Sentinel HL Drive microSD

Licensing Flexibility Meets Portability

Sentinel HL Drive microSDThe Sentinel HL 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.
View Specifications Resource Library

Sentinel HL Drive microSD technical specifications:


Unique 32-Bit 


Secure Communication Channel


AES 128-Bit Encryption


Remote Update - RSA Digital   Signature


64,000 Encryption Keys



Flash Memory

Supports microSD card upto 64GB

Protected Read / Write Memory


Read Only Memory (ROM)


Backwards Compatibility Memory


Dynamic memory


Data Retention

At Least 10 Years

Write Cycles (EEPROM / Flash

At Least 1,000,000/10,000

Max. licensable modules (Features) per key

240-2160 (depending on license complexity)

Flash (Read / Write) per second

depends on microSD card

Physical Specifications

Default Color


Form Factor


Operating Temperature

0˚C to 60˚C

32˚F to 140˚F

Humidity Rating


Power consumption - operating / standby

200mA Typical

Dimensions L x W x H (in mm)

52 X 16 X 8

Weight (in grams)


  • 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. Gemalto 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!
  • For detailed technical information on the various Sentinel HL keys, read our data sheet .
View Features and Benefits Resource Library
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, Sentinel SuperPro, Hardlock and Driverless
  • AppOnChip compatible
  • Firmware upgradable in the field
View How To Buy Resource Library

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