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  1. /* Mach-O support for BFD.
  2.    Copyright (C) 2011-2015 Free Software Foundation, Inc.
  3.  
  4.    This file is part of BFD, the Binary File Descriptor library.
  5.  
  6.    This program is free software; you can redistribute it and/or modify
  7.    it under the terms of the GNU General Public License as published by
  8.    the Free Software Foundation; either version 3 of the License, or
  9.    (at your option) any later version.
  10.  
  11.    This program is distributed in the hope that it will be useful,
  12.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.    GNU General Public License for more details.
  15.  
  16.    You should have received a copy of the GNU General Public License
  17.    along with this program; if not, write to the Free Software
  18.    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19.    MA 02110-1301, USA.  */
  20.  
  21. #ifndef _MACH_O_CODESIGN_H
  22. #define _MACH_O_CODESIGN_H
  23.  
  24. /* Codesign blob magics.  */
  25.  
  26. /* Superblob containing all the components.  */
  27. #define BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE 0xfade0cc0
  28.  
  29. /* Individual code requirement.  */
  30. #define BFD_MACH_O_CS_MAGIC_REQUIREMENT 0xfade0c00
  31.  
  32. /* Collection of code requirements, indexed by type.  */
  33. #define BFD_MACH_O_CS_MAGIC_REQUIREMENTS 0xfade0c01
  34.  
  35. /* Directory.  */
  36. #define BFD_MACH_O_CS_MAGIC_CODEDIRECTORY 0xfade0c02
  37.  
  38. /* Entitlements blob.  */
  39. #define BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS 0xfade7171
  40.  
  41. /* Blob container.  */
  42. #define BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER 0xfade0b01
  43.  
  44. struct mach_o_codesign_codedirectory_external_v1
  45. {
  46.   /* All the fields are in network byte order (big endian).  */
  47.   unsigned char version[4];
  48.   unsigned char flags[4];
  49.   unsigned char hash_offset[4];
  50.   unsigned char ident_offset[4];
  51.   unsigned char nbr_special_slots[4];
  52.   unsigned char nbr_code_slots[4];
  53.   unsigned char code_limit[4];
  54.   unsigned char hash_size[1];
  55.   unsigned char hash_type[1];
  56.   unsigned char spare1[1];
  57.   unsigned char page_size[1];
  58.   unsigned char spare2[4];
  59. };
  60.  
  61. struct mach_o_codesign_codedirectory_v1
  62. {
  63.   unsigned int version;
  64.   unsigned int flags;
  65.   unsigned int hash_offset;
  66.   unsigned int ident_offset;
  67.   unsigned int nbr_special_slots;
  68.   unsigned int nbr_code_slots;
  69.   unsigned int code_limit;
  70.   unsigned char hash_size;
  71.   unsigned char hash_type;
  72.   unsigned char spare1;
  73.   unsigned char page_size;
  74.   unsigned int spare2;
  75. };
  76.  
  77. /* Value for hash_type.  */
  78. #define BFD_MACH_O_CS_NO_HASH 0
  79. #define BFD_MACH_O_CS_HASH_SHA1 1
  80. #define BFD_MACH_O_CS_HASH_SHA256 2
  81. #define BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 32 /* Skein, 160 bits */
  82. #define BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 33 /* Skein, 256 bits */
  83.  
  84. #endif /* _MACH_O_CODESIGN_H */
  85.