form authentication ticket encryption

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Using following encryption Code,i am encrypting my password.but i m unable to store the output in database cause its too big. Like for

ADMIN='62A67FEAD09E656F8B01D88C3ADED42F04E538D3039DE04
D70C0CB448EA773FDF4992585556560F1F1B343C938EAF03820D06
AE998BCCB5462B79DE2116BB072A83A96405A774E1E1D779398847
9BF43'
=======================================================

C#

FormsAuthenticationTicket Ftk = 
new FormsAuthenticationTicket("ADMIN",true,1);            
return FormsAuthentication.Encrypt(Ftk);

=======================================================

any suggestion to shorten the length of encrypted data or any other encryption algorithm.

THANKS IN ADVANCE.!!!!

Posted 30-Mar-12 1:53am

Sanjeev236

Updated 30-Mar-12 2:15am

Peace ON

v2

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ZurdoDev 30-Mar-12 7:59am

Can you not alter the table and make the column bigger?

Sanjeev236 30-Mar-12 8:03am

ya men..! i can for that i need to change the complete code.i m nvarchar datatype for storing the password.in that i have to use text. n more than that i have to make many changes in my code.

[no name] 30-Mar-12 8:16am

<pre> tag added.

2 solutions

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OriginalGriff · Answer 1 · 2012-03-30T02:19:00

Solution 1

Don't encrypt passwords - use a Hashing algorithm instead. There is some information on how to do it here: Password Storage: How to do it.[^]

Posted 30-Mar-12 2:19am

OriginalGriff

sjelen · Answer 2 · 2012-03-30T03:23:00

I agree with Griff, but if you really need to be able to restore/decrypt password,
take alook at System.Security.Cryptography[^] namespace. There are few encryption algorithms you can choose from, try TripleDES or AES.
Remember that you must keep encryption key safe - otherwise you have big security risk.