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opnsense-src/sys/dev/random
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Colin Percival 5c73b3e0a3 Add support for getting early entropy from UEFI 
UEFI provides a protocol for accessing randomness. This is a good way
to gather early entropy, especially when there's no driver for the RNG
on the platform (as is the case on the Marvell Armada8k (MACCHIATObin)
for now).

If the entropy_efi_seed option is enabled in loader.conf (default: YES)
obtain 2048 bytes of entropy from UEFI and pass is to the kernel as a
"module" of name "efi_rng_seed" and type "boot_entropy_platform"; if
present, ingest it into the kernel RNG.

Submitted by:	Greg V
Reviewed by:	markm, kevans
Approved by:	csprng (markm)
MFC after:	3 weeks
Differential Revision:	https://reviews.freebsd.org/D20780
2022-02-17 13:01:11 -08:00
..
fenestrasX kern: harvest entropy from callouts 2022-02-03 10:05:06 -06:00
build.sh Remove the Yarrow PRNG algorithm option in accordance with due notice 2018-08-26 12:51:46 +00:00
darn.c random(4): Reorder configuration of random source modules 2019-08-18 16:04:01 +00:00
fortuna.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (18 of many) 2020-02-27 13:12:14 +00:00
fortuna.h random(4): Fortuna: allow increased concurrency 2019-06-17 20:29:13 +00:00
hash.c random(4): Flip default Fortuna generator over to Chacha20 2019-12-20 21:11:00 +00:00
hash.h random(4): Fortuna: allow increased concurrency 2019-06-17 20:29:13 +00:00
ivy.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (18 of many) 2020-02-27 13:12:14 +00:00
nehemiah.c nehemiah: manually assemble xstore(-rng) 2021-10-23 02:31:16 +03:00
other_algorithm.c random(4): Simplify RANDOM_LOADABLE 2019-12-26 19:32:11 +00:00
other_algorithm.h Remove the Yarrow PRNG algorithm option in accordance with due notice 2018-08-26 12:51:46 +00:00
random_harvestq.c Add support for getting early entropy from UEFI 2022-02-17 13:01:11 -08:00
random_harvestq.h kern: random: drop read_rate and associated functionality 2021-09-23 01:03:01 -05:00
random_infra.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (18 of many) 2020-02-27 13:12:14 +00:00
randomdev.c randomdev: Remove 100 ms sleep from write routine 2021-11-16 10:27:27 -08:00
randomdev.h random(4): Simplify RANDOM_LOADABLE 2019-12-26 19:32:11 +00:00
uint128.h random(4): Fortuna: allow increased concurrency 2019-06-17 20:29:13 +00:00
unit_test.c Remove the Yarrow PRNG algorithm option in accordance with due notice 2018-08-26 12:51:46 +00:00
unit_test.h Remove the Yarrow PRNG algorithm option in accordance with due notice 2018-08-26 12:51:46 +00:00