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 Encryption of long text
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Posting Yak Master

225 Posts

Posted - 03/18/2013 :  11:22:55  Show Profile  Reply with Quote
Hi folks,

I'm looking for a bit of advice. I've got a field that contains some pretty long text entries that I would like to encrypt. The problem is that SQL Server functions such as EncryptByPassPhrase can only provide encrypted output of no longer than 8000 bytes, which would yield truncated outputs and corrupted data. Are there any world-class methods of encrypting text document data out there that anyone knows of? Thanks!!!

Flowing Fount of Yak Knowledge

4614 Posts

Posted - 03/18/2013 :  13:42:25  Show Profile  Reply with Quote
If you want to go over 8000 characters I think you need to go to a CLR sproc/function.

Here is a sample of how to do it:
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