mirror of
https://github.com/rvtr/TwlToolsRED.git
synced 2025-10-31 06:41:18 -04:00
a438710879
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlToolsRED@567 7061adef-622a-194b-ae81-725974e89856
469 lines
17 KiB
C++
469 lines
17 KiB
C++
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#include "types.h"
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#include <string.h>
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#include <openssl/hmac.h> /* libcrypto.a */
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#include "twl_format_rom.h"
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#include "card_hash.h"
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#define MATH_SHA1_DIGEST_SIZE (160/8)
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#define CARD_ROM_HASH_SIZE (20)
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static u8 CARDiHmacKey[] =
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{
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0x21, 0x06, 0xc0, 0xde, 0xba, 0x98, 0xce, 0x3f,
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0xa6, 0x92, 0xe3, 0x9d, 0x46, 0xf2, 0xed, 0x01,
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0x76, 0xe3, 0xcc, 0x08, 0x56, 0x23, 0x63, 0xfa,
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0xca, 0xd4, 0xec, 0xdf, 0x9a, 0x62, 0x78, 0x34,
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0x8f, 0x6d, 0x63, 0x3c, 0xfe, 0x22, 0xca, 0x92,
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0x20, 0x88, 0x97, 0x23, 0xd2, 0xcf, 0xae, 0xc2,
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0x32, 0x67, 0x8d, 0xfe, 0xca, 0x83, 0x64, 0x98,
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0xac, 0xfd, 0x3e, 0x37, 0x87, 0x46, 0x58, 0x24,
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};
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/*
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unsigned char *HMAC(const EVP_MD *evp_md, const void *key,
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int key_len, const unsigned char *d, int n,
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unsigned char *md, unsigned int *md_len);
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*/
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HMAC_CTX myHmacContext;
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void MATH_CalcHMACSHA1(void *digest, const void *bin_ptr, u32 bin_len, const void *key_ptr, u32 key_len)
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{
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unsigned int res_len;
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HMAC( EVP_sha1(),
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key_ptr, key_len,
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(const unsigned char*)bin_ptr, (size_t)bin_len,
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(unsigned char*)digest, &res_len);
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}
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static bool CARDi_CompareHash(const void *hash, void *buffer, u32 length)
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{
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bool ret = true;
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u8 tmphash[CARD_ROM_HASH_SIZE];
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MATH_CalcHMACSHA1(tmphash, buffer, length, CARDiHmacKey, sizeof(CARDiHmacKey));
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if (memcmp(hash, tmphash, sizeof(tmphash)) != 0)
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{
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ret = false;
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printf("ROM-hash comparation error!\n");
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}
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else
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{
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// printf("ROM-hash comparation success.\n");
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}
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/*
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u8* myhash = (u8*)hash;
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printf( "digest2:0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
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myhash[0], myhash[1], myhash[2], myhash[3], myhash[4], myhash[5],
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myhash[6], myhash[7], myhash[8], myhash[9], myhash[10], myhash[11],
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myhash[12], myhash[13], myhash[14], myhash[15], myhash[16], myhash[17],
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myhash[18], myhash[19]);
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printf( "tmphash:0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
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tmphash[0], tmphash[1], tmphash[2], tmphash[3], tmphash[4], tmphash[5],
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tmphash[6], tmphash[7], tmphash[8], tmphash[9], tmphash[10], tmphash[11],
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tmphash[12], tmphash[13], tmphash[14], tmphash[15], tmphash[16], tmphash[17],
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tmphash[18], tmphash[19]);
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*/
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return ret;
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}
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void CARDi_Init( CARDRomHashContext *context, RomHeader* header)
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{
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context->bytes_per_sector = header->digest1_block_size;
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context->sectors_per_block = header->digest2_covered_digest1_num;
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context->area_ntr.offset = header->nitro_digest_area_rom_offset;
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context->area_ntr.length = header->nitro_digest_area_size;
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context->area_ltd.offset = header->twl_digest_area_rom_offset;
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context->area_ltd.length = header->twl_digest_area_size;
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context->sector_hash.offset = header->digest1_table_offset;
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context->sector_hash.length = header->digest1_table_size;
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context->block_hash.offset = header->digest2_table_offset;
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context->block_hash.length = header->digest2_table_size;
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context->block_max = CARD_ROM_HASH_BLOCK_MAX;
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context->sector_max = CARD_ROM_HASH_SECTOR_MAX;
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// digest2
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context->master_hash = (u8*)malloc( (1024*1024*1024/8) /
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(header->digest1_block_size * header->digest2_covered_digest1_num) *
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CARD_ROM_HASH_SIZE);
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// digest1
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context->hash = (u8*)malloc( header->digest2_covered_digest1_num * CARD_ROM_HASH_SIZE);
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// rom image
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context->buffer = (u8*)malloc( header->digest1_block_size);
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// rom size
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{
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int i;
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u32 rom_size;
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for( i=0; i<header->rom_size; i++)
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{
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rom_size *= 2;
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}
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context->rom_size = (rom_size * 1024 / 8 * 1024);
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}
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}
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/*---------------------------------------------------------------------------*
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Name: CARDi_GetHashSectorIndex
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Description: <20>w<EFBFBD><77><EFBFBD><EFBFBD>ROM<4F>I<EFBFBD>t<EFBFBD>Z<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Z<EFBFBD>N<EFBFBD>^<5E>ԍ<EFBFBD><D48D><EFBFBD><EFBFBD>擾<EFBFBD>B
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Arguments: context : CARDRomHashContext<78>\<5C><><EFBFBD><EFBFBD>
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offset : ROM<4F>I<EFBFBD>t<EFBFBD>Z<EFBFBD>b<EFBFBD>g
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Returns: <20>w<EFBFBD><77><EFBFBD><EFBFBD>ROM<4F>I<EFBFBD>t<EFBFBD>Z<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Z<EFBFBD>N<EFBFBD>^<5E>ԍ<EFBFBD><D48D>B
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*---------------------------------------------------------------------------*/
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u32 CARDi_GetHashSectorIndex(const CARDRomHashContext *context, u32 offset)
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{
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offset -= context->area_ntr.offset;
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if (offset >= context->area_ntr.length)
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{
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offset += (context->area_ntr.offset - context->area_ltd.offset);
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if (offset < context->area_ltd.length)
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{
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offset += context->area_ntr.length;
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}
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else
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{
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printf("specified ROM address is outof-range.(unsafe without secure hash)\n");
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exit(1);
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}
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}
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return offset / context->bytes_per_sector;
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}
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//static CARDRomHashBlock* CARDi_TouchRomHashBlock(CARDRomHashContext *context, u32 sector)
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//{
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//}
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void CARDi_CheckHash(CARDRomHashContext *context, FILE* fp, u32 start, u32 size, RomHeader* header)
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{
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long nowfp;
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u32 offset;
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int linear_rom_sector;
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u32 i, j;
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nowfp = ftell( fp);
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for( j=0; j<(size/(context->bytes_per_sector * context->sectors_per_block)); j++)
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{
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for( i=0; i<context->sectors_per_block; i++)
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{
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offset = start +
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(i * context->bytes_per_sector) +
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(j * (context->sectors_per_block * context->bytes_per_sector));
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printf( "%s, %d (offset:0x%lx), 0x%lx, 0x%lx, %ld, %ld\n", __FUNCTION__, __LINE__, offset, context->bytes_per_sector, context->sectors_per_block, i, j);
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/* ROM<4F>f<EFBFBD>[<5B>^<5E><><EFBFBD>ǂ<EFBFBD> */
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fseek( fp, offset, SEEK_SET);
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fread( context->buffer, context->bytes_per_sector, 1, fp);
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/* Digest1<74><31><EFBFBD>ǂ<EFBFBD> */
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linear_rom_sector = CARDi_GetHashSectorIndex( context, offset);
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fseek( fp, (header->digest1_table_offset + (linear_rom_sector * CARD_ROM_HASH_SIZE)), SEEK_SET);
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fread( &(context->hash[i * CARD_ROM_HASH_SIZE]), CARD_ROM_HASH_SIZE, 1, fp);
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printf( "-----digest1 check-----\n");
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printf( "i = %ld, linear = %d\n", i, linear_rom_sector);
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/* ROM<4F>f<EFBFBD>[<5B>^<5E><>Hash<73><68>Digest1<74>Ɣ<EFBFBD><C694>r */
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CARDi_CompareHash( &(context->hash[i * CARD_ROM_HASH_SIZE]),
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context->buffer, context->bytes_per_sector);
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printf( "-----------------------\n");
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}
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}
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fseek( fp, nowfp, SEEK_SET);
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}
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bool Digest1Check(CARDRomHashContext *context, FILE* fp, RomHeader* header, u32 start_offset, u32 size)
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{
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int digest1_index;
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u32 offset, rest;
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bool ret = true;
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rest = size;
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offset = start_offset;
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do {
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if( !(((start_offset >= header->aes_target_rom_offset)&&
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(start_offset <= (header->aes_target_rom_offset + header->aes_target_size))) ||
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(((start_offset + size) >= header->aes_target_rom_offset)&&
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((start_offset + size) <= (header->aes_target_rom_offset + header->aes_target_size)))))
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{
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/* ROM<4F>f<EFBFBD>[<5B>^<5E><><EFBFBD>ǂ<EFBFBD> */
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fseek( fp, offset, SEEK_SET);
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fread( context->buffer, context->bytes_per_sector, 1, fp);
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/* Digest1<74><31><EFBFBD>ǂ<EFBFBD> */
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digest1_index = CARDi_GetHashSectorIndex( context, offset);
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fseek( fp, (header->digest1_table_offset + (digest1_index * CARD_ROM_HASH_SIZE)), SEEK_SET);
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fread( context->hash, CARD_ROM_HASH_SIZE, 1, fp);
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/* ROM<4F>f<EFBFBD>[<5B>^<5E><>Hash<73><68>Digest1<74>Ɣ<EFBFBD><C694>r */
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if( !CARDi_CompareHash( context->hash, context->buffer, context->bytes_per_sector))
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{
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ret = false;
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}
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}
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rest -= context->bytes_per_sector;
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offset += context->bytes_per_sector;
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}
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while( rest);
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return ret;
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}
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bool Digest2Check(CARDRomHashContext *context, FILE* fp, RomHeader* header)
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{
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bool ret = true;
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int i, j;
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int digest1_index_num = (header->digest1_table_size / header->digest1_block_size);
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for( i=0; i<digest1_index_num; )
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{
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for( j=0; j<(int)(header->digest2_covered_digest1_num); j++)
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{
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fseek( fp, (header->digest1_table_offset + ((i+j) * CARD_ROM_HASH_SIZE)), SEEK_SET);
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fread( &(context->hash[j * CARD_ROM_HASH_SIZE]), CARD_ROM_HASH_SIZE, 1, fp);
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}
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/* Digest1<74><31>Digest2<74>Ɣ<EFBFBD><C694>r */
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if( !CARDi_CompareHash( &(context->master_hash[(i/context->sectors_per_block) * CARD_ROM_HASH_SIZE]),
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context->hash, (CARD_ROM_HASH_SIZE * context->sectors_per_block)))
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{
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ret = false;
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}
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i+= header->digest2_covered_digest1_num;
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}
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return ret;
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}
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void CARD_CheckHash(CARDRomHashContext *context, RomHeader* header, FILE* fp)
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{
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long nowfp;
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nowfp = ftell( fp);
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fseek( fp, header->digest2_table_offset, SEEK_SET);
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fread( context->master_hash, header->digest2_table_size, 1, fp);
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fseek( fp, nowfp, SEEK_SET);
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printf( "\n");
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printf( "nitro digest area check\n");
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printf( "-----------------------\n");
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// NITRO<52>_<EFBFBD>C<EFBFBD>W<EFBFBD>F<EFBFBD>X<EFBFBD>g<EFBFBD>G<EFBFBD><47><EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD>
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if( Digest1Check( context, fp, header, header->nitro_digest_area_rom_offset, header->nitro_digest_area_size))
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{
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printf( "<EFBFBD>i<EFBFBD><EFBFBD><EFBFBD><EFBFBD>OK.<2E>j\n");
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}
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printf( "-----------------------\n\n");
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printf( "twl digest area check\n");
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printf( "-----------------------\n");
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// TWL<57>_<EFBFBD>C<EFBFBD>W<EFBFBD>F<EFBFBD>X<EFBFBD>g<EFBFBD>G<EFBFBD><47><EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD>
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if( Digest1Check( context, fp, header, header->twl_digest_area_rom_offset, header->twl_digest_area_size))
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{
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printf( "<EFBFBD>i<EFBFBD><EFBFBD><EFBFBD><EFBFBD>OK.<2E>j\n");
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}
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printf( "-----------------------\n\n");
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printf( "digest2 check\n");
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printf( "-----------------------\n");
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if( Digest2Check( context, fp, header))
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{
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printf( "<EFBFBD>i<EFBFBD><EFBFBD><EFBFBD><EFBFBD>OK.<2E>j\n");
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}
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printf( "-----------------------\n\n");
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}
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/*
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static void CARDi_ReadRomHashImageDirect(CARDRomHashContext *context, void *buffer, u32 offset, u32 length)
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{
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const u32 sectunit = context->bytes_per_sector;
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const u32 blckunit = context->sectors_per_block;
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u32 position = offset;
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u32 end = length + offset;
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u32 sector = CARDi_GetHashSectorIndex(context, position);
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long nowgfp;
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FILE* gfp;
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while (position < end)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD>擾<EFBFBD>\<5C>ȍŏ<C88D><C58F>P<EFBFBD>ʂ̃C<CC83><43><EFBFBD>[<5B>W<EFBFBD><EFBFBD><F093AF8A>ǂݍ<C782><DD8D>݁B
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nowgfp = ftell( gfp);
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fseek( gfp, position, SEEK_SET);
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u32 available = fread( buffer, end - position, 1, gfp);
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// <20><><EFBFBD><EFBFBD><EFBFBD>̌<EFBFBD><CC8C>ؒ<EFBFBD><D892>ɕK<C995>v<EFBFBD>ƂȂ肻<C882><E882BB><EFBFBD>ȃu<C883><75><EFBFBD>b<EFBFBD>N<EFBFBD><4E><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD>ăA<C483>N<EFBFBD>Z<EFBFBD>X<EFBFBD>B
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// (void)CARDi_TouchRomHashBlock(context, sector);
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// <20>擾<EFBFBD><E693BE><EFBFBD><EFBFBD><EFBFBD>C<EFBFBD><43><EFBFBD>[<5B>W<EFBFBD>̐<EFBFBD><CC90><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B
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while (available >= sectunit)
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{
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CARDRomHashBlock *block = CARDi_TouchRomHashBlock(context, sector);
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u32 slot = sector - block->index * blckunit;
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while ((slot < blckunit) && (available >= sectunit))
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{
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// <20>K<EFBFBD>v<EFBFBD>Ȃ炱<C882><E782B1><EFBFBD>Ńu<C583><75><EFBFBD>b<EFBFBD>N<EFBFBD>P<EFBFBD>ʂ̃n<CC83>b<EFBFBD>V<EFBFBD><56><EFBFBD>e<EFBFBD>[<5B>u<EFBFBD><75><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B
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if (block != context->valid_block)
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{
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OSIntrMode bak_cpsr = OS_DisableInterrupts();
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while (context->loading_block)
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{
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OS_SleepThread(NULL);
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}
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if (block == context->loaded_block)
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{
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context->loaded_block = block->next;
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}
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(void)OS_RestoreInterrupts(bak_cpsr);
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CARDi_CompareHash(&context->master_hash[block->index * CARD_ROM_HASH_SIZE],
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block->hash, CARD_ROM_HASH_SIZE * blckunit);
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block->next = context->valid_block;
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context->valid_block = block;
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}
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// <20>C<EFBFBD><43><EFBFBD>[<5B>W<EFBFBD>̃n<CC83>b<EFBFBD>V<EFBFBD><56><EFBFBD><EFBFBD><EFBFBD>v<EFBFBD>Z<EFBFBD>B
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CARDi_CompareHash(&block->hash[slot * CARD_ROM_HASH_SIZE], buffer, sectunit);
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position += sectunit;
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available -= sectunit;
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buffer = ((u8 *)buffer) + sectunit;
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slot += 1;
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sector += 1;
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}
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}
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}
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}
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*/
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#if 0
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/*---------------------------------------------------------------------------*
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Name: CARDi_ReadRomHashImageDirect
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Description: <20>n<EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD>R<EFBFBD><52><EFBFBD>e<EFBFBD>L<EFBFBD>X<EFBFBD>g<EFBFBD>փL<D683><4C><EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɓ]<5D><><EFBFBD><EFBFBD><EFBFBD>֒<EFBFBD><D692>ڃR<DA83>s<EFBFBD>[<5B>B
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Arguments: context : CARDRomHashContext<78>\<5C><><EFBFBD>́B
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buffer : <20>]<5D><><EFBFBD><EFBFBD><EFBFBD>o<EFBFBD>b<EFBFBD>t<EFBFBD>@<40>B(4<>o<EFBFBD>C<EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ă<EFBFBD><C482><EFBFBD><EFBFBD>K<EFBFBD>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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offset : <20>A<EFBFBD>N<EFBFBD>Z<EFBFBD>X<EFBFBD><58><EFBFBD><EFBFBD>ROM<4F>I<EFBFBD>t<EFBFBD>Z<EFBFBD>b<EFBFBD>g<EFBFBD>B
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length : <20>]<5D><><EFBFBD>T<EFBFBD>C<EFBFBD>Y<EFBFBD>B
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Returns: None.
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*---------------------------------------------------------------------------*/
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static void CARDi_ReadRomHashImageDirect(CARDRomHashContext *context, void *buffer, u32 offset, u32 length)
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{
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const u32 sectunit = context->bytes_per_sector;
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const u32 blckunit = context->sectors_per_block;
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u32 position = offset;
|
||
u32 end = length + offset;
|
||
u32 sector = CARDi_GetHashSectorIndex(context, position);
|
||
while (position < end)
|
||
{
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>擾<EFBFBD>\<5C>ȍŏ<C88D><C58F>P<EFBFBD>ʂ̃C<CC83><43><EFBFBD>[<5B>W<EFBFBD><EFBFBD><F093AF8A>ǂݍ<C782><DD8D>݁B
|
||
u32 available = (u32)(*context->ReadSync)(context->userdata, buffer, position, end - position);
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>̌<EFBFBD><CC8C>ؒ<EFBFBD><D892>ɕK<C995>v<EFBFBD>ƂȂ肻<C882><E882BB><EFBFBD>ȃu<C883><75><EFBFBD>b<EFBFBD>N<EFBFBD><4E><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD>ăA<C483>N<EFBFBD>Z<EFBFBD>X<EFBFBD>B
|
||
(void)CARDi_TouchRomHashBlock(context, sector);
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ɕK<C995>v<EFBFBD>ƂȂ镪<C882>̓ǂݍ<C782><DD8D>ݏ<EFBFBD><DD8F><EFBFBD><EFBFBD><EFBFBD><EFBFBD>v<EFBFBD><76><EFBFBD>B
|
||
if (context->ReadAsync && (position + available < end))
|
||
{
|
||
(void)(*context->ReadAsync)(context->userdata, NULL, position + available, end - (position + available));
|
||
}
|
||
// <20>擾<EFBFBD><E693BE><EFBFBD><EFBFBD><EFBFBD>C<EFBFBD><43><EFBFBD>[<5B>W<EFBFBD>̐<EFBFBD><CC90><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B
|
||
while (available >= sectunit)
|
||
{
|
||
CARDRomHashBlock *block = CARDi_TouchRomHashBlock(context, sector);
|
||
u32 slot = sector - block->index * blckunit;
|
||
while ((slot < blckunit) && (available >= sectunit))
|
||
{
|
||
// <20>K<EFBFBD>v<EFBFBD>Ȃ炱<C882><E782B1><EFBFBD>Ńu<C583><75><EFBFBD>b<EFBFBD>N<EFBFBD>P<EFBFBD>ʂ̃n<CC83>b<EFBFBD>V<EFBFBD><56><EFBFBD>e<EFBFBD>[<5B>u<EFBFBD><75><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B
|
||
if (block != context->valid_block)
|
||
{
|
||
OSIntrMode bak_cpsr = OS_DisableInterrupts();
|
||
while (context->loading_block)
|
||
{
|
||
OS_SleepThread(NULL);
|
||
}
|
||
if (block == context->loaded_block)
|
||
{
|
||
context->loaded_block = block->next;
|
||
}
|
||
(void)OS_RestoreInterrupts(bak_cpsr);
|
||
CARDi_CompareHash(&context->master_hash[block->index * CARD_ROM_HASH_SIZE],
|
||
block->hash, CARD_ROM_HASH_SIZE * blckunit);
|
||
block->next = context->valid_block;
|
||
context->valid_block = block;
|
||
}
|
||
// <20>C<EFBFBD><43><EFBFBD>[<5B>W<EFBFBD>̃n<CC83>b<EFBFBD>V<EFBFBD><56><EFBFBD><EFBFBD><EFBFBD>v<EFBFBD>Z<EFBFBD>B
|
||
CARDi_CompareHash(&block->hash[slot * CARD_ROM_HASH_SIZE], buffer, sectunit);
|
||
position += sectunit;
|
||
available -= sectunit;
|
||
buffer = ((u8 *)buffer) + sectunit;
|
||
slot += 1;
|
||
sector += 1;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/*---------------------------------------------------------------------------*
|
||
Name: MATH_CalcHMACSHA1
|
||
|
||
Description: HMAC-SHA-1 <20><><EFBFBD>v<EFBFBD>Z<EFBFBD><5A><EFBFBD><EFBFBD><EFBFBD>B
|
||
|
||
Arguments: digest HMAC-SHA-1 <20>l<EFBFBD><6C><EFBFBD>i<EFBFBD>[<5B><><EFBFBD><EFBFBD><EFBFBD>ꏊ<EFBFBD>ւ̃|<7C>C<EFBFBD><43><EFBFBD>^
|
||
data <20><><EFBFBD>̓f<CD83>[<5B>^<5E>̃|<7C>C<EFBFBD><43><EFBFBD>^
|
||
dataLength <20><><EFBFBD>̓f<CD83>[<5B>^<5E><>
|
||
key <20><><EFBFBD>̃|<7C>C<EFBFBD><43><EFBFBD>^
|
||
keyLength <20><><EFBFBD>̒<EFBFBD><CC92><EFBFBD>
|
||
|
||
Returns: None.
|
||
*---------------------------------------------------------------------------*/
|
||
void MATH_CalcHMACSHA1(void *digest, const void *bin_ptr, u32 bin_len, const void *key_ptr, u32 key_len)
|
||
{
|
||
MATHSHA1Context context;
|
||
unsigned char hash_buf[ MATH_SHA1_DIGEST_SIZE ]; /* <20>n<EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD><EFBFBD><D690><EFBFBD><EFBFBD>瓾<EFBFBD><E793BE><EFBFBD>n<EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD>l */
|
||
|
||
MATHiHMACFuncs hash2funcs = {
|
||
MATH_SHA1_DIGEST_SIZE,
|
||
(512/8),
|
||
};
|
||
|
||
hash2funcs.context = &context;
|
||
hash2funcs.hash_buf = hash_buf;
|
||
hash2funcs.HashReset = (void (*)(void*)) MATH_SHA1Init;
|
||
hash2funcs.HashSetSource = (void (*)(void*, const void*, u32)) MATH_SHA1Update;
|
||
hash2funcs.HashGetDigest = (void (*)(void*, void*)) MATH_SHA1GetHash;
|
||
|
||
MATHi_CalcHMAC(digest, bin_ptr, bin_len, key_ptr, key_len, &hash2funcs);
|
||
}
|
||
|
||
|
||
/*---------------------------------------------------------------------------*
|
||
Name: CARDi_CompareHash
|
||
|
||
Description: <20>n<EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD>ɂ<EFBFBD><C982>鐳<EFBFBD><E990B3><EFBFBD><EFBFBD><EFBFBD>`<60>F<EFBFBD>b<EFBFBD>N<EFBFBD>B(HMAC-SHA1)
|
||
|
||
Arguments: hash : <20><><EFBFBD>r<EFBFBD><EFBFBD>ƂȂ<C682><C882>n<EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD>l
|
||
src : <20>`<60>F<EFBFBD>b<EFBFBD>N<EFBFBD>Ώۂ̃C<CC83><43><EFBFBD>[<5B>W
|
||
len<65>@: <20>`<60>F<EFBFBD>b<EFBFBD>N<EFBFBD>Ώۂ̃T<CC83>C<EFBFBD>Y
|
||
|
||
Returns: None.
|
||
*---------------------------------------------------------------------------*/
|
||
static void CARDi_CompareHash(const void *hash, void *buffer, u32 length)
|
||
{
|
||
u8 tmphash[CARD_ROM_HASH_SIZE];
|
||
|
||
MATH_CalcHMACSHA1(tmphash, buffer, length, CARDiHmacKey, sizeof(CARDiHmacKey));
|
||
|
||
if (MI_CpuComp8(hash, tmphash, sizeof(tmphash)) != 0)
|
||
{
|
||
printf("ROM-hash comparation error!\n");
|
||
}
|
||
}
|
||
#endif
|