This article describes the security techniques required to create a secure offline password manager and how the Libsodium library has been used to achieve this. YAPM stores passwords with AES encryption and authenticates users with an Argon2 hash.

.NET

VS2013

WinForms

Dev

Overview of Azure Key Vault

10 Nov 2018 by DataBytzAI

What is Azure Key Vault and where is it useful?

InfoIP a tool to find your WAN IP

8 Sep 2014 by cogi83

A SW to send your WAN IP and other info via email

Decrypt SQL Server Objects

7 Dec 2016 by Kuv Patel

Decrypt Stored Procedures, Views, Functions, and Triggers in SQL Server

Data Encryption in Azure

8 Nov 2018 by DataBytzAI

Overview of encryption at rest, in motion and in use with Azure Encryption

AES Encrypted Data Transmission between Arduino (ESP32) and C# (ASP.NET)

19 Aug 2023 by adriancs

Communication between Arduino and C# (ASP.NET) by using AES encrypted HTTP GET request

Encrypting InfoPath form Data

3 Oct 2013 by Dragonranger

A neat library which can be used to easily add encryption for InfoPath form data.

InfoPath

encryption

OWASP #6 Preventing Sensitive Data Exposure in ASP.NET – Part 2

26 Feb 2016 by Max R McCarty

How are you storing that sensitive application data and should you be?

PL/I Tutorial – An example of basic Encryption

26 Nov 2012 by Palavos

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

Dev

IBM

encryption

Mule ESB + PGP: Pretty Good Privacy

22 May 2016 by RajeshKumar D

Configuring PGP Encryption and Decryption part of MULE ESB

Effective Data Handling: Compress and Encrypt with Tango Library

1 Jan 2019 by Serge Berlin

.NET Library for in-memory GZip and LZMA compression combined with strong BlakeB based stream cipher engine

Create Authenticated Encryption & Encrypt Your Data with AES256

30 Jun 2022 by raddevus

Fully working sample code and explanation of everything necessary to create authenticated encryption with AES256.

Steganography 20 - Generate Melody from Text

15 Jan 2011 by Corinna John

Encode a text by sorting notes.

WCF .NET 4.0 Console Hosted Json Rest Secure HTTP Web Service with Authentication and Roles

7 Dec 2011 by jeremylei

A RESTful web service using the newest .NET platform features including automatic serialization/deserialization of complex types.

PDF password recovery tool, The smart, the brute and the list.

19 May 2016 by Mohamed Kalmoua

In this article, I will discuss a PDF password recovery tool that I created in WPF using Visual Studio 2015.

PDF Merger and Protector

5 Oct 2012 by Sunasara Imdadhusen

PDF MERGER and PROTECTOR is the best pdf merger software which is fast and powerful way to join(Merge) PDF files with password protection as well as you can apply stamper with either any type of image or text. Using this utility you don’t required installation of Adobe Acrobat. Looks Exciting ???

Math Equation Parsing using Call Stacks

3 Apr 2014 by Chris Copeland

Using call stacks, rather than Regular Expression, to deconstruct mathematical formulae and calculate values.

Image Cryptography using RSA Algorithm in C#

21 Apr 2014 by SOHAM_GANDHI

Image cryptography using RSA algorithm in C#

WPF Secure Messenger

22 Nov 2013 by Baxter P

WPF Secure Messenger

BlakeSharp - A C# Implementation of the BLAKE Hash Algorithm

20 Nov 2011 by Dominik Reichl

A C# implementation of the BLAKE hash algorithm.

PGP Encryption with C#

6 Jan 2013 by David Rogers Dev

Encrypting and Decrypting Files with GnuPG

.NET

Dev

encryption

Android and .NET Encryption.

6 Oct 2014 by Pavel Durov

This article will explain briefly how to use a basic encryption/decryption on Android and on .NET platforms, with focus on passing encrypted data from Android to .NET.

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

5 Oct 2010 by #realJSOP

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

Creating an FTP Server in C# - with IPv6 Support

7 Oct 2013 by Rick Bassham

An introduction into creating a working FTP server in C# using the RFC specification.

Encrypting Communication between C# and PHP

11 Oct 2011 by Scott Clayton

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

Basic Authentication on a WCF REST Service

28 Feb 2011 by Patrick Kalkman

An assembly that adds Basic Authentication to an IIS hosted WCF REST service to validate against any back-end.

.NET Library to Easily Save Property Data

12 May 2014 by Brad Joss

[RegSave] your property to the Registry, and more.

Mixing .NET and Assembly Language in a standalone 64-bit exe

17 Oct 2011 by Jose A Pascoa

This article deals with building a standalone 64-bit .NET .exe file that is statically linked with an Assembly Language compiled object file.

ASP.NET web application security review: Do's & Don'ts

5 Aug 2014 by santosh poojari

This article helps you to build and enable robust web applications with respect to various aspects of security that needs to be taken care of while designing a system.

Strings Obfuscation System

15 Feb 2013 by Michael Haephrati

A string obfuscation system that integrates in a Visual Studio C++ solution

C++

encryption

Encrypting Editor Notepad Replacement

28 Jul 2014 by Frank T. Clark

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

Using Encrypted Files Without Decrypting To Disk

2 Sep 2014 by Matthew Givens

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

Encrypted code compiled at runtime

28 Jan 2013 by Bruno Tabbia

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

Chaos Based Encryption

8 Jan 2012 by Simon Bridge

Generating encryption keys using Cellular Automata.

.NET

Windows

encryption

C# AES 256 bits Encryption Library with Salt

9 May 2014 by adriancs

A C# universal AES Encryption Library.

VS2013

encryption

Private Folder Locker

26 Apr 2013 by Pieter Alec Myburgh

Folder Encrypted / Decrypter with standolone function

Encrypting Text in C# with this Simple M3 Algorithm, Text Encryption Made Easy

21 Jan 2017 by Michael_Jacobsen

Encryption algorithm based on key self-mutation. Complete source code and samples.

algorithm

cryptography

encryption

Applied OpenSSL: CTR Mode in File Encryption

22 Feb 2011 by Apriorit Inc, Eugene Wineblat

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

Swanky Encryption/Decryption in C#

26 Jan 2015 by 1337Architect

Handy classes to use the .NET Encryption/Decryption

Extending IDbConnection and getting help from Dapper for tedious tasks

31 Mar 2014 by Darek Danielewski

With a little help from C# Extensions and Dapper, it is easy to streamline coded database interaction, even with encrypted columns

Fractal encryption algorithm

20 Jun 2012 by Bruno Tabbia

Encription algorithm that uses mandelbrot fractal to expand the encryption key

C#4.0

encryption

Decrypting MD5 and SHA: Why You Can't Do It

20 Jun 2019 by OriginalGriff

I've seen quite a few questions asking how to decrypt SHA and MD5 to obtain the original input, mostly related to "encrypted passwords" and I thought I'd try to explain why the answer is "you can't".

WPF Features by a Navigation Control Example

13 Nov 2010 by Juergen Pott

This article demonstrates all the WPF features of binding, templating, styling, commands, etc. by a navigation example.