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netmdlinux [2009/04/24 11:37]
marcus fix link
netmdlinux [2010/03/19 18:23] (current)
megadiscman
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 ====== NetMDLinux ====== ====== NetMDLinux ======
 +
 +===== Software =====
  
 There are several orphanend open-source projects aiming to support NetMD Walkman devices under Linux, namely: There are several orphanend open-source projects aiming to support NetMD Walkman devices under Linux, namely:
  
-libnetmd: A library to connect to NetMD Walkman - [[http://​libnetmd.sourceforge.net/​]] and [[http://​www.unmaintained-free-software.org/​wiki/​Libnetmd]]+  * libnetmd: A library to connect to NetMD Walkman - [[http://​libnetmd.sourceforge.net/​]] and [[http://​www.unmaintained-free-software.org/​wiki/​Libnetmd]] 
 +  * Patch for libnetmd to add support for MZ-RH1 and -RH10, also minor casting fixes: [[http://​users.physik.fu-berlin.de/​~glaubitz/​linux-minidisc/​0001-cast-fixes-MZ-NH600-MZ-RH1-MZ-RH10-support-adde.patch]] 
 +  * gnetmd: A GUI for libnetmd - [[http://​www.pdr.cx/​projects/​gnetmd/​main]]/​ 
 +  * Xmd: NetMD software for Mac OS X - [[http://​www.sorted.org/​Xmd/​]] 
 +  * WinNMD: non-free Windows software - [[http://​winnmd.net/​]] 
 +  * FreeMD: how the NetMD protocol works, and a shell to set track titles etc. 
 +    * [[http://​www.marcus-brinkmann.de/​files/​freemd.html]] 
 +    * [[http://​software.marcus-brinkmann.org/​projects/​show/​freemd]] 
 +    * bzr branch http://​bzr.marcus-brinkmann.org/​freemd/​trunk/​ freemd 
 +  * <​del>​There is a funding project, supporting a resume of the development of the libnetmd software, see [[http://​www.cofundos.org/​project.php?​id=122]].</​del>​
  
-Patch for libnetmd to add support for MZ-RH1 ​and -RH10, also minor casting fixes: [[http://​users.physik.fu-berlin.de/​~glaubitz/​linux-minidisc/​0001-cast-fixes-MZ-NH600-MZ-RH1-MZ-RH10-support-adde.patch]] +===== Official Specs and Patents =====
- +
-gnetmd: A GUI for libnetmd - [[http://​www.pdr.cx/​projects/​gnetmd/​main]]/​ +
- +
-Xmd: NetMD software for Mac OS X - [[http://​www.sorted.org/​Xmd/​]] +
- +
-WinNMD: non-free Windows software - [[http://​winnmd.net/​]] +
- +
-FreeMD: how the NetMD protocol works, and a shell to set track titles etc.  +
-  * [[http://​www.marcus-brinkmann.de/​files/​freemd.html]] +
-  * [[http://​software.marcus-brinkmann.org/​projects/​show/​freemd]] +
-  * bzr branch http://​bzr.marcus-brinkmann.org/​freemd/​trunk/​ freemd+
  
 The NetMD protocol is based on the AV/C Digital Interface Command Set, an 1394 TA specification:​ The NetMD protocol is based on the AV/C Digital Interface Command Set, an 1394 TA specification:​
 +
   * 2004006 AV/C Digital Interface Command Set General Specification Version 4.2   * 2004006 AV/C Digital Interface Command Set General Specification Version 4.2
   * 2004005 AV/C Tape Recorder/​Player Subunit Specification 2.4   * 2004005 AV/C Tape Recorder/​Player Subunit Specification 2.4
   * 2002013 AV/C Descriptor Mechanism 1.2   * 2002013 AV/C Descriptor Mechanism 1.2
-  * 2002002 AV/C Disc Subunit - Generic Recordable Video Disc Media Type Specification 1.0+  * <del>2002002 AV/C Disc Subunit - Generic Recordable Video Disc Media Type Specification 1.0</​del>​ For MD, 1998014 is relevant instead of this document. 
 +  * {{:​avc_disc10.pdf|1998013 AV/C Disc Subunit Generic Specification 1.0}} 
 +  * [[http://​users.physik.fu-berlin.de/​~glaubitz/​linux-minidisc/​AVC_DiscMDAudio10.pdf|1998014 AV/C Disc Media Type Specification - MD Audio]] 
 + 
 +Here is an older document by the TradeAssociation:​ 
 + 
 +  * {{:​avc_general_30.pdf|1998003 AV/C Digital Interface Command Set General Specification Version 3.0}} 
 +  * The Sony patent [[https://​wiki.physik.fu-berlin.de/​linux-minidisc/​lib/​exe/​fetch.php?​media=us7437770.pdf |US7437770]] describes in details the entire communication between a NetMD device and a PC starting with the exclusive login and retrieving of the track titles. The data exchange commands are shown in the form control/​response frames (Figures 33-49). It's quite easy to understand the stuff, especially by working in conjuction with the AV/C documents mentioned above. 
 +  * Loading files on the MiniDisc Player, in particular the role of the EKB, is described in the [[http://​www.marcus-brinkmann.de/​files/​pat7228568.pdf|US Patent 7228568]] (retrieved via [[http://​www.pat2pdf.org/​]]),​ which contains some hilariously bad cryptography (and is in any other way utterly trivial). ​ This answers many, but not all, questions about the file transfer logs. 
 +  * YAP: [[http://​www.marcus-brinkmann.de/​files/​pat7362870.pdf|US Patent 7362870]]. ​ Also noteworthy may be US Patent 20050246286,​ which seems to document how OpenJukeBox manages licenses. 
 +===== Other Information ===== 
 + 
 +  * More protocol info: http://​bertrik.sikken.nl/​netmd/​ 
 +  * Download to a NetMD device [[AtracDownload|Atrac download dump]] 
 +  * Upload of ATRAC SP with RH1: [[RH1AtracUpload|RH1 upload dump]] 
 +  * NetMD firmware: [[http://​esi.sony.ca/​esupport/​esupport/​NetMD/​]]
  
-Loading files on the MiniDisc Player, in particular the role of the EKB, is described in the [[http://​www.marcus-brinkmann.de/​files/​pat7228568.pdf|US Patent 7228568]] +===== The EKB-Format =====
-(retrieved via [[http://​www.pat2pdf.org/​]]),​ which contains some hilariously bad cryptography (and is in any other way utterly trivial). ​ This answers many, but not all, questions about the file transfer logs.+
  
-TODOCheck other Sony patents.+The EKB format is mostly revealed now.  There is now a [[Dump EKB]] tool that can be used to display EKB files. ​ Here is an example output (the unique keys have been blacked out): 
 +<​code>​ 
 +./​dump-ekb.py 00010001.ekb 
 +EKB  00010001.ekb 
 +Unknown 1/2:  0x1 0x1 
 +Reserved: ​    0x0 
 +Unknown 3:    0ff4xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 
 +Tag Length: ​  ​0x1c 
 +Data Length: ​ 0x130 
 +Sig Length: ​  ​0x134 
 +Tags:         ​xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 
 +Data:         ​bf71xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K000000000,​KR) 
 +              01caxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K000000010,​KR) 
 +              2c4bxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000110,​KR) 
 +              a8ecxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100000,​K0000000110) 
 +              7d5bxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100001,​K0000000110) 
 +              e721xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100010,​K0000000110) 
 +              24aaxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100011,​K0000000110) 
 +              e664xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100100,​K0000000110) 
 +              be2dxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100101,​K0000000110) 
 +              846axxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100110,​K0000000110) 
 +              5695xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000001100111,​K0000000110) 
 +              792exxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000000100000000,​KR) 
 +              0679xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000010000001010,​KR) 
 +              3ebexxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000010000001100,​KR) 
 +              5649xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000010000001110,​KR) 
 +              9913xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000010000010000,​KR) 
 +              ac8cxxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000010000010010,​KR) 
 +              dd10xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K0000000010000010100,​KR) 
 +              d0c9xxxxxxxxxxxxxxxxxxxxxxxxxxxx Enc(K00000000100000010000,​KR) 
 +Sig Unknown: ​ 00000017020000000100 
 +Sig Len:      0x28 
 +Sig:          7b51xxxxxxxxxxxxxxxxxxxxxxxxxxxx 
 +              xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 
 +              xxxxxxxxxxxxxxxx 
 +</​code>​
  
-There is a funding project, supporting a resume of the development of the libnetmd software, see [[http://​www.cofundos.org/​project.php?​id=122]].+===== Links =====
  
 +  * [[http://​minidisc.org/​NetMD_faq.html]]
netmdlinux.1240565824.txt.gz · Last modified: 2009/04/24 11:37 by marcus