Balong SignCheck validates Secure Boot (a.k.a. secuboot) signature of Huawei LTE routers and modems based on Balong V7R11 (E3372h, E5573, E5577, E5770, E8372, etc) and V7R5 (B612s, B618s, B715s) platforms, and prints MD5 hash which should be/is programmed in efuse group0-3 for HiSilicon chip to boot in secuboot mode.
The utility accepts usbloader/M3Boot firmware partition/mtdblock0 flash image dump as input.
Example output:
$ ./balong_signcheck.py usbloader-5573cs-322.bin
Huawei Balong V7R11/V7R5 LTE modems firmware/usbloader signature tool
https://github.com/Huawei-LTE-routers-mods
NOTE: everything in the image is stored in little-endian, either fully or by 32 bits.
Sec_image_len: 3412
Checking Root CA…
⇒ MD5 sha256hmac: 973900451a9d22682c9067ec7a0b24f4
⇒ Found KNOWN HASH(2): E5577s/Bs .76 STC / E3372s-153 .161 Beeline / E8372s-153 .306 Zong/Warid / E8372h-608 .274 Telenor / E5573s-320 .306 Zong / E5573cs .274 Telenor
Efuse group0: 45003997
Efuse group1: 68229d1a
Efuse group2: ec67902c
Efuse group3: f4240b7a
Efuses are shown little-endian, as printed by bsp_efuse_show
Checking OEM CA…
Checking data signature with OEM CA…
⇒ All OK, hashes match, M3Boot/usbloader.bin is signed correctly
NOTE: if you loaded usbloader, this utility checks only signature of the first partition (raminit).
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