It highlights the different components of the system as well as describes the license request process. The emphasis is on the Flexible License Manager (FLEXlm) system. This mechanism falls into the software-based protection category.
#HACK FLEXLM LICENSE MANAGER PORT LICENSE KEY#
1 FLOATING LICENSE MANAGEMENT A REVIEW OF FLEXlm PREPARED BY: SALYS SULTAN June 30 th, 2006Ģ Table of Contents ABSTRACT INTRODUCTION LICENSING POLICIES 5 NODE-LOCKING USER-BASED LICENSING 5 5 SITE LICENSING 5 NETWORK LICENSING LICENSE MANAGEMENT FLEXLM, FLEXIBLE LICENSE MANAGER OVERVIEW COMPONENTS License Manager Daemon ( lmgrd ) 8 9 Vendor Daemon License File 9 10 Client Application Program 2.4 THE LICENSE FILE SERVER lines DAEMON lines FEATURE lines 2.5 LICENSE FILE TYPES THE OPTIONS FILE FLEXLM STANDARD ENCRYPTION ALGORITHM HOW IT ALL WORKS? SEED HIDING SYSTEM FLEXLM THE OTHER SIDE LIMITATIONS 3.2 THE REVERSING Generating the license key that belongs in the license file Disabling Verification Emulating the Vendor Daemon 20 Extraction of seeds FLEXlm protected targets 21 Decryption of FLEXCrypted Files WHERE ARE THEY NOW? RELATED TECHNOLOGIES AUTO-X 4.2 HASP HL NET USB KEY IBM LICENSE USE MANAGEMENT (LUM) RECOMMENDATIONS SUMMARY 25 BIBLIOGRAPHY 25ģ Abstract This paper presents an overview of license management that is used for the protection of software products.
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