[PATCH] crypto: hisilicon/hpre - rsa key should not be empty
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STALE2022d
From: Meng Yu <hidden>
Date: 2021-03-26 06:17:03
Also in:
lkml
Subsystem:
crypto api, hisilicon high performance rsa engine driver (hpre), the rest · Maintainers:
Herbert Xu, "David S. Miller", Zhiqi Song, Longfang Liu, Linus Torvalds
We should ensure key is not empty before we set key. Signed-off-by: Meng Yu <redacted> --- 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