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  • Encrypt it in .NET/Decrypt it on SQL Server?

    A common question on the newsgroups is ''how do you encrypt data in a .NET [or other] client application and then decrypt it on SQL Server [or vice versa]?'' I actually ran down my list of answers to someone who asked this in the newsgroups a few weeks ago. I won’t get into the details, but the answers all pretty much say the same thing -- ...
    Posted to Michael Coles: Sergeant SQL (Weblog) by Mike C on January 29, 2010
  • No Backup For Asymmetric Keys

    The encryption features in SQL Server 2005 and 2008 provide the ability to create asymmetric encryption key pairs (RSA public/private key pairs) using the T-SQL CREATE ASYMMETRIC KEY statement. One feature that was left out, however, is the ability to backup and restore asymmetric key pairs generated on the server. Once an asymmetric key pair has ...
    Posted to Michael Coles: Sergeant SQL (Weblog) by Mike C on July 10, 2009
  • "Cloning" Symmetric Keys

    It's well-known by now that SQL Server 2005 and 2008 include new encryption-related statements that allow you to create and administer encryption keys. You can use CREATE CERTIFICATE to create or import a certificate or DROP ASYMMETRIC KEY to remove an asymmetric key from the database, for instance.  One of the interesting ommissions ...
    Posted to Michael Coles: Sergeant SQL (Weblog) by Mike C on June 17, 2009
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