowsArchitectDevADO.NETDesignIntermediateVB.NET

Using Encrypted Files Without Decrypting To Disk

14 Jul 2014

Matthew Givens

Showing how to decrypt files in memory in order to maintain data security.

C#Windows.NETIntermediateVS2010EncryptionFileStream

An S/MIME Library for Sending Signed and Encrypted E-mail

15 Jul 2010

Pete Everett

Send signed and encrypted e-mail in accordance with RFC 2633

.NET3.5C#WindowsDevIntermediate

Using XML Digital Signatures for Application Licensing

23 Nov 2005

Heath Stewart

Use XML Digital Signatures for a request- and signing-based licensing mechanism for your applications.

.NET1.0.NET1.1Win2KWinXPWin2003C#DevIntermediate

Secret Key Encryption Demo

6 Jun 2013

Fernando E. Braz

This is an alternative for "Secret Key Encryption Demo"

.NET3.0VB9.0C#DevBeginnerIntermediate.NET4cryptography

Encrypting Communication between C# and PHP

11 Oct 2011

Scott Clayton

Set up encrypted secure communication between C# and PHP using the AES and RSA algorithms.

C#.NETDevPHPIntermediateAdvancedVS2010

Off-The-Record (OTR) Security Protocol

29 Apr 2014

Don Fizachi

A C# implementation of the OTR protocol.

MonoC#Windows.NETDevLinuxIntermediate.NET4.5

Encrypting Editor Notepad Replacement

28 Jul 2014

Frank T. Clark

A C# .NET 3.5 (Win7) Windows Forms Application with source code

C#DevIntermediateWin7VS2010Encryption

.NET Encryption Simplified

28 Jan 2007

wumpus1

A simple, string-oriented class for symmetric encryption, asymmetric encryption, and hashing.

.NET1.0.NET1.1.NET2.0VS.NET2003VS2005VBWindowsDevBeginner

Vernam encryption/decryption of files

27 Sep 2008

Günther M. FOIDL

Class for encrypting/decrypting files using a Vernam chipher.

C#2.0C#3.0C#Windows.NETDevIntermediate

Using RSA Public Key Encryption in a Shared Web Hosting Environment

19 Mar 2011

Paul Sanders (AlpineSoft)

This article provides a way to use RSA public key encryption in scripts running on a Web server hosted by a shared hosting company. It also demonstrates how to use RSA in .NET to solve the 'real world' problem of signing license codes so that they cannot be forged.

.NET1.1.NET2.0WinXPWin2003VistaIIS5.1IIS6VS.NET2003VS2005C#2.0

How To: Hash Data Using MD5 and SHA1

13 Aug 2009

Waleed Elkot

Sample application describing how to use the MD5 and SHA1 classes.

C#1.0C#2.0C#3.0.NETDevIntermediate

RSA Private Key Encryption

4 Feb 2012

Dudi Bedner

How to encrypt data using a private key in .NET.

C#1.0C#2.0C#3.0.NETDevIntermediate

XCrypt - Encryption and decryption class wrapper

24 Jun 2013

Vasudevan Deepak Kumar

This is an alternative for "XCrypt - Encryption and decryption class wrapper".

.NET1.0Win2KC#DevIntermediateAdvanced

PGP Encryption with C#

6 Jan 2013

David Rogers Dev

Encrypting and Decrypting Files with GnuPG

C#.NETDevIntermediateEncryptionDecryption

RFC3394 Key-wrapping Algorithm in C#

31 Oct 2008

ladenedge

An implementation of the RFC3394 AES key-wrapping algorithm.

.NET2.0MonoC#2.0C#XML.NETDevIntermediateAdvanced

Simple encrypting and decrypting data in C#

25 Dec 2003

DotNetThis

Well documented code showing how to do crypto in C# and the .NET framework.

.NET1.0.NET1.1C#WindowsVisual-StudioDevIntermediate

Encrypt/Decrypt Files in VB.NET (Using Rijndael)

4 Nov 2005

Thad Van den Bosch

How to encrypt and decrypt files using Rijndael.

C#Windows.NETDevWPFIntermediate

A .NET Encryption Library

26 Jun 2010

Dr. Song Li

This article introduces a .NET encryption library and demonstrates how to use the library with a WPF application.

Public Key RSA Encryption in C# .NET

29 Jan 2007

Mathew John Schlabaugh

1024/2048 bit RSA cryptography in a "Notepad style" program.

.NET1.1WinXPWin2003VS.NET2003C#DevAdvanced

Simplified version of the DES (Data Encryption Standard) in C#

5 Jul 2010

Ismail JH

Implementing a simplified version of the DES block cipher algorithm – which was the standard encryption algorithm before the AES, using C# to encrypt and decrypt binary files.

.NET2.0C#2.0DevIntermediatesecurity

Exploiting MD5 collisions (in C#)

20 Sep 2005

ediazc

This article shows how the MD5 collisions can be used to tamper software distribution schemas.

.NET1.1VS.NET2003C#ASP.NETWindowsCEOArchitectDBADevQA

Password protecting IO streams

28 Aug 2006

Alex Perepletov

An article on protecting a stream with a password by means of symmetic encryption.

.NET2.0VS2005C#WindowsDevIntermediate

Encrypt and Decrypt Text with a Specified Key

4 Mar 2013

Shubham Choudhary

This software allows you to encrypt and decrypt text with a specified key.

C#2.0Windows.NETIntermediate

Simple String Encryption and Decryption with Source Code

21 Feb 2008

Lovely M

Sample program for simple encryption and decryption of strings

A Tiger Hash Implementation for C#

10 Mar 2012

mastamac

A Tiger hash Implementation for C#, based on .NET's HashAlgorithm class.

.NET2.0C#.NETDevIntermediateAdvancedEncryptioncryptography

C# AES 256 bits Encryption Library with Salt

9 May 2014

adriancs

A C# universal AES Encryption Library.

C#IntermediateEncryption

Strong and Fast Data Encryption with the CAST-128 Algorithm

27 May 2006

Andrey Dryazgov

An effective implementation of the CAST-128 algorithm (ECB and CBC modes).

.NET1.1.NET2.0VS.NET2003VS2005C#VBWindowsDevIntermediateWinForm

Cryptor - Encrypt Files With Rijndael 256 bit

20 Jan 2006

kasik

A simple utility for encrypting files using 256 bit Rijndael (AES). Also, adds menu items to Windows Explorer's file context menu for easy access.

.NET cryptography library for files and strings

29 Dec 2005

HanreG

This is a VB.NET wrapper for the .NET framework cryptography classes (HashAlgorithm, SymmetricAlgorithm) for working with strings and files.

C#AdvancedC#4.0Encryption

Fractal encryption algorithm

20 Jun 2012

Bruno Tabbia

Encription algorithm that uses mandelbrot fractal to expand the encryption key

XCrypt - encryption & decryption class wrapper

18 Aug 2003

pdwolf

1 alternative

A generic encryption & decryption class wrapper for C#.

.NET1.0Win2KC#DevIntermediate

Using Encryption in .NET

26 Jun 2009

logicchild

An article that describes the beginning steps to encryption using the .NET Framework.

C#1.0C#2.0C#3.0C#

Binary to Text Encode/Decode Class

9 Jun 2004

Frederico Daupias de Alcochete

A .NET class Library to handle the encoding/decoding of QuotedPrintable, UUEncode, Base64 and Yenc algorithms.

Windows.NETVisual-StudioCEOArchitectDBADevQAIntermediate

How To Use Rijndael to Encrypt Any File Easily?

2 Jul 2009

qxcjust

Encrypt any file easily

Good Bye MD5

20 Sep 2005

ediazc

The cracking of MD5 is making it useless?

Cryptography in .NET (part 1)

5 Mar 2003

Sameers.ME

Use the .NET Framework's Cryptography Classes to secure your data.

.NET1.0Win2KWinXPVBDevIntermediate

Don't touch my log, how to protect your XML data with Xml-DSig

1 Aug 2005

ediazc

Shows a simple class for digital signature generation and verificacion.

.NET1.1.NET2.0Win2KWinXPVS.NET2003VS2005C#XML.NETCFDev

An MD5 Function Compatible with PHP

14 Jul 2005

ediazc

Describes an implementation of a MD5 function compatible with the PHP function.

.NET1.1VS.NET2003C#ASP.NETWindowsArchitectDevPHPIntermediate

P2P Secure File, Encrypt and Decrypt Any File with Password

5 Apr 2008

Atanu Maity

Protect any file by encryption and decryption with password. It encrypts the file and saves as secure XML with binary format, and stores file password as custom PK encrypter routine.

.NET1.0.NET1.1.NET2.0Win2KWinXPWin2003Vista.NET3.0VB7.xVB8.0

Creating a Secure, Efficient Backup Client

19 Nov 2003

Steven Campbell

Describes some underlying concepts and techniques that are helpful when needing to copy data securely and efficiently.

.NET1.0.NET1.1C#WindowsVisual-StudioDevIntermediate

Automated File Decryption Using GnuPG and C#

11 Dec 2007

Kurt Mang

How To: Automate decryption of PGP / GnuPG encrypted files.

Win2KWinXPC#1.0C#2.0C#ASP.NETWindowsDevIntermediate

Cryptographically Strong Random Password Generation

1 Nov 2005

Wil Peck

An article on creating a simple, but robust cryptographically strong password generator.

VS2005C#2.0Windows.NETDevAdvanced

Data Compression and Data Encryption

10 Aug 2006

mohamed.elbatah

Data Compression and Data Encryption

Encryption/Decryption with .NET

14 Mar 2002

Frank Fang

A .NET SymmetricAlgorithm security class wrapper for in memory encryption/decryption with a private key

.NET1.0C#ASP.NETWindowsDevIntermediate

Secure Encryption For Data Storage with Key Re-use

22 Jul 2008

Tom Stone

Enhanced encryption algorthim for data storage (console app)

VC6VC7VC7.1VC8.0C++/CLIC

Secret Key Encryption Demo

25 Jul 2008

CS Rocks

This application demonstrates how to perform secret encryption using VB.NET and the .NET Framework 3.0.

.NET3.0VB9.0DevIntermediate

Secret Key Encryption in .NET

27 Nov 2004

Adnan Samuel

Implemnts secret key encryption.

.NET1.0.NET1.1VS.NET2003VBWindowsDevIntermediate

Learn the TripleDES encryption algorithm in a minute

23 Feb 2008

Imran A Momin

Triple Data Encryption Standard algorithms from which all TripleDES implementations must derive.

.NET2.0VB.NETDevIntermediate

Implementing Caesar Cipher in VB.NET

2 Nov 2006

Deobrat Singh

This article implements Caesar Cipher (shift by 3) in VB.NET.

.NET2.0VS2005VBWindowsDevIntermediate

Deriving Encryption Keys From Passwords

25 Jul 2005

ediazc

Show how to generate and store your keys for cryptography in safe mode

.NET1.1Win2KWinXPWin2003VS.NET2003VBCEOArchitectDBADev

Encrypt and sign data using PKCS #12 Certificates

12 Jun 2005

Adnan Samuel

Encrypt and sign data using PKCS #12 certificates.

Encrypt and Decrypt Data Using a Symmetric (Rijndael) Key

23 Aug 2007

cute-solutions

Encrypt and decrypt simple strings using the Rijndael algorithm.

.NET2.0VS2005C#WindowsDevIntermediate

Tiny Encryption Algorithm

18 Jul 2007

meibella

XTEA was designed by David Wheeler and Roger Needham of the Cambridge Computer Laboratory. This implementation is written in VB.NET, but the core algorithm is in C# (referred from http://www.codeproject.com/KB/windows/teaencryption.aspx).

.NET1.1VS.NET2003C#VBWindowsDevIntermediate

Experimental Crypt

30 Aug 2010

Jan Mojzis

Experimental crypt

C++C

All about Cryptography in .NET

20 Dec 2004

AtulMalhotra

Cryptography classes available in .NET.

.NET1.0.NET1.1Win2KWinXPWin2003IIS6C#ASP.NETVisual-StudioDev

A .NET MD5 Class Library

7 Mar 2006

Frazell

A MD5 class library for .NET supporting advanced features like random Salt values embedded in the MD5 hash.

.NET - Security

A Stegano-Framework for .NET Developers

2 Aug 2006

Corinna John

From tutorial snippets to open source project

C#.NETVisual-StudioIntermediateVS2010

Using a Smart Card Certificate with .NET Security in C#

5 Oct 2011

orouit

How to use smartcard certificates in your .NET application

Licensing .NET components with a PKI Token (Gemalto .NET Card) demystified

25 Oct 2011

orouit

This article demonstrates how to write a licensing provider for .NET licensing that gets licenses from a Gemalto .NET Card V2.

.NET2.0VS2008C#DevIntermediate

Claims-Based Authentication and Authorization

12 Sep 2013

David Rogers Dev

Authentication and Authorisation with MembershipReboot and Thinktecture.IdentityModel.45

C#ASP.NET.NETDevIntermediate.NET4.5

Steganography 20 - Generate Melody from Text

15 Jan 2011

Corinna John

Encode a text by sorting notes.

.NET2.0MonoC#WindowsDevLinuxBeginnerEncryptionDecryptionHumor

Steganography 16 - Hiding additional files in a ZIP archive

16 Apr 2006

Corinna John

How to zip and unzip files, avoiding the central directory.

.NET2.0VS2005C#WindowsDevBeginner

Copy Protection for Windows Applications

7 Sep 2009

Foolomon

Describes the implementation of a key registration, installation, and validation methodology for Windows applications.

C++Windows.NETArchitectDevCOMCOM+IntermediateAdvanced

Copy Protection for Windows Applications (Part 4)

21 Sep 2009

Foolomon

Describes the implementation of a key registration, installation, and validation methodology for Windows applications

C++C#Windows.NETArchitectDevCOMCOM+IntermediateAdvanced

Salted Password Hashing - Doing it Right

23 Jan 2014

adriancs, Taylor Hornby

Securing Password by Hashing with Salt

securityHashingpassword

An Anti-Reverse Engineering Guide

9 Nov 2008

Josh_Jackson

A look into what goes into the area of preventing reverse engineering, and gives developers some functions and ideas about preventing reversing engineering of their programs.

VC6VC7VC7.1VC8.0WinXPWin2003VistaVS.NET2003VS2005VS2008

Steganography IX - The Cross-Format Solution

29 Nov 2004

Corinna John

Merging the pieces into one application.

VS2005C++WindowsVisual-StudioDevIntermediate

Encrypted TCP Tunneling

5 Sep 2013

Graeme Douglas

Program for providing an encrypted TCP tunnel.

Steganography 15 - Hiding Digital Data in Music on Audio Cassettes

4 Jun 2005

Corinna John

How to hide data of any kind inside a sound, and keep it alive on an analog medium.

.NET2.0VS2005C#WindowsDevBeginner

Gnu Privacy Guard (GPG/PGP) for .NET [v1.0]

18 Sep 2003

Emmanuel Kartmann

This article provides a C# wrapper class (GnuPGWrapper) that will enable use of GnuPG (the OpenPGP Internet encryption standard) within a .NET application.

.NET1.0Win2KWinXPC#Visual-StudioDevAdvanced

Steganography 13 - Hiding Binary Data in HTML Documents

13 Mar 2008

Corinna John

Some ideas on how to hide binary data in text documents

.NET2.0VS2005C#WindowsDevBeginner

Steganography V - Hiding Messages in MIDI Songs

5 Aug 2004

Corinna John

An article about hiding bytes in the Program Change events of a MIDI file

.NET1.0.NET1.1C#WindowsVisual-StudioDevIntermediate

SharpPrivacy - OpenPGP for C#

7 Jun 2003

gek_at

SharpPrivacy is an OpenPGP implementation in C#. It can be used to encrypt and sign data, created OpenPGP compatible keys, and a lot more. This article explains how to use the library in your own .NET application or webpage to encrypt, sign, decrypt or verify OpenPGP messages.

How to make keyloggers life difficult

20 Jan 2013

M. Hudak

This secure textbox deceptive keyloggers

C#Windows.NETDevWebFormsBeginnerkeyloggerpassword

Digital Certificate Creator Tool

31 Mar 2013

anoopk01

This is a custom developed tool for generating a digital certificate.

.NET3.5C#WindowsIntermediate

Steganography IV - Reading and Writing AVI files

19 May 2004

Corinna John

An article about hiding bytes in the bitmap frames of uncompressed AVI files.

Win2KWinXPWin2003C#.NETVisual-StudioDevBeginner

Understanding .NET Code Access Security

14 Jan 2004

A full length article on .NET Code Access Security

Strong Names Explained

25 Nov 2004

Jan Seda (Skilldrive.com)

.NET Strong Name technology explained

.NET1.0.NET1.1VS.NET2003C#WindowsDevIntermediate

Secure Coding Technique: A Better C# Password Dialog Box

6 Aug 2003

Dana Epp

An article demonstrating a better Password Dialog box in C#

.NET1.0Win2KWinXPWin2003C#DevIntermediate

Basics of Signing and Verifying code

22 Feb 2012

Sergey Chepurin

How to sign code with digital signatures and associating them with files

C++WindowsIntermediate

Copy Protection for Windows Applications (Part 2)

10 Sep 2009

Foolomon

Describes the implementation of a key registration, installation, and validation methodology for Windows applications.

C++WindowsArchitectDevCOMCOM+IntermediateAdvanced

Anti-Reflector .NET Code Protection

26 Oct 2013

Igor Ladnik

Article presents a technique allowing developers to protect their .NET code from reverse engineering by reflection of executable files

C++C#COMIntermediate.NET4.5

Building Your Own Security Application with the Gemalto .NET Smart Card V2

8 Oct 2011

orouit

How to use a Gemalto .NET V2 smartcard to create security applications in .NET

.NET2.0VS2008C#.NETAdvanced

A CBC Stream Cipher in C# (With wrappers for two open source AES implementations in C# and C)

4 Jul 2004

vcepa

An article on .NET cryptography

Steganography II - multiple key and carrier files

3 Apr 2004

Corinna John

An article about spreading hidden data over many images.

.NET1.1.NET2.0VS2005C#WindowsDevBeginner

Steganography 14 - What Text Lists, GIF Images, and HTML Pages have in common

22 Jan 2005

Corinna John

A simple way to hide binary data in any kind of list

Simple Password Manager Using System.Security

29 Sep 2006

Stefan Prodan

Password Manager is a System.Security usage example using SecureString and SymmetricAlgorithms.

.NET2.0Win2KWinXPWin2003VS2005C#2.0DevIntermediateWinForm

Steganography 12 - Regions with different data density

12 Jul 2006

Corinna John

Define regions inside an image to keep smooth colours free from hidden data.

.NET1.0.NET1.1.NET2.0VS.NET2003VS2005C#WindowsGDI+DevBeginner

How to Programmatically add IP Addresses to IIS's Deny Access List using C# and WMI

31 Jul 2003

Scott Burgett

An article that shows the basic steps to programmatically adding an IP address to the IIS deny access list.

.NET1.1Win2KWinXPC#Visual-StudioDevBeginner

Insight into Security Model using Principal and Identity Objects in .NET

9 Oct 2003

* Sandeep Alur

This article introduces the concept behind Principal and Indentity objects in .NET and proposes a security model adopting these objects in a .NET application.

.NET1.0Win2KWinXPVBDevIntermediate

Steganography 11- Indexed Images and their Palettes

25 Jun 2004

Corinna John

Hiding data of any kind in indexed Bitmaps like PNG and GIF.

.NET1.0C#WindowsGDI+DevBeginner

Introduction Into Windows Anti-Debugging

18 Sep 2008

Josh_Jackson

A brief introduction into Windows anti-debugging techniques.

VC6VC7VC7.1VC8.0Win2KWinXPWin2003VistaVS.NET2003VS2005

Generic SymmetricAlgorithm Helper

15 Nov 2007

Tony Selke

A generic helper class that exposes simplified Encrypt and Decrypt functionality for strings, byte arrays and streams for any SymmetricAlgorithm derivative (DES, RC2, Rijndael, TripleDES, etc.)

.NET2.0C#2.0WindowsVisual-StudioDevIntermediate

Using the G711 standard

28 Jul 2006

Marc Sweetgall

Implementing the G711 µ-law and a-law codecs in C#.

.NET2.0VS2005C#WindowsDevIntermediate

Copy Protection for Windows Applications (Part 3)

16 Sep 2009

Foolomon

Describes the implementation of a key registration, installation, and validation methodology for Windows applications

C++C#Windows.NETArchitectDevCOMCOM+IntermediateAdvanced

Secure Password Authentication Explained Simply

2 Apr 2014

Alaric Dailey

Simple code and explanations to enable secure password authentication.

C#.NETDevADO.NETIntermediate

Steganography - Hiding messages in the Noise of a Picture

12 Jul 2004

Corinna John

Hiding all kinds of data in the pixels of bitmaps.

RSA Encryption with .NET 2.0 Cryptography Services and Crypto++ Wrapped as a Managed C++ Class Library

17 Aug 2007

mmsinclair

Encrypt in .NET and decrypt in Crypto++, a cryptography newbie's journey.

.NET2.0C#2.0C++WindowsVisual-StudioDevAdvanced

File Encryption/Decryption with Hash Verification in C#

22 Oct 2004

Nathan Blomquist

This article describes how to use C# and the .NET Framework to encrypt/decrypt files, and use hash algorithms to verify that the decrypted file is valid.

.NET1.1Win2KWinXPVS.NET2003C#DevIntermediate

Client/Server Encryption plus extras

19 Aug 2005

Domenic

Shows how to implement an RSA encryption algorithm on a server and client environement, even through a web browser!

.NET1.1Win2KWinXPWin2003C#ASP.NETVisual-StudioDevIntermediate

Enigma emulator in C#

29 Apr 2011

adi_clepcea

This article shows the inner workings of the German Enigma machine used during the WWII, translated to C#.

.NET1.1Win2KWinXPVS.NET2003C#DevIntermediateWinForm

Public/Private Key Encrypted Messenger

17 Sep 2007

Michael Demeersseman

An article about creating a public/private key encrypted internet messenger

.NET2.0C#WindowsVisual-StudioDevIntermediate

CCryptoTokenizer

13 Nov 2003

raymond.fung, Norman Fung

CCryptoTokenizer

.NET1.0C#WindowsDevIntermediate

Implementing Protected Configuration With Windows Apps

29 Aug 2006

Hameer Saleem

How to use the ProtectedConfiguration API to protect sensitive information in your application’s configuration file.

.NET2.0Win2KVS2005C#XMLDevBeginnerWinForm

Protect your IM (Instant Messenger) conversations by encrypting them

19 Oct 2005

Silviu Gologan

Learn how to encrypt IM (Instant Messenger) conversations.

.NET2.0WinXPVS2005C#CEODevIntermediate

Phishing applications: Security threats regarding the SetParent function

10 Nov 2011

Yonghwi Kwon

This article explains how the SetParent function can be used to deceive users and incurs a catastrophe. Also, it suggests protection techniques against attacks presented here.

C++DevIntermediate

Steganography III - Change only one Bit per Pixel

3 Apr 2004

Corinna John

An article about hiding each byte of a message bit-by-bit in eight pixels.

.NET1.1VS.NET2003C#WindowsDevMSILAdvanced

Using CAPICOM in .NET for Digital Signatures with ASCII/UTF8 Content

26 Feb 2005

Fatih KIHTIR

Modifying CAPICOM Runtime Callable Wrapper (RCW) generated by TlbImp.exe to enable CAPICOM to process digital signatures with UTF8/ASCII content (mostly signed by Java).

Get info about local digital certificates with WSE 2.0 and .NET

27 Feb 2007

Orka

This article describes how to get information about digital certificates stored on your local machine. It also shows how to search certificates by name, and retrieve a certificate hash.

.NET1.1VS.NET2003VB7.xWindowsDevIntermediate

Building Security Awareness in .NET Assemblies : Part 2 - Learn to protect your .NET assemblies from being tampered

31 Oct 2004

Chua Wen Ching

Building Security Awareness in .NET Assemblies : Part 2 of 3

.NET1.0.NET1.1VS.NET2003VB6C#WindowsDevMSILBeginner

Steganography 18 - GPS Tracks and Waypoints

1 Aug 2009

Corinna John

Encode a message as waypoints in a GPX file.

.NET2.0C#2.0XMLDevBeginnerIntermediate

Steganography VI - Hiding messages in .NET Assemblies

22 Nov 2003

Corinna John

An article about hiding instructions at the end of methods in an .NET Assembly

.NET1.0C#WindowsDevIntermediate

Strategy to distribute secure database connection strings in an enterprise environment

29 Nov 2003

Sriram Chitturi

The article discusses a strategy to securely configure and administer a set of connection strings which can be maintained environment wise. It also talks about distributing this information securely in a huge environment to be used by authorized clients only.

.NET1.0.NET1.1VS.NET2003C++C#WindowsMFCDevIntermediate

Porting Java Public Key Hash to C# .NET

26 Oct 2004

Shaheryar Ch.

This tutorial is an effort to overcome problems faced by the developers who want to sign data using Java Key Store and want to verify it on .NET platform. The tutorial demonstrates how to export the Public Key using Java to .NET compatible Public Key (XML format).

Win2KWinXPWin2003C#Java SE.NETVisual-StudioDevIntermediate

A C# component to encode and decode yEnc data

12 Apr 2004

Steven Campbell

A fully tested component capable of encoding and decoding yEnc data.

.NET1.0.NET1.1VS.NET2003C#WindowsDevIntermediate

Building Security Awareness in .NET Assemblies : Part 1 - Learn to break a .NET Assembly

31 Oct 2004

Chua Wen Ching

Building Security Awareness in .NET Assemblies : Part 1 of 3

.NET1.0.NET1.1VS.NET2003VB6C#WindowsDevMSILBeginner

Cryptography in .NET

9 Oct 2002

Manuel Permuy

Cryptography in .NET using the Windows PKI

.NET1.0C#WindowsDevIntermediate

Common application data, virtualization, and access control lists

24 Jan 2008

Luigi Grilli, Michela Carriero - Lyra

Vista: what to do when storing common data is needed?

Win2KWinXPWin2003VistaWindowsDBADevIntermediateSysAdmin

Implementing Application Security with Client Application Services in VS2008

17 Jul 2008

Nowak Alexander

The ASP.NET provider framework for Membership, Role, and Profile functionality in .NET 3.5 is made available for non-ASP.NET consumers in the form of Client Application Services. This means that, for example, in a WinForms application, you can implement Forms Authentication as easy as in an ASP.NET

C#3.0VB9.0.NET3.5C#VB.NETDevIntermediateWinForm

.NET Code Protection Solutions Review

3 Sep 2013

michaelas

The article discusses .NET code protection methods.

C++Windows.NETVisual-StudioDevIntermediate

Steganography X - Tuning the Image Processing

29 Nov 2004

Corinna John

Unsafe pixel modification and bitmaps from the clipboard.

C#.NETDevIntermediatesecurityWinForm

WinForms - Using a custom principal with AspNetDb

1 Jun 2010

Dylan Morley

Describes how to use a custom principal implementation with the AspNetDb security database in a WinForms application.

Free PHP Encoder Application

4 Aug 2009

Sần Hải Quang

A free PHP encoder application.

Steganography VIII - Hiding Data in Wave Audio Files

9 Apr 2012

Corinna John

How to hide data of any kind inside a sound.

.NET1.0.NET1.1C#Windows.NETVisual-StudioDevIntermediate

Application Security in n-tier Application on Windows Server

13 Jul 2011

openpage

Security attacks risk are minimised by careful planning of application design. If the application is distributed in nature, the challenges becomes manyfold. This article will try to give one way of doing so.

WindowssecurityServer

Symmetric Cryptography and Hashing in C#

12 Aug 2004

Chidi Ezeukwu

An article on symmetric cryptography and hashing.

.NET1.0Win2KWinXPWin2003C#DevIntermediate

Tamper-proof and Obfuscate your Configuration Files

5 Jan 2009

Sunny Ahuwanya

How to prevent your configuration sections from unauthorized modification (includes a nifty configuration file editor)

C#.NETDevAdvanced

A small and elegant bruteforcing class

14 Dec 2006

Filip Waeytens

A class that returns all possible combinations of a given subset, without using recursion.

.NET2.0WinXPVS2005C#DevIntermediate

How to Generate (and Validate) CD-Keys for your Software

6 Aug 2012

dawmail333

An example of how to implement and validate non-personal CD-Keys (ideal for distribution on the back of CD cases)

VB7.xVB8.0VB9.0VB6VB.NETDevDesignIntermediateWinForm

Cryptography in C#

14 Apr 2004

Alex Getman

An article on cryptography in C#

Crack the Modified Caesar Cipher with Relative Frequency Letters

28 May 2005

Dragon Slayer

Crack the Modified Caesar Cipher using only relative frequency English letters.

.NET2.0Win2KWinXPWin2003VistaVS2005.NET3.0VB7.xVB8.0VB9.0

Protecting Your Software Using Simple Serial Number/Activation Key Pair

12 Aug 2008

Yasser M. Jaffal

This article guides you to simply, yet effectively, prevent your software customers from copying your product without your authorization. I admit it is not a top-security solution, and it will be easy to crack without protecting your compiled code, but it is just for conveying the idea.

Modifying ACEs on file and directory DACLs, using the Win32 API Security assembly

15 Nov 2006

rmortega77

Sample code for setting ACE on file and directory DACLs just as the OS does.

.NET1.0.NET1.1VS.NET2003VBWindowsDevAdvanced

Poly-Engine Crypt String

11 Jul 2004

Marcello Cantelmo

Hide (crypt) string with a polymorphic dynamic code ("game" with the class Stack!).

Crypto & Hashing Wrapper Classes

22 Mar 2004

Brad Vincent

Simple class wrappers that encapsulate all the built in .NET functionality of both the symmetric encryption classes and the hashing classes.

.NET1.1C#WindowsVisual-StudioDevIntermediate

Attaching a digital certificate (public key) to an HTTPS request

6 Aug 2008

Rehan Ahmad Abbasi

Posting data to HTTPS (a secure connection) URL from a Windows application (.NET) by attaching a digital certificate and getting the response back.

.NET2.0C#2.0C#Windows.NETDevIntermediate

Applied cryptography Part 2: a tool to encrypt files on your HDD

4 Jul 2004

Marcin Cuprjak

There is a lot of .NET cryptography articles but not many sample applications using it. This article (part 2) introduces an application to encrypt files on your hard disk to keep them secret and unreadable to others.

.NET1.0C#WindowsDevAdvanced

Steganography VII - Hiding more Text in .NET Assemblies

9 Apr 2004

Corinna John

Another article about hiding bytes at the end of methods in a .NET Assembly.

Building Security Awareness in .NET Assemblies : Part 3 - Learn to break Strong Name .NET Assemblies

31 Oct 2004

Chua Wen Ching

Building Security Awareness in .NET Assemblies : Part 3 of 3

VB6Windows.NETVisual-StudioDevMSILBeginner

The .NET Framework Security Model

28 Apr 2006

Alex Getman

An article on the .NET framework security model.

.NET1.0C#WindowsVisual-StudioDevBeginner

Developing a Secure Solution using Commerce Server 2002 and .NET

21 Apr 2004

Khalid A1

Developing a secure solution using Commerce Server 2002 and .NET.

Digital Signatures

11 Sep 2008

nimeshmca

Custom digital signatures using iTextSharp

C#2.0VS2008C#Windows.NETVisual-StudioDevIntermediate

Watch Dog

5 Sep 2007

Babak Ansari

Execute applications with a Windows Service and ensure its existance.

.NET2.0VS2005C#WindowsIISDevIntermediate

USB & CD/DVD Blocking: One Way to Keep Data Free of Theft

4 May 2011

Günter Bergmann

An example of blocking access to USB Memory and CD

C++Dev

Using authentication certificates to connect to web services with Windows form applications

8 May 2007

--==## Andy74 ##==--

How to use a certification to connect to an SSL channel and use a web service

Authorization Manager Access Component

11 Mar 2005

jqd2001

.NET Authorization using Windows Identity, X509 Certificate or ASP.NET Forms

.NET1.1Win2003VS.NET2003C#VBASP.NETDevIntermediate

Encrypting windows application connection strings

25 Apr 2007

Daniel Kuettel

This article shows a simply method of encrypting connection strings for windows applications

.NET2.0SQL2000SQL-server-2005VS2005C#2.0WindowsDBADevIntermediate

Applied Cryptography Part 1: Simple tool to enrcypt/decrypt e-mail messages

30 Jun 2004

Marcin Cuprjak

There is a lot of .NET cryptography articles but not many sample applications using it. This article (part 1) introduces an application that enables to send secure messages via email.

Find LastLogon Across All Windows Domain Controllers

14 Jun 2007

Dwight Johnson

Use the .Net Framework to find the lastLogon for every user across all domain controllers

.NET1.0.NET1.1.NET2.0VS.NET2003VS2005C#WindowsDevIntermediate

C# WEPkey generator

25 Jul 2004

Mark van den Broek

A Wepkey generator for protecting your wireless LAN.

Code Access Security from the perspective of the Developer and Administrator

18 Feb 2004

benjaminwootton

Looking at Code Access Security From the Perspective of the Developer and Administrator

.NET1.0.NET1.1WindowsDevIntermediate

PassWDCipher

4 Apr 2005

Thoughthopper

An article on password protection for applications that need them.

C#1.0C#2.0C#3.0C#.NETDevMSILAdvanced

Don’t rely on obfuscation

21 Feb 2008

Fady Anwar

An article demonstrating why you should not rely on obfuscation to protect your .NET applications.

Secutirty at your Hands: Encryption of Configuration file in Whidbey

3 Jul 2005

Nishith Pathak

Encryption of configuration file in Whidbey.

Windows.NETVisual-StudioDevIntermediate

Using CryptoStream in C#

19 Mar 2004

WillemM

This article explains how to use CryptoStream for simple on the fly cryptography.

Win2KWinXPWin2003C#.NETVisual-StudioDevIntermediate

Securing .NET Assemblies

21 Oct 2005

AtulMalhotra

Making .NET assemblies secure for an enterprise.

.NET1.0.NET1.1Win2KWinXPWin2003VS.NET2003C#DevIntermediateWinForm

Securing ADO.NET Connection Strings

25 Aug 2006

Levan Midodashvili

Some possible ways to encrypt and store connection strings in an ADO.NET application.

.NET2.0WinXPVS2005VBDevIntermediate

Combining Symmetric and Asymmetric Encryption

25 Oct 2004

larryjf

Describes symmetric and asymmetric encryption, then shows how to combine them.

VBWindows.NETVisual-StudioArchitectDBADevIntermediate

Securing Web Accounts

5 Oct 2003

Vasudevan Deepak Kumar

Here we would briefly see how to keep accounts (signups) in online websites in a more secure way.

.NET1.0.NET1.1Win2KWinXPWin2003C#VBASPASP.NETVisual-Studio

Ensuring Strong Passwords

10 Oct 2003

Vasudevan Deepak Kumar

In this article, we will discuss a very brief technique and an overall idea of how to keep passwords sufficiently strong, so that a brute force generation and hack attempt could be blocked easily.

.NET1.1Win2KWinXPWin2003C#VBASP.NETVisual-StudioDevIntermediate

Exploring Security in .NET - Part I

7 Jul 2005

razi bin rais

Exploring security features in .NET.

C#VBWindows.NETVisual-StudioDevIntermediate

Simple Password Manager with Google API validation

15 Apr 2013

Vasudevan Deepak Kumar

This is an alternative for "Simple Password Manager Using System.Security"

WinXPWin2003DevBeginnerIntermediateC#4.0Win7VS2010.NET4WinForm

Authentication to a phpbb based forum using C#

5 Apr 2008

gyllbert

Authentication to a phpbb based forum using C#.

Win2KWinXPWin2003VistaC#1.0C#2.0C#3.0DevPHPIntermediate

HTTPs using BizTalk 2009 HTTP adapter on Windows 2008 R2

9 Jul 2010

Ahmed Kahwaji

Use HTTPs in BizTalk 2009 on Windows 2008 R2

WindowsDevIntermediateWin2008-R2

Working with TrustedBSD in Mac OS X

7 Jul 2013

Alexander Stavonin

Little explanation of TrustedBSD framework usage on Mac OS X

CAdvanced

C#ASP.NETSQL.NETDBAQAIntermediateMySQLSysAdmin

General

Checksum Verification

22 Sep 2011

smoore4

Loop through all files in a folder/subfolders and run a checksum that is stored in a database. E-mail descrepancies and results.

RSA Library with Private Key Encryption in C#

15 Jul 2012

Arpan Jati

RSA encryption library with full OAEP padding and private key encryption support.

C#.NETArchitectIntermediateAdvancedVS2010cryptography

A C++ SHA1 and MD5 Implementation with CryptoAPI

20 Sep 2012

Marius Bancila

This article proposes a C++ implementation for computing hashes (SHA1, MD5, MD4 and MD2) on Windows with the Microsoft CryptoAPI library.

C++WindowsDevIntermediate

How to Read in Memory Code of .NET Application Protected with Anti-Reflector

5 Aug 2014

Igor Ladnik

Technique to obtain in memory code of running .NET application (even wrapped into unmanaged code for binary files anti-reflection) is presented and implemented with workable sample

C++C#Windows.NETCOMIntermediate

Bypassing Windows XP Logon Password using bootkit

5 May 2010

fhrdina

An article on Windows XP logon process modification

CWindowsASMBeginnerVirtualization

RSA License Protection

30 May 2011

Simon Bridge

Implementing License Protection using RSA

C#Windows.NETDevIntermediateWinForm

A Virtual ISO7816 SmartCard

10 Apr 2014

Fabio Ottavi

An implementatio of an ISO 7816 Virtual SmartCard

C#WindowsDevIntermediate

Create and Share (with a client app) a Random Encryption Key

5 Oct 2010

John Simmons / outlaw programmer

One way to create a completely random encryption key, and sharing it with a client application

.NET3.5C#ASP.NETWindows.NETDevIntermediateEncryptionAlgorithmsWinForm

OTP (One Time Password) Demystified

26 May 2013

orouit

This article shows how an OTP generator works.

C#Intermediatetimepassword

Security: It’s Getting Worse

1 Sep 2013

Espen Harlinn

Cyber warfare: It’s a brave new world

C#ASP.NETCEOArchitectDevDesignSysAdmin

Halibut: a secure communication stack for .NET/Mono

28 Feb 2013

Paul Stovell

Secure alternative to WCF. JSON-RPC meets SSL meets .NET and Mono.

MonoC#.NETIntermediatesecurity.NET4

Implementation of the Licensing System for a Software Product

5 Aug 2010

Apriorit Inc, Sergii Bratus

This article is devoted to the development of the key licensing system for the applications.

C++

Secure String Handling in Windows Applications

9 Mar 2014

R.selvam

This article explains about Strsafe, Secured C run time library (CRT) and safe STL functions.

WinXPVistaC++WindowsWin32STLDevIntermediateWin7

Encrypted code compiled at runtime

28 Jan 2013

Bruno Tabbia

Encrypt your C# classes and compile them during run-time (hiding their code in the exe file).

C#WindowsWin32Win64DevAdvancedC#4.0EncryptionDecryption

Secure Function Pointer and Callbacks in Windows Programming

4 May 2011

R.selvam

This article explains the usage of function pointer and callback in Windows application programming Interface (API).

WinXPVistaC++WindowsSTLDevIntermediateWin7

Huo Encryption / Decryption Assembly Program

20 Sep 2012

Palavos

x8086 assembly program that encrypts/decrypts text input from the keyboard by using basic assembly language ideas

WindowsASMIntermediateDOS

NTLM Hash Generator

13 Feb 2012

Mustafa Chelik

Calculates NTLM hash of given string in pure C/C++

C++CObjective-C

How to Access and Encrypt Your Files via Windows Forms

22 Apr 2010

logicchild

An article that demonstrates how to encrypt your directory files

Win2003VistaVS2005C#2.0C#3.0VS2008C#WindowsVisual-StudioDev

Crypt Library Demo

28 Jul 2014

Mihai MOGA

Learn the basics of Microsoft CryptoAPI Library

C++Windows.NETWin32HTMLBeginnerVS2010

K3YK4Y String Hasher

18 Aug 2008

trecool999

Advanced/Not-So Advanced string and password hash.

VB7.xVB8.0VB9.0VB6.NETVisual-StudioDevBeginnerIntermediate

Controlling Demo-Version Crack and Software Piracy Issue for Beginners - Part 1

20 Aug 2011

sk saini

This article has been written for small individual developers who really face demo crack problem before launching their application.

BeginnerAll-Topics

PL/I Tutorial – An example of basic Encryption

26 Nov 2012

Palavos

A tutorial of PL/I basic concepts based on an encryption example

DevBeginnerEncryptionDecryptionIBM