Use of Secure String

Hello, I am maintaining some C# code. The code works with peoples passwords, and so I want the passwords to be secure. The code was originally written so that the passwords are stored using the C# String data type. So recently what I decided to do was to change the passwords to a Secure String data type instead of the simple String data type. I thought this would be an easy process, however from what I can understand in reading about SecureString, is that it is more of a data type that is used for encrypting a string. Here is a good article online where a fellow uses the secure string class. Have any experts had any experience with using this class? would you recommend it? Am I correct in my opinion that secure string is basically a way of securely encrypting strings?
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AndyAinscowFreelance programmer / ConsultantCommented:
The SecureString class will provide rather more confidentiality than just a string because the contents are encrypted in memory.  My understanding is that it is encrypted by a key generated locally.  In other words (I might be wrong) you can not store/share the value with another PC because that would use a different key to encrypt it.  (re stored using the C# String data type)  Note to view the contents you need to decrypt it and you are back to a string, visible in memory, with the same problems as the original code.

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Éric MoreauSenior .Net ConsultantCommented:
check the last part titled "The SecureString class" from my article
brgdotnetcontractorAuthor Commented:
Thank you. Nice article Eric
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