Hash and salt passwords in C#

Question

I was just going through one of DavidHayden\'s articles on Hashing User Passwords.

Really I can\'t get what he is trying to achieve.

Here is his code:

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Answer 1

create proc [dbo].[hash_pass] @family nvarchar(50), @username nvarchar(50), @pass nvarchar(Max),``` @semat nvarchar(50), @tell nvarchar(50)

as insert into tbl_karbar values (@family,@username,(select HASHBYTES('SHA1' ,@pass)),@semat,@tell)