mirror of
https://git.yoctoproject.org/poky
synced 2026-02-22 17:39:39 +01:00
812dbc2769
Integrating the following commit(s) to linux-yocto/6.6:
1/1 [
Author: Stephan Müller
Email: smueller@chronox.de
Subject: crypto: jitter - add RCT/APT support for different OSRs
Date: Thu, 21 Sep 2023 13:48:11 +0200
The oversampling rate (OSR) value specifies the heuristically implied
entropy in the recorded data - H_submitter = 1/osr. A different entropy
estimate implies a different APT/RCT cutoff value. This change adds
support for OSRs 1 through 15. This OSR can be selected by the caller
of the Jitter RNG.
For this patch, the caller still uses one hard-coded OSR. A subsequent
patch allows this value to be configured.
In addition, the power-up self test is adjusted as follows:
* It allows the caller to provide an oversampling rate that should be
tested with - commonly it should be the same as used for the actual
runtime operation. This makes the power-up testing therefore consistent
with the runtime operation.
* It calls now jent_measure_jitter (i.e. collects the full entropy
that can possibly be harvested by the Jitter RNG) instead of only
jent_condition_data (which only returns the entropy harvested from
the conditioning component). This should now alleviate reports where
the Jitter RNG initialization thinks there is too little entropy.
* The power-up test now solely relies on the (enhanced) APT and RCT
test that is used as a health test at runtime.
The code allowing the different OSRs as well as the power-up test
changes are present in the user space version of the Jitter RNG 3.4.1
and thus was already in production use for some time.
Reported-by "Ospan, Abylay" <aospan@amazon.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
]
(From OE-Core rev: 1349b759e9b8f363ab9a9feec531f3a877f97dec)
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
34 lines
1.0 KiB
BlitzBasic
34 lines
1.0 KiB
BlitzBasic
KBRANCH ?= "v6.6/standard/tiny/base"
|
|
|
|
LINUX_KERNEL_TYPE = "tiny"
|
|
KCONFIG_MODE = "--allnoconfig"
|
|
|
|
require recipes-kernel/linux/linux-yocto.inc
|
|
|
|
# CVE exclusions
|
|
include recipes-kernel/linux/cve-exclusion_6.6.inc
|
|
|
|
LINUX_VERSION ?= "6.6.9"
|
|
LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
|
|
|
|
DEPENDS += "${@bb.utils.contains('ARCH', 'x86', 'elfutils-native', '', d)}"
|
|
DEPENDS += "openssl-native util-linux-native"
|
|
|
|
KMETA = "kernel-meta"
|
|
KCONF_BSP_AUDIT_LEVEL = "2"
|
|
|
|
SRCREV_machine ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
|
|
SRCREV_meta ?= "11390e802ca72f3549b9356f036b17e54afd7a34"
|
|
|
|
PV = "${LINUX_VERSION}+git"
|
|
|
|
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;branch=${KBRANCH};name=machine;protocol=https \
|
|
git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-6.6;destsuffix=${KMETA};protocol=https"
|
|
|
|
COMPATIBLE_MACHINE = "^(qemux86|qemux86-64|qemuarm64|qemuarm|qemuarmv5)$"
|
|
|
|
# Functionality flags
|
|
KERNEL_FEATURES = ""
|
|
|
|
KERNEL_DEVICETREE:qemuarmv5 = "arm/versatile-pb.dtb"
|