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Re: [openpgp] time representation in OpenPGP

"Salz, Rich" <rsalz@akamai.com> Sun, 03 July 2016 13:48 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Daniel Kahn Gillmor <dkg@fifthhorseman.net>, IETF OpenPGP <openpgp@ietf.org>
Thread-Topic: [openpgp] time representation in OpenPGP
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Date: Sun, 03 Jul 2016 13:48:44 +0000
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Subject: Re: [openpgp] time representation in OpenPGP
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>    A time field is an unsigned four-octet number containing the number
>    of seconds elapsed since midnight, 1 January 1970 UTC.

Isn't that the classic Unix time_t, which expires in 2038?

I suggest we use ASN1 generalized time (which has only a couple of bytes overhead) or ISO 8601 profiled to be like the ASN1 format: YYYY-MM-DD-HH:MM:SS.sss with fraction optional.

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