It's very interesting!, anyone knows?

On 8 jul, 22:20, Offsky <[email protected]> wrote:
> I noticed with Gmail that if I am offline for an extended period of
> time, it will ask me for my password again.  I can understand the
> security benefit from this (suppose you lost your laptop), but I don't
> understand how to do it in my application.
>
> When online, I hash the password and compare this to the hashed
> password in my database.  The hash is a secret, so I don't want to
> transfer this to the client.  I also don't want to store the password
> on the client in plain text. And regardless of whatever mechanism I
> choose to use, it is quite easy to get around this by modifying the
> local javascript, or by looking at the unencrypted database file on
> the local computer.  So is it really necessary to authenticate the
> user while offline?  How does Gmail do it?

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