linux-kernel - [PATCH v2 1/4] crypto: ecdh: fix ecdh-nist-p192's entry in testmgr

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Date:   Sat, 22 May 2021 10:21:21 +0800
From:   Hui Tang <tanghui20@...wei.com>
To:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>
CC:     <linux-crypto@...r.kernel.org>, <xuzaibo@...wei.com>,
        <wangzhou1@...ilicon.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/4] crypto: ecdh: fix ecdh-nist-p192's entry in testmgr

Add a comment that p192 will fail to register in FIPS mode.

Fix ecdh-nist-p192's entry in testmgr by removing the ifdefs
and not setting fips_allowed.

Signed-off-by: Hui Tang <tanghui20@...wei.com>
---
 crypto/ecdh.c    | 1 +
 crypto/testmgr.c | 3 ---
 crypto/testmgr.h | 2 --
 3 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/crypto/ecdh.c b/crypto/ecdh.c
index 04a427b..4227d35 100644
--- a/crypto/ecdh.c
+++ b/crypto/ecdh.c
@@ -179,6 +179,7 @@ static int ecdh_init(void)
 {
 	int ret;
 
+	/* NIST p192 will fail to register in FIPS mode */
 	ret = crypto_register_kpp(&ecdh_nist_p192);
 	ecdh_nist_p192_registered = ret == 0;
 
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 10c5b3b..26e40db 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -4899,15 +4899,12 @@ static const struct alg_test_desc alg_test_descs[] = {
 		}
 	}, {
 #endif
-#ifndef CONFIG_CRYPTO_FIPS
 		.alg = "ecdh-nist-p192",
 		.test = alg_test_kpp,
-		.fips_allowed = 1,
 		.suite = {
 			.kpp = __VECS(ecdh_p192_tv_template)
 		}
 	}, {
-#endif
 		.alg = "ecdh-nist-p256",
 		.test = alg_test_kpp,
 		.fips_allowed = 1,
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 34e4a3d..fe1e59d 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -2685,7 +2685,6 @@ static const struct kpp_testvec curve25519_tv_template[] = {
 }
 };
 
-#ifndef CONFIG_CRYPTO_FIPS
 static const struct kpp_testvec ecdh_p192_tv_template[] = {
 	{
 	.secret =
@@ -2725,7 +2724,6 @@ static const struct kpp_testvec ecdh_p192_tv_template[] = {
 	.expected_ss_size = 24
 	}
 };
-#endif
 
 static const struct kpp_testvec ecdh_p256_tv_template[] = {
 	{
-- 
2.8.1