RE: key storage

From: Andrew Tucker (atucker_at_windows.microsoft.com)
Date: 08/27/04

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    Date: Thu, 26 Aug 2004 15:05:51 -0700
To: "Ajay" <abra9823@mail.usyd.edu.au>, <security-basics@securityfocus.com>

    What platform are you using? On Windows this is the exact problem that
    DPAPI was developed to solve. Another generic solution is to protect
    them with a key derived from a password that the user enters so you
    never actually have to store the key.

    -----Original Message-----
    From: Ajay [mailto:abra9823@mail.usyd.edu.au]
    Sent: Wednesday, August 25, 2004 4:01 AM
    To: security-basics@securityfocus.com
    Subject: key storage

    hi!

    i am building a web application. for client authentication, i am using
    cookies which include the HMAC of the data.
    the server also has a public/private key pair for signing and verifying
    information.
    my question is how should these be stored on the server? encryption is
    the
    best solution, but if i encrypt them with another key, the question is
    where does this key get stored?

    thanks

    cheers
    ajay

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