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dmg (for example edit the ist like shown in the video). Your are now able to browse and edit the. Click on 'convert' and choose 'read/write' and 'without' in the encryption tab.
- Right click on it and open it with hdd utility.
- dmg will be created in the vfdecrypt folder under the name 'rootfs.dmg'
- Open Terminal, cd (switch) to the vfdecrypt folder by typing in 'cd' with the key for the firmware you want to edit.
- dmg you want to decrypt in the vfdecrypt folder
- Disconnect your iPhone from your computer.
- Confirm that the backup was successful by selecting 'Preferences' from the main iTunes menu, clicking the 'Devices' tab, and then making sure that the time and date next to your iPhone's entry correspond to when you finished the backup.
- Select 'This Computer' in the Backups section, and then click 'Back Up Now.' ITunes backs up your entire iPhone, including iOS, to the hard drive.
- Click the button for your device near the upper-right corner of the iTunes screen, and then click the 'Summary' tab if it isn't already selected.
- Start iTunes on your computer, and then connect your iPhone to your computer using its sync cable.
- For beta versions, check the VFDecrypt Keys page instead.
- Download an iPhone or iPad firmware that matches your simulator version and make sure that there is a VFDecrypt Key by checking the corresponding Build column.
- """.VFDecrypt Usage: How to decrypt and mount an iOS firmware dump( output, file)Įlif outtype = 1: file. If verbose: print( "Getting keys for " + k) Maxlen = max( maxlen, len( k) + ( 4 if "SEP" in k else 3))įor k, v in identity. If k = "RestoreSEP" or k = "RestoreDeviceTree": continue Print( "Error: Could not find restore identity for CPID " + cpid + " and BDID " + bdid + " in manifest") Identity = next( item for item in manifest if item = "0x" + cpid and item = "0x" + bdid and item = "Erase") AES_GID_KEY)ĭef extractKeys( infile, outfile, outtype = 0, delete = False, infodict = None): If verbose: print( "Decrypting key with device GID") Keyenc = asn1_get_value_of_type( kbag, asn1_node_next( kbag, dec), 'OCTET STRING') Ivenc = asn1_get_value_of_type( kbag, dec, 'OCTET STRING')
If verbose: print( "Reading values from kbag") Kbag = asn1_get_value_of_type( der, asn1_node_next( der, dec), 'OCTET STRING')ĭec = asn1_node_next( kbag, asn1_node_first_child( kbag, asn1_node_first_child( kbag, asn1_node_root( kbag)))) # is true if one ASN1 chunk is inside another chunk.ĭef asn1_node_is_child_of(( ixs, ixf, ixl), ( jxs, jxf, jxl)):
Raise ValueError( 'Error: can only open constructed types. # opens the container (ixs,ixf,ixl) and returns the first ASN1 insideĭef asn1_node_first_child( der, ( ixs, ixf, ixl)): # gets the next ASN1 structure following (ixs,ixf,ixl)ĭef asn1_node_next( der, ( ixs, ixf, ixl)): # The following 4 functions are all you need to parse an ASN1 structure