Linux cryptographic layer development
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From: Stephan Mueller <smueller@chronox.de>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
	Jeff Barnes <jeffbarnes@microsoft.com>,
	Vladis Dronov <vdronov@redhat.com>,
	"marcelo.cerri@canonical.com" <marcelo.cerri@canonical.com>,
	Tyler Hicks <Tyler.Hicks@microsoft.com>,
	Shyam Saini <shyamsaini@microsoft.com>
Subject: Re: Intermittent EHEALTH Failure in FIPS Mode - jitterentropy jent_entropy_init() in Kernel 6.6.14
Date: Thu, 08 Aug 2024 07:56:39 +0200	[thread overview]
Message-ID: <2533289.B1Duu4BR7M@tauon.atsec.com> (raw)
In-Reply-To: <ZrRUzaPVqoDAcRLk@gondor.apana.org.au>

Am Donnerstag, 8. August 2024, 07:17:01 MESZ schrieb Herbert Xu:

Hi Herbert,

> On Wed, Aug 07, 2024 at 03:21:04PM +0200, Stephan Mueller wrote:
> > The proper way to handle it is the following: set
> > CONFIG_CRYPTO_JITTERENTROPY_OSR to a higer value as it is - like 3 (the
> > default is 1). The higher you set it the slower the collection will get as
> > more samples are collected.
> 
> Stephan, it's not acceptable to rely on adjusting a Kconfig knob
> to obtain a working system.  This needs to work out of the box.

The user-space version uses an OSR of 3. Using this value, I have not heard of 
any problems. I will prepare a patch.
> 
> Thanks,


Ciao
Stephan



  reply	other threads:[~2024-08-08  5:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <DM4PR21MB360932816FA7B848D7D8F7B0C7B82@DM4PR21MB3609.namprd21.prod.outlook.com>
2024-08-07 13:21 ` Intermittent EHEALTH Failure in FIPS Mode - jitterentropy jent_entropy_init() in Kernel 6.6.14 Stephan Mueller
2024-08-08  5:17   ` Herbert Xu
2024-08-08  5:56     ` Stephan Mueller [this message]
2024-08-08  6:10       ` Herbert Xu
2024-08-08  6:13         ` Stephan Mueller
2024-08-08  6:20           ` Herbert Xu
2024-08-08 14:08             ` [EXTERNAL] " Jeff Barnes
2024-08-12  6:25     ` [PATCH] crypto: JENT - set default OSR to 3 Stephan Mueller
2024-08-24 13:48       ` Herbert Xu
2024-08-07 13:07 Intermittent EHEALTH Failure in FIPS Mode - jitterentropy jent_entropy_init() in Kernel 6.6.14 Jeff Barnes

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