XIFF - Revision history

Thorsted: /* File Identification */

2024-12-09T23:28:50Z

‎File Identification

Thorsted at 20:45, 1 September 2023

2023-09-01T20:45:28Z

Thorsted: /* Software */

2022-12-23T23:29:01Z

‎Software

Thorsted at 09:43, 25 February 2022

2022-02-25T09:43:05Z

Thorsted: Updated PRONOM

2021-11-10T18:39:20Z

Updated PRONOM

Thorsted: /* File Identification */

2020-10-14T22:38:35Z

‎File Identification

Jsummers: /* Format details */

2020-08-30T15:37:24Z

‎Format details

Thorsted at 16:10, 21 August 2020

2020-08-21T16:10:48Z

Thorsted at 16:16, 5 November 2019

2019-11-05T16:16:58Z

Jsummers at 18:01, 5 October 2019

2019-10-05T18:01:39Z

@@ Line 25: / Line 25: @@
 == File Identification ==
-XIFF 3.0 Header begins with the standard [[TIFF]] header, at offset 8 for 10 bytes contains either "{{magic|XEROX DIFF}}", or "{{magic|&nbsp;eXtended&nbsp;}}" for version 2 & 3 respectively. At offset 18 there is one byte to indicate version, followed by another byte at offset 19 to indicate a revision number. See page 25 of XIFF 3.0 spec <ref>https://github.com/thorsted/pronom-research-week/blob/master/XIFF/Xiff3_0.doc</ref> and this forensic book <ref>https://files.transtutors.com/cdn/uploadassignments/3103417_1_guide-to-computer-forensics-and-investigations-------pg-384--407---1-.pdf#page=11</ref>
+XIFF 3.0 Header begins with the standard [[TIFF]] header, at offset 8 for 10 bytes contains either "{{magic|XEROX DIFF}}", or "{{magic|&nbsp;eXtended&nbsp;}}" for version 2 & 3 respectively. At offset 18 there is one byte to indicate version, followed by another byte at offset 19 to indicate a revision number. See page 25 of XIFF 3.0 spec <ref>https://github.com/thorsted/pronom-research-week/blob/master/XIFF/Xiff3_0.doc</ref> and this forensic book <ref>https://files.transtutors.com/cdn/uploadassignments/3103417_1_guide-to-computer-forensics-and-investigations-------pg-384--407---1-.pdf#page=11</ref>. Also some source code.<ref>https://archive.org/download/2014.01.ftp.parc.xerox.com/2014.01.ftp.parc.xerox.com.zip/ftp.parc.xerox.com%2Fpub%2Fmkrocken%2Fsilx.tar.gz</ref>
 == Disambiguation ==

@@ Line 10: / Line 10: @@
 '''XIFF''' (eXtended Image File Format, Xerox Image File Format<ref>https://archive.org/download/gov.uspto.patents.application.10767044/10767044-2004-01-29-00007-SPEC.pdf, p.5</ref>), also known as '''XIF''' (eXtended Image Format, Xerox Image Format<ref>https://web.archive.org/web/20070223154220/http://www.objectrescue.com/products/recover-file-types.html</ref>) and also DigiPaper/XIF<ref>http://www.vincent-net.com/luc/papers/99isdm_document_talk.pdf</ref><ref>http://www.dlib.org/dlib/january00/moll/01moll.html</ref>, and apparently also '''Xerox DIFF''', is a raster graphics format associated with ScanSoft and Xerox. It is a compound image format, similar in concept to [[Mixed Raster Content]] or [[JPM]].
-XIFF is probably considered to be proprietary, though the MIME type registration indicates that there was a specification at the (long dead) URL <nowiki>http://www.xerox.com/xis/xiff/</nowiki>.
+XIFF is probably considered to be proprietary, though the MIME type registration indicates that there was a specification at the (long dead) URL <nowiki>http://www.xerox.com/xis/xiff/</nowiki>.<ref>https://web.archive.org/web/19990224033629/http://www.xerox.com/scansoft/xiff/index.htm</ref>
 Also used as the file format for Fax software such as the FaxWave service.<ref>https://web.archive.org/web/20000512013555/http://www.callwave.com/faxviewers.html</ref>

@@ Line 33: / Line 33: @@
 == Software ==
 * [https://web.archive.org/web/19970513184002/http://www.xerox.com/xis/pagis/pagisviewer.htm Pagis viewer software and Sample XIF file (archived)]
 * [[XnView]] (unconfirmed)

@@ Line 38: / Line 38: @@
 * Some versions of various ScanSoft software such as Pagis Pro, Pagis Viewer, TextBridge, [[PaperPort_(MAX)|PaperPort]], [[OmniPage]] Pro, XIFF Reader
 * [https://archive.org/download/2014.01.ftp.parc.xerox.com/2014.01.ftp.parc.xerox.com.zip/ftp.parc.xerox.com%2Fpub%2Fmkrocken%2Fdigipaper.tar.gz Possible XIF code]
 == Links ==

@@ Line 5: / Line 5: @@
 |mimetypes={{mimetype|image/vnd.xiff}}
 |released=≤1997
 |wikidata={{wikidata|Q28207555}}
 }}

@@ Line 16: / Line 16: @@
 == Format details ==
-XIFF is an extension of [[TIFF]]. There is extension data starting at offset 8, which is not referenced by any TIFF tag. Also related to the TIFF-F<ref>https://tools.ietf.org/html/rfc2306#:~:text=TIFF-F</ref> specification,<ref>https://archive.org/details/MacAddict-073-200209/page/n23/mode/2up?q=xif</ref>
+XIFF is an extension of [[TIFF]]. There is extension data starting at offset 8, which is not referenced by any TIFF tag. Also related to the TIFF-F<ref>https://tools.ietf.org/html/rfc2306#:~:text=TIFF-F</ref> specification.<ref>https://archive.org/details/MacAddict-073-200209/page/n23/mode/2up?q=xif</ref>
 XIFF is possibly related to [[TIFF-FX]] mixed raster content subtype (See RFC 2301 & RFC 2531).

@@ Line 6: / Line 6: @@
 |released=≤1997
 }}
-'''XIFF''' (eXtended Image File Format, Xerox Image File Format<ref>https://archive.org/download/gov.uspto.patents.application.10767044/10767044-2004-01-29-00007-SPEC.pdf, p.5</ref>), also known as '''XIF''' (eXtended Image Format, Xerox Image Format<ref>https://web.archive.org/web/20070223154220/http://www.objectrescue.com/products/recover-file-types.html</ref>) and also DigiPaper/XIF<ref>http://www.vincent-net.com/luc/papers/99isdm_document_talk.pdf</ref><ref>http://www.dlib.org/dlib/january00/moll/01moll.html</ref>, is a raster graphics format associated with ScanSoft corporation. It is a compound image format, similar in concept to [[Mixed Raster Content]] or [[JPM]].
+'''XIFF''' (eXtended Image File Format, Xerox Image File Format<ref>https://archive.org/download/gov.uspto.patents.application.10767044/10767044-2004-01-29-00007-SPEC.pdf, p.5</ref>), also known as '''XIF''' (eXtended Image Format, Xerox Image Format<ref>https://web.archive.org/web/20070223154220/http://www.objectrescue.com/products/recover-file-types.html</ref>) and also DigiPaper/XIF<ref>http://www.vincent-net.com/luc/papers/99isdm_document_talk.pdf</ref><ref>http://www.dlib.org/dlib/january00/moll/01moll.html</ref>, and apparently also '''Xerox DIFF''', is a raster graphics format associated with ScanSoft and Xerox. It is a compound image format, similar in concept to [[Mixed Raster Content]] or [[JPM]].
-We haven't located any details about XIFF format, except that it is an extension of [[TIFF]]. Some sources say it is proprietary, though the MIME type registration indicates that there was a specification at the (long dead) URL <nowiki>http://www.xerox.com/xis/xiff/</nowiki>.
+XIFF is probably considered to be proprietary, though the MIME type registration indicates that there was a specification at the (long dead) URL <nowiki>http://www.xerox.com/xis/xiff/</nowiki>.
-ScanSoft has a long and complicated history. It was once a part of Xerox, and is currently (since 2005) a part of Nuance Communications.
+ScanSoft has a long and complicated history. It was a part of Xerox around the time XIFF was developed, and since 2005 is a part of Nuance Communications.
 == File Identification ==
-XIFF files appear to be related to [[TIFF-FX]] mixed raster content subtype (See [https://www.ietf.org/rfc/rfc2301.txt RFC 2301] & [https://www.ietf.org/rfc/rfc2531.txt RFC 2531]). XIF file header may contain ascii <code>XEROX DIFF</code> or <code>eXtended</code><ref>https://files.transtutors.com/cdn/uploadassignments/3103417_1_guide-to-computer-forensics-and-investigations-------pg-384--407---1-.pdf#page=11</ref>.
+Evidence suggests there is an ASCII signature at offset 8. The signature can be either "{{magic|XEROX DIFF}}", or "{{magic|&nbsp;eXtended&nbsp;}}"<ref>https://files.transtutors.com/cdn/uploadassignments/3103417_1_guide-to-computer-forensics-and-investigations-------pg-384--407---1-.pdf#page=11</ref> (with the leading and trailing space).
 == Disambiguation ==
@@ Line 32: / Line 39: @@
 * [https://web.archive.org/web/20070309181800/http://www.scantips.com/pagis_xp.html scantips.com: Access existing XIF Files from Windows XP (archived)]
 * [[Wikipedia: Nuance Communications]]
-* [https://www.ietf.org/rfc/rfc2301.txt RFC 2301 File Format for Internet Fax specifications]
+* RFC 2301: File Format for Internet Fax specifications
 == References ==