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 encryptbypassphrase and encrypting by using symme
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Posted - 03/14/2013 :  09:46:27  Show Profile  Reply with Quote
I wanted to know some details about sql server encryption

a) What is the exact difference between encryptbypassphrase and encrypting using symmetric key which is protected by a password(while creating symmetric key it is encypted by using password not master key or certificate)

b)Which one is more secure in those two?

c) If i use the second method mentioned in question a) i.e encrypting using symmetric key which is protected by a password,then in any case after about a year if i want to change password then how it can be easily done?
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