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FIT Signature Verification

1 min read

https://medium.com/@bn121rajesh/rsa-signature-verification-in-u-boot-ff9f9157c15a

https://source.denx.de/u-boot/u-boot/blob/master/doc/uImage.FIT/verified-boot.txt

http://www.pacificsimplicity.ca/blog/verified-boot-%E2%80%93-introduction-u-boot%E2%80%99s-secure-boot/

  • Kernel image is loaded into memory by U-Boot and can be verified in U-Boot.
  • U-Boot provided utility functions to verify the signature. Currently U-Boot supports RSA signature verification encrypted on SHA1 / SHA256 message digests.

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