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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hi Mike<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>OAIS version 1 had some errors to do with authenticity which led to the mention of authentication and authentication keys in fixity. Those issues were fixed in version 2 after a lot of discussion (maybe you think today was long but boy….!).<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>I’d have to check XFDU, PAIS and PAIMAS but I suspect they do mean authentication in the correct way.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>..David<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></a></p><span style='mso-bookmark:_MailEndCompose'></span><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> MOIMS-DAI [mailto:moims-dai-bounces@mailman.ccsds.org] <b>On Behalf Of </b>Mike Kearney<br><b>Sent:</b> 04 April 2017 16:14<br><b>To:</b> 'MOIMS-Data Archive Ingestion' <moims-dai@mailman.ccsds.org><br><b>Subject:</b> [Moims-dai] Fixity definition<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Just as an observation on the definition of fixity information: (Mark’s suggested change 18) <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>This is what the SANA registry has as a definition for fixity information. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><a href="http://www.sanaregistry.org/r/terms/terms-f.html">http://www.sanaregistry.org/r/terms/terms-f.html</a><o:p></o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=960 style='width:720.0pt;background:white;border-collapse:collapse'><tr><td valign=top style='border:solid #E6E6E6 1.0pt;border-top:none;padding:4.5pt 7.5pt 2.25pt 7.5pt'><p class=MsoNormal style='mso-margin-top-alt:7.5pt;margin-right:37.5pt;margin-bottom:0cm;margin-left:7.5pt;margin-bottom:.0001pt'><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>fixity information<o:p></o:p></span></b></p><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:37.5pt;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>The information which documents the authentication mechanisms and provides authentication keys to ensure that the Content Information Object has not been altered in an undocumented manner.</span><a href="http://www.sanaregistry.org/cgi/edit-glossary?r=terms&id=fixity_information"><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:#003E69;text-decoration:none'><img border=0 width=16 height=16 style='width:.1666in;height:.1666in' id="Picture_x0020_2" src="cid:image002.png@01D2AD64.D2E31D00" alt="http://www.sanaregistry.org/r/_support/edit.png"></span></a><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></td><td valign=top style='border-top:none;border-left:none;border-bottom:solid #E6E6E6 1.0pt;border-right:solid #E6E6E6 1.0pt;padding:4.5pt 7.5pt 2.25pt 7.5pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>[<a href="http://sanaregistry.org/ccsds/recommendation?docid=661.0-B-1"><span style='color:#003E69'>661.0‑B‑1</span></a>]<br>[<a href="http://sanaregistry.org/ccsds/recommendation?docid=651.0-M-1"><span style='color:#003E69'>651.0‑M‑1</span></a>]<br>[<a href="http://sanaregistry.org/ccsds/recommendation?docid=651.1-B-1"><span style='color:#003E69'>651.1‑B‑1</span></a>]<o:p></o:p></span></p></td></tr><tr><td valign=top style='border:solid #E6E6E6 1.0pt;border-top:none;background:#F3F3F3;padding:4.5pt 7.5pt 2.25pt 7.5pt'><p class=MsoNormal style='mso-margin-top-alt:7.5pt;margin-right:37.5pt;margin-bottom:0cm;margin-left:7.5pt;margin-bottom:.0001pt'><a name="_term_fixity_information_2"></a><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>fixity information<o:p></o:p></span></b></p><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:37.5pt;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>The information which documents the mechanisms that ensure that the Content Information object has not been altered in an undocumented manner.</span><a href="http://www.sanaregistry.org/cgi/edit-glossary?r=terms&id=fixity_information_2"><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:#003E69;text-decoration:none'><img border=0 width=16 height=16 style='width:.1666in;height:.1666in' id="Picture_x0020_1" src="cid:image002.png@01D2AD64.D2E31D00" alt="http://www.sanaregistry.org/r/_support/edit.png"></span></a><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></td><td valign=top style='border-top:none;border-left:none;border-bottom:solid #E6E6E6 1.0pt;border-right:solid #E6E6E6 1.0pt;background:#F3F3F3;padding:4.5pt 7.5pt 2.25pt 7.5pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>[<a href="http://sanaregistry.org/ccsds/recommendation?docid=650.0-M-2"><span style='color:#003E69'>650.0‑M‑2</span></a>]<o:p></o:p></span></p></td></tr></table><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>XFDU, PAIS and PAIMAS definitions include “and provides authentication keys” but OAIS does not. Should we also update the OAIS definition to include the phrase about authentication keys? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> -=- Mike<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Mike Kearney<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Huntsville, Alabama, USA<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>