100 lines
3.1 KiB
HTML
100 lines
3.1 KiB
HTML
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<p>I made this chart for a presentation at the <a href="https://cyber.law.harvard.edu/">Berkman Klein Center</a></p>
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<table>
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<thead>
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<tr>
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<th> </th>
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<th style="text-align: center">Whatsapp</th>
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<th style="text-align: center">Telegram</th>
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<th style="text-align: right">Signal</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>Source code</td>
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<td style="text-align: center">closed source</td>
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<td style="text-align: center">open source</td>
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<td style="text-align: right">open source</td>
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</tr>
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<tr>
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<td>Api</td>
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<td style="text-align: center">none</td>
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<td style="text-align: center">various</td>
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<td style="text-align: right">library</td>
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</tr>
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<tr>
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<td>Encription protocol</td>
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<td style="text-align: center">state of the art</td>
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<td style="text-align: center">self made</td>
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<td style="text-align: right">state of the art</td>
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</tr>
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<tr>
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<td>Contact list location</td>
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<td style="text-align: center">cloud</td>
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<td style="text-align: center">cloud</td>
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<td style="text-align: right">cloud, encrypted</td>
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</tr>
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<tr>
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<td>Forward Secrecy</td>
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<td style="text-align: center">yes</td>
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<td style="text-align: center">yes</td>
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<td style="text-align: right">yes</td>
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</tr>
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<tr>
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<td>Database</td>
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<td style="text-align: center">phone storage</td>
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<td style="text-align: center">cloud</td>
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<td style="text-align: right">phone storage</td>
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</tr>
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<tr>
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<td>Backup capability</td>
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<td style="text-align: center">Icloud or Gcloud</td>
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<td style="text-align: center">builtin</td>
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<td style="text-align: right">none</td>
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</tr>
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<tr>
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<td>Revenue</td>
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<td style="text-align: center">ads (Facebook)</td>
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<td style="text-align: center">donation based</td>
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<td style="text-align: right">donation based</td>
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</tr>
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<tr>
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<td>Federation</td>
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<td style="text-align: center">no</td>
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<td style="text-align: center">no</td>
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<td style="text-align: right">no</td>
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</tr>
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<tr>
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<td>Alternative download location</td>
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<td style="text-align: center">website</td>
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<td style="text-align: center">F-Droid</td>
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<td style="text-align: right">none</td>
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</tr>
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<tr>
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<td>Uses third party services</td>
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<td style="text-align: center">no</td>
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<td style="text-align: center">no</td>
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<td style="text-align: right">Google Cloud Messaging</td>
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</tr>
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<tr>
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<td>Servers location</td>
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<td style="text-align: center">US</td>
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<td style="text-align: center">Russia</td>
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<td style="text-align: right">US</td>
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</tr>
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<tr>
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<td>Tied to mobile number</td>
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<td style="text-align: center">yes</td>
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<td style="text-align: center">yes, but nickname available</td>
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<td style="text-align: right">yes</td>
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</tr>
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<tr>
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<td>Desktop client</td>
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<td style="text-align: center">no</td>
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<td style="text-align: center">yes</td>
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<td style="text-align: right">no</td>
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</tr>
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</tbody>
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</table>
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