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Added extract-key info to main docs

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Pavel Kirkovsky 2021-07-23 03:46:48 -07:00
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docs/ios/backup/check.md
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The backup might take some time. It is best to make sure the phone remains unlocked during the backup process. Afterwards, a new folder will be created under the path you specified using the UDID of the iPhone you backed up. The backup might take some time. It is best to make sure the phone remains unlocked during the backup process. Afterwards, a new folder will be created under the path you specified using the UDID of the iPhone you backed up.
## Extracting and saving the decryption key (optional)
If you do not wish to enter a password every time when decrypting a backup, MVT can accept a key file instead. This key can be used with the `decrypt-backup` command.
To generate a key file, you will need your device backup and the backup password:
$ mvt-ios extract-key --help
Usage: mvt-ios extract-key [OPTIONS] BACKUP_PATH
Extract decryption key from an iTunes backup
Options:
-p, --password TEXT Password to use to decrypt the backup [required]
-k, --key-file FILE Key file to be written (if unset, will print to STDOUT)
--help Show this message and exit.
You can specify the password on the command line, or omit the `-p` option to have MVT prompt for a password. The `-k` option specifies where to save the file containing the decryption key. If `-k` is omitted, MVT will display the decryption key without saving.
_Note_: This decryption key is sensitive data! Keep the file safe.
To extract the key and have MVT prompt for a password:
```bash
mvt-ios extract-key -k /path/to/save/key /path/to/backup
```
## Decrypting a backup ## Decrypting a backup
In case you have an encrypted backup, you will need to decrypt it first. This can be done with `mvt-ios` as well: In case you have an encrypted backup, you will need to decrypt it first. This can be done with `mvt-ios` as well:
@ -25,7 +51,7 @@ In case you have an encrypted backup, you will need to decrypt it first. This ca
--help Show this message and exit. --help Show this message and exit.
You can specify either a password via command-line or pass a key file, and you need to specify a destination path where the decrypted backup will be stored. Following is an example usage of `decrypt-backup`: You can specify either a password via command-line or pass a key file, and you need to specify a destination path where the decrypted backup will be stored. If `-p` is omitted, MVT will ask for a password. Following is an example usage of `decrypt-backup`:
```bash ```bash
mvt-ios decrypt-backup -p password -d /path/to/decrypted /path/to/backup mvt-ios decrypt-backup -p password -d /path/to/decrypted /path/to/backup