Question

SQL 2000 Encryption

Asked by: ram2098

Can we encrypt data in the SQL 2000 server? Are there any native functions for this? Where can we place the encryption key in a secured way? We have a SQL 2000 Server Database and we have to store the encrypted data. We can't implement the encryption through front end as we have two applications involved in this process, one application stores the data and one views the data. Please help. Any suggestions are welcomed.

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Asked On
2007-05-02 at 23:49:58ID22549607
Tags

sql

,

2000

,

encrypt

Topic

MS SQL Server

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: angelIIIPosted on 2007-05-03 at 00:01:14ID: 19021432

sql 2000 only has a function to encrypt, which can be used for passwords (and compare encrypted values), but no function to decrypt.
you will need to use third-party components to do that, ie do the encryption on the client site (to avoid that unencrypted data is send over the network anyhow)

 

by: MOA81Posted on 2007-05-03 at 01:52:07ID: 19021760

Dear ram2098

I agree with angelIII; I was facing the same issue regarding data encryption; well I don't know if you are familiar with .NET. but a good scenario would be:

- create binary fields in SQL for the data to be encrypted.

- use .NET to encrypt the data before reading and writing; this way you secure the data even from the backend (SQL) and even if you query the binary fields from SQL using cast functions the data will not mean anything since its not decrypted.

 

by: ram2098Posted on 2007-05-03 at 04:34:46ID: 19022300

Are there any reliable third party tools which suits for following scenario? We can't do the encryption in the front end as there are 2 applications and we lack control of one that reads the data (it uses a view to access the data). By somehow we have to encrypt the data given by one application and store it in the database and decrypt and pass the data to another application. Also since there are two applications please suggest a secured area where we can place the key and allow secured access only to these 2 applications.

 

by: MOA81Posted on 2007-05-03 at 04:44:24ID: 19022337

Hello ram2098

<suggest a secured area>
are we talking about securing the physical files?
will that help in your scenario?

 

by: angelIIIPosted on 2007-05-03 at 04:48:49ID: 19022355

I think you might consider to use encrypted traffic, and securing access to the data using DENY on the table/column except for those logins that have to be able to read it...

20120131-EE-VQP-002

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