From: Meng Yu <yumeng18@huawei.com>
To: <herbert@gondor.apana.org.au>, <davem@davemloft.net>
Cc: <linux-crypto@vger.kernel.org>, <xuzaibo@huawei.com>,
<wangzhou1@hisilicon.com>, <yumeng18@huawei.com>,
<linux-kernel@vger.kernel.org>, <shenyang39@huawei.com>
Subject: [PATCH] crypto: hisilicon/hpre - rsa key should not be empty
Date: Fri, 26 Mar 2021 14:13:32 +0800 [thread overview]
Message-ID: <1616739212-7751-1-git-send-email-yumeng18@huawei.com> (raw)
We should ensure key is not empty before we set key.
Signed-off-by: Meng Yu <yumeng18@huawei.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
next reply other threads:[~2021-03-26 6:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-26 6:13 Meng Yu [this message]
2021-04-02 7:12 ` Herbert Xu
2021-04-02 10:16 ` yumeng
2021-04-02 10:22 ` Herbert Xu
2021-04-06 0:51 ` yumeng
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