Sentinel HL Pro

The ideal solution for component licensing where only a small number of product features are required.

Sentinel HL ProSentinel HL Pro is a comprehensive software protection solution for a variety of purposes including read/write memory and read only memory protection. A single Sentinel HL Pro allows you to protect up to 39 distinct features or applications.

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Sentinel HL Pro 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


Data Retention

At Least 10 Years

Write Cycles (EEPROM)

At Least 1,000,000

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

11-39 (depending on license complexity)

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

11-39 (depending on license complexity)

Physical Specifications

Default Color


Form Factor


Operating Temperature

-25˚C to 85˚C

-13˚F to 185˚F

Humidity Rating


Power consumption - operating / standby

50mA / < 0.5mA

Dimensions L x W x H (in mm)

40.5 X 16 X 8

Weight (in grams)


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.
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Benefits at a glance:
  • Backwards compatibility – 100% compatible with your existing Sentinel HASP HL and Sentinel SuperPro hardware.
  • 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 39 features or applications
  • 224Bytes Protected memory
  • Sentinel V-Clock for secure time-based licensing (requires additional license)
  • Concurrent licensing support (requires ISV to purchase a pre-paid pool of network seats)
  • Available Configurations: Sentinel HASP HL, Sentinel SuperPro, Driverless
  • AppOnChip compatible (requires a paid upgrade)
  • Firmware upgradable in the field
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