From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33E0CCCA479 for ; Tue, 28 Jun 2022 12:32:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345673AbiF1McM convert rfc822-to-8bit (ORCPT ); Tue, 28 Jun 2022 08:32:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345614AbiF1McL (ORCPT ); Tue, 28 Jun 2022 08:32:11 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25F9B2E9C3; Tue, 28 Jun 2022 05:32:11 -0700 (PDT) Received: from fraeml715-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4LXP8t3QSTz6855h; Tue, 28 Jun 2022 20:31:26 +0800 (CST) Received: from fraeml714-chm.china.huawei.com (10.206.15.33) by fraeml715-chm.china.huawei.com (10.206.15.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 28 Jun 2022 14:32:09 +0200 Received: from fraeml714-chm.china.huawei.com ([10.206.15.33]) by fraeml714-chm.china.huawei.com ([10.206.15.33]) with mapi id 15.01.2375.024; Tue, 28 Jun 2022 14:32:09 +0200 From: Roberto Sassu To: "ast@kernel.org" , "daniel@iogearbox.net" , "andrii@kernel.org" , "kpsingh@kernel.org" , "john.fastabend@gmail.com" , "songliubraving@fb.com" , "kafai@fb.com" , "yhs@fb.com" , "dhowells@redhat.com" CC: "keyrings@vger.kernel.org" , "bpf@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "linux-security-module@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v6 5/5] selftests/bpf: Add test for bpf_verify_pkcs7_signature() helper Thread-Topic: [PATCH v6 5/5] selftests/bpf: Add test for bpf_verify_pkcs7_signature() helper Thread-Index: AQHYiuqztw8/FQ63U0mmvw4+rrmglK1kwAzg Date: Tue, 28 Jun 2022 12:32:09 +0000 Message-ID: <96c8a537297242f9a01b8124179611d6@huawei.com> References: <20220628122750.1895107-1-roberto.sassu@huawei.com> <20220628122750.1895107-6-roberto.sassu@huawei.com> In-Reply-To: <20220628122750.1895107-6-roberto.sassu@huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.221.98.153] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: > From: Roberto Sassu > Sent: Tuesday, June 28, 2022 2:28 PM > Ensure that signature verification is performed successfully from an eBPF > program, with the new bpf_verify_pkcs7_signature() helper. > > Generate a testing signature key and compile sign-file from scripts/, so > that the test is selfcontained. Also, search for the tcb_bic.ko kernel > module, parse it in user space to extract the raw PKCS#7 signature and send > it to the eBPF program for signature verification. If tcb_bic.ko is not > found, the test does not fail. Ops, tcp_bic.ko. Roberto