Re: encrypted files?

[Jim Hyslop]

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Mike wrote:
> Is there a way to either have cvs store files encrypted or to store and
> diff already encrypted files?

Storing an encrypted file is trivial: just check it in (and make sure
it's flagged as binary).

You could write a script that would encrypt the file as it was being
checked in. However, it would be pretty much impossible for CVS to diff
an already-encrypted file, in a way that is secure enough to make the
exercise worthwhile.

In order to figure out the diff, CVS would have to decrypt the original
version, compare the new version, then encrypt the delta and store the
encrypted delta. So now part of the problem becomes: how do you manage
the encryption keys for this? Also, how do you handle files that have
been encrypted with expired or compromised keys?

What is the problem you are trying to solve? Maybe we can suggest an
alternative.

- --
Jim Hyslop
Dreampossible: Better software. Simply.     http://www.dreampossible.ca
                 Consulting * Mentoring * Training in
    C/C++ * OOD * SW Development & Practices * Version Management
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