We help IT Professionals succeed at work.
Get Started

Under the Login Screen how to match the Encrypted password with the user input of txtPassword.txt Database SQL Server 2005. Front End VB.NET 2012

152 Views
Last Modified: 2016-09-21
We created EncryptPassword column to varbinary(256) under SQL Server 2005 Standard Edition SP1

Following are the code :

CREATE MASTER KEY ENCRYPTION
BY PASSWORD = 'BAuthority'
GO

CREATE CERTIFICATE EncryptTestCert
WITH SUBJECT = 'BAuthority'
GO

CREATE SYMMETRIC KEY TestTableKey
WITH ALGORITHM = TRIPLE_DES ENCRYPTION
BY CERTIFICATE EncryptTestCert
GO

ALTER TABLE MasterPassword
ADD EncryptPassword VARBINARY(256)
GO

Insert Into MasterPassword
(UserName, Password, UserLevel, EncryptPassword)
Values( 'sekar', 'sekar', 'L', EncryptByKey(KEY_GUID('TestTableKey'), 'sekar') )


OPEN SYMMETRIC KEY TestTableKey
DECRYPTION BY CERTIFICATE EncryptTestCert
Select UserName, Password, EncryptPassword, CONVERT(nvarchar(15),DECRYPTBYKEY(EncryptPassword)) AS DecryptPassword
From MasterPassword
Where ( ( UserName = 'sekar' ) and
( CONVERT(nvarchar(15),DECRYPTBYKEY(EncryptPassword)) = 'sekar' ) )

0 rows selected. why ? Any mistake in the above SQL

if we search only with the UserName = 'sekar',  1 row is selected,   CONVERT(nvarchar(15),DECRYPTBYKEY(EncryptPassword)) AS DecryptPassword displays with the Chinese language why, it must display sekar only, why in Chinese language.  Kindly see the screen shot in the attached excel file.

Attached the excel file for your reference.

Thanks.

S.N.Ramkumar.
Workings.xlsx
Comment
Watch Question
Software Consultant
Commented:
This problem has been solved!
Unlock 1 Answer and 8 Comments.
See Answer
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE