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[Constants] Some additions and cleanup

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Matt Nadareski
2018-02-15 18:40:09 -08:00
parent c88b886a84
commit 6815e679ef
1 changed files with 78 additions and 18 deletions
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96
SabreTools.Library/Data/Constants.cs
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@@ -26,11 +26,58 @@ namespace SabreTools.Library.Data
public const long SizeZero = 0;
public const string CRCZero = "00000000";
public static readonly byte[] CRCZeroBytes = { 0x00, 0x00, 0x00, 0x00 };
public const string MD5Zero = "d41d8cd98f00b204e9800998ecf8427e";
public static readonly byte[] MD5ZeroBytes = { 0xda, 0x39, 0xa3, 0xee,
0x5e, 0x6b, 0x4b, 0x0d,
0x32, 0x55, 0xbf, 0xef,
0x95, 0x60, 0x18, 0x90,
0xaf, 0xd8, 0x07, 0x09 };
public const string SHA1Zero = "da39a3ee5e6b4b0d3255bfef95601890afd80709";
public static readonly byte[] SHA1ZeroBytes = { 0xda, 0x39, 0xa3, 0xee,
0x5e, 0x6b, 0x4b, 0x0d,
0x32, 0x55, 0xbf, 0xef,
0x95, 0x60, 0x18, 0x90,
0xaf, 0xd8, 0x07, 0x09 };
public const string SHA256Zero = "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad";
public static readonly byte[] SHA256ZeroBytes = { 0xba, 0x78, 0x16, 0xbf,
0x8f, 0x01, 0xcf, 0xea,
0x41, 0x41, 0x40, 0xde,
0x5d, 0xae, 0x22, 0x23,
0xb0, 0x03, 0x61, 0xa3,
0x96, 0x17, 0x7a, 0x9c,
0xb4, 0x10, 0xff, 0x61,
0xf2, 0x00, 0x15, 0xad };
public const string SHA384Zero = "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7";
public static readonly byte[] SHA384ZeroBytes = { 0xcb, 0x00, 0x75, 0x3f,
0x45, 0xa3, 0x5e, 0x8b,
0xb5, 0xa0, 0x3d, 0x69,
0x9a, 0xc6, 0x50, 0x07,
0x27, 0x2c, 0x32, 0xab,
0x0e, 0xde, 0xd1, 0x63,
0x1a, 0x8b, 0x60, 0x5a,
0x43, 0xff, 0x5b, 0xed,
0x80, 0x86, 0x07, 0x2b,
0xa1, 0xe7, 0xcc, 0x23,
0x58, 0xba, 0xec, 0xa1,
0x34, 0xc8, 0x25, 0xa7 };
public const string SHA512Zero = "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f";
public static readonly byte[] SHA512ZeroBytes = { 0xdd, 0xaf, 0x35, 0xa1,
0x93, 0x61, 0x7a, 0xba,
0xcc, 0x41, 0x73, 0x49,
0xae, 0x20, 0x41, 0x31,
0x12, 0xe6, 0xfa, 0x4e,
0x89, 0xa9, 0x7e, 0xa2,
0x0a, 0x9e, 0xee, 0xe6,
0x4b, 0x55, 0xd3, 0x9a,
0x21, 0x92, 0x99, 0x2a,
0x27, 0x4f, 0xc1, 0xa8,
0x36, 0xba, 0x3c, 0x23,
0xa3, 0xfe, 0xeb, 0xbd,
0x45, 0x4d, 0x44, 0x23,
0x64, 0x3c, 0xe8, 0x0e,
0x2a, 0x9a, 0xc9, 0x4f,
0xa5, 0x4c, 0xa4, 0x9f };
#endregion
@@ -62,15 +109,28 @@ namespace SabreTools.Library.Data
#region CHD header values
// CHD signature - "MComprHD"
public readonly static byte[] CHDSignatureBytes = { 0x4d, 0x43, 0x6f, 0x6d, 0x70, 0x72, 0x48, 0x44 };
public const ulong CHDSignature = 0x4d436f6d70724844;
// Header versions and sizes
public const int CHD_HEADER_VERSION = 5;
public const int CHD_V1_HEADER_SIZE = 76;
public const int CHD_V2_HEADER_SIZE = 80;
public const int CHD_V3_HEADER_SIZE = 120;
public const int CHD_V4_HEADER_SIZE = 108;
public const int CHD_V5_HEADER_SIZE = 124;
public const int CHD_MAX_HEADER_SIZE = CHD_V5_HEADER_SIZE;
// Key offsets within the header (V1)
public const long CHDv1MapOffsetOffset = 0;
public const long CHDv1MetaOffsetOffset = 0;
public const long CHDv1MD5Offset = 44;
public const long CHDv1RawMD5Offset = 0;
public const long CHDv1ParentMD5Offset = 60;
// Key offsets within the header (V2)
public const long CHDv2MapOffsetOffset = 0;
public const long CHDv2MetaOffsetOffset = 0;
public const long CHDv2MD5Offset = 44;
public const long CHDv2RawMD5Offset = 0;
public const long CHDv2ParentMD5Offset = 60;
// Key offsets within the header (V3)
public const long CHDv3MapOffsetOffset = 0; // offset of map offset field
@@ -440,17 +500,18 @@ namespace SabreTools.Library.Data
#endregion
#region Magic numbers as strings
#region Magic numbers
public const string SevenZipSig = "377ABCAF271C";
public const string GzSig = "1F8B";
public const string RarSig = "526172211A0700";
public const string RarFiveSig = "526172211A070100";
public const string TarSig = "7573746172202000";
public const string TarZeroSig = "7573746172003030";
public const string ZipSig = "504B0304";
public const string ZipSigEmpty = "504B0506";
public const string ZipSigSpanned = "504B0708";
public static readonly byte[] SevenZipSignature = { 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c };
public readonly static byte[] CHDSignature = { 0x4d, 0x43, 0x6f, 0x6d, 0x70, 0x72, 0x48, 0x44 };
public static readonly byte[] GzSignature = { 0x1f, 0x8b };
public static readonly byte[] RarSignature = { 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x00 };
public static readonly byte[] RarFiveSignature = { 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x01, 0x00 };
public static readonly byte[] TarSignature = { 0x75, 0x73, 0x74, 0x61, 0x72, 0x20, 0x20, 0x00 };
public static readonly byte[] TarZeroSignature = { 0x75, 0x73, 0x74, 0x61, 0x72, 0x00, 0x30, 0x30 };
public static readonly byte[] ZipSignature = { 0x50, 0x4b, 0x03, 0x04 };
public static readonly byte[] ZipSignatureEmpty = { 0x50, 0x4b, 0x05, 0x06 };
public static readonly byte[] ZipSignatureSpanned = { 0x50, 0x4b, 0x07, 0x08 };
#endregion
@@ -469,7 +530,7 @@ namespace SabreTools.Library.Data
https://pkware.cachefly.net/webdocs/APPNOTE/APPNOTE_6.2.0.txt
http://www.romvault.com/trrntzip_explained.doc
00-03 Local file header signature (0x50, 0x4B, 0x03, 0x04)
00-03 Local file header signature (0x50, 0x4B, 0x03, 0x04) ZipSignature
04-05 Version needed to extract (0x14, 0x00)
06-07 General purpose bit flag (0x02, 0x00)
08-09 Compression method (0x08, 0x00)
@@ -481,7 +542,7 @@ namespace SabreTools.Library.Data
/* Torrent7z Header Format
http://cpansearch.perl.org/src/BJOERN/Compress-Deflate7-1.0/7zip/DOC/7zFormat.txt
00-05 Local file header signature (0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C)
00-05 Local file header signature (0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C) SevenZipSignature
06-07 ArchiveVersion (0x00, 0x03)
The rest is unknown
*/
@@ -492,8 +553,7 @@ namespace SabreTools.Library.Data
/* (Torrent)GZ Header Format
https://tools.ietf.org/html/rfc1952
00 Identification 1 (0x1F)
01 Identification 2 (0x8B)
00-01 Identification (0x1F, 0x8B) GzSignature
02 Compression Method (0-7 reserved, 8 deflate; 0x08)
03 Flags (0 FTEXT, 1 FHCRC, 2 FEXTRA, 3 FNAME, 4 FCOMMENT, 5 reserved, 6 reserved, 7 reserved; 0x04)
04-07 Modification time (Unix format; 0x00, 0x00, 0x00, 0x00)