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User5672017-12-18 00:08:08
reverse engineering
User567, 2017-12-18 00:08:08

The checksum in the firmware of the router is not suitable?

With the help of binwalk I looked at the information about the firmware.
5a36d8dcd3d0b451410183.png
The header is located at offset 0x5c08 (23560), the checksum of the header is 0x86AD7AF5 .
I wanted to check this checksum by cutting the header from the firmware using magic: dd if=firm.bin bs=1 count=64 skip=$((0x5c08)) of=header.bin I
used the crc32 program , the result was 0x2D95FAB6 .
Question: Am I doing everything right?

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