After Chip Decryption, Why Can’t the Program Be Modified Directly?

Successfully decrypted MCU firmware displayed as HEX code ready for reprogramming.

Many customers ask the same question: If the program inside the chip has already been read out, does that mean we can directly modify its functions? Actually, no. Chip decryption simply means reading out the existing program data inside the chip. This data is usually a HEX or BIN file that can be recognized by […]