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Make Backup verifying faster by using SE's SHA256

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This commit is contained in:
Kostas Missos
2018-06-26 19:07:34 +03:00
parent 3f18713f53
commit 37a15ca8ff
2 changed files with 46 additions and 8 deletions
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25
ipl/main.c
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@@ -688,13 +688,15 @@ void power_off()
i2c_send_byte(I2C_5, 0x3C, MAX77620_REG_ONOFFCNFG1, MAX77620_ONOFFCNFG1_PWR_OFF);
}
//TODO: Make it faster!!
int dump_emmc_verify(sdmmc_storage_t *storage, u32 lba_curr, char* outFilename, emmc_part_t *part)
{
FIL fp;
u32 prevPct = 200;
int res = 0;
u8 hashEm[0x20];
u8 hashSd[0x20];
if (f_open(&fp, outFilename, FA_READ) == FR_OK)
{
u32 totalSectorsVer = (u32)(f_size(&fp) >> 9);
@@ -735,11 +737,18 @@ int dump_emmc_verify(sdmmc_storage_t *storage, u32 lba_curr, char* outFilename,
f_close(&fp);
return 1;
}
//TODO: Replace with the config check 2.
if (1)
//TODO: Replace 2 with config variable
switch (2)
{
case 1:
res = memcmp32sparse((u32 *)bufEm, (u32 *)bufSd, num << 9);
else
res = memcmp((u32 *)bufEm, (u32 *)bufSd, num << 9);
break;
case 2:
se_calc_sha256(&hashEm, bufEm, num << 9);
se_calc_sha256(&hashSd, bufSd, num << 9);
res = memcmp(hashEm, hashSd, 0x20);
break;
}
if(res)
{
EPRINTFARGS("\nSD card and eMMC data (@LBA %08X),\ndo not match!\n\nVerification failed..\n", num, lba_curr);
@@ -1037,7 +1046,7 @@ int dump_emmc_part(char *sd_path, sdmmc_storage_t *storage, emmc_part_t *part)
f_close(&fp);
//TODO: Replace with the config check.
if (0)
if (1)
{
// Verify last part or single file backup.
if (dump_emmc_verify(storage, lbaStartPart, outFilename, part))
@@ -1176,7 +1185,7 @@ static void dump_emmc_selected(dumpType_t dumpType)
gfx_putc(&gfx_con, '\n');
gfx_printf(&gfx_con, "Time taken: %d seconds.\n", get_tmr_s() - timer);
sdmmc_storage_end(&storage);
if (res && 0) //TODO: Replace with the config check.
if (res && 1) //TODO: Replace with the config check.
gfx_printf(&gfx_con, "\n%kFinished and verified!%k\nPress any key...\n",0xFF96FF00, 0xFFCCCCCC);
else if (res)
gfx_printf(&gfx_con, "\nFinished! Press any key...\n");
@@ -1694,7 +1703,7 @@ ment_t ment_tools[] = {
MDEF_CAPTION("------ Misc -------", 0xFF0AB9E6),
MDEF_HANDLER("Dump package1", dump_package1),
MDEF_HANDLER("Fix SD files attributes", fix_sd_attr),
MDEF_HANDLER("Fix battery de-sync", &fix_battery_desync),
MDEF_HANDLER("Fix battery de-sync", fix_battery_desync),
//MDEF_MENU("Fix fuel gauge configuration", &fix_fuel_gauge_configuration),
MDEF_CHGLINE(),
MDEF_CAPTION("---- Dangerous ----", 0xFFFF0000),