By definition, the software would have to have some means of decrypting the password,

No, there doesn't have to be any means of decrypting the passwords. Nor should there be.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I'm with torvalds on this
In the absence of evidence, opinion is indistinguishable from prejudice. Agile (and TDD) debunked

In reply to Re^2: encrypt passwords by BrowserUk
in thread encrypt passwords by fionbarr

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