<div dir="ltr"><div dir="ltr"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Consider a photograph made with a standard phone with 16 bit color. One could take that photo, encode a message in the least significant bit. The change in the photograph would be impossible to detect. There is no way to prove that there is a message in that LSB. Of course the message is 16 times longer than the unencrypted message, but that shouldn’t matter in our times of abundant bandwidth.</blockquote><p class="MsoNormal"><u></u></p><br class="gmail-Apple-interchange-newline"><div>Nice example. Yes, the governments can try to put restrictions on companies, but even now there are ways to encrypt messages such that even if quantum computers are there, they won't be able to crack the messages.</div><div><br></div><div>I'm not aware of what's going on in China other than that they use Deep NNs for facial recognition, somewhat similar to 1984's Big Brother's party. </div><div><br></div><div>(Funny story - I like to ask my friends whether they'd ever give the government their photograph and personal identification data, and they're almost always like "NO" but then I tell them that they all have passports. Que the look of surprise.)</div><div><br></div><div>Everything is information - the bits of information are indestructible - everything theoretically could be used to encrypt messages.</div><div><br></div><div>&Kunvar</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 22, 2020 at 7:52 PM spike jones via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div class="gmail-m_-7854357813489253515WordSection1"><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><b>From:</b> extropy-chat <<a href="mailto:extropy-chat-bounces@lists.extropy.org" target="_blank">extropy-chat-bounces@lists.extropy.org</a>> <b>On Behalf Of </b>John Clark via extropy-chat<br><b>Subject:</b> [ExI] Encryption<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal"><span style="font-size:13.5pt;font-family:Arial,sans-serif">>…</span><span style="font-family:Arial,sans-serif"><u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><a href="https://www.reuters.com/article/us-apple-fbi-icloud-exclusive/exclusive-apple-dropped-plan-for-encrypting-backups-after-fbi-complained-sources-idUSKBN1ZK1CT" target="_blank"><span style="font-size:13.5pt">Apple dropped plan for encrypting backups</span></a><u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><div><p class="MsoNormal"><span style="font-size:13.5pt">It seems that governments just don't like encryption.... China has long been on the anti-encryption bandwagon and now India has jumped on too and wants to stop civilian use of it…</span><u></u><u></u></p></div></div><div><div><p class="MsoNormal"><span style="font-size:13.5pt;font-family:Arial,sans-serif">John K Clark<u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Technology has come to our rescue.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Consider a photograph made with a standard phone with 16 bit color. One could take that photo, encode a message in the least significant bit. The change in the photograph would be impossible to detect. There is no way to prove that there is a message in that LSB. Of course the message is 16 times longer than the unencrypted message, but that shouldn’t matter in our times of abundant bandwidth.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Not only could encrypted messages be sent in such a way that they look like ordinary photos, it could be completely secure if encrypted using a one-time pad on a computer not connected to the internet. Result: snoops can neither crack the message nor even prove there is an encrypted message to crack. <u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Ain’t math cool?<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">spike<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p></div></div></div></div></div>_______________________________________________<br>
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