Looking for a simple reliable solution to secure the information stored in your Flash drive, Flash media, USB hard drive, or optical media? The CipherUSB may just be the answer.

Securing data on USB hard drive, flash drive or flash card

The CipherUSB is a small USB pass through adapter that encrypts data stored inside any USB drive (Thumb drive, USB hard drive or any Flash card inserted into a USB reader). Installation is easy. Simply plug the CipherUSB adapter into any USB port and the USB drive to the back of the CipherUSB adapter, the drive appears in the computer in a few seconds and is ready for use just like any ordinary USB drive. All the data written to the USB drive is automatically encrypted on the fly with the military grade AES 256-bit hardware encryption via a FIPS certified crypto engine . The operation is as simple as using a key to start your car. There is no software or driver to install and no password to remember. There is no measurable performance difference on your USB drive and all your software works the same as before. Since there is no software or password needed to operate the CipherUSB adapter, the encrypted USB drive can be used on any system so long as you have the CipherUSB adapter with you.

Securing data in Blu-Ray, DVD or CD disc

The CipherUSB can also encrypt data written onto the Blu-Ray, DVD or CD disc. Again simply plug the CipherUSB adapter into any USB port and the USB Blu-Ray burner or DVD/CD burner to the back of the CipherUSB adapter. Once the drive shows up in your computer, you then launch your familiar burning software. Any data burnt onto the BD, DVD or CD media is automatically encrypted with the AES 256-bit encryption. Again there is no special expensive software to run or training required. You can have encrypted data and standard data burnt onto the same disc by using multi-session burning mode. The encrypted data stored in the disc can only be accessed with the correctly coded CipherUSB in place. Without it, the encrypted session of data will not be visible.

Starting now, the CipherUSB comes in a new Tamper Evident housing which prevents the opening of the unit without  destroying the plastic housing. 


Daisy chaning of multiple CipherUSB (CBC mode*)

The AES 256-bit encryption inside the CipherUSB adapter is considered  the highest level of encryption standard there is, secure enough to protect classified information designated as Top Secret. It is theorectically impossible to penetrate the encryption of a single CipherUSB. You can raise the security level to a more complex level by simply daisy chaining two or more CipherUSB. There is no limit as to the number of CipherUSB that can be linked together in this set-up. The daisy chaining of two or more CipherUSB adapters will raise security to another level when a different person controls each CipherUSB. 


Combining CipherUSB with other Addonics Diamond Cipher and Ruby Cipher hard drive

CipherUSB is compatible with any USB mass storage devices. So it can be used in combination with the Diamond Cipher and Ruby Cipher USB drive. This combination will also raise the standard AES-256 bit encryption to another higher level that is practically impenetrable, similar to daisy chaining of two or more CipherUSB adapters,  


Absolute security

Come in size of a typical thumb drive, the CipherUSB adapter is designed to be powered directly from the USB port. Each CipherUSB adapter comes with a code utility for you to program your own data encryption key through a recovery password. This can be up to 32 characters long with a complex combination of alphabets, numbers and special characters. The recovery password is then secured with AES 256-bit encryption and stored inside the CipherUSB adapter. If the encrypted USB drive or media is lost or stolen, the data in the USB drive or the media is absolutely inaccessible.

The CipherUSB is a full disk encryption solution which encrypts everything in the drive or the flash media, including the MBR and partition table. When a CipherUSB encrypted drive is attached directly to a USB port without the CipherUSB adapter, the drive will show up as a blank drive. The CipherUSB encrypted BD, DVD or CD discs will not be visible when the disks are loaded to any optical drive without the presence of the CipherUSB. There is no possibility for anyone to gain access to the encrypted data without using the matching CipherUSB adapter. The CipherUSB leaves no trace of any cipher code in RAM or any part of the computer. And since there is no password entered into the computer to operate the CipherUSB, there is absolutely nothing to hack into.

What if the CipherUSB adapter is lost or damaged? You can always purchase another CipherUSB adapter and program it with the same recovery password as you have in your old CipherUSB adapter. Remember this solution is designed for absolute security. So there is no back door if you do not remember your recovery password. It is important that you keep your recovery password or an extra CipherUSB somewhere safe in case of a disaster.


*CBC mode - Cipher Block Chaining, is a confidentiality mode whose encryption process features the combining ("chaining") of the plaintext blocks with the previous cipher text blocks. In addition to using a given DEK (Data Encryption Key). The security level of a CBC implementation is quadruple trillions times more than that of a single CipherUSB.

2012-04-05 CipherUSB product review

 CipherUSB's low price and simplicity make it a great choice for managing encrypted storage. You can use it to protect anything from a single thumb drive to an office full of removable hard drives. CipherUSB has earned the status of Editors' Choice for hardware-based security..

View article

2012-06-25 CipherUSB Gold Silicon Award
The solution as a whole is easier to use and more user friendly then other data encryption solutions...This would be an appealing solution for business people who travel, and may need to use multiple laptops, desktops, or tablets to present data on drives.

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2012-11-19 CipherUSB holiday gift

"...for $30? Indeed, this product is one of the biggest bargains out there, and a great gift for your friends in the intelligence community - or anyone looking for a little security for data on the go. Highly recommended!"

View article

  • Full disk encryption for any USB mass storage device - USB flash drive (Thumb drive), USB hard drive, any flash media via a USB card reader/writer
  • Encrypt data or image burnt onto Blu-Ray, DVD or CD disc (1). Using multi-session mode (2), encrypted and unencrypted data can be stored onto the same disc
  • Size of a typical USB flash drive
  • Military strength AES 256-bit hardware encryption
  • FIPS certified crypto engine from Enova
  • Full disk encryption - encrypts everything including boot sector and partition table of the drive. The USB drive has to be initiated and formatted with the CipherUSB adapter first. So drive or flash media with existing data must be first back up and the data be transferred back to the drive or flash media after initialized by the CipherUSB adapter
  • No software or driver to install and no special training is required
  • Windows and Mac utility to program your own password or Cipher code
  • Tamper Evident housing
  • Cipher code is stored inside the CipherUSB with AES 256-bit encryption
  • Direct power from USB port
  • USB 2.0/1.1 compliance
  • RoHS Compliant
  • Operating System independent and compatible with any computer that supports USB mass storage device



1. This function has been confirmed on all the Addonics brand of USB Blu-Ray and DVD/CD burners on Windows 7, XP and Fedora 16. Burning software used in the testing includeds Windows 7 image burn utility, Nero Express 8.0, Nero Essential 9, Image Burn (freewaare),  Burrrn (freeware) and Brasero (Linux burning utility).

Following is a list of optical drive models tested: WH12LS39, GH22NS90, CT21N, CH08LS10, GBW-T10N, GH22NS50

It is not possible for us test all different burning software and models of optical drive out in the market. With optical drive, there is always possibility of incompaibility with certain burning software and computer hardware.

2. Only one encrypted and one non-encrypted session can be mixed on the same optical disc.

  • Support drive type - any USB mass storage device
  • Supported optical media - Blu-Ray (BD), DVD or CD
  • Interface Type: USB 3.0 / 2.0
  • Maximum throughput: USB 2.0 - 480 Mbps
  • Connectors: 
    • USB type A male for host 
    • USB type A female for device
  • Security:
    • Full disk AES 256-bit encryption via a hardware-based NIST certified cryptographic AES engine from Enova
  • Agency approval:
    • FCC, CE
  • Supported OS: any Operating System with built-in support for USB mass storage 
  • Power consumption: ~100 mA @5V, directly powered from USB port*
  • Dimensions (L x W x H): 60 x 20 x 10 mm / 2.36 x .79 x .39 in.
  • Weight: 10 gm / .35 oz
  • Operating Temperature: Range: 0 to +50C
  • Operating Humidity: 5% to 95% RH (non-condensing)
  • Storage Temperature: Range: -30 to +60C
  • Storage Humidity: 5% to 90% RH
  • Warranty: One Year
  • RoHS compliant


* most of USB self powered card reader should not be affected by the CipherUSB. Some USB hard drives may fail to be directly powered from the USB port with the additional power to operate the CipherUSB. In that case, an external power adapter is need to power the USB hard drive.

System Requirements

  • PC/AT or Compatible System
  • USB port
  • Pentium II or Greater
  • Minimum 64 MB RAM
  • Any Operating System with built-in USB mass storage support


CA256USB - (CipherUSB FDE, ECB mode)
Content: CipherUSB FDE ECB with hardware authentication - Full Disk Encryption in AES-256-bit ECB mode, Software CD and user guide
Price: 29.95


AAU3AMF6 (USB 3.0 type A M-F cable, 15 cm.)
AAU3AMF6 USB 3.0 type A male to femal extension cable, 15 cm. Full compliance with USB 3.0 specification. Work with USB 3.0, 2.0 or 1.1 port.
Price: 3.99
Content: Pocket UDD, 6-foot USIB-USB 2.0 interface cable (AAUSBC-309), user guide.
Price: 60.00
AESDDNU3 (Mini DigiDrive IV)
Mini DigiDrive IV , one 2 feet USB 3.0 connecting cable, software driver CD, installation guide,
Price: 22.95
ADESPCFT (eSATAp CFast Memory Adapter)
Content: eSATAp CFast Card Reader/Writer, 1 foot eSATAp cable (AAESATAP30C, 3 foot USB-A to mini USB power cable (AAUSB2-MIN3F) and user guide
Price: 39.99
DSAEDEU3 (Diamond ExDrive, eSATA/ USB 3.0/2.0)
Package content: Diamond SATA Drive Enclosure (DSACSB), power adapter (AAPAC512-US), USB 3.0 - eSATA mini adapter (ADU3ESAM), eSATA-eSATA data cable 6ft (AAESATA200C), user guide
Price: 69.95
Applies to:
CipherUSB Utility version 1.1.0 for Mac
Applies to: CA256USB

Mac version of the CipherUSB utility. Requires 32-bit MacOS X. Check "About This Mac" then "More Info." If "64-bit kernel and extensions" is "yes" reboot the Mac while holding the "3" and "2" keys before running this program.

CipherUSB password utility for Windows OS
Applies to: CA256USB

Software utility for initialization or changing the recovery password of the CipherUSB