full-disclosure - Time Expiry Alogorithm??

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From: andfarm at teknovis.com (Andrew Farmer)
Subject: Time Expiry Alogorithm??

Gautam R. Singh <gautam.singh@...il.com> wrote:
> I was just wondering is there any encrytpion alogortim which expires
> with time.
> For example an email message maybe decrypted withing 48 hours of its
> delivery otherwise it become usless or cant be decrypted with the
> orignal key

No. Think about it for a moment.

(Clocks can be changed.)
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