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Code Issues Releases Activity

clean up and a little more validation

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This commit is contained in:
jimzrt 2019-10-04 23:43:10 +02:00
parent 099dc0e67b
commit 6204a01b4f
1 changed files with 18 additions and 17 deletions
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35
source/keys/keys.c
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@ -319,43 +319,43 @@ bool incognito()
gfx_printf("%kWriting junk serial...\n", COLOR_YELLOW);
if (!writeSerial())
return false;
;
gfx_printf("%kErasing client cert...\n", COLOR_YELLOW);
if (!erase(0x0AE0, 0x800)) // client cert
return false;
;
gfx_printf("%kErasing private key...\n", COLOR_YELLOW);
if (!erase(0x3AE0, 0x130)) // private key
return false;
;
gfx_printf("%kErasing deviceId 1/2...\n", COLOR_YELLOW);
if (!erase(0x35E1, 0x006)) // deviceId
return false;
;
gfx_printf("%kErasing deviceId 2/2...\n", COLOR_YELLOW);
if (!erase(0x36E1, 0x006)) // deviceId
return false;
;
gfx_printf("%kErasing device cert 1/2...\n", COLOR_YELLOW);
if (!erase(0x02B0, 0x180)) // device cert
return false;
;
gfx_printf("%kErasing device cert 2/2...\n", COLOR_YELLOW);
if (!erase(0x3D70, 0x240)) // device cert
return false;
;
gfx_printf("%kErasing device key...\n", COLOR_YELLOW);
if (!erase(0x3FC0, 0x240)) // device key
return false;
;
gfx_printf("%kWriting client cert hash...\n", COLOR_YELLOW);
if (!writeClientCertHash())
return false;
;
gfx_printf("%kWriting CAL0 hash...\n", COLOR_YELLOW);
if (!writeCal0Hash())
return false;
;
gfx_printf("\n%kIncognito done!\n\n", COLOR_GREEN);
return true;
@ -494,7 +494,7 @@ bool writeData(u8 *buffer, u32 offset, u32 length, void (*progress_callback)(u32
}
// write whole sectors in chunks while being cluster aligned
u32 sectorCount = ((length - 1) / NX_EMMC_BLOCKSIZE);
u32 sectorCount = length / NX_EMMC_BLOCKSIZE;
tmp = (u8 *)malloc(sectorCount * NX_EMMC_BLOCKSIZE);
u32 clusterOffset = sector % SECTORS_IN_CLUSTER;
@ -609,25 +609,26 @@ bool verifyHash(u32 hashOffset, u32 offset, u32 sz)
{
bool result = false;
u8 *buffer = (u8 *)malloc(sz);
readData(buffer, offset, sz, NULL);
if(!readData(buffer, offset, sz, NULL))
goto out;
u8 hash1[0x20];
se_calc_sha256(hash1, buffer, sz);
u8 hash2[0x20];
readData(hash2, hashOffset, 0x20, NULL);
if(!readData(hash2, hashOffset, 0x20, NULL))
goto out;
if (memcmp(hash1, hash2, 0x20))
{
EPRINTF("error: hash verification failed\n");
gfx_hexdump(0, hash1, 0x20);
gfx_hexdump(0, hash2, 0x20);
}
else
{
result = true;
goto out;
}
result = true;
out:
free(buffer);
return result;
}