Database Column Encryption
Jun 3, 2001
We are planning to store the pin number in a sqlserver table. This column has to be encrypted and stored in the database. As new records are added this column needs to encrypted automatically. Please advise me of any tools.
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Jan 16, 2008
I want to perform column level and database level encryption/decryption....
Does any body have that code written in C# or VB.NET for AES-128, AES-192, AES-256 algorithms...
I have got code for single string... but i want to encrypt/decrypt columns and sometimes the whole database...
Can anybody help me out...
If you have Store procedure in SQL for the same then also it ll do...
Thanks in advance
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Jul 20, 2005
How to encrypt a column in a table (i.e. which might contain passwords)?
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Nov 27, 2007
Hi,
I'm trying to encrypt an existing column in my Sql server 2005 Database. The column is a vachar field. How should i go bout with encrpting it without doing any changes in my application code. Neither changing the type of the column field to be encrypted.
Regards
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Mar 1, 2007
Hi,
Is there any possible way, that while I transferring a table from another table, I can specifically encrypt a column? Is there any step on how can I do this?
Need Help Badly
Thanks
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Dec 15, 2006
With SQL Server 2005 encryption:
1. Is it possible to encrypt a column "in place" - or do we always need to create a new varbinary column to hold the encrypted column? Some products (NetLib Encryptionizer) seem to be able to encrypt an existing column in place.
2.If you encrypt an existing column to a new varbinary column, it it customary to then ALTER the table and delete the existing plain-text column?
Thanks...
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Jun 23, 2004
Are there any UDf's or Xtended stored procs available in sql server 2k that can encrypt a column that has the CC #'s or do I need to purchase a 3rd party tool ?
thanks,
Dinakar
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Apr 17, 2001
Hi
There is a very sensitive table that holds a very sensitive field (i.e. a person's salary). I have a requirement to programmatically encrypt it when the value is stored (I can do that quite easily in the VB client app), but there are times when a suitably 'sa' user should be allowed to perform a SELECT of the table and to view the salary field in the clear.
I think a SQL2000 user-defined function can do the job. The catch is that the client is running SQL 7 and he will only upgrade 'over his dead body', or words to that effect.
Appreciate any ideas you can give!
Cheers & TIA
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Nov 26, 2015
Is there any way i could apply encryption on a varchar type column without changing its datatype to varbinary.
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Mar 29, 2007
I know that it is possible to encrypt data fields in SQL Server 2005, but I can't find anything about data encryption in the Compact Edition. Is this possible?
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Sep 3, 2014
I did tried the encryption on server "A" for database "AdventureWorks2012". Then I tried to restore to server "B". There was the certificate issue, and I thought "of course : it's encrypted ! Let's deactivate it". So here I go "ALTER DATABASE AdventureWorks2012 SET ENCYRPTION OFF".I look at sys.databases : not encrypted.I backup using no encryption, I verify using msdb.dbo.backupset : not encrypted.
I move my backup to my other server where encryption was never configured (so no certificate, nothing...), and I have the error :
Msg 33111, Level 16, State 3, Line 1
Cannot find server certificate with thumbprint '0xFA130E58C999C4919B8975999C83A75A403B11D8'.
Msg 3013, Level 16, State 1, Line 1
RESTORE DATABASE is terminating abnormally.
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Jun 17, 2015
I need to encrypt some column level data in multiple tables in SQL server 2014. I've never tried encryption in SQL server 2014. How can I achieve it?
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Jun 25, 2015
I am trying to implement the column encryption on one of the tables, have used the below link as the reference and got stuck at the last step.
[URL] ....
I have completed the following steps so far.
- CREATE MASTER KEY ENCRYPTION BY PASSWORD = ‘myStrongPassword’
- CREATE CERTIFICATE MyCertificateName
WITH SUBJECT = 'A label for this certificate'
- CREATE SYMMETRIC KEY MySymmetricKeyName WITH
IDENTITY_VALUE = 'a fairly secure name',
ALGORITHM = AES_256,
[Code] .....
Example by using the function
EXEC OpenKeys
-- Encrypting
SELECT Encrypt(myColumn) FROM myTable
-- Decrypting
SELECT Decrypt(myColumn) FROM myTable
When I ran the last command :
-- Decrypting
SELECT Decrypt(myColumn) FROM myTable
I get the following error :
Msg 257, Level 16, State 3, Line 2
Implicit conversion from data type nvarchar to varbinary is not allowed. Use the CONVERT function to run this query.
Where will I use the convert function, in decrypt function or in select statement?
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Oct 7, 2015
I have created two user defined functions for encryption and decryption using passphrase mechanism. When I call encryption function, each time I am getting the different values for the same input. While I searching a particular value, it takes long time to retrieve due to calling decryption function for each row.
best way to encrypt and decrypt using user defined functions.Below is the query which is taking long time.
SELECT ID FROM table WITH (NOLOCK)
WHERE dbo.DecodeFunction(column) = 'value'
When I try to use symetric or asymetric encryption, I am not able to put "OPEN SYMETRIC KEY" code in a function. So, I am using PassPhrase mechanism.
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May 11, 2015
I want to enforce a unique constraint on a column which must be encrypted in MSSQL 2005 using Cell Level Encyption (CLE).
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'itsaSECRET!!!3£3£3£!!!'
CREATE CERTIFICATE ERCERT WITH SUBJECT = 'A cert for use by procs'
CREATE SYMMETRIC KEY ERKEY
WITH ALGORITHM = AES_256
ENCRYPTION BY CERTIFICATE ERCERT
[Code] ....
The output makes it obvious why the constraint has 'not' been enforced.
Email
-------
1 | 0x00703529AF46D24BA863A3534260374E01000000328909B51BA44A49510F24DF31
C46F2E30977626D96617E2BD13D9115EB578852EEBAE326B8F3E2D422230478A29767C
2 | 0x00703529AF46D24BA863A3534260374E01000000773E06E1B53F2C57F97C54370FECBB45B
C8A154FEA5CEEB9B6BB1133305282328AAFAD65B9BDC595F0006474190F6482
3 | 0x00703529AF46D24BA863A3534260374E01000000C9EDB1C83B52E60598038D832D34
D75867AB0ABB23F9044B7EBC76832F22C432A867078D10974DC3717D6086D3031BDB
But, how do I work around this?
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Aug 2, 2007
Hi,
i am trying to encrypt my database using dbEncrypt software.The encryption provides role based access ot the database.In that case developer can not call any stored procedure of that database. These two are conflicting things. Can anyone suggest me a way so that i can access the stored procedure through my code by checking the roles from the front end. is it possible??
Please reply soon.
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Aug 1, 2007
Hi,
i want to encrypt my database(sql server2005) fully. Can anyone suggest me any third party tool or any other method.
Please its urgent.
Thanx in advance:(
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Aug 7, 2007
Hi,
I am trying to encrypt my database using some softwares, For that i have to install the software and encrypt database accordingly, i have a querry that will my database remain encrypted if i uninstall the encryption software??
The software i am using are dbEncrypt,Netlib,XP_Crypt,Rsa Bsafe.
Thanx
Divya
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Jul 20, 2005
is there a way to encrypt a propriatary database so that it may not betampered with except for those who hold the key?
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Jun 26, 2007
Hello I just want make sure: There is no encryption of the whole database.I assume this, because I have found only the themes "encryption for connections" and "encrypted columns"Why this question:
A lot of customer ask for this (maybe without further knowledge)
We've got a merge replication with offline laptops.
So, if one of this laptops get lost, it would calm people if the data were encrypted.I'd be very thankful for a fast reply, as my boss is in a meeting with such customers.Kind regardsAline
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Oct 26, 2006
Hi!
Could you help me how could I encrypt an SQL Express database with a password?
The lines I currently use:
ssconn.ConnectionString = "Data Source=.SQLEXPRESS;Integrated Security=True;"
CreateDatabase = "CREATE DATABASE i ON (NAME = i, FILENAME = '" & ssceconfilename & "')"
Dim myCommand As New SqlCommand(CreateDatabase, ssconn)
myCommand.ExecuteNonQuery()
I intend to encrypt the whole database structure so that nobody could see in.
I managed to do the encryption with SQL CE 2.0, but how to do it with express?
Thank you!
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Oct 26, 2006
Hi!
Could you help me how could I encrypt an SQL Express database with a password?
The lines I currently use:
ssconn.ConnectionString = "Data Source=.SQLEXPRESS;Integrated Security=True;"
CreateDatabase = "CREATE DATABASE i ON (NAME = i, FILENAME = '" & ssceconfilename & "')"
Dim myCommand As New SqlCommand(CreateDatabase, ssconn)
myCommand.ExecuteNonQuery()
I managed to do the encryption with SQL CE 2.0, but how to do it with express?
Thank you!
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Jul 15, 2015
I'm a newbie to SQL and I inherited a 2008 R2 Sql server with about 20 different databases on it. I've noticed that more than half of the databases are encrypted and I was looking to encrypt the rest but for some reason I am unable to do so. I'm assuming I already have a master key created but when I go to Options of the DB and change Encryption Enabled from False to True I get and error, "Cannot change database encryption state because no database encryption key is set." How I could use my existing key to encrypt the databases or would I have to create a separate key for each db?
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Jun 4, 2015
I'm currently learning how to implement Encryption into my SQL database, and I've run into something I don't know how to explain or understand. I'm working on creating a set encryption for a set of columns in a database, and I don't know how to figure out what size the VARBINARY column needs to be. After some trial and error, I've noticed that a clear text of 9 characters needs 68 varbinary characters, 100 cleartext=148 varbinary, and 254 cleartext= 308 varbinary characters. How is the minimum number of varbinary characters calculated?
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Jun 7, 2007
Hi,
I want to backup my database at regular intervals and encrypt it. Also I want to verify the back up. How do I do it?
I want the back ups to run every fortnight.
Thanks.
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Mar 14, 2006
Hi
Can anyone help?
I have a database using encryption with symmetric keys created using asymmetric keys.
I backed up this database and restored it on another machine along with the service master key.
I can read the encrypted data fine. But all the encrypted stored procs that are associated with the application that uses the data cannot read the data, they just return Nulls.
If I regenerate all the encrypted stored procs from script they work fine again.
Is there a way to restore the database without having to regenerate all the encrypted procs??
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Dec 20, 2000
Hi,
i need to know how to encrypt a field in the sql server database.
I want to hide some text field in a user defined table.
thanks in advance.
regards
mihir
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Mar 17, 2000
Hi,
Does anyone know how to encrpyt a field in a table created in SQL Server Database.
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Jan 16, 2008
Data encryption and database restores.
1. When using data encryption on a 2 node active/passive cluster does it make any difference which server the sqlserver is running on when encrypting or dcrypting data?
2. When restring a database to a different server with encrypted data is the data decrytable or is it lost?
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Oct 30, 2007
I would like to force only certain users on certain databases to use encrypted connections for accessing our 2005 SQL Server. I've found a clunky way to do it, via registering a login event notification and using the kill statement. However, that's ugly, and I don't think there is any guarantee that the event will always fire before an evil client could get off a few evil commands. Is this supported, or is the only supported feature the forceencryption option, which is server-wide?
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Sep 22, 2014
How can I create encryption on database ?. When I try to apply encryption on my database then it showing error message below....
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May 4, 2015
I have created mirroring... one of the column is encrypted on mirror database and I can see the decrypted result when I do query when I actually logged into server (through remote connection) but when I use the same query through using SSMS from my laptop the query result come as the column is not decrypted,
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Jun 16, 2006
My MS-SQL 2000 Database have 50 more Stored Procedure .How to FAST and EASY ENCRYPTION ALL Stored Procedure in my MS-SQLDatabase?
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