Truecrypt keyfile12/16/2023 Check the Use keyfiles option and click Keyfiles. These control elements appear in various dialog windows and always have the same functions. “apply” them) when creating or mounting volumes, or changing passwords, look for the ‘ Use keyfiles’ option and the Keyfiles button below a password input field. See also the section Choosing Passwords and Keyfiles in the chapter Security Requirements and Precautions. To prevent this, click ‘ Wipe Cache’ or disable password caching (for more information, please see the section Settings -> Preferences, subsection Cache passwords in driver memory). Then it is possible to remount the volume even if the keyfile is not available/accessible. WARNING: If password caching is enabled, the password cache also contains the processed contents of keyfiles used to successfully mount a volume. WARNING: If you lose a keyfile or if any bit of its first 1024 kilobytes changes, it will be impossible to mount volumes that use the keyfile! Note: Keyfiles are currently not supported for system encryption. To do so, select Tools -> Keyfile Generator. You can also let TrueCrypt generate a file with random content and use it as a keyfile. You can select more than one keyfile the order does not matter. Note that TrueCrypt never modifies the keyfile contents. avi) can be used as a TrueCrypt keyfile (however, we recommend that you prefer compressed files, such as. Allows managing multi-user shared access (all keyfile holders must present their keyfiles before a volume can be mounted).Īny kind of file (for example.Just give each user a security token or smart card containing the same TrueCrypt keyfile and let them choose their personal password or PIN that will protect their security token or smart card. Allows multiple users to mount a single volume using different user passwords or PINs.Allows the use of security tokens and smart cards (see below).May improve protection against brute force attacks (significant particularly if the volume password is not very strong).However, using keyfiles has some advantages: Until the correct keyfile is provided, no volume that uses the keyfile can be mounted. The keyfile will be deleted from the iOS keychain.Keyfile is a file whose content is combined with a password (for information on the method used to combine a keyfile with password, see the chapter Technical Details, section Keyfiles). If you want to delete a keyfile from Disk Decipher, simply swipe from right to left on the keyfile you want to delete, and tap the Delete button that is presented. You can also import multiple keyfiles in one operation by using the multiple select featureĪfter importing a keyfile, you can use the keyfile by simply selecting it when mounting a TrueCrypt/VeraCrypt container. TrueCrypt/VeraCrypt keyfiles are hashed using the TrueCrypt/VeraCrypt keyfile algorithm, the resulting 512-bit hash is stored in the iOS keychain. Open the context menu on the keyfile (long press on iOS, right click on macOS) and select "Import Keyfile".ĭisk Decipher uses the iOS keychain to store the keyfile. To transfer your keyfile encrypted to Disk Decipher, store the keyfile inside a TrueCrypt/VeraCrypt container and open the container inside Disk Decipher. To use a keyfile, the keyfile first needs to be imported into Disk Decipher. If you need keyfile support for other disk formats (FreeOTFE, LUKS) let me know. Version 1.9 adds TrueCrypt and VeraCrypt keyfile support to Disk Decipher.
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