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Last change
on this file since 30095 was 30095, checked in by ak19, 9 years ago |
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We've decided to include a JRE for Mac Greenstone binaries, since later versions of Macs (like Yosemite) do not come with Java. Adding the generated jre 1.7.0_79 self-extracting binary and its related p7z component. Jeremy had long ago compiled up the p7z-essentials binaries 7za and 7zCon.sfx on the Mac that are necessary for generating the Mac self-extracting jre binary.
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File size:
2.7 KB
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| 1 | 7-Zip method IDs (9.18)
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| 2 | -----------------------
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| 3 |
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| 4 | Each compression or crypto method in 7z has unique binary value (ID).
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| 5 | The length of ID in bytes is arbitrary but it can not exceed 63 bits (8 bytes).
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| 6 |
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| 7 | If you want to add some new ID, you have two ways:
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| 8 | 1) Write request for allocating IDs to 7-zip developers.
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| 9 | 2) Generate 8-bytes ID:
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| 10 |
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| 11 | 3F ZZ ZZ ZZ ZZ ZZ MM MM
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| 12 |
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| 13 | 3F - Prefix for random IDs (1 byte)
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| 14 | ZZ ZZ ZZ ZZ ZZ - Developer ID (5 bytes). Use real random bytes.
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| 15 |
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| 16 | MM MM - Method ID (2 bytes)
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| 17 |
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| 18 | You can notify 7-Zip developers about your Developer ID / Method ID.
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| 19 |
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| 20 | Note: Use new ID only if old codec can not decode data encoded with new version.
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| 21 |
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| 22 |
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| 23 | List of defined IDs
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| 24 | -------------------
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| 25 |
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| 26 | 00 - Copy
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| 27 |
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| 28 | 03 - Delta
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| 29 | 04 - x86 (BCJ)
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| 30 | 05 - PPC (Big Endian)
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| 31 | 06 - IA64
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| 32 | 07 - ARM (little endian)
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| 33 | 08 - ARM Thumb (little endian)
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| 34 | 09 - SPARC
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| 35 | 21 - LZMA2
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| 36 |
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| 37 | 02.. - Common
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| 38 | 03 Swap
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| 39 | - 2 Swap2
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| 40 | - 4 Swap4
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| 41 |
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| 42 | 03.. - 7z
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| 43 | 01 - LZMA
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| 44 | 01 - Version
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| 45 |
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| 46 | 03 - Branch
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| 47 | 01 - x86
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| 48 | 03 - BCJ
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| 49 | 1B - BCJ2
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| 50 | 02 - PPC
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| 51 | 05 - PPC (Big Endian)
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| 52 | 03 - Alpha
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| 53 | 01 - Alpha
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| 54 | 04 - IA64
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| 55 | 01 - IA64
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| 56 | 05 - ARM
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| 57 | 01 - ARM
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| 58 | 06 - M68
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| 59 | 05 - M68 (Big Endian)
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| 60 | 07 - ARM Thumb
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| 61 | 01 - ARMT
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| 62 | 08 - SPARC
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| 63 | 05 - SPARC
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| 64 |
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| 65 | 04 - PPMD
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| 66 | 01 - Version
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| 67 |
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| 68 | 7F -
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| 69 | 01 - experimental methods.
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| 70 |
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| 71 |
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| 72 | 04.. - Misc
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| 73 | 00 - Reserved
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| 74 | 01 - Zip
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| 75 | 00 - Copy (not used). Use {00} instead
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| 76 | 01 - Shrink
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| 77 | 06 - Implode
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| 78 | 08 - Deflate
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| 79 | 09 - Deflate64
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| 80 | 10 - Imploding
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| 81 | 12 - BZip2 (not used). Use {04 02 02} instead
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| 82 | 14 - LZMA
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| 83 | 60 - Jpeg
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| 84 | 61 - WavPack
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| 85 | 62 - PPMd
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| 86 | 63 - wzAES
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| 87 | 02 - BZip
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| 88 | 02 - BZip2
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| 89 | 03 - Rar
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| 90 | 01 - Rar15
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| 91 | 02 - Rar20
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| 92 | 03 - Rar29
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| 93 | 04 - Arj
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| 94 | 01 - Arj (1,2,3)
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| 95 | 02 - Arj 4
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| 96 | 05 - Z
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| 97 | 06 - Lzh
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| 98 | 07 - Reserved for 7z
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| 99 | 08 - Cab
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| 100 | 09 - NSIS
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| 101 | 01 - DeflateNSIS
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| 102 | 02 - BZip2NSIS
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| 103 |
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| 104 |
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| 105 | 06.. - Crypto
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| 106 | 00 -
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| 107 | 01 - AES
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| 108 | 0x - AES-128
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| 109 | 4x - AES-192
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| 110 | 8x - AES-256
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| 111 | Cx - AES
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| 112 |
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| 113 | x0 - ECB
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| 114 | x1 - CBC
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| 115 | x2 - CFB
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| 116 | x3 - OFB
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| 117 |
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| 118 | 07 - Reserved
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| 119 | 0F - Reserved
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| 120 |
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| 121 | F0 - Misc Ciphers (Real Ciphers without hashing algo)
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| 122 |
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| 123 | F1 - Misc Ciphers (Combine)
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| 124 | 01 - Zip
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| 125 | 01 - Main Zip crypto algo
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| 126 | 03 - RAR
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| 127 | 02 -
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| 128 | 03 - Rar29 AES-128 + (modified SHA-1)
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| 129 | 07 - 7z
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| 130 | 01 - AES-256 + SHA-256
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| 131 |
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| 132 | 07.. - Hash (subject to change)
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| 133 | 00 -
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| 134 | 01 - CRC
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| 135 | 02 - SHA-1
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| 136 | 03 - SHA-256
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| 137 | 04 - SHA-384
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| 138 | 05 - SHA-512
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| 139 |
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| 140 | F0 - Misc Hash
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| 141 |
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| 142 | F1 - Misc
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| 143 | 03 - RAR
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| 144 | 03 - Rar29 Password Hashing (modified SHA1)
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| 145 | 07 - 7z
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| 146 | 01 - SHA-256 Password Hashing
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| 147 |
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| 148 |
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| 149 |
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| 150 |
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| 151 | ---
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| 152 | End of document
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