Encrypting with an message expiration date
dshaw at jabberwocky.com
Sun Jan 3 06:12:00 CET 2010
On Jan 3, 2010, at 12:01 AM, Dan Mahoney, System Admin wrote:
> On Sat, 2 Jan 2010, David Shaw wrote:
>> On Jan 2, 2010, at 11:10 PM, Faramir wrote:
>>> Allen Schultz escribió:
>>>> Is there a way to force an expiration date when encrypting a
>>>> for additional security. I have a friend who is inquiring. I've
>>>> already informed him of the "for his/her eyes only" option.
>>> What is that option?
>> But don't think it adds real security. In OpenPGP, the FYEO option
>> just sets a flag in the message that means (in effect), "Pretty
>> please, with sugar on top, treat this as for your eyes only". The
>> recipient is free to ignore the flag and do whatever they like.
> Is that analagous to the flag in older versions of PGP that would
> cause a message to be displayed in a non-printable/non-copyable
It is more than analogous - it is that exact flag. Even in old PGP,
the flag was really just advisory.
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