Hello everyone,
I would like to write a driver to support the "Security System" hardware
block on some Allwinner ARM SoCs. The hardware supports AES, DES, 3DES,
SHA-1, MD5 and has a PRNG. Data passing is done via two FIFOs. You can
find some ugly userspace code to calculate a SHA1 hash here, so you can
get an idea of how it works:
http://git.elopez.com.ar/ss-poc/raw/31c57d893ce8913aa0d87c982f5350433fbe89c7/md5-tool.c
My main issue at the moment is that I do not have any experience working
with the crypto API, and that I found the documentation on
Documentation/ lacking for my purposes. I'd be very grateful if you
could suggest me reading material to understand the "hardware-oriented"
API better, and if you could point me to good drivers I could use as an
example when developing my own.
Thanks!
Emilio
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