Odttf
Encyclopedia
ODTTF is an embedded font file type used in Microsoft
's XML Paper Specification
(XPS) and Microsoft Office 2007
formats. The file type refers to an obfuscated subsetted font based on the fonts used in the original document.
The files can be extracted from the doc by renaming the files to ZIP
, so the archive can be browsed and extracted (e.g.: rename cv.docx -> cv.zip)
The Microsoft assigned MIME type is
application/vnd.ms-package.obfuscated-opentype.
According to the source code of Okular
(see function parseGUID and method XpsFile::loadFontByName)http://websvn.kde.org/trunk/KDE/kdegraphics/okular/generators/xps/generator_xps.cpp?revision=784473&view=markup, the first 32 bytes of the font file are encoded using the font file name (GUID string) and a list of 32 magic numbers.
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...
's XML Paper Specification
XML Paper Specification
Open XML Paper Specification , is an open specification for a page description language and a fixed-document format originally developed by Microsoft as XML Paper Specification that was later standardized by Ecma International as international standard ECMA-388...
(XPS) and Microsoft Office 2007
Microsoft Office 2007
Microsoft Office 2007 is a Windows version of the Microsoft Office System, Microsoft's productivity suite. Formerly known as Office 12 in the initial stages of its beta cycle, it was released to volume license customers on November 30, 2006 and made available to retail customers on January 30, 2007...
formats. The file type refers to an obfuscated subsetted font based on the fonts used in the original document.
The files can be extracted from the doc by renaming the files to ZIP
ZIP (file format)
Zip is a file format used for data compression and archiving. A zip file contains one or more files that have been compressed, to reduce file size, or stored as is...
, so the archive can be browsed and extracted (e.g.: rename cv.docx -> cv.zip)
The Microsoft assigned MIME type is
application/vnd.ms-package.obfuscated-opentype.
According to the source code of Okular
Okular
Okular is the document viewer for KDE SC 4 . It is based on KPDF and it replaced KPDF, KGhostView, KFax, KFaxview and KDVI in KDE 4.Its functionality can be easily embedded in other applications....
(see function parseGUID and method XpsFile::loadFontByName)http://websvn.kde.org/trunk/KDE/kdegraphics/okular/generators/xps/generator_xps.cpp?revision=784473&view=markup, the first 32 bytes of the font file are encoded using the font file name (GUID string) and a list of 32 magic numbers.