From: Roberto Sassu <roberto.sassu@huaweicloud.com>
To: Jarkko Sakkinen <jarkko@kernel.org>,
dhowells@redhat.com, dwmw2@infradead.org,
herbert@gondor.apana.org.au, davem@davemloft.net, ast@kernel.org,
daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev,
song@kernel.org, yhs@fb.com, john.fastabend@gmail.com,
kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
jolsa@kernel.org, rostedt@goodmis.org, mhiramat@kernel.org,
mykolal@fb.com, shuah@kernel.org
Cc: linux-kernel@vger.kernel.org, keyrings@vger.kernel.org,
linux-crypto@vger.kernel.org, bpf@vger.kernel.org,
linux-trace-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org,
Roberto Sassu <roberto.sassu@huawei.com>
Subject: Re: [RFC][PATCH 3/6] verification: Introduce verify_umd_signature() and verify_umd_message_sig()
Date: Wed, 26 Apr 2023 13:42:45 +0200 [thread overview]
Message-ID: <40fbededd8dbe3b70fffb179574f344e9b0aed17.camel@huaweicloud.com> (raw)
In-Reply-To: <CS69GBAMXJ1X.1T8NO0CZUBXLG@suppilovahvero>
On Wed, 2023-04-26 at 03:28 +0300, Jarkko Sakkinen wrote:
> On Tue Apr 25, 2023 at 8:35 PM EEST, Roberto Sassu wrote:
> > From: Roberto Sassu <roberto.sassu@huawei.com>
> >
> > Introduce verify_umd_signature() and verify_umd_message_sig(), to verify
> > UMD-parsed signatures from detached data. It aims to be used by kernel
> > subsystems wishing to verify the authenticity of system data, with
> > system-defined keyrings as trust anchor.
>
> UMD is not generic knowledge. It is a term coined up in this patch set
> so please open code it to each patch.
Yes, Linus also commented on this:
https://lwn.net/ml/linux-kernel/CAHk-=wihqhksXHkcjuTrYmC-vajeRcNh3s6eeoJNxS7wp77dFQ@mail.gmail.com/
I will check if the full name is mentioned at least once. So far, it
seems that using umd for function names should be ok.
> One discussion points should be what these handlers should be called.
> Right now the patch set is misleads the reader to think as this was
> some kind of "official" term and set to stone.
I proposed some naming here (dependency of this patch set):
https://lore.kernel.org/bpf/20230317145240.363908-6-roberto.sassu@huaweicloud.com/
Please let me know if it sounds reasonable to you.
Thanks
Roberto
next prev parent reply other threads:[~2023-04-26 11:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-25 17:35 [RFC][PATCH 0/6] KEYS: Introduce user mode key and signature parsers Roberto Sassu
2023-04-25 17:35 ` [RFC][PATCH 1/6] KEYS: asymmetric: Introduce UMD-based asymmetric key parser Roberto Sassu
2023-04-25 17:35 ` [RFC][PATCH 2/6] KEYS: asymmetric: Introduce UMD-based asymmetric key signature parser Roberto Sassu
2023-04-25 17:35 ` [RFC][PATCH 3/6] verification: Introduce verify_umd_signature() and verify_umd_message_sig() Roberto Sassu
2023-04-26 0:28 ` Jarkko Sakkinen
2023-04-26 11:42 ` Roberto Sassu [this message]
2023-04-26 18:25 ` Jarkko Sakkinen
2023-04-26 18:27 ` Jarkko Sakkinen
2023-04-25 17:35 ` [RFC][PATCH 4/6] bpf: Introduce bpf_verify_umd_signature() kfunc Roberto Sassu
2023-04-25 21:25 ` Yonghong Song
2023-04-26 11:44 ` Roberto Sassu
2023-04-25 17:35 ` [RFC][PATCH 5/6] selftests/bpf: Prepare a test for UMD-parsed signatures Roberto Sassu
2023-04-25 17:35 ` [RFC][PATCH 6/6] KEYS: asymmetric: Add UMD handler Roberto Sassu
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