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Re: [lamps] On the need for standardization of software-based interoperable private keys [was: Re: draft-ietf-lamps-samples: PKCS12 expertise needed (including objects for comparison)]

Daniel Kahn Gillmor <dkg@fifthhorseman.net> Thu, 05 August 2021 18:34 UTC

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From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
To: Bernie Hoeneisen <bernie@ietf.hoeneisen.ch>, LAMPS WG <spasm@ietf.org>
In-Reply-To: <alpine.DEB.2.22.394.2108051809190.697777@softronics.hoeneisen.ch>
References: <87czr0ww0d.fsf@fifthhorseman.net> <FF939B28-528B-47F9-9C0C-6585D1B02FBE@vigilsec.com> <87mtq3ukk0.fsf@fifthhorseman.net> <CAErg=HHQMZ1jk+bVxA=MzVvW+9ucie7bu-N6O8Asnp0V8Rf9Bg@mail.gmail.com> <30546.1627850836@localhost> <CAErg=HHKL-E5yT0UnPKcLfMQU41iDg7GGgjsSXs3eRg8daJRkg@mail.gmail.com> <87wnp347iu.fsf@fifthhorseman.net> <1388.1627996026@localhost> <87pmuu42hf.fsf@fifthhorseman.net> <20862.1628113377@localhost> <656985A5-BED4-4BA8-9233-B3C93966016C@ll.mit.edu> <877dh03x35.fsf@fifthhorseman.net> <alpine.DEB.2.22.394.2108051809190.697777@softronics.hoeneisen.ch>
Autocrypt: addr=dkg@fifthhorseman.net; prefer-encrypt=mutual; keydata= mDMEX+i03xYJKwYBBAHaRw8BAQdACA4xvL/xI5dHedcnkfViyq84doe8zFRid9jW7CC9XBiI0QQf FgoAgwWCX+i03wWJBZ+mAAMLCQcJEOCS6zpcoQ26RxQAAAAAAB4AIHNhbHRAbm90YXRpb25zLnNl cXVvaWEtcGdwLm9yZ/tr8E9NA10HvcAVlSxnox6z62KXCInWjZaiBIlgX6O5AxUKCAKbAQIeARYh BMKfigwB81402BaqXOCS6zpcoQ26AADZHQD/Zx9nc3N2kj13AUsKMr/7zekBtgfSIGB3hRCU74Su G44A/34Yp6IAkndewLxb1WdRSokycnaCVyrk0nb4imeAYyoPtBc8ZGtnQGZpZnRoaG9yc2VtYW4u bmV0PojRBBMWCgCDBYJf6LTfBYkFn6YAAwsJBwkQ4JLrOlyhDbpHFAAAAAAAHgAgc2FsdEBub3Rh dGlvbnMuc2VxdW9pYS1wZ3Aub3JnL0Gwxvypz2tu1IPG+yu1zPjkiZwpscsitwrVvzN3bbADFQoI ApsBAh4BFiEEwp+KDAHzXjTYFqpc4JLrOlyhDboAAPkXAP0Z29z7jW+YzLzPTQML4EQLMbkHOfU4 +s+ki81Czt0WqgD/SJ8RyrqDCtEP8+E4ZSR01ysKqh+MUAsTaJlzZjehiQ24MwRf6LTfFgkrBgEE AdpHDwEBB0DkKHOW2kmqfAK461+acQ49gc2Z6VoXMChRqobGP0ubb4kBiAQYFgoBOgWCX+i03wWJ BZ+mAAkQ4JLrOlyhDbpHFAAAAAAAHgAgc2FsdEBub3RhdGlvbnMuc2VxdW9pYS1wZ3Aub3Jnfvo+ nHoxDwaLaJD8XZuXiaqBNZtIGXIypF1udBBRoc0CmwICHgG+oAQZFgoAbwWCX+i03wkQPp1xc3He VlxHFAAAAAAAHgAgc2FsdEBub3RhdGlvbnMuc2VxdW9pYS1wZ3Aub3JnaheiqE7Pfi3Atb3GGTw+ jFcBGOaobgzEJrhEuFpXREEWIQQttUkcnfDcj0MoY88+nXFzcd5WXAAAvrsBAIJ5sBg8Udocv25N stN/zWOiYpnjjvOjVMLH4fV3pWE1AP9T6hzHz7hRnAA8d01vqoxOlQ3O6cb/kFYAjqx3oMXSBhYh BMKfigwB81402BaqXOCS6zpcoQ26AADX7gD/b83VObe14xrNP8xcltRrBZF5OE1rQSPkMNy+eWpk eCwA/1hxiS8ZxL5/elNjXiWuHXEvUGnRoVj745Vl48sZPVYMuDgEX+i03xIKKwYBBAGXVQEFAQEH QIGex1WZbH6xhUBve5mblScGYU+Y8QJOomXH+rr5tMsMAwEICYjJBBgWCgB7BYJf6LTfBYkFn6YA CRDgkus6XKENukcUAAAAAAAeACBzYWx0QG5vdGF0aW9ucy5zZXF1b2lhLXBncC5vcmcEAx9vTD3b J0SXkhvcRcCr6uIDJwic3KFKxkH1m4QW0QKbDAIeARYhBMKfigwB81402BaqXOCS6zpcoQ26AAAX mwD8CWmukxwskU82RZLMk5fm1wCgMB5z8dA50KLw3rgsCykBAKg1w/Y7XpBS3SlXEegIg1K1e6dR fRxL7Z37WZXoH8AH
Date: Thu, 05 Aug 2021 13:35:04 -0400
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Subject: Re: [lamps] On the need for standardization of software-based interoperable private keys [was: Re: draft-ietf-lamps-samples: PKCS12 expertise needed (including objects for comparison)]
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On Thu 2021-08-05 18:27:18 +0200, Bernie Hoeneisen wrote:
> For those interested in private key exchange technology: For the use case 
> mentioned above, there are already several implementations (pEp KeySync) 
> [1], which is working in an e2e manner; however these implementations are 
> currenty PGP based (i.e. S/MIME is not yet suported).
>
> We documented the pEp KeySync protocol in:
>
>    https://datatracker.ietf.org/doc/html/draft-pep-keysync

For OpenPGP, the Autocrypt project also encourages private key exchange
between MUAs that are used with the same account via the Autocrypt Setup
Message:

   https://autocrypt.org/level1.html#autocrypt-setup-message

Regards,

        --dkg

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