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Difference between revisions of "Disk Image Formats"
(New page: iPhone firmeware (ipsw) files contain .dmg disk images. The file system .dmg disk image (the largest .dmg file) is decrypted to an UDZO .dmg disk image. == UDZO Image Format == The UD...) |
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| − | iPhone firmeware (ipsw) files contain .dmg disk images. |
+ | iPhone firmeware (ipsw) files contain .dmg disk images beside other files. |
The file system .dmg disk image (the largest .dmg file) is decrypted to an UDZO .dmg disk image. |
The file system .dmg disk image (the largest .dmg file) is decrypted to an UDZO .dmg disk image. |
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Revision as of 15:20, 15 July 2009
iPhone firmeware (ipsw) files contain .dmg disk images beside other files.
The file system .dmg disk image (the largest .dmg file) is decrypted to an UDZO .dmg disk image.
UDZO Image Format
The UDZO Image is an UDIF zlib-compressed read-only image which can natively be mounted on Mac OS X. UDZO Images can be converted to read/write UDRW Images with the hdiutil on Mac OSX.
hdiutil convert -format UDRW -o udrw.dmg udzo.dmg
UDRW Image Format
The UDRW Image is an UDIF read/write image which can be natively mounted on Mac OS X. UDRW Images can be converted to zlib-compressed read-only UDZO Images with the hdiutil on Mac OSX.
hdiutil convert -format UDZO udrw.dmg -o udzo.dmg
The resulted UDZO Image file can be checked with asr -imagescan udzo.dmg
