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NHibernate 4.x Cookbook - Second Edition by Jason Dentler, Alexander Zaytsev, Gunnar Liljas

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Creating an encrypted string type

In this age of identity theft, data security is more important than ever. Sensitive data such as credit card numbers should always be encrypted. In this recipe, we will show you how to use NHibernate to encrypt a single property.

How to do it…

  1. Create a new class library project named EncryptedStringExample.
  2. Install the NHibernate and log4net packages using the NuGet Package Manager Console by executing the following command:
    Install-Package NHibernate
    Install-Package log4net
    
  3. Add a new public interface named IEncryptor with the following three method definitions:
    public interface IEncryptor
    {
      string Encrypt(string plainText);
      string Decrypt(string encryptedText);
      string EncryptionKey { get; set; }
    }
  4. Create an implementation ...

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