diff mbox series

[1/2] crypto: stm32/hash: Fix hmac issue more than 256 bytes

Message ID 20190628112655.9341-2-lionel.debieve@st.com (mailing list archive)
State Mainlined
Commit 0acabecebc912b3ba06289e4ef40476acc499a37
Headers show
Series crypto: stm32/hash: Fix bug in hmac mode | expand

Commit Message

Lionel Debieve June 28, 2019, 11:26 a.m. UTC 
Correct condition for the second hmac loop. Key must be only
set in the first loop. Initial condition was wrong,
HMAC_KEY flag was not properly checked.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
---
 drivers/crypto/stm32/stm32-hash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index 29519d1c403f..c37d1a336f98 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -349,7 +349,7 @@  static int stm32_hash_xmit_cpu(struct stm32_hash_dev *hdev,
 		return -ETIMEDOUT;
 
 	if ((hdev->flags & HASH_FLAGS_HMAC) &&
-	    (hdev->flags & ~HASH_FLAGS_HMAC_KEY)) {
+	    (!(hdev->flags & HASH_FLAGS_HMAC_KEY))) {
 		hdev->flags |= HASH_FLAGS_HMAC_KEY;
 		stm32_hash_write_key(hdev);
 		if (stm32_hash_wait_busy(hdev))