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Re: appropriate algorithm for application
> Cerridwyn Llewyellyn wrote:
> >
> > I need an algorithm/protocol that is capable of encrypting numerous
> > files with separate keys, but there also needs to be a master key
> > that will be able to decrypt all of them. Is there such a system
> > that is relatively secure? I'd prefer the system to be as secure
> > as possible, but in this application, security is secondary to
> > functionality. Thanks... //cerridwyn//
>
> Are you after a working program, or just a design?
>
> You could always use an escrowed public key generator (discussed on
> sci.crypt some time ago), where the keys all have a factor of 'N'
> embedded in 'N', but encrypted with the master key.
>
> (I'd be prepared to write the code that generates the keys, if
> someone does the "master decrypt" side of things).
>
> Gary
> --
> pub 1024/C001D00D 1996/01/22 Gary Howland <[email protected]>
> Key fingerprint = 0C FB 60 61 4D 3B 24 7D 1C 89 1D BE 1F EE 09 06
> ^S
> ^A^Aoft FAT filesytem is extremely robust, ^Mrarely suffering from^T^T
>
>
Why not just encrypt the files with regular, single key encryption and only use
the public-key encryption on a master file holding a copy of all the individual
keys? This would be faster right?
Scott