[stable 4.19][PATCH 02/17] crypto: stm31/hash - Fix hmac issue more than 256 bytes
From: Mathieu Poirier <mathieu.poirier@linaro.org>
Date: 2019-11-28 16:51:01
Also in:
lkml, stable
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
From: Lionel Debieve <redacted> commit 0acabecebc912b3ba06289e4ef40476acc499a37 upstream 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 <redacted> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cc: stable <redacted> # 4.19 Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/crypto/stm32/stm32-hash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index 590d7352837e..641b11077f47 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c@@ -365,7 +365,7 @@ 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))
--
2.17.1
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