Tag: symmetric key encryption

• You’ve been Hacked! [T-SQL Tuesday #63 – Security]

  

  2015-02-10 - Audit, Cryptography, General, Security, T-SQL Tuesday

  One Billion – The number of accounts affected by security breaches during the last ten years. Is the data of your customers safe with you?

  [more…]

• How to Encrypt a Column with a Passphrase

  

  2014-08-08 - Cryptography, General, Security

  If you are searching for a quick and dirty way to encrypt data in SQL Server, the ENCRYPTBYPASSPHRASE function might be just what you are looking for.

  [more…]

• Temporary Symmetric Key Conflicts

  

  2014-08-04 - Cryptography, General, Security, Temporary Objects

  Temporary symmetric keys are a great idea. However, SQL Server’s current implementation falls apart based on a requirement that makes them all but usable.

  [more…]

• The Unexpected Scope of Temporary Symmetric Keys

  

  2014-07-28 - Cryptography, General, Security, Temporary Objects

  If you think temporary symmetric keys and temporary tables have the same scope, you will be in for a surprise. Read on to discover the truth.

  [more…]

• 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…

  [more…]