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Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue May 14 09:04:51 2013 UTC (11 years, 5 months ago) by misho
Branches: misho, elwix1_9_mips, MAIN
CVS tags: start, elwix2_8, elwix2_7, elwix2_6, elwix2_3, elwix2_2, HEAD, ELWIX2_7, ELWIX2_6, ELWIX2_5, ELWIX2_2p0
oldlzma needs for uboot

Compression method IDs (4.16 beta)
----------------------------------

Each compression method in 7z has unique binary value (ID).
The length of ID in bytes is arbitrary but it can not exceed 15 bytes.

List of defined IDs
-------------------
      
00 - Copy
01 - Reserved
02 - Common
   03 Swap
      - 2 Swap2
      - 4 Swap4
   04 Delta (subject to change)

03 - 7z
   01 - LZMA
      01 - Version
  
   03 - Branch
      01 - x86
         03  - BCJ
         1B  - BCJ2
      02 - PPC
         05 - BC_PPC_B (Big Endian)
      03 - Alpha
         01 - BC_Alpha
      04 - IA64
         01 - BC_IA64
      05 - ARM
         01 - BC_ARM
      06 - M68
         05 - BC_M68_B (Big Endian)
      07 - ARM Thumb
         01 - BC_ARMThumb
      08 - SPARC
         05 - BC_SPARC

   04 - PPMD
      01 - Version

04 - Misc
   00 - Reserved
   01 - Zip
      00 - Copy (not used). Use {00} instead
      01 - Shrink
      06 - Implode
      08 - Deflate
      09 - Deflate64
      12 - BZip2 (not used). Use {04 02 02} instead
   02 - BZip
      02 - BZip2
   03 - Rar
      01 - Rar15
      02 - Rar20
      03 - Rar29
   04 - Arj
      01 - Arj (1,2,3)
      02 - Arj 4

   07 - Reserved


06 - Crypto 
   00 - 
   01 - AES
      0x - AES-128
      4x - AES-192
      8x - AES-256

      x0 - ECB
      x1 - CBC
      x2 - CFB
      x3 - OFB

   07 - Reserved
   0F - Reserved

   F0 - Misc Ciphers (Real Ciphers without hashing algo)

   F1 - Misc Ciphers (Combine)
      01 - Zip
         01 - Main Zip crypto algo
      03 - RAR
         02 - 
         03 - Rar29 AES-128 + (modified SHA-1)
      07 - 7z
         01 - AES-256 + SHA-256

07 - Hash (subject to change)
   00 - 
   01 - CRC
   02 - SHA-1
   03 - SHA-256
   04 - SHA-384
   05 - SHA-512

   F0 - Misc Hash

   F1 - Misc
      03 - RAR
         03 - Rar29 Password Hashing (modified SHA1)
      07 - 7z 
         01 - SHA-256 Password Hashing
    
   


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