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“An Optimized Secure Embedded DRM”

INKA NED (Netsync Embedded DRM) is a secure embedded DRM optimized for the protection of digital contents in portable device environment.

■ Key Features
An optimized secure embedded DRM
  • NED has optimized for small code size, so it can be easily deployed to portable devices.
  • NED has adopted an optimized cipher algorithm for real-time data decryption.
  • NED does not require an additional increase of CPU clock.
  • NED could be applicable to 8-bit CPU chipsets and hardly affects the battery duration in portable devices.
  • NED could support various playback functions of encrypted files such as play, fast forward, fast rewind by using a real-time decryption of arbitrary section.
  • NED supports all types of files including various audio and video formats such as MP3, WMA, WMV, MPEG, OGG and etc.
  • NED supports various Usage-Rules such as usage period constraints, count constraints and a flat monthly fee service, etc.
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    Support ND(Next Disc) and LMS(Learning Management System) service
  • NED provides the function to be able to interface securely to ND card, next-generation storage media developed by INKA.
  • NED provides the function to store and manage the usage-log information of contents for the LMS (Learning Management System) service
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    Support NED Export
  • NED provides the Export function which can export NED contents to OMA DRM, WMDRM or Legacy DRM.
  • Through the NED Export function, NED contents can be used in mobile phone supporting the OMA DRM or other DRMs.
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    Provide NED SDK
  • NED is provided as SDK to portable device manufacturer for NED module to be ported easily to portable device
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    ■ NED System Architecture
  • NED system architecture is composed of components running on a PC and components deployed on a portable device.
  • The components inside a PC process NED encryption and packaging and the components inside a portable device process NED decryption and managing of NED key.
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    ■ System Requirements and Support Platforms
    NED System Requirements
    Element Requirement
      Lib Code Size 40Kbyes ~ 60Kbyte
      RAM Size 42Kbytes (Maximum Size)
      MIPS 2 ~ 5 MIPS
      UID (Unique ID) USB VID, PID, Serial No
      Protected Area 64bytes for License Data, if UID do not exist

    NED Support Platforms
    Components Contents
      MP3 Player Chipset TCC73x, 72x, 76x, 77x, 78x, 79x, Sigmatel STMP34, 35x, 36x, Motorola Amadeus, ECT, PPI, OKI, MCSLogic, Orchestra, NX585x, SSL842x
      PMP Chipset Sigmadesign, X-Scale, Fujitsue Millennia, TI-DSP, Sun plus-SPCA, ARMv4, TCC 78x, MIPSII
      Handset Chipset Qualcomm MSM6100, 6500, SH-Mobile, ADI, AIT, TCC763
      Electronic Dictionary,
      Digital Camera, etc    		 MIPS, COAH, TIDM3xx, TOSHIBA TMP92x, S5L841x, MSM6x, ARM Cortex-M3, ARM 926EJ
      OS Platform WinCE, Linux, Nucleus, ThreadX, VxWorks, Thunder, Orchestra Basic OS, micro C OS II