{"guid":"98f59651-b6ed-4428-9d9d-355873a8901d","title":"Digital signature and encryption workflows with LibreOffice","subtitle":"Your office processes digitalised with FLOSS \u0026 LibreOffice - it's all there!","slug":"froscon2018-2231-digital_signature_and_encryption_workflows_with_libreoffice","link":"https://programm.froscon.de/2018/events/2231.html","description":"Come to hear on what's possible today with LibreOffice and associated FLOSS, to map your paper-and-pencil based signing workflows into the digital domain.\n\nThis talk focuses on a number of recent feature additions to LibreOffice, that enable its use in fully-digitised workflows for reviewing, signing, and encryption of ODF and PDF documents. Starting off with an update to gpg4libre, which makes transparent use of already-present OpenPGP key material for signing and encrypting documents, we will then show a number of other helpful features, like using time stamping authorities, or facsimile 'signature' images tied to signature validity.\n\nTaking it all together, with LibreOffice version 6.1, which should be available a bit before FrOSCon, we can showcase:\n* signing and encrypting ODF documents with OpenPGP key material\n* signing and encrypting ODF documents with X509 key material\n* using TSAs to ascertain time of signature / time of generation\n* interoperability with other Word processors wrt. signatures\n* facsimile handwritten signature images, like for PDF signing\n\nAll of that spiced up with some anecdotes and war stories about\nsilly files and stubborn code, while navigating the landscapes of\nstandards \u0026 freedom.\n","original_language":"eng","persons":["Thorsten Behrens"],"tags":["froscon2018","2231","There’s a Tux in your window"],"view_count":129,"promoted":false,"date":"2018-08-25T00:00:00.000+02:00","release_date":"2018-08-25T02:00:00.000+02:00","updated_at":"2026-04-01T08:00:04.886+02:00","length":3705,"duration":3705,"thumb_url":"https://static.media.ccc.de/media/events/froscon/2018/2231-hd.jpg","poster_url":"https://static.media.ccc.de/media/events/froscon/2018/2231-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/froscon/2018/98f59651-b6ed-4428-9d9d-355873a8901d-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/froscon/2018/98f59651-b6ed-4428-9d9d-355873a8901d-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/froscon2018-2231-digital_signature_and_encryption_workflows_with_libreoffice","url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_title":"FrOSCon 2018","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018","related":[{"event_id":5734,"event_guid":"adde2800-ffa1-44c4-aafd-c4928ee5378d","weight":5},{"event_id":5738,"event_guid":"fafacf91-9842-4a5f-bb02-146250450001","weight":5},{"event_id":5751,"event_guid":"2b7d1c38-d3e0-4978-ac30-95aed9e7b0d7","weight":6},{"event_id":5753,"event_guid":"0f675194-51f2-4165-9c6c-9b5653bc52e6","weight":7},{"event_id":5766,"event_guid":"73f1dcb2-25ba-48ff-a02a-3abc33360f03","weight":6},{"event_id":5775,"event_guid":"8c0b8e5b-7e38-486a-bd97-5329857ffae8","weight":2},{"event_id":5794,"event_guid":"1963b747-4067-4b34-9c45-debd2f020fef","weight":4},{"event_id":5829,"event_guid":"9b34e4d2-533b-44ac-94c9-d53a70bc11a8","weight":4}],"recordings":[{"size":283,"length":3705,"mime_type":"video/mp4","language":"eng","filename":"froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2018-08-25T14:59:31.776+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2018/h264-hd/froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_hd.mp4","url":"https://api.media.ccc.de/public/recordings/27050","event_url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018"},{"size":120,"length":3705,"mime_type":"video/mp4","language":"eng","filename":"froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2018-08-25T16:26:56.122+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2018/h264-sd/froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_sd.mp4","url":"https://api.media.ccc.de/public/recordings/27099","event_url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018"},{"size":56,"length":3698,"mime_type":"audio/mpeg","language":"eng","filename":"froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2018-08-25T16:27:09.068+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2018/mp3/froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/27100","event_url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018"},{"size":42,"length":3698,"mime_type":"audio/opus","language":"eng","filename":"froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2018-08-25T16:28:07.581+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2018/opus/froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_opus.opus","url":"https://api.media.ccc.de/public/recordings/27102","event_url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018"},{"size":131,"length":3705,"mime_type":"video/webm","language":"eng","filename":"froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2018-08-25T16:33:45.325+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2018/webm-sd/froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/27114","event_url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018"},{"size":343,"length":3705,"mime_type":"video/webm","language":"eng","filename":"froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2018-08-25T18:08:26.070+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2018/webm-hd/froscon2018-2231-eng-Digital_signature_and_encryption_workflows_with_LibreOffice_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/27163","event_url":"https://api.media.ccc.de/public/events/98f59651-b6ed-4428-9d9d-355873a8901d","conference_url":"https://api.media.ccc.de/public/conferences/froscon2018"}]}