linux-kernel - [PATCH] crypto: hisilicon/hpre

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 26 Mar 2021 14:13:32 +0800
From:   Meng Yu <yumeng18@...wei.com>
To:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>
CC:     <linux-crypto@...r.kernel.org>, <xuzaibo@...wei.com>,
        <wangzhou1@...ilicon.com>, <yumeng18@...wei.com>,
        <linux-kernel@...r.kernel.org>, <shenyang39@...wei.com>
Subject: [PATCH] crypto: hisilicon/hpre - rsa key should not be empty

We should ensure key is not empty before we set key.

Signed-off-by: Meng Yu <yumeng18@...wei.com>
---
 drivers/crypto/hisilicon/hpre/hpre_crypto.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index 53068d2..7cf7d80 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -1093,6 +1093,9 @@ static int hpre_rsa_setpubkey(struct crypto_akcipher *tfm, const void *key,
 	struct hpre_ctx *ctx = akcipher_tfm_ctx(tfm);
 	int ret;
 
+	if (!key || !keylen)
+		return -EINVAL;
+
 	ret = crypto_akcipher_set_pub_key(ctx->rsa.soft_tfm, key, keylen);
 	if (ret)
 		return ret;
@@ -1106,6 +1109,9 @@ static int hpre_rsa_setprivkey(struct crypto_akcipher *tfm, const void *key,
 	struct hpre_ctx *ctx = akcipher_tfm_ctx(tfm);
 	int ret;
 
+	if (!key || !keylen)
+		return -EINVAL;
+
 	ret = crypto_akcipher_set_priv_key(ctx->rsa.soft_tfm, key, keylen);
 	if (ret)
 		return ret;
-- 
2.8.1