[U-Boot] Secure booting

[Heiko Schocher]

Hello JYOTI,

Am 13.02.2014 08:42, schrieb JYOTI DUBEY:
> Can I obtain information as how secure booting works.How the keys and
> certificates are generated and also encryption and decryption steps
> involved in the authentication process. i would like to know just the
> theory behind it not and commands or technical details.
> I have attached pictorial representation of 3 consecutive steps involved in
> secure booting but while I tried to understanding the working though the
> diagram I felt that authentication might never succeed as no decryption is
> taking place.Can anyone please inform how the steps are taking place? I
> have also attached the documentation related to high assurance booting.

Maybe this 2 documents in the u-boot source help you:

u-boot:doc/uImage.FIT/signature.txt
u-boot:doc/uImage.FIT/verified-boot.txt

bye,
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany