Tag: Cryptography

• How to Create Temporary Symmetric Keys

  

  2014-07-25 - Cryptography, General, Security, Temporary Objects

  Temporary symmetric keys in SQL Server behave similar to temp tables. In particular, they are stored in tempdb and automatically go away at the end of the session. Make sure however that you do not get caught creating a non-recreatable temporary symmetric key…

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• How to Create Two Identical Symmetric Keys

  

  2014-07-21 - Cryptography, General, Security

  SQL Server provides only one way to re-create a symmetric key multiple times. Read on to find out about the necessary extension to the CREATE SYMMETRIC KEY statement.

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• Debunking Symmetric Key Recreate-Ability

  

  2014-07-18 - Cryptography, General, Security, Security Misconceptions

  Do you think you can recreate a symmetric key that is protected by a certificate, by just using that same certificate? You might be in for a big surprise…

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• How to Crack the Symmetric Keys in the Database Wide Open

  

  2014-07-14 - Cryptography, DMVs & CVs, General, Security, Security, SQL Server Internals

  Did you always want to get to the root of symmetric key encryption in SQL Server and actually decrypt a protected symmetric key? In some circumstances this can actually be done. Find out how to do this now.

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• OPEN SYMMETRIC KEY – Avoid the NULL Ciphertext Trap

  

  2014-07-11 - Cryptography, General, Security, Security Pitfalls, T-SQL Statements

  Don’t get caught in this nasty trap that will cause all your encrypted data to be wiped out. Discover how to use the OPEN SYMMETRIC KEY statement correctly to protect yourself (and your data) from this ugly surprise.

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