Alok Ranjan's List: cryptography

• Replacing Sensitive Data Using the Data Masking Pack

• Federal Information
   Processing Standards Publication 186 
  
   1994 May 19
   Announcing the Standard for
• DIGITAL SIGNATURE STANDARD (DSS)

• What is a Digital Signature?
• What is a Digital Signature? An introduction to Digital Signatures, by David Youd

• C# Encryption Examples

• Java and .NET - AES Crypto Interop
• There are 999 different ways to connect Java applications to .NET applications,

• RC2 - 64 bits
  DES 64 bits
  3DES 192 bits
  AES 256 bits
  IDEA 128 bits
  CAST 128 bits (CAST256 uses 256 bits key)

• Cryptography in Microsoft .NET

   

  Microsoft.NET has classes that extend the cryptographic services provided by Windows CryptoAPI.

   

  System.Security.Cryptography namespace of Common Language runtime provides classes for 

   
   
  1. Symmetric Key Encryption  
  2. Asymmetric Key Encryption  
  3. Hashing   
  4. Digital Certificates  
  5. XML Signatures
• Symmetric Key Encryption in .NET:

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• Cryptography in .NET
• .NET and Cryptography

• So many algorithms!! I am confused.

   

  Here is a general guideline to help you decide when to use which method

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• Grypto-Grid Solution to digital signatures

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  Grid computing has become necessary with increase in need for computing power. Grid computing primarily allows us to delegate the processing to idle nodes. Several embarrassingly parallel applications which run poorly in uni-processor machines can be run on computational grids. Several middleware are available. Prominent ones for .NET 2.0 platform are Digipede and Alchemi.  
• using .NET in-built System.Cryptography

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• Cryptography in Asp.net
• What is Cryptography?
• Why Cryptography?
• Using System.Security.Cryptography;

• Cryptography provides the following features:

   
   
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    Prevents Data being transferred from reading by unknown persons and third parties.
     
  •  
    Prevents Data being transferred from unknown modifications.
     
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    Makes sure that data is coming from the proposed location.

• Types of Cryptography:

   

   

   

  Cryptography is several types. We can use cryptography in our applications in the following ways:

   
   
   
  1.  
     Symmetric Cryptography
      
  2.  
     Asymmetric Cryptography
      
  3.  
     Digital Signatures
      
  4.  
     Hashing

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• Protect sensitive data with .NET 2.0's SecureString class
• The .NET Framework includes cryptography functionality, but it is often overkill for smaller applications. Beginning with .NET Framework 2.0, the SecureString class is available to easily hold encrypted data in memory. Here are details about using the SecureString class.

• .NET Encryption Simplified
• Microsoft's .NET framework has robust support for encryption in the System.Security.Cryptography namespace. Everything you need to  perform encryption is available in that class, but it's difficult to understand  unless you have a firm grasp of cryptographic theory. Over the last four months,  I've struggled with the concepts and theory behind encrypting and decrypting  data. I've wrapped all my derived knowledge into a class I call  Encryption. This class is heavily documented, string oriented, and  most of all, simple! It's ideal for learning more about encryption.

• C# - Symmetric Encryption Class 

   

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      Here is a class that encapsulates symmetric encryption using the TripleDES algorithm:
   
   The module is written in C#, but as you know, you can interop with it from any .NET aware language.

• Cryptography in C# - Articles, Resources, Downloads, Blogs, Book Chapters, Tutorial, Source code