Re: improved identification of non-targets
james hughes via cryptography <[email protected]> Mon, 13 Jan 2020 09:40:06 -0800
| Newsgroups | gmane.comp.encryption.general |
|---|---|
| Message-ID | <[email protected]> |
--===============7892234844253117784== Content-Type: multipart/alternative; boundary="Apple-Mail=_0BB6D85B-877B-494F-8C28-CDC0EEB72707" --Apple-Mail=_0BB6D85B-877B-494F-8C28-CDC0EEB72707 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On Jan 11, 2020, at 10:13 PM, John Denker via cryptography = <[email protected]> wrote: >=20 > 6) Layering some crypto on that shouldn't be toooo hard. > The aircraft can perform some sort of public-key signature > or zero-knowledge proof of identity. Append the nonce to > your claimed ID, sign it, and send it back. And we will have the same PKI mess we have today, as a result unfriendly = will now have cryptographically signed beacons of a friendly or neutral.=20= --Apple-Mail=_0BB6D85B-877B-494F-8C28-CDC0EEB72707 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><br = class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div = class=3D"">On Jan 11, 2020, at 10:13 PM, John Denker via cryptography = <<a href=3D"mailto:[email protected]" = class=3D"">[email protected]</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: = normal; letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;" class=3D"">6) Layering some crypto on that = shouldn't be toooo hard.</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">The aircraft can perform some sort of public-key = signature</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 12px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 12px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">or = zero-knowledge proof of identity. Append the nonce to</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: = normal; letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: = normal; letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;" class=3D"">your claimed ID, sign it, and = send it back.</span></div></blockquote></div><br class=3D""><div = class=3D"">And we will have the same PKI mess we have today, as a result = unfriendly will now have cryptographically signed beacons of a friendly = or neutral. </div></body></html>= --Apple-Mail=_0BB6D85B-877B-494F-8C28-CDC0EEB72707-- --===============7892234844253117784== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ The cryptography mailing list [email protected] https://www.metzdowd.com/mailman/listinfo/cryptography --===============7892234844253117784==--