From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5CBB418028; Thu, 12 Sep 2024 13:58:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726149522; cv=none; b=MRMSzq2WQ3SMsRHVTOETLm6BG5Ji/dwImhyhcQ1HL8vEV21lTPLOnmQmH1/ISc5KKs7BOG8BDcvPF0ZVtAqAMWsm7xSo72QFNUUdxwk3Lq8yH55FnYX5c69y7+sBSXSqQ+IrViJIZDlQIXfhDgBUSCMPqZGJ2Qor3VeP72Lcb1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726149522; c=relaxed/simple; bh=6FRcDodVvNXxMEWs0BU+xqVfHKs5h4wLPTQ04GUmOCg=; h=Mime-Version:Content-Type:Date:Message-Id:To:Cc:Subject:From: References:In-Reply-To; b=XLiKkoTdS6xKiOnKzGYemyG7CPMzKJkPpAOj6ST2DFZMeocDTDUsaNADr5HGZzJDnz+DyfBLtYB97PTICzZgLcyzDpII4ZYJnZI5uNOcazTDcSbl/5dUB8yFjveTN5x6b7Qlb2kaFybyrYsJhGzjd2xYp3dpjW5gtx73toevsW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=csnbXsrM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="csnbXsrM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F6B5C4CEC3; Thu, 12 Sep 2024 13:58:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726149521; bh=6FRcDodVvNXxMEWs0BU+xqVfHKs5h4wLPTQ04GUmOCg=; h=Date:To:Cc:Subject:From:References:In-Reply-To:From; b=csnbXsrMVhjtFlJMm/GdlZcd0YVEEe9P2wLE2/LxNl6Tj/7AqHqEFqne6tMi56kWl rTGaP0PiDoafBl+nO6n5QRN8B8BrGiW1byyzqPD5Lhvfnwrit55v21g25O8rWPMic6 FXPGzHbeZeqCH7S1/1w4wBSPIRVbs7hF9uC19XM9YN7xXmccxCUrUAOlIUuPdjhoZ6 3PNKWKd9BJ0tKE+HlaGErbJwudt0gTDNdBvUl7xvektWQ4h3a6usU+SmNDFgziI+cC sGktbqHUNVUfigkwGPV3smdnrKLWbQPeqP6eN/iMXuTbzKGBEH9rsOERa6k0DzjTA/ skD4pPs+lwDcQ== Precedence: bulk X-Mailing-List: linux-integrity@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 12 Sep 2024 16:58:38 +0300 Message-Id: To: "Roberto Sassu" , , , , Cc: , , , , , , "Roberto Sassu" Subject: Re: [PATCH v3 05/14] PGPLIB: Signature parser From: "Jarkko Sakkinen" X-Mailer: aerc 0.18.2 References: <20240911122911.1381864-1-roberto.sassu@huaweicloud.com> <20240911122911.1381864-6-roberto.sassu@huaweicloud.com> In-Reply-To: <20240911122911.1381864-6-roberto.sassu@huaweicloud.com> On Wed Sep 11, 2024 at 3:29 PM EEST, Roberto Sassu wrote: > From: David Howells > > Provide some PGP signature parsing helpers: > > (1) A function to parse V4 signature subpackets and pass the desired one= s > to a processor function: > > int pgp_parse_sig_subpkts(const u8 *data, size_t datalen, > struct pgp_parse_sig_context *ctx); > > (2) A function to parse out basic signature parameters from any PGP > signature such that the algorithms and public key can be selected: > > int pgp_parse_sig_params(const u8 **_data, size_t *_datalen, > struct pgp_sig_parameters *p); > > Signed-off-by: David Howells > Co-developed-by: Roberto Sassu > Signed-off-by: Roberto Sassu > --- > crypto/asymmetric_keys/pgp_library.c | 284 +++++++++++++++++++++++++++ > crypto/asymmetric_keys/pgplib.h | 25 +++ > 2 files changed, 309 insertions(+) > > diff --git a/crypto/asymmetric_keys/pgp_library.c b/crypto/asymmetric_key= s/pgp_library.c > index 1b87f8af411b..a9708ccbcb81 100644 > --- a/crypto/asymmetric_keys/pgp_library.c > +++ b/crypto/asymmetric_keys/pgp_library.c > @@ -260,3 +260,287 @@ int pgp_parse_public_key(const u8 **_data, size_t *= _datalen, > return 0; > } > EXPORT_SYMBOL_GPL(pgp_parse_public_key); > + > +/** > + * pgp_parse_sig_subpkt_header - Parse a PGP V4 signature subpacket head= er () BR, Jarkko