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DRM - PowerPoint PPT Presentation


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DRM. History. Began since the 70’s Originally started on Floppys Ruined Value of Software Software touted being not copy protected. Off-Disk Protection. Codewords Code Wheels Manual Reference Difficult to copy sheets. Dongles. Back to On Disk. Advance of CDs

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Presentation Transcript
history
History
  • Began since the 70’s
  • Originally started on Floppys
  • Ruined Value of Software
  • Software touted being not copy protected.
off disk protection
Off-Disk Protection
  • Codewords
  • Code Wheels
  • Manual Reference
  • Difficult to copy sheets.
  • Dongles
back to on disk
Back to On Disk
  • Advance of CDs
  • Burners were expensive, as were CDs
  • False TOCs
  • False Files
to off disk again
To Off Disk Again
  • CD Keys
  • Couldn’t use updating or online software features
  • Unique to the program.
  • Gave with the software.
  • Later had limited usage
software solutions pt 1
Software Solutions Pt 1
  • Safedisc
    • Basic check for CD
    • Easily broken
  • Securom
    • More Aggressive software
    • May not work with virtual drives
    • Took longer to crack.
software solutions pt 2
Software Solutions Pt. 2
  • Starforce
    • Most aggressive of Software solutions
    • Claimed to cause damage to computers.
    • Difficult to remove from computer
    • Claimed to have rootkits
    • Massive backlash by users.
modern drm pt 1
Modern DRM Pt. 1
  • DEGRADE / Altering
    • Alters the program during runtime
    • Subtle and hidden
    • Seems like a bug
    • Eventually becomes unusable.
    • Primarily in video games
modern drm pt 2
Modern DRM Pt. 2
  • Limited Activation
    • Disallows the keys from being authorized X times.
    • Difficult to Revoke
    • Can sometimes be overly aggressive.
    • Changes in hardware can cause a new authorization
modern drm pt 3
Modern DRM Pt. 3
  • Online Only Usage
    • Requires internet connectivity to function
    • Program authorizes at all times.
    • Can cause lag in personal usage elements
    • Loss of internet can cause loss of program usage.
modern drm pt 4
Modern DRM Pt. 4
  • Online Distribution
    • Requires the Internet to receive Program
    • Usually requires the internet to start program
    • Some have offline mode
    • Distributer holds onto software license.
    • Sometimes has secondary DRM
pros and cons
Pros and Cons
  • Pro
    • Protects Software
    • Prevents Illegal Copying
  • Con
    • Overly Aggressive DRM can hurt consumer
    • Can prevent actual usage of program.
future of drm
Future of DRM
  • Cloud Based DRM
    • Subscription Fees.
    • What if the server goes down?
    • What is the user purchasing?