int sunxi_secure_storage_write(const char *item_name, char *buffer, int length)
{
int ret, index;
char tmp_buf[4096];
if(!secure_storage_inited)
{
printf("%s err: secure storage has not been inited\n", __func__);
return -1;
}
index = __fill_name_in_map(secure_storage_map, item_name, length);
if(index < 0)
{
printf("write secure storage block %d name %s overrage\n", index, item_name);
return -1;
}
memset(tmp_buf, 0x0, 4096);
memcpy(tmp_buf, buffer, length);
ret = sunxi_secstorage_write(index, (unsigned char *)tmp_buf, 4096);
if(ret<0)
{
printf("write secure storage block %d name %s err\n", index, item_name);
return -1;
}
printf("write secure storage: %d ok\n", index);
return 0;
}
int sunxi_secure_storage_erase(const char *item_name)
{
int ret, index;
unsigned char buffer[4096];
if(!secure_storage_inited)
{
printf("%s err: secure storage has not been inited\n", __func__);
return -1;
}
index = __discard_name_in_map(secure_storage_map, item_name);
if(index < 0)
{
printf("no item name %s in the map\n", item_name);
return -2;
}
memset(buffer, 0xff, 4096);
ret = sunxi_secstorage_write(index, buffer, 4096);
if(ret<0)
{
printf("erase secure storage block %d name %s err\n", index, item_name);
return -1;
}
printf("erase secure storage: %d ok\n", index);
return 0;
}
static int clear_secure_store(int index)
{
memset( _inner_buffer, 0, 4096);
if(index == 0xffff){
int i =0 ;
printf("clean whole secure store");
for( ; i<32 ;i++){
printf("..");
sunxi_secstorage_write(i, (void *)_inner_buffer, 4096);
printf("clearn %d done\n",i);
}
}else{
printf("clean secure store %d\n", index);
printf("..");
sunxi_secstorage_write(index, (void *)_inner_buffer, 4096);
printf("clearn %d done\n",index);
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
int sunxi_secure_storage_exit(void)
{
int ret;
if(!secure_storage_inited)
{
printf("%s err: secure storage has not been inited\n", __func__);
return -1;
}
ret = sunxi_secstorage_write(0, secure_storage_map, 4096);
if(ret<0)
{
printf("write secure storage map\n");
return -1;
}
return 0;
}
