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From: Coiby Xu <coxu@redhat.com>
To: David Howells <dhowells@redhat.com>
Cc: Mimi Zohar <zohar@linux.ibm.com>, Simo Sorce <simo@redhat.com>,
	 Roberto Sassu <roberto.sassu@huawei.com>,
	Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
	 Eric Snowberg <eric.snowberg@oracle.com>,
	Eric Biggers <ebiggers@kernel.org>,
	 linux-integrity@vger.kernel.org, linux-crypto@vger.kernel.org,
	keyrings@vger.kernel.org,  linux-modules@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: IMA and PQC
Date: Tue, 3 Feb 2026 21:43:03 +0800	[thread overview]
Message-ID: <aYH5AlnUIv9MPRiY@Rk> (raw)
In-Reply-To: <2265997.1769782221@warthog.procyon.org.uk>

On Fri, Jan 30, 2026 at 02:10:21PM +0000, David Howells wrote:
>Coiby Xu <coxu@redhat.com> wrote:
>
>> Take latest fresh CentOS Stream 10 x86_64 KVM guest as example, without any
>> file system optimization, extra ~189MB disk space is needed if all files in
>> /usr signed using by ML-DSA-65 where the disk size is 50G.
>
>Is that storing raw signatures rather than PKCS#7 wrapped signatures?

Yes, it's storing raw signatures + per ~20 bytes overhead including the
4-byte key ID.

>
>David
>

-- 
Best regards,
Coiby


  reply	other threads:[~2026-02-03 13:45 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-23 17:43 IMA and PQC David Howells
2026-01-26 21:04 ` Mimi Zohar
2026-01-26 21:36   ` David Howells
2026-01-26 22:54     ` Mimi Zohar
2026-01-30 11:17 ` Coiby Xu
2026-01-30 14:10   ` David Howells
2026-02-03 13:43     ` Coiby Xu [this message]
2026-01-30 20:31   ` Johannes Wiesböck
2026-02-03 13:32     ` Coiby Xu
2026-02-25 14:25       ` Stefan Berger
2026-02-26  0:10         ` Eric Biggers
2026-02-26 12:42           ` Stefan Berger
2026-02-26 14:16             ` Stefan Berger
2026-02-26 15:27               ` Simo Sorce
2026-02-26 16:58                 ` Eric Biggers
2026-02-26 17:22                   ` Stefan Berger
2026-02-26 18:32                     ` Eric Biggers
2026-02-26 19:21                       ` Stefan Berger
2026-02-26 19:44                         ` Eric Biggers
2026-02-26 21:05                           ` Stefan Berger
2026-02-26 18:42                     ` Simo Sorce

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