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gnu: Add jitterentropy-rngd.

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* gnu/packages/linux.scm (jitterentropy-rngd): New public variable.
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Tobias Geerinckx-Rice 2021-01-06 00:39:48 +01:00
parent 0eacdd462e
commit c23541112d
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49
gnu/packages/linux.scm
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@ -7,7 +7,7 @@
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2015, 2016, 2017, 2018, 2020 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
;;; Copyright © 2016, 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2016–2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2016, 2017 Alex Kost <alezost@gmail.com>
;;; Copyright © 2016 Raymond Nicholson <rain1@openmailbox.org>
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
@ -2245,6 +2245,53 @@ (define-public iptables
Both commands are targeted at system administrators.")
(license license:gpl2+)))
(define-public jitterentropy-rngd
(package
(name "jitterentropy-rngd")
(version "1.2.0")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/smuellerDD/jitterentropy-rngd")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(sha256
(base32 "1fb8zfwhwkl1d8n4cdn7rdv5rwd75qgc00d36pmkl7wgnj3c9xda"))))
(build-system gnu-build-system)
(arguments
`(#:tests? #f ; no test suite
#:make-flags
(list (string-append "CC=" ,(cc-for-target))
(string-append "PREFIX=" (assoc-ref %outputs "out"))
"UNITDIR=$(PREFIX)/lib/systemd/system")
#:phases
(modify-phases %standard-phases
(delete 'configure)))) ; no ./configure script
(home-page "https://www.chronox.de/jent.html")
(synopsis "CPU jitter random number generator daemon")
(description
"This simple daemon feeds entropy from the CPU Jitter @acronym{RNG, random
number generator} core to the kernel Linux's entropy estimator. This prevents
the @file{/dev/random} device from blocking and should benefit users of the
preferred @file{/dev/urandom} and @code{getrandom()} interfaces too.
The CPU Jitter RNG itself is part of the kernel and claims to provide good
entropy by collecting and magnifying differences in CPU execution time as
measured by the high-resolution timer built into modern CPUs. It requires no
additional hardware or external entropy source.
The random bit stream generated by @command{jitterentropy-rngd} is not processed
by a cryptographically secure whitening function. Nonetheless, its authors
believe it to be a suitable source of cryptographically secure key material or
other cryptographically sensitive data.
If you agree with them, start this daemon as early as possible to provide
properly seeded random numbers to services like SSH or those using TLS during
early boot when entropy may be low, especially in virtualised environments.")
(license (list license:bsd-3 ; or
license:gpl2+))))
(define-public lsscsi
(package
(name "lsscsi")