From patchwork Sun Jan 15 17:24:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 13102419 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 5E3FEC3DA78 for ; Sun, 15 Jan 2023 17:24:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231349AbjAORY0 (ORCPT ); Sun, 15 Jan 2023 12:24:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230307AbjAORYY (ORCPT ); Sun, 15 Jan 2023 12:24:24 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4E88113CD; Sun, 15 Jan 2023 09:24:22 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 67072B80B8A; Sun, 15 Jan 2023 17:24:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFD2EC433EF; Sun, 15 Jan 2023 17:24:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673803460; bh=Ji+xFET7VBoHvSkc5p2kDI9yqVAW6IUXD5IEaE75c6Y=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=jlpMIpkMmivdC7O/LSx9DQ7cLo08sRj6Y4Pyn8vzdDaejatBhL/JIu2Dgd/CqzyS2 Bsoe0xt08Rzi1co0RnoVrjOgYQSgBrLzEuJg5+/f6mMHxthHe5G2TjDAY07CSrkjJo b+kShqKciXVcFRKEe8Z+POigPhJbwkeJik7CNtAA1arxbSS0wpgEMRqJQ5AlUHT74Z 4qkPdy1lDdcv4EQkG4rOlFUq0Y8gsD7wZ7AWQnoxU+91uG5kTm32BUta5KIf2/+7JF bRySXshL7fWRJBWyojd4U6mzkfO2jnY6lkhS2a5UFHQfBQu1IHed6zogmnxc030HIq u2cyZragOaBXQ== Subject: [PATCH v2 38/41] SUNRPC: Add KDF-HMAC-SHA2 Kunit tests From: Chuck Lever To: linux-nfs@vger.kernel.org Cc: dhowells@redhat.com, simo@redhat.com, linux-kselftest@vger.kernel.org Date: Sun, 15 Jan 2023 12:24:18 -0500 Message-ID: <167380345893.10651.18292121688919694238.stgit@bazille.1015granger.net> In-Reply-To: <167380196429.10651.4103075913257868035.stgit@bazille.1015granger.net> References: <167380196429.10651.4103075913257868035.stgit@bazille.1015granger.net> User-Agent: StGit/1.5 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Chuck Lever RFC 8009 provides sample key derivation results, so Kunit tests are added to ensure our implementation derives the expected keys for the provided sample input. Tested-by: Scott Mayhew Signed-off-by: Chuck Lever --- net/sunrpc/.kunitconfig | 3 + net/sunrpc/auth_gss/gss_krb5_test.c | 113 +++++++++++++++++++++++++++++++++++ 2 files changed, 115 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/.kunitconfig b/net/sunrpc/.kunitconfig index 90d0ad430e7e..a55a00fa649b 100644 --- a/net/sunrpc/.kunitconfig +++ b/net/sunrpc/.kunitconfig @@ -14,6 +14,8 @@ CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_CMAC=y CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_SHA1=y +CONFIG_CRYPTO_SHA256=y +CONFIG_CRYPTO_SHA512=y CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_CAMELLIA=y @@ -24,4 +26,5 @@ CONFIG_RPCSEC_GSS_KRB5=y CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_DES=y CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA1=y CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_CAMELLIA=y +CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA2=y CONFIG_RPCSEC_GSS_KRB5_KUNIT_TEST=y diff --git a/net/sunrpc/auth_gss/gss_krb5_test.c b/net/sunrpc/auth_gss/gss_krb5_test.c index 3d8d41aab5fe..ad4737b60b56 100644 --- a/net/sunrpc/auth_gss/gss_krb5_test.c +++ b/net/sunrpc/auth_gss/gss_krb5_test.c @@ -1417,9 +1417,120 @@ static struct kunit_suite rfc6803_suite = { .test_cases = rfc6803_test_cases, }; +/* + * From RFC 8009 Appendix A. Test Vectors + * + * Sample results for SHA-2 enctype key derivation + * + * This test material is copyright (c) 2016 IETF Trust and the + * persons identified as the document authors. All rights reserved. + */ + +DEFINE_HEX_XDR_NETOBJ(aes128_cts_hmac_sha256_128_basekey, + 0x37, 0x05, 0xd9, 0x60, 0x80, 0xc1, 0x77, 0x28, + 0xa0, 0xe8, 0x00, 0xea, 0xb6, 0xe0, 0xd2, 0x3c +); +DEFINE_HEX_XDR_NETOBJ(aes128_cts_hmac_sha256_128_Kc, + 0xb3, 0x1a, 0x01, 0x8a, 0x48, 0xf5, 0x47, 0x76, + 0xf4, 0x03, 0xe9, 0xa3, 0x96, 0x32, 0x5d, 0xc3 +); +DEFINE_HEX_XDR_NETOBJ(aes128_cts_hmac_sha256_128_Ke, + 0x9b, 0x19, 0x7d, 0xd1, 0xe8, 0xc5, 0x60, 0x9d, + 0x6e, 0x67, 0xc3, 0xe3, 0x7c, 0x62, 0xc7, 0x2e +); +DEFINE_HEX_XDR_NETOBJ(aes128_cts_hmac_sha256_128_Ki, + 0x9f, 0xda, 0x0e, 0x56, 0xab, 0x2d, 0x85, 0xe1, + 0x56, 0x9a, 0x68, 0x86, 0x96, 0xc2, 0x6a, 0x6c +); + +DEFINE_HEX_XDR_NETOBJ(aes256_cts_hmac_sha384_192_basekey, + 0x6d, 0x40, 0x4d, 0x37, 0xfa, 0xf7, 0x9f, 0x9d, + 0xf0, 0xd3, 0x35, 0x68, 0xd3, 0x20, 0x66, 0x98, + 0x00, 0xeb, 0x48, 0x36, 0x47, 0x2e, 0xa8, 0xa0, + 0x26, 0xd1, 0x6b, 0x71, 0x82, 0x46, 0x0c, 0x52 +); +DEFINE_HEX_XDR_NETOBJ(aes256_cts_hmac_sha384_192_Kc, + 0xef, 0x57, 0x18, 0xbe, 0x86, 0xcc, 0x84, 0x96, + 0x3d, 0x8b, 0xbb, 0x50, 0x31, 0xe9, 0xf5, 0xc4, + 0xba, 0x41, 0xf2, 0x8f, 0xaf, 0x69, 0xe7, 0x3d +); +DEFINE_HEX_XDR_NETOBJ(aes256_cts_hmac_sha384_192_Ke, + 0x56, 0xab, 0x22, 0xbe, 0xe6, 0x3d, 0x82, 0xd7, + 0xbc, 0x52, 0x27, 0xf6, 0x77, 0x3f, 0x8e, 0xa7, + 0xa5, 0xeb, 0x1c, 0x82, 0x51, 0x60, 0xc3, 0x83, + 0x12, 0x98, 0x0c, 0x44, 0x2e, 0x5c, 0x7e, 0x49 +); +DEFINE_HEX_XDR_NETOBJ(aes256_cts_hmac_sha384_192_Ki, + 0x69, 0xb1, 0x65, 0x14, 0xe3, 0xcd, 0x8e, 0x56, + 0xb8, 0x20, 0x10, 0xd5, 0xc7, 0x30, 0x12, 0xb6, + 0x22, 0xc4, 0xd0, 0x0f, 0xfc, 0x23, 0xed, 0x1f +); + +static const struct gss_krb5_test_param rfc8009_kdf_test_params[] = { + { + .desc = "Derive Kc subkey for aes128-cts-hmac-sha256-128", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .base_key = &aes128_cts_hmac_sha256_128_basekey, + .usage = &usage_checksum, + .expected_result = &aes128_cts_hmac_sha256_128_Kc, + }, + { + .desc = "Derive Ke subkey for aes128-cts-hmac-sha256-128", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .base_key = &aes128_cts_hmac_sha256_128_basekey, + .usage = &usage_encryption, + .expected_result = &aes128_cts_hmac_sha256_128_Ke, + }, + { + .desc = "Derive Ki subkey for aes128-cts-hmac-sha256-128", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .base_key = &aes128_cts_hmac_sha256_128_basekey, + .usage = &usage_integrity, + .expected_result = &aes128_cts_hmac_sha256_128_Ki, + }, + { + .desc = "Derive Kc subkey for aes256-cts-hmac-sha384-192", + .enctype = ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .base_key = &aes256_cts_hmac_sha384_192_basekey, + .usage = &usage_checksum, + .expected_result = &aes256_cts_hmac_sha384_192_Kc, + }, + { + .desc = "Derive Ke subkey for aes256-cts-hmac-sha384-192", + .enctype = ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .base_key = &aes256_cts_hmac_sha384_192_basekey, + .usage = &usage_encryption, + .expected_result = &aes256_cts_hmac_sha384_192_Ke, + }, + { + .desc = "Derive Ki subkey for aes256-cts-hmac-sha384-192", + .enctype = ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .base_key = &aes256_cts_hmac_sha384_192_basekey, + .usage = &usage_integrity, + .expected_result = &aes256_cts_hmac_sha384_192_Ki, + }, +}; + +/* Creates the function rfc8009_kdf_gen_params */ +KUNIT_ARRAY_PARAM(rfc8009_kdf, rfc8009_kdf_test_params, gss_krb5_get_desc); + +static struct kunit_case rfc8009_test_cases[] = { + { + .name = "RFC 8009 key derivation", + .run_case = kdf_case, + .generate_params = rfc8009_kdf_gen_params, + }, +}; + +static struct kunit_suite rfc8009_suite = { + .name = "RFC 8009 suite", + .test_cases = rfc8009_test_cases, +}; + kunit_test_suites(&rfc3961_suite, &rfc3962_suite, - &rfc6803_suite); + &rfc6803_suite, + &rfc8009_suite); MODULE_DESCRIPTION("Test RPCSEC GSS Kerberos 5 functions"); MODULE_LICENSE("GPL");