[PATCH 2/3] crypto: qce - use memzero_explicit() for clearing data
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STALE2020d
From: Kai Ye <hidden>
Date: 2021-03-26 01:24:04
Also in:
lkml
Subsystem:
crypto api, qualcomm crypto drivers, the rest · Maintainers:
Herbert Xu, "David S. Miller", Bartosz Golaszewski, Linus Torvalds
use memzero_explicit instead of memset to clear sensitive data. Signed-off-by: Kai Ye <redacted> --- drivers/crypto/qce/sha.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c
index 61c418c..cb9b3da 100644
--- a/drivers/crypto/qce/sha.c
+++ b/drivers/crypto/qce/sha.c@@ -415,6 +415,7 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, ret = crypto_wait_req(crypto_ahash_digest(req), &wait); + memzero_explicit(buf, keylen + QCE_MAX_ALIGN_SIZE); kfree(buf); err_free_req: ahash_request_free(req);
--
2.8.1