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String Encryption With Visual Basic .NET


In this article Brian Patterson will cover some of the encryption classes provided in the .NET Framework. Once you have got a grasp on how to use these algorithms, he will wrap things up with a sample order application that will encrypt credit card information before saving it to either a SQL Server or Oracle database server.

Author Info:
By: Wrox Team
Rating: 4 stars4 stars4 stars4 stars4 stars / 282
November 14, 2002
TABLE OF CONTENTS:
  1. · String Encryption With Visual Basic .NET
  2. · Encryption and the .NET Framework
  3. · Encryption and Byte Arrays
  4. · Building the Encryption Class
  5. · Creating the Database
  6. · Decrypting the Order Data
  7. · Conclusion

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String Encryption With Visual Basic .NET - Conclusion
(Page 7 of 7 )

The class provided in the previous example can be used to encrypt sensitive information before committing it to a database or merely a text file. With very few modifications this wrapper class can be modified to use DES, RC2 or a different .NET cryptographic provider. Not only are the methods I've described very easy to use, but they provide you with a powerful tool for ensuring that your private data remains private.

Cryptography References
To learn more about cryptography and the various algorithms, I would highly suggest visiting the CounterPane web site. CounterPane is a security consulting firm that deals with a great deal of cryptography. The President of CounterPane also authored a book called Applied Cryptography, which describes many algorithms in detail as well as providing C source code to the algorithms.

The use of public key cryptography has many benefits and though we didn't cover it here, you may want to read more about it at the following websites.
DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

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