drivers/misc/mediatek/masp/asf/core/sec_ccci.c

   1 #include <mach/mt_sec_hal.h>
   2 #include "sec_boot_lib.h"
   3 #include "sec_ccci.h"
   4
   5 /**************************************************************************
   6  *  MODULE NAME
   7  **************************************************************************/
   8 #define MOD                         "SEC_CCCI"
   9
  10 int masp_ccci_signfmt_verify_file(char *file_path, unsigned int *data_offset, unsigned int *data_sec_len)
  11 {
  12     unsigned int ret = SEC_OK;
  13     SEC_IMG_HEADER img_hdr;
  14
  15     *data_offset = 0;
  16     *data_sec_len = 0;
  17
  18     ret = sec_signfmt_verify_file(file_path, &img_hdr, data_offset, data_sec_len);
  19
  20     /* image is not signed */
  21     if( ret == ERR_SIGN_FORMAT_MAGIC_WRONG )
  22     {
  23         if((sec_modem_auth_enabled() == 0) && (sec_schip_enabled() == 0))
  24         {
  25             SMSG(true,"[%s] image has no sec header\n",MOD);
  26                         ret = SEC_OK;
  27                         goto _out;
  28                 }
  29                 else
  30         {
  31             SMSG(true,"[%s] (img not signed) sec_modem_auth_enabled() = %d\n",MOD,sec_modem_auth_enabled());
  32             SMSG(true,"[%s] (img not signed) sec_schip_enabled() = %d\n",MOD,sec_schip_enabled());
  33                         ret = ERR_SIGN_FORMAT_MAGIC_WRONG;
  34                         goto _out;
  35                 }
  36     }
  37
  38     if( ret != SEC_OK )
  39     {
  40         SMSG(true,"[%s] file '%s' verify failed\n",MOD,file_path);
  41         goto _out;
  42     }
  43
  44     SMSG(true,"[%s] data_offset is %d\n",MOD,*data_offset);
  45     SMSG(true,"[%s] data_sec_len is %d\n",MOD,*data_sec_len);
  46
  47 _out:
  48
  49     return ret;
  50 }
  51
  52 int masp_ccci_version_info(void)
  53 {
  54     return CCCI_VERSION;
  55 }
  56
  57 int sec_ccci_file_open(char *file_path)
  58 {
  59     int fp_id;
  60
  61     fp_id = osal_filp_open_read_only(file_path);
  62
  63     if(fp_id != OSAL_FILE_NULL)
  64     {
  65         return fp_id;
  66     }
  67
  68     return -1;
  69 }
  70
  71 int sec_ccci_file_close(int fp_id)
  72 {
  73     return osal_filp_close(fp_id);
  74 }
  75
  76
  77 int masp_ccci_is_cipherfmt(int fp_id, unsigned int start_off, unsigned int *img_len)
  78 {
  79     if( SEC_OK != sec_cipherfmt_check_cipher(fp_id, start_off, img_len) )
  80     {
  81         *img_len = 0;
  82         return 0;
  83     }
  84
  85     return 1;
  86 }
  87
  88 int masp_ccci_decrypt_cipherfmt(int fp_id, unsigned int start_off, char *buf, unsigned int buf_len, unsigned int *data_offset)
  89 {
  90     return sec_cipherfmt_decrypted(fp_id, start_off, buf, buf_len, data_offset);
  91 }
  92
  93 void masp_secure_algo(unsigned char Direction, unsigned int ContentAddr, unsigned int ContentLen, unsigned char *CustomSeed, unsigned char *ResText)
  94 {
  95     return masp_hal_secure_algo(Direction, ContentAddr, ContentLen, CustomSeed, ResText);
  96 }
  97
  98 /* return the result of hwEnableClock ( )
  99    - TRUE  (1) means crypto engine init success
 100    - FALSE (0) means crypto engine init fail    */
 101 unsigned char masp_secure_algo_init(void)
 102 {
 103     return masp_hal_secure_algo_init();
 104 }
 105
 106 /* return the result of hwDisableClock ( )
 107    - TRUE  (1) means crypto engine de-init success
 108    - FALSE (0) means crypto engine de-init fail    */
 109 unsigned char masp_secure_algo_deinit(void)
 110 {
 111     return masp_hal_secure_algo_deinit();
 112 }
 113
 114