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Thread: encryption of motion plus

  1. #1

    encryption of motion plus

    Hi, everybody. I am working on the motion plus. I want to do a device to simulate the motion plus. So,I need know the protocol and the encryption during I2C communication. First, Wii-remote will ask Motion plus 16bytes data, then Wii-remote send a byte to motion plus. Wii-remote will receive 16 bytes data from motion plus. Has anyone worked out the encryption? May give me any hints? thanks in advance.

  2. #2
    Quote Originally Posted by coke View Post
    Hi, everybody. I am working on the motion plus. I want to do a device to simulate the motion plus. So,I need know the protocol and the encryption during I2C communication. First, Wii-remote will ask Motion plus 16bytes data, then Wii-remote send a byte to motion plus. Wii-remote will receive 16 bytes data from motion plus. Has anyone worked out the encryption? May give me any hints? thanks in advance.

    this is the best i could find for you the actual chip that does the sensing inside the wiimotion plus is called a IDG-600 Integrated Dual-Axis Gyroscope
    made by IvenSense

    InvenSense: Products: IDG 600

    still trying to find the cryptography the device uses tho....
    Homebrew Channel 1.0.6 | Internet Channel | Sys Menu 4.1e | NeoGamma R8 b15 | Preloader .30 r3 | cIOS38 r14 | Wad Manager 1.5 | cIOSCORP 3.5 | DVDX v2 | Mplayer CE | WiiGator GC Backup Launcher Ver 2.0 | Wii64 Nintendo 64 Emulator | Homebrew Browser V 0.3.6 | IOSCheck V 0.3.6







  3. #3
    Thank you! I have done a device which is similar to motion plus.
    I used IDG-650 as Dual-Axis Gyroscope. Now, my "motion plus" can connect the wii-remote and run correctly. But the wii-remote often asks "motion plus" the encryption through I2C protocol. So, my "motion plus" can't enter game mode sometimes.

  4. #4
    if i come across any more info buddy ill pass it on to you
    Homebrew Channel 1.0.6 | Internet Channel | Sys Menu 4.1e | NeoGamma R8 b15 | Preloader .30 r3 | cIOS38 r14 | Wad Manager 1.5 | cIOSCORP 3.5 | DVDX v2 | Mplayer CE | WiiGator GC Backup Launcher Ver 2.0 | Wii64 Nintendo 64 Emulator | Homebrew Browser V 0.3.6 | IOSCheck V 0.3.6







  5. #5
    Thanks! in addation, do you have the source code of the wii console? I mean it build in the wii's nand flash. It's said, we may know the encryption if we study out the source code.

  6. #6
    i dont sorry, but i am going to keep looking; ive a friend who's at uni studying encryption
    so its justa matter of time
    Homebrew Channel 1.0.6 | Internet Channel | Sys Menu 4.1e | NeoGamma R8 b15 | Preloader .30 r3 | cIOS38 r14 | Wad Manager 1.5 | cIOSCORP 3.5 | DVDX v2 | Mplayer CE | WiiGator GC Backup Launcher Ver 2.0 | Wii64 Nintendo 64 Emulator | Homebrew Browser V 0.3.6 | IOSCheck V 0.3.6







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