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WebApp Sec: Re: Login credentials and session id security

Re: Login credentials and session id security

From: Dean H. Saxe <dean_at_fullfrontalnerdity.com>
Date: Fri, 8 Jun 2007 13:59:09 -0400

On Jun 8, 2007, at 10:55 AM, Aman Raheja wrote:
> Using Post method is considered more secure of the three options. You
> may encrypt the credentials at the client, with a script on the client
> browser. This won't make it completely resistant (when the proxy is
> sniffing and decrypting SSL, as per the scenario) but will increase
> the
> work factor because now the attacker has to get to the key and then
> decrypt to get the credentials.

The key in this scenario has to be publicly available, so client-side
encryption of the credentials doesn't add any security to the system.

-dhs

Dean H. Saxe, CISSP, CEH
dean_at_fullfrontalnerdity.com
"I have always strenuously supported the right of every man to his
own opinion, however different that opinion might be to mine. He who
denies another this right makes a slave of himself to his present
opinion, because he precludes himself the right of changing it."
     -- Thomas Paine, 1783

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Received on Jun 08 2007

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