lexmark-blog1-2.c

typedef struct {
   unsigned int Version;
   unsigned int Identifier;
   unsigned int Trusted;
   unsigned int IssueDate;
   unsigned int OEMUniqueID;
} VERSION_I;

typedef struct {
   unsigned int Reserved[5];
   unsigned int BootFlashSign;
} FLASH_I, *pFLASH_I;

// Constant part of the header
typedef struct {
{ 
   VERSION_I VersionBind;
   FLASH_I FlashInfo;
   unsigned int NumImages;
   unsigned int NumKeys;
   unsigned int SizeOfReserved;
} CTIM, *pCTIM;

typedef struct {
   uint32_t ImageID;                      // Indicate which Image
   uint32_t NextImageID;                  // Indicate next image in the chain
   uint32_t FlashEntryAddr;               // Block numbers for NAND
   uint32_t LoadAddr;
   uint32_t ImageSize;
   uint32_t ImageSizeToHash;
   HASHALGORITHMID_T HashAlgorithmID;     // See HASHALGORITHMID_T
   uint32_t Hash[16];                     // Reserve 512 bits for the hash
   uint32_t PartitionNumber;
} IMAGE_INFO_3_4_0, *pIMAGE_INFO_3_4_0;   // 0x60 bytes

typedef struct {
   unsigned intKeyID;
   unsigned int HashAlgorithmID;
   unsigned int ModulusSize;
   unsigned int PublicKeySize;
   unsigned int RSAPublicExponent[64];
   unsigned int RSAModulus[64];
   unsigned int KeyHash[8];
} KEY_MOD, *pKEY_MOD;

typedef struct {
   pCTIM pConsTIM;                        // Constant part
   pIMAGE_INFO pImg;                      // Pointer to Images (v 3.4.0)
   pKEY_MOD pKey;                         // Pointer to Keys
   unsigned int *pReserved;               // Pointer to Reserved Area
   pPLAT_DS pTBTIM_DS;                    // Pointer to Digital Signature
} TIM;