Is There Any Way To Decrypt The Login Info?
May 19, 2006
Hi all.
The new feature of login encryption still tortured me and my company's fellow :(
We can't use the server's profile nor server's login audit functionality.
The reason is.. they do not want any additional feature to the server even if it's just a small task.
So..
I know that self signed certi generated whenever the MSSQL server started. My question is..
1. Where is that self-signed certification. Is it loaded to memory or physical hard disk.
2. Is there any special 'store' for this self-signed certification?
I tried to find this certi from all of my store using the certutil.exe but couldn't find this certi.
3. Is there any api that find and decrypt this login info?
Thank you.
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Dec 1, 2004
Hi,
I deleted standard sql login (a123) few days ago.
Since delete I see multiple login
fail for a123 in sql server log files
Is any way to get host name or application that trying to login using
a123
I did not now password for a123, so I can't restore it
Thank you
Alex
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Feb 14, 2003
I'm trying to use DTS to copy data from an Accounting system to a SQL table. A login is required by the proprietary ODBC driver to the database-which includes company, user name, password. Is there code that I can put in the DTS package to pass this to the database so it can run automatically?
Thanks.
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Jun 22, 2006
I want to be able to see the last login for every user, even if it was
before today in any user database combinedly listing all. Tried to query master..sysprocesses but the last_login or last_batch shows just for today. Can someone help with code or table query how to get this information. Auditors want to see when any user has last logged into any database. Any help is appreciated
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Sep 26, 2007
Hi
we have one 'application'-user in sysusers that makes the connect to SqlServer for all users, for example:
Application Login-User: Thomas
DB-Connect-User: AppUser
With this solution, in Activity-Monitor or with sp_who I don't know, what is the real name of the connected user.
Any possibility to change the login-information after the connect, so that i can see 'Thomas' in Activity-Monitor or with sp_who?
Thanks for your help.
Thomas
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May 7, 2007
I want to be able to see when records have been added to a table. The issue is we have a DTS job scheduled to run every night. The developer who wrote it password protected it and doesn't work here anymore. I want to add a step to this series of DTS jobs and want to run it just prior to his job. Is there a way to see when the records are being added or when this job is being run? Thanks again, you guys are the best.
ddave
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Oct 27, 2004
Hi,
Im getting this error when attempting to retrieve data from an sql database.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: Cannot open database requested in login 'projectAllocations'. Login fails. Login failed for user 'sa'.
Source Error:
Line 13: objConn = New SqlConnection( "Server=LAB303-066NETSDK; Database=projectAllocations; User ID=sa;Password=mypassword")
Line 14: objCmd = New SqlCommand("SELECT * FROM project_descriptions", objConn)
Line 15: objConn.Open()
Line 16: objRdr = objCmd.ExecuteReader()
Line 17: While objRdr.Read()
Source File: C:finalyearproject2sample.aspx Line: 15
Please Help!! Im a beginner to this, so if anyone knows the answer, take baby steps when explaining. Thanks
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Jul 27, 2005
Been looking through the forums for a solution to this problem.I already tried granting access through statements such as:exec sp_grantloginaccess N1'machineNameASPNET'But they don't seem to work.. i vaguely remember seeing somewhere a DOS command line statement that grants access to the ASPNET_WP and that fixed my problem before on another computer.. but this is a new computer and i forgot to write down the command.Can anyone help explain and propose a solution to my problem. Many thanxs.
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Dec 19, 2003
I am using the MSDE to connect to my ASP.NET application. I get this error after clicking the login button of my login page. Anyone know why this would happen?
Thanks for any help,
Cannot open database requested in login 'DataSQL'. Login fails. Login failed for user 'serverASPNET'.
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Jul 23, 2007
hi all,
i have this password column that i ve no idea how it's been encrypted... i need to come out with encrypt and decrypt function for this string :-
AE435A2BE08D1797362FF3CDD6E541AA6851819C
is it possible to decrypt this when i dont have the password string? if not possible then i will try to get the password string so that any experts here could help me to come out with the encryption and decryption function.
thanks guys
~~~Focus on problem, not solution ¯(º_o)/¯ ~~~
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Aug 29, 2007
Hi,
When I run the package it gives the following error warning.
Not sure how and where to fix this.
P.S. The package runs successfully and loads data but not sure why I get this error.
Thanks
Error: 2007-08-29 06:00:13.70
Code: 0xC0016016
Source:
Description: Failed to decrypt protected XML node "DTSassword" with error 0x8009000B "Key not valid for use in specified state.". You may not be authorized to access this information. This error occurs when there is a cryptographic error. Verify that
the correct key is available.
End Error
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Jul 22, 2002
Hi Guys.
I am looking for TSQL code for RC4 encryption and decryption.
I found VBcode for RC4 encryption, it will take atleast 2 days for me to go thru that and rewrite the whole code in SQL.
If anyone has the code, please provide me.
(I know sql does accept extended ASCII characters)
Thanks
-MAK
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Dec 12, 2005
Does anyone know how to decrypt a PGP encrypted file in a DTS routine?
Thanks.
Danielle
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Jan 8, 2008
Hi folks,
I'm trying to encrypt a small token of data on my client c# application and have it decrypted by SQL on the server side, the problem is i cannot find articles on the subject. I don;t really want to get involved with certificates but base the system on a simple symmetric key that is shared by both parties.
I'm attempting to use the TRIPLE_DES algorithm on both sides and thus far have used the decryptbypassphrase on the server side with the data encrypted on the client side by .Net with no initialization vector setup.
If anyone can recommend any articles or have example (client and server side) code for this situation it would be greatly appreciated.
Many thanks in advance
Simon
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Feb 29, 2008
Does anyone know what my .net app guys need to share with me if encryption was done in the .net app but decryption needs to occur in certain sql queries? I read about master keys, certificates, symmeteric keys, algorithms etc but dont know how that stuff would carry over from the framework into sql. All I know is that the algorithm is AES_256, they must be adding authentication to the encryption and i know the hash algorithm, and symmetric keys are involved. Will they be sharing certain kinds of files with me that need to be registered in the db? Will I have to use CLR if I want the two worlds to come together?
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Apr 12, 2001
Hi,
Please help!!!!!!!
Is there are ways to encrypt data in the table (SQL Server 7) and then retrieve (decrypt) this information?
Thanks
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Oct 4, 2000
does anyone know how to decrypt an encrypted stored procedure???
regards,
resh
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Aug 28, 2006
How to decrypt encrypted UDF in SQL 2000
can any body help me?
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Nov 16, 2004
We like to secure datas.
Only a few people are autorized to read this information, but today, these informations are readable with a simple query with a query analyzer for exemple.
I'd like to encrypt datas with reversible function in one field of a table
Is there a function able to do this kind of work in SQLServer V7 or 2000 ?
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Dec 9, 2004
How to decrypt encrypted procedure?Any help is thankful.
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Aug 3, 2006
hi guyz!! is it posible to ecnrypt data everytime i insert it to a table and decrypt it everytime I select it using the MS SQL 2005 alone?
like for example i have this query statement below
insert username,password users values ('daimous','my_password')
what i want is every time i insert a value to the password column that value should be encrypted first.
select username,password from users
everytime i select the value of the password column should decrypted.
Thanks in advance!!!
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May 21, 2008
hi,
how can i decrypt a stored procedure in sql server 2005?
THX
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Feb 5, 2007
hi,
in my login form i have the password field.so i am sending password to my database table but while sending password has to be encrypted and while returning it has to be decrypted,is it possible to do in database if means please show me some example please
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Jan 19, 2007
Hi... I want to encrypt data using a symmetric key + certificate, but it appears anyone with simply "db_datareader" can view the decrypted data? Is this correct?
Recreation steps:
1. As a System Admin, log into a SQL 2005 Database Engine.
2. Create some login that you also have access to. Ensure it does not already exist, or inherit any permissions from some existing NT-group. (From here on out, I will refer to it as the "underpriveleged user".)
3. Create a new database of any name.
4. Run the following query against the database:
CREATE TABLE [dbo].[MyTable](
[MyColumn] [varbinary](50) NULL
) ON [PRIMARY]
GO
CREATE USER [DOMAINUserName]
FOR LOGIN [DOMAINUserName] WITH DEFAULT_SCHEMA=[dbo]
sp_addrolemember 'db_owner', 'DOMAINUserName'
5. Now open another SSMS and connect as that underpriveleged user.
6. Change the database to the name you provided in Step 3.
7. Run these commands as the underpriveleged user...
CREATE MASTER KEY ENCRYPTION BY PASSWORD='DbMK_pwd'
CREATE CERTIFICATE MyCertificate WITH SUBJECT='Some Text'
CREATE SYMMETRIC KEY MyKeyName
WITH ALGORITHM = DESX
ENCRYPTION BY CERTIFICATE MyCertificate
OPEN SYMMETRIC KEY MyKeyName
DECRYPTION BY CERTIFICATE MyCertificate
INSERT INTO MyTable(MyColumn)
VALUES (EncryptByKey(Key_GUID('MyKeyName'), 'MyValue'))
SELECT Convert(varchar,DecryptByKey(MyColumn)) FROM MyTable
CLOSE SYMMETRIC KEY MyKeyName
8. Now switch back to the System Admin session, and revoke most of the underpriveleged account's permissions...
sp_droprolemember 'db_owner', 'DOMAINUserName'
GRANT SELECT ON dbo.MyTable TO [DOMAINUserName]
9. Switch once again to the underpriveleged session, and run the following:
OPEN SYMMETRIC KEY MyKeyName DECRYPTION BY CERTIFICATE MyCertificate
SELECT *, Convert(varchar,DecryptByKey(MyColumn)) FROM MyTable
CLOSE SYMMETRIC KEY MyKeyName
Why does this work? The user only has select access against the table, and no explicit permissions to the certificate or key. I have even disconnected as this user, tried again, restarted SQL Server... it is still able to decrypt the text.
Or what should I be doing to ensure only those with access to the key/certificate can decrypt the cipher text?
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Aug 8, 2006
I can sucessfully encrypt/ decrypt 1 column, but Im under the impression there is also a way to encrypt the data being sent over the network by using a certificate? I can find lots of info, but no starting point or clear cut instructions. Could someone please assist?
TIA, cfr
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Nov 28, 2006
I'm still having issues with this despite my attempts to resolve. I even
have "with exec as dbo" in my sproc, and and "exec as dbo" in my execution,
but still the encrypted data returns nulls when I exec as a user other than
DBO. Below is precisely what I have done. All ideas are welcomed.
TIA, ChrisR
--If there is no master key, create one now
IF NOT EXISTS
(SELECT * FROM sys.symmetric_keys WHERE symmetric_key_id = 101)
CREATE MASTER KEY ENCRYPTION BY
PASSWORD =
'23987hxJKL95QYV4369#ghf0%94467GRdkjuw54ie5y01478d Dkjdahflkujaslekjg5k3fd117
r$$#1946kcj$n44ncjhdlj'
GO
CREATE CERTIFICATE HumanResources037
WITH SUBJECT = 'Employee Social Security Numbers';
GO
CREATE SYMMETRIC KEY SSN_Key_01
WITH ALGORITHM = DES
ENCRYPTION BY CERTIFICATE HumanResources037;
GO
USE [AdventureWorks];
GO
-- Create a column in which to store the encrypted data
ALTER TABLE HumanResources.Employee
ADD EncryptedNationalIDNumber varbinary(128);
GO
-- Open the symmetric key with which to encrypt the data
OPEN SYMMETRIC KEY SSN_Key_01
DECRYPTION BY CERTIFICATE HumanResources037;
-- Encrypt the value in column NationalIDNumber with symmetric
-- key SSN_Key_01. Save the result in column EncryptedNationalIDNumber.
UPDATE HumanResources.Employee
SET EncryptedNationalIDNumber = EncryptByKey(Key_GUID('SSN_Key_01'),
NationalIDNumber);
GO
-- Verify the encryption.
-- First, open the symmetric key with which to decrypt the data
OPEN SYMMETRIC KEY SSN_Key_01
DECRYPTION BY CERTIFICATE HumanResources037;
GO
-- Now list the original ID, the encrypted ID, and the
-- decrypted ciphertext. If the decryption worked, the original
-- and the decrypted ID will match.
alter procedure getDecryptedIDNumber
with exec as owner
as
SELECT NationalIDNumber, EncryptedNationalIDNumber
AS "Encrypted ID Number",
CONVERT(nvarchar, DecryptByKey(EncryptedNationalIDNumber))
AS "Decrypted ID Number"
FROM HumanResources.Employee;
GO
/*works for me, shows the decrypted data*/
exec getDecryptedIDNumber
USE [master]
GO
CREATE LOGIN [test] WITH PASSWORD=N'test',
DEFAULT_DATABASE=[AdventureWorks], CHECK_EXPIRATION=OFF, CHECK_POLICY=OFF
GO
USE [AdventureWorks]
GO
CREATE USER [test] FOR LOGIN [test]
GO
use [AdventureWorks]
GO
GRANT EXECUTE ON [dbo].[getDecryptedIDNumber] TO [test]
GO
GRANT IMPERSONATE ON USER:: dbo TO test;
GO
/*Now, open up a "file/new/DB Engine Query" and login with the test login*/
exec as user = 'dbo'
exec getDecryptedIDNumber
/*This returns NULL values where it should show the decrypted data*/
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Jun 4, 2014
I have a set of Password data in a table which is encrypted e.g. UOTYoeUK8ae89IM6PKButX5ssew= , i was wondering how to decryted it so that it reveals the passwords.
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Jan 6, 2014
I submitted the following T-SQL:
--BACKUP CERTIFICATE EncryptTestCert
-- TO FILE = N'c:backupEncryptTestCert.cer'
-- WITH PRIVATE KEY
-- ( FILE = N'c:backupEncryptTestCert.pvk',
-- ENCRYPTION BY PASSWORD = N'T0yp0calypse'
-- )
[Code] .....
However, the return data just contains nulls, instead of the original decrypted data. You can see above that I deleted the certificate, but then restored the certificate from backup. However, it doesn't work.
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Jan 13, 2006
Hi there,
Using symmetric keys and certificates in SQL2005, can one assign users permission to only decrypt or encrypt data?
Reason would be say data capturer and data reader type roles. I tried to create some with the GRANT CONTROL and GRANT VIEW for certificates and definitions on Symmetric keys, but havent been to successfull.
Would be great if someone here can offer some advise on it, and if it's possible using SQL rights.
thanks
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May 7, 2006
I encrypt my procedures using with encryption clause, but I do not how to decrypt again.
Is there a command or utility for encrypt and decrypt in Sql 2000? How about Sql 2005?
Thanks
Haydee
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Jun 27, 2007
Hi,
I,ve been searching the forum for answers to this error but with no luck:
Failed to decrypt protected XML node "DTSassword" with error 0x80070002 "The system cannot find the file specified.". You may not be authorized to access this information. This error occurs when there is a cryptographic error. Verify that the correct key is available.
Setup:
I'm running the packages from the SQL Job Agent - the packages are stored in the file system. The agent is using a proxy account to get the right permissions. I know this because the job has run for severel weeks without errors. The package is calling other packages and is using configuration files. It was actually more than on job that failed (with the same error) - but not all the jobs.
Now it is saying that it can not "find the file specified" - what file would that be? - I'm wondering if it is a package file or a configuration file or maybe another file. It dosn't give me any other information to where the problem is.
Any help is appreciated!
Regards
Simon
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May 12, 2008
Hi All,
I am trying to run a job and when I run it I get the following error:
Description: Failed to decrypt protected XML node "PackagePassword" with error 0x8009000B "Key not valid for use in specified state.". You may not be authorized to access this information. This error occurs when there is a cryptographic error. Verify that the correct key is available. End Error Error: 2008-05-06 09:37:58.32 Code: 0xC0016016 Source: Description: Failed to decrypt protected XML node "SQLPassword" with error 0x8009000B "Key not valid for use in specified state.". You may not be authorized to access this information. This error occurs when there is a cryptographic error. Verify that the correct key is available.
I'm not sure what it means or why it is happening.
Any help would be appreciated.
Thank you.
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Apr 25, 2007
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=384472&SiteID=1
I suppose that some of the answer to my question may be found in that topic, but I haven't made much progress.
I have a text field in a SQL 2000 database that contains the text output (EncryptedData) from the EncryptedXML.Encrypt(xmlDoc.DocumentElement, certificate) method in .Net 2.0 (C#). The data looks something like this:
<?xml version="1.0" encoding="utf-8"?>
<EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element" xmlns="http://www.w3.org/2001/04/xmlenc#">
<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes256-cbc" />
<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#">
<EncryptedKey xmlns="http://www.w3.org/2001/04/xmlenc#">
<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-1_5" />
<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#">
<X509Data>
<X509Certificate>[A Bunch of jumbled characters]</X509Certificate>
</X509Data>
</KeyInfo>
<CipherData>
<CipherValue>[A Bunch of jumbled characters]</CipherValue>
</CipherData>
</EncryptedKey>
</KeyInfo>
<CipherData>
<CipherValue>[A Bunch of jumbled characters]</CipherValue>
</CipherData>
</EncryptedData>
I have since imported the Public and Private key from the .Net app into SQL Server. I can use the EncryptByCert and DecryptByCert functions to verify that the key pair is compatible. However, I can't figure out how to apply them to the encryptedXML that my friendly .Net developers are dumping in the DB. Whenever I use the DecryptByCert function on any of the "[A Bunch of jumbled characters]" strings I just get NULL.
Does anybody have some insight?
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