tools.h

   1 // Copyright 2007,2008  Segher Boessenkool  <segher@kernel.crashing.org>
   2 // Licensed under the terms of the GNU GPL, version 2
   3 // http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
   4
   5 #ifndef _TOOLS_H
   6 #define _TOOLS_H
   7
   8 // basic data types
   9 typedef unsigned char u8;
  10 typedef unsigned short u16;
  11 typedef unsigned int u32;
  12 typedef unsigned long long u64;
  13
  14 u32 be32(u8 *p);
  15 u64 be64(u8 *p);
  16 u64 be34(u8 *p);
  17
  18 // bignum
  19 void bn_exp(u8 *d, u8 *a, u8 *N, u32 n, u8 *e, u32 en);
  20
  21 // crypto
  22 void sha(u8 *data, u32 len, u8 *hash);
  23 void get_key(const char *name, u8 *key, u32 len);
  24 void aes_cbc_dec(u8 *key, u8 *iv, u8 *in, u32 len, u8 *out);
  25 void decrypt_title_key(u8 *title_key_crypted, u8 *title_id, u8 *title_key);
  26 int check_cert_chain(u8 *data, u32 data_len, u8 *cert, u32 cert_len);
  27
  28 // compression
  29 void do_yaz0(u8 *in, u32 in_size, u8 *out, u32 out_size);
  30
  31 // error handling
  32 void fatal(const char *s);
  33
  34 // output formatting
  35 void print_bytes(u8 *x, u32 n);
  36 void hexdump(u8 *x, u32 n);
  37
  38 #endif