Digital Signature

A digital signature is a kind of cryptography that ensures message integrity, authenticity, and non-repudiation.

The process of applying digital signatures in the security mode (see Figure 5) includes:

• Signing: Users can apply a digital signature to firmware, and download information related to digital signatures to eFuse and Flash memories with GProgrammer.
• Verifying: Bootloader obtains the relevant information from eFuse and Flash memories during booting, to verify the digital signature of firmware.