Sentinel HL Max - Board Form Factor

Flawless integration into existing hardware with ease of memory programming

Sentinel HL Board

Sentinel HL Max in Board form factor is the ideal solution for protecting and licensing software running on embedded systems without having the need to spend time and efforts on hardware circuit design and testing. The Sentinel HL Board furnishes software publishers with the capability to use it by simply plugging into their device’s mother board. 

A complete board licensing solution that flawlessly integrates into your existing hardware facilitating memory programming for software publishers.

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Sentinel HL Max technical specifications:


Unique 32-Bit 


Secure Communication Channel


AES 128-Bit Encryption


Remote Update - RSA Digital   Signature


64,000 Encryption Keys



Protected Read / Write Memory


Read Only Memory (ROM)


Backwards Compatibility Memory


Additional memory (coming up in Driverless configuration)


Data Retention

At Least 10 Years

Write Cycles (EEPROM / Flash

At Least 1,000,000/10,000

Max. licensable modules (Features) per key - Driverless Configuration

240-2160 (depending on license complexity)

Physical Specifications

Form Factor


Operating Temperature

-25˚C to 85˚C

-13˚F to 185˚F

Humidity Rating


Power consumption - operating / standby

20mA / <0.5mA

Dimensions LxWxH (in mm)

15.2 x 8 x 12.4


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.
  • Future proof – Add future functionality and enhancements to in-the-field deployed keys using our unique UpdateOnChip™ mechanism.
  • Memory programming – Provides flawless experience of memory programming.

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
  • 31KB Protected memory
  • Sentinel V-Clock for secure time-based licensing
  • Concurrent licensing support (requires ISV to purchase a pre-paid pool of network seats)
  • Board Form Factor: 15.2 x 8 x 12.4mm
  • Connector: Socket, Pitch 2.54mm, 5 x 2Row
  • ESD Protection to 6000V of USB interface pin
  • Available Configurations: Driverless
  • AppOnChip compatible
  • Firmware upgradable in the field
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