Beginner's Tutorial

System Encryption

 Supported Systems

 Hidden Operating System

 Rescue Disk

Plausible Deniability

 Hidden Volume

  Protection of Hidden Vol.

  Security Requirements

 Hidden Operating System



Hardware Acceleration

Encryption Algorithms





Hash Algorithms




Technical Details


 Encryption Scheme

 Modes of Operation

 Header Key Derivation

 Random Number Gen.


 Volume Format Spec.

 Standards Compliance

 Source Code

TrueCrypt Volume

 Creating New Volumes

 Favorite Volumes

 System Favorite Volumes

Main Program Window

 Program Menu

 Mounting Volumes

Supported Systems

Portable Mode


Tokens & Smart Cards

Language Packs

Hot Keys

Security Model

Security Requirements

 Data Leaks

  Paging File

  Hibernation File

  Memory Dump Files

 Unencrypted Data in RAM

 Physical Security


 Multi-User Environment

 Authenticity and Integrity

 New Passwords & Keyfiles

 Password/Keyfile Change

 Trim Operation


 Reallocated Sectors


 Journaling File Systems

 Volume Clones

 Additional Requirements

Command Line Usage

Backing Up Securely


 Use Without Admin Rights

 Sharing over Network

 Background Task

 Removable Medium Vol.

 TrueCrypt System Files

 Removing Encryption

 Uninstalling TrueCrypt

 Digital Signatures



Issues and Limitations


Future Development


Version History



Miscellaneous >  Sharing over Network Search


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Sharing over Network

If there is a need to access a single TrueCrypt volume simultaneously from multiple operating systems, there are two options:

  1. A TrueCrypt volume is mounted only on a single computer (for example, on a server) and only the content of the mounted TrueCrypt volume (i.e., the file system within the TrueCrypt volume) is shared over a network. Users on other computers or systems will not mount the volume (it is already mounted on the server).

    Advantages: All users can write data to the TrueCrypt volume. The shared volume may be both file-hosted and partition/device-hosted.

    Disadvantage: Data sent over the network will not be encrypted. However, it is still possible to encrypt it using e.g. SSL, TLS, VPN, or other technologies.

    Remarks: Note that, when you restart the system, the network share will be automatically restored only if the volume is a system favorite volume or an encrypted system partition/drive (for information on how to configure a volume as a system favorite volume, see the chapter System Favorite Volumes).

  2. A dismounted TrueCrypt file container is stored on a single computer (for example, on a server). This encrypted file is shared over a network. Users on other computers or systems will locally mount the shared file. Thus, the volume will be mounted simultaneously under multiple operating systems.

    Advantage: Data sent over the network will be encrypted (however, it is still recommended to encrypt it using e.g. SSL, TLS, VPN, or other appropriate technologies to make traffic analysis more difficult and to preserve the integrity of the data).

    Disadvantages: The shared volume may be only file-hosted (not partition/device-hosted). The volume must be mounted in read-only mode under each of the systems (see the section Mount Options for information on how to mount a volume in read-only mode). Note that this requirement applies to unencrypted volumes too. One of the reasons is, for example, the fact that data read from a conventional file system under one OS while the file system is being modified by another OS might be inconsistent (which could result in data corruption).

   See also: Using TrueCrypt without Administrator Privileges

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