Decrypting Password Of SysxLogins Table - SQL Database.

Dec 15, 2005

Hi,

    Is there any way of decrypting password value stored in sysxlogins table of SQL database?

Thx in Adv

 

 

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Decrypting The Password.....

Sep 8, 2007

I have a SQL Server Login and I forgot the password for it.
Is there any way I can decrypt the password. I don't want to
change the password.

Thanks
Venu

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What Is The Quivalent Of Sysxlogins Table In Sql S

Jan 16, 2007

Hi All Gentleman,
I am writing a script to control rights and privileges regarding roles and login .
I have upgraded my server from sql server 2000 to 2005.I have a script which gives me all the logins that moved from sql server 2000 to sql server 2005 (i.e same instance)or on same server.I have multiple database say for example 5 database.Now my task is to grant all programmers login to programmer role and all logins belonging to this role should be granted only select permission on table on all the databases.
Can anyone help me with the script for my task?
I have observed that sysxlogins table exist in sql server 2000 however it does not exist in sql server 2005.
Can anyone tell me what is the equivalent of sysxlogins system table in sqlserver 2005?

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Sysxlogins Table And Null Names

Apr 26, 2006

Hi all,

running sql server 2000 sp4, viewing the sysxlogins table data, and am wondering about the three items listed with a <NULL> in the name column, all xstatus = 192, each has a unique srvid value of 0, 2 or 3.

Looking in the MS tables reference book did not help they don't cover sysxlogins, googled around but no luck, searched this forum also.

What are these entries?

Thx

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Decrypting A Table Encrypted With EncryptByKey?

Jan 18, 2012

i have a ms sql base which contains tables encrypted with EncryptByKey, who knows how to make me a script do save the encrypted tables to clear text pm me in ym : hgfrfv or msn : [URL], i have all the keys used on encryption and all those stuff.

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DECRYPTING A Column Permanently With Table UPDATE

Mar 17, 2008

In SQL 2005, I've created a test scenario in AdventureWorks where I:

1.) Create a database master key:

IF NOT EXISTS (SELECT * FROM sys.symmetric_keys WHERE symmetric_key_id = 101)
CREATE MASTER KEY ENCRYPTION BY PASSWORD = '<password>'

GO

2.) Create a certificate:

CREATE CERTIFICATE HRCert
WITH SUBJECT = 'Comments'
GO

3.) Create a symmetric key:

CREATE SYMMETRIC KEY CommentKey
WITH ALGORITHM = DES
ENCRYPTION BY CERTIFICATE HRCert
GO

4.) Add a test column to the HumanResources.JobCandidate table:

ALTER TABLE HumanResources.JobCandidate
ADD Comments varbinary(8000)
GO

5.) Open the symmetric key for use:

OPEN SYMMETRIC KEY CommentKey
DECRYPTION BY CERTIFICATE HRCert
GO

6.) Insert and Encrypt values ('Yes') to the newly created column:

UPDATE HumanResources.JobCandidate
SET Comments = EncryptByKey(Key_GUID('CommentKey'), 'Yes')
GO

-------


Great. Now all the textbooks say that, to view the column values in a decrypted state, you should:

SELECT CONVERT(varchar, DecryptByKey(Comments)) AS [Decrypted Comments], *
FROM HumanResources.JobCandidate


------

Great, I get it. But here's the rub. What is the best way to permanently decrypt the column and keep it in a cleartext state?

Running the following works, but keeps the column values in a varbinary (hexadecimal) state which is what we originally created:

UPDATE HumanResources.JobCandidate
SET Comments = DecryptByKey(Comments)
GO

But if I want to transform this varbinary(8000) column into a human-readable varchar column, the only thing I could come up with was a temp table solution:

UPDATE HumanResources.JobCandidate
SET Comments = DecryptByKey(Comments)
GO

DECLARE @temp varchar(1000)
SET @temp = (SELECT TOP 1 CommentsFROM Human Resources.JobCandidate)

CREATE TABLE #decrypt (Comment varchar(1000))
INSERT INTO #decrypt (Comments) VALUES (@temp)
GO

ALTER TABLE HumanResources.JobCandidate
ALTER COLUMN Comments varchar(1000)
GO

UPDATE HumanResources.JobCandidate
SET Comments = (SELECT Comments FROM #decrypt)
GO

DROP TABLE #decrypt
GO

--------

It works, but seems so inelegant to me.

Is there an easier way?

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SQL 2012 :: Decrypting Encrypted Fields From Another Database

May 5, 2015

I am executing a stored procedure in one database (Database1) that pulls data from another database (Database2) that is the back end for a third party application. Some of the fields in that other database are now encrypted. I need to decrypt those fields but since the query is running in a database other than where the data lives (which is also where the symmetric key + cert lives), I am getting the following error: "Cannot find the symmetric key" Below is an example of what I am running in the stored procedure:

OPEN SYMMETRIC KEY [XXXXKey] DECRYPTION
BY CERTIFICATE [XXXX_CERT];
select CONVERT(Varchar(50), DECRYPTBYKEY( <ENCRYPTED FIELD> ))
FROM Database2.dbo.TABLE1
CLOSE SYMMETRIC KEY [XXXXKey];

What do I need to add to Database1 so the stored procedure can decrypt the data it pulls from Database2?

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DecryptByPassPhrase Not Decrypting Varchar Columns After Copying A Database

Jan 18, 2007

I have an encrypted column of data that is encrypted by a passphrase. The passphrase was encrypted by a symetric key in a key pair. The passphrase also is stored in a table. I can get the passphrase as needed to encrypt/decrypt the columns. I copied the production database to a new database for development. Subsequently I had to create a new symmetric/asymmetic key pair and recreated my passphrase with the new key pair. Now the passphrase will decrypt a text column but it will not decrypt two other columns which are of type varchar in the database. Here is an example:

DECLARE @pss varchar(30)
EXEC [dbo].[uspPassPhraseGet] @pss OUTPUT

SELECT DISTINCT contactid, uissueid, createdby, created_dt
,CONVERT(varchar(max),DecryptByPassPhrase(@pss, CONVERT(varchar(max),dbo.tbl_msg_app_legislativeinquiry.title), 1, CONVERT(varbinary, 23))) as title
,CONVERT(varchar(max),DecryptByPassPhrase(@pss, CONVERT(varchar(max),dbo.tbl_msg_app_legislativeinquiry.description), 1, CONVERT(varbinary, 23))) as description
,CONVERT(varchar(max),DecryptByPassPhrase(@pss, CONVERT(varchar(max),dbo.tbl_msg_app_legislativeinquiry.shortdesc), 1, CONVERT(varbinary, 23))) as shortdesc,
closed_dt, confidential, statusid, due_dt, deleted_dt,deletedbyid, highrisk, dbo.tbl_msg_app_legislativeinquiry.designator, dbo.tbl_ref_sys_status.description AS statusdesc
FROM dbo.tbl_msg_app_legislativeinquiry INNER JOIN
dbo.tbl_ref_sys_status ON statusid = dbo.tbl_ref_sys_status.ustatusid INNER JOIN
dbo.tbl_gbl_lkp_security ON uissueid = dbo.tbl_gbl_lkp_security.msgid AND
dbo.tbl_msg_app_legislativeinquiry.designator = dbo.tbl_gbl_lkp_security.designator

Like I said I can execute the uspPassPhraseGet stored procedure and I get my passphrase. It will correctly decrypt the dbo.tbl_msg_app_legislativeinquiry.description field which is great but the other two fields will not decrypt. When i copied the database over the encrypted fields do not display the same on the new database. The old database shows a box character followed by a bunch of junk (as expected). The new copied table on the new database shows only a single box (not the same as the original). Is there a known bug with copying a table with varchar fields that are encrypted to a new database? I tried to run a test and got the same result. I also tried to convert the varchar columns to text to see if that solved the problem and it didn't. The description field however is a text type column and it reads exactly as the original. The problem I think is that the Copy Database didn't actually copy my data correctly. How can I get the original encrypted data from the production into my development. I also tried just dropping the table and reimporting the table but that didnt take either. Scratching my head on this one.

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Synchronize The Sysxlogins Between Two SQL2000 Servers

Feb 18, 2002

Hi,

I have tried to synchronize master..sysxlogins table from production server to
a testing server. All the databases in the testing server will be loaded from the production server. In order to save drop and recreate the database's users in every database restore, I have tried to find out a quick way to synchronize the sysxlogins table. However, when I load the sysxlogins from the production server onto the tempdb in the testing server, I get the following error :

Server: Msg 213, Level 16, State 5, Line 1
Insert Error: Column name or number of supplied values does not match table definition.

Any comment and suggestion is highly appreciated.
Thanks


The table structures (output of sp_help) of the temporary table and master..sysxlogins are as follows :

1. sp_help testjoe4

Name Owner Type Created_datetime
-------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------- ------------------------------- ---------------------------
testjoe4 dbo user table 2002-02-19 15:27:31.930



Column_name Type Computed Length Prec Scale Nullable TrimTrailingBlanks FixedLenNullInSource Collation
-------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------- ----------------------------------- ----------- ----- ----- ----------------------------------- ----------------------------------- ----------------------------------- --------------------------------------------------------------------------------------------------------------------------------
srvid smallint no 2 5 0 yes (n/a) (n/a) NULL
sid varbinary no 85 yes no no NULL
xstatus smallint no 2 5 0 no (n/a) (n/a) NULL
xdate1 datetime no 8 no (n/a) (n/a) NULL
xdate2 datetime no 8 no (n/a) (n/a) NULL
name sysname no 256 yes (n/a) (n/a) SQL_Latin1_General_Pref_CP1_CI_AS
password varbinary no 256 yes no no NULL
dbid smallint no 2 5 0 no (n/a) (n/a) NULL
language sysname no 256 yes (n/a) (n/a) SQL_Latin1_General_Pref_CP1_CI_AS
isrpcinmap smallint no 2 5 0 yes (n/a) (n/a) NULL
ishqoutmap smallint no 2 5 0 yes (n/a) (n/a) NULL
selfoutmap smallint no 2 5 0 yes (n/a) (n/a) NULL


Identity Seed Increment Not For Replication
-------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------- ---------------------------------------- -------------------
No identity column defined. NULL NULL NULL


RowGuidCol
--------------------------------------------------------------------------------------------------------------------------------
No rowguidcol column defined.


Data_located_on_filegroup
--------------------------------------------------------------------------------------------------------------------------------
PRIMARY


The object does not have any indexes.

No constraints have been defined for this object.

No foreign keys reference this table.
No views with schema binding reference this table.


2. sp_help master..sysxlogins

Name Owner Type Created_datetime
-------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------- ------------------------------- ---------------------------
sysxlogins dbo system table 2000-08-06 01:29:12.500



Column_name Type Computed Length Prec Scale Nullable TrimTrailingBlanks FixedLenNullInSource Collation
-------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------- ----------------------------------- ----------- ----- ----- ----------------------------------- ----------------------------------- ----------------------------------- --------------------------------------------------------------------------------------------------------------------------------
srvid smallint no 2 5 0 yes (n/a) (n/a) NULL
sid varbinary no 85 yes no no NULL
xstatus smallint no 2 5 0 no (n/a) (n/a) NULL
xdate1 datetime no 8 no (n/a) (n/a) NULL
xdate2 datetime no 8 no (n/a) (n/a) NULL
name sysname no 256 yes (n/a) (n/a) SQL_Latin1_General_Pref_CP1_CI_AS
password varbinary no 256 yes no no NULL
dbid smallint no 2 5 0 no (n/a) (n/a) NULL
language sysname no 256 yes (n/a) (n/a) SQL_Latin1_General_Pref_CP1_CI_AS
isrpcinmap smallint yes 2 5 0 yes (n/a) (n/a) NULL
ishqoutmap smallint yes 2 5 0 yes (n/a) (n/a) NULL
selfoutmap smallint yes 2 5 0 yes (n/a) (n/a) NULL


Identity Seed Increment Not For Replication
-------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------- ---------------------------------------- -------------------
No identity column defined. NULL NULL NULL


RowGuidCol
--------------------------------------------------------------------------------------------------------------------------------
No rowguidcol column defined.


Data_located_on_filegroup
--------------------------------------------------------------------------------------------------------------------------------
PRIMARY


index_name index_description index_keys
-------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ncsysxlogins nonclustered located on PRIMARY srvid, sid
sysxlogins clustered, unique located on PRIMARY srvid, name, sid


No constraints have been defined for this object.

No foreign keys reference this table.
Table is referenced by views
--------------------------------------------------------------------------------------------------------------------------------

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Modifying Sysxlogins Domain Names In SQL2000, Strange Result..

Jul 20, 2005

It seens that a simple script:Update sysxlogins set name = 'AA001' + substring(name, 9, LEN(name)-8)where name like 'ILLINOIS%'Will replace the SQL2000 domain name correctly in sysxlogins:ILLINOISJonesP becomes AA001JonesPBut for some strange reason via ILLINOISJonesP can still logon viaQueryAnalyzer although he is no longer in the sysxlogins tableanymore? SQL has been stop/started, server even rebooted, yet BOTHthe new and old logins seem to both allow QA login, any thought howthe old one is getting thru SQL security?thanks in advance for any help...

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Decrypting Data

Jun 14, 2006

Hi there,

I am having a table in Sql which has 2 columns which has data in encrypted format. It shows data in junk format (ascii format). But in frontend (tht is in software)it shows data in proper format. Can any one help me in decrypting data.

Thanks,

Regards,


mystical

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Encrypting And Decrypting Data

Dec 22, 2006

CREATE TABLE TabEncr (
id int identity (1,1),
NonEncrField varchar(30),
EncrField varchar(30)
)

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'OurSecretPassword'
CREATE CERTIFICATE my_cert with subject = 'Some Certificate'
CREATE SYMMETRIC KEY my_key with algorithm = triple_des encryption by certificate my_cert

OPEN SYMMETRIC KEY my_key DECRYPTION BY CERTIFICATE my_cert
INSERT INTO TabEncr (NonEncrField,EncrField)
VALUES ('Some Plain Value',encryptbykey(key_guid('my_key'),'Some Plain Value'))
CLOSE SYMMETRIC KEY my_key

OPEN SYMMETRIC KEY my_key DECRYPTION BY CERTIFICATE my_cert
SELECT NonEncrField,CONVERT(VARCHAR(30),DecryptByKey(EncrField))
FROM dbo.TabEncr
CLOSE SYMMETRIC KEY my_key

What is the problem with this code. It works fine , inserting the value encrypted but when i try to decrypt ,it returns a null value. What is missing. I also tried with symmetric key encryption with asymmetric key. Result is same, returns NULL value. I am using SQL 2005

Happy Coding...

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Mar 31, 2006

Hi!

I want to encrypt a whole column in my table and I do this with this SQL code:

OPEN symmetric key Sym_Key DECRYPTION BY certificate My_Cert
GO

UPDATE [My_demo].[dbo].[My-DemoList]
SET [Test_crypt] = encryptByKey(Key_GUID('Sym_Key'),[Test])
GO

CLOSE all symmetric keys

GO

And this seems ok but when I want to decrypt it with the view I have created it seems that I get a "rubbish" character between each "real" character.

So my questions is: What am I doing wrong?

Because if I do an insert like this

OPEN symmetric key Sym_Key DECRYPTION BY certificate My_Cert
GO

INSERT INTO [My-DemoList] (Test_crypt) VALUES(encryptByKey(Key_GUID('Sym_Key'),'1234567'))

GO

CLOSE all symmetric keys

And then use my view to look at the decrypted value that I put in its ok.

Many thanks in advance!

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Decrypting Returns A NULL Value

Apr 26, 2007













I find it weird when decrypting a column from a baked up database and restoring it to another database. Here's the scenario:

Server1 has Database1.
Database1 has Table1 with two columns encyrpted -- Card Number and SS Number
Encryption and decryption in this Database1 is perfectly fine. Records are encrypted and can be decrypted too.
Now, I tried to backup this Database1 and restore it to another server with SQL 2005 instance called Server2. Of course the columns Card and SS Numbers were encrypted. I tried decrypting the columns using the same command to decrypt in Database1, however, it returns a NULL value


Here's exactly what I did to create the encyprtion and decryption keys on the restored database:
-- Create the master key encryption
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'myMasterPassword'

-- Create a symetric key
CREATE SYMMETRIC KEY myKey WITH ALGORITHM = DES
ENCRYPTION BY Password='myPassword';
Go

-- Create Card Certificate
CREATE CERTIFICATE myCert WITH SUBJECT = 'My Certificate on this Server';
GO

-- Change symmetric key
OPEN SYMMETRIC KEY myKey DECRYPTION BY PASSWORD = 'myPassword';

-- I then verified if the key is opened
SELECT * FROM sys.openkeys




If I create a new database, say Database2 from that Server2, create table, master key, certificate, and symmetric key. Encrpytion and decryption on Database2 will work!




Any suggestions gurus? I tried all searches and help for almost 2 weeks regarding this issue but nobody could resolve this.

Thanks in advance!



faiga16



3 Posts

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Oct 2, 2007

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select @encryptedstuff = 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Each row of the OLE DB Source contains a varbinary column with the ecrypted data. I need to to transform that one column and end up with a new record set that contains all of the columns from the OLE DB Source plus a new decrypted column.

Thanks,

Steve

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I have following problem. I would like to provide to my STP encrypted data and decrypt them inside it. To decrypt the data I'd like to use DecryptByKey. Encryption should be made on the Win32/.NET client.



Unfortunately I cannot find the way to make the data understable between the both worlds. First how to assign the same key on the both side? Do I get the same key from




Code Snippet

create symmetric key MyKey with

algorithm=triple_des,

key_source='abrakadabra'

encryption by password='aaa'



and from




Code Snippet

string Key = "abrakadabra";

byte[] bKey = Encoding.ASCII.GetBytes(Key);

byte[] salt = new byte[8];



RNGCryptoServiceProvider rnd = new RNGCryptoServiceProvider();

rnd.GetBytes(salt);

PasswordDeriveBytes pdb = new PasswordDeriveBytes(bKey, salt);



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prov.GenerateIV();

prov.Key = pdb.CryptDeriveKey("TripleDES", "SHA1", 168, prov.IV);

???

I have read somewhere that create symmetric key calls CryptDeriveKey, but I'm not sure.



The next point is the format of the output data. I have noted, that the output from EncryptByKey is 16 bytes longer (after stripping key guid and fixed 0x01000000) than the one from Win32/.NET application. I assume, that it can lie in the inserting of IV as the first block, but should not IV be only 64 bit long in the DES family of algorithms?



Neverthless I have not magaged to perform encrypted communication such way between SQL Server 2005 and client application. Is it possible at all?







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Code Snippet

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Code Snippet

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