linux-kernel - [PATCH 2/2] ima: add sm3-256 algorithm to hash algorithm configuration list

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Date:   Fri,  7 Feb 2020 17:22:19 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net,
        zohar@...ux.ibm.com, dmitry.kasatkin@...il.com, jmorris@...ei.org,
        serge@...lyn.com
Cc:     linux-crypto@...r.kernel.org, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] ima: add sm3-256 algorithm to hash algorithm configuration list

sm3-256 has been supported by the ima hash algorithm, but it is not
yet in the Kconfig configuration list. After adding, both ima and tpm2
can support sm3-256 well.

Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
---
 security/integrity/ima/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index 838476d780e5..27b5df895808 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -112,6 +112,10 @@ choice
 	config IMA_DEFAULT_HASH_WP512
 		bool "WP512"
 		depends on CRYPTO_WP512=y && !IMA_TEMPLATE
+
+	config IMA_DEFAULT_HASH_SM3_256
+		bool "SM3_256"
+		depends on CRYPTO_SM3=y && !IMA_TEMPLATE
 endchoice
 
 config IMA_DEFAULT_HASH
@@ -121,6 +125,7 @@ config IMA_DEFAULT_HASH
 	default "sha256" if IMA_DEFAULT_HASH_SHA256
 	default "sha512" if IMA_DEFAULT_HASH_SHA512
 	default "wp512" if IMA_DEFAULT_HASH_WP512
+	default "sm3-256" if IMA_DEFAULT_HASH_SM3_256
 
 config IMA_WRITE_POLICY
 	bool "Enable multiple writes to the IMA policy"
-- 
2.17.1