Banner Default Image

Sentinel HL Drive microSD

Licensing Flexibility Meets Portability

Sentinel HL Drive microSD

Drive microSD key offers a set of unique features for both software vendors and end-users alike:

Software vendor tools:

  • Powerful copy protection and licensing capabilities.
  • Distribute software licenses with a new hardware key which can hold a large amount of data (in GBs) on the flash memory of the key.
  • Unique combined solution by consolidating the content distribution i.e. allowing you to protect and distribute all content with a single medium i.e. Sentinel HL Drive microSD key.
  • Upto 64GB flash memory as standard to meet your specific market need and personal requirements.

End-users tools:

  • Completely removes the need of any additional installations to be done, including the device drivers for the license key.
  • Saving files onto the Sentinel HL Drive microSD key completely removes the need of optical discs and online connectivity which might be required for activating the protected software.
  • Benefit from full portability without comprising on security.

Download Your Sentinel LDK Free Trial

  • Tech Specs
  • Features & Benefits
  • Sentinel LDK Protection Types

Sentinel HL Drive microSD technical specifications:


Unique 32-BitYes

Secure Communication ChannelYes

AES 128-Bit EncryptionYes

Remote Update - RSA Digital SignatureYes

64,000 Encryption KeysYes


Flash MemorySupports microSD card up to 64GB

Protected Read / Write Memory4KB

Read Only Memory (ROM)2KB

Backwards Compatibility Memory4KB

Dynamic Memory25KB

Data RetentionAt Least 10 Years

Write Cycles (EEPROM/Flash)At Least 1,000,000/10,000

Max. licensable modules (Features) per key - Driverless Configuration240-2160 (depending on license complexity)

Flash (Read/Write) per secondDepends on microSD card

Physical Specifications

Default ColorGreen

Form FactorMidi

Operating Temperature0˚C to 60˚C
32˚F to 140˚F

Humidity Rating0-95%

Power consumption - operating / standby200mA Typical

Dimensions L x W x H (in mm)52 X 16 X 8

Weight (in grams)6.98

Sentinel HL Drive microSD keys are tested with microSD cards ranging in size from 2GB to 64GB and manufactured by various brands, including SanDisk, Lexar, Transcend and others. Thales expects any cards that comply with the microSD specifications to be compatible. For more information on each of the Sentinel HL form factors including features, sizing, and technical specifications please visit the newly created Sentinel HL portion of the Sentinel Customer Community today!

Benefits at a glance:

  • Increased Security – All Sentinel HL hardware-based protection keys employ a highly secure SmartCard chip providing the utmost security against malicious hardware attacks such Differential Power Analysis (DPA) and electron microscopy.
  • Highly Customizable – Provides more real estate for the purpose of a personalized logo or text.
  • Future proof – add future functionality and enhancements to in-the-field deployed keys using our unique UpdateOnChip™ mechanism.

Technical Features:

  • Industry pioneering White-box cryptography
  • High performance SmartCard chip allowing faster software execution and improved operational efficiency
  • Standard public cryptography algorithms AES 128,ECC 163, RSA 2048
  • Over 64,000 AES encryption keys
  • Protect over 2000 features or applications
  • Sentinel V-Clock for secure time-based licensing
  • Concurrent licensing support (requires ISV to purchase a pre-paid pool of network seats)
  • 31KB Protected memory, up to 64GB Flash Memory
  • Available Configurations: Sentinel HASP HL, Hardlock, Sentinel SuperPro and Driverless
  • AppOnChip compatible for 32-bit and 64-bit Windows binaries
  • Firmware upgradable in the field