netdev - [PATCH net-next 5/5] Crypto/chcr: fix for hmac(sha) test fails

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Date:   Tue,  5 May 2020 08:42:57 +0530
From:   Devulapally Shiva Krishna <shiva@...lsio.com>
To:     davem@...emloft.net, herbert@...dor.apana.org.au
Cc:     linux-crypto@...r.kernel.org, netdev@...r.kernel.org,
        secdev@...lsio.com, Devulapally Shiva Krishna <shiva@...lsio.com>,
        Ayush Sawal <ayush.sawal@...lsio.com>
Subject: [PATCH net-next 5/5] Crypto/chcr: fix for hmac(sha) test fails

The hmac(sha) test fails for a zero length source text data.
For hmac(sha) minimum length of the data must be of block-size.
So fix this by including the data_len for the last block.

Signed-off-by: Ayush Sawal <ayush.sawal@...lsio.com>
Signed-off-by: Devulapally Shiva Krishna <shiva@...lsio.com>
---
 drivers/crypto/chelsio/chcr_algo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index 0d25af42cadb..b8c1c4dd3ef0 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -2005,7 +2005,7 @@ static int chcr_ahash_digest(struct ahash_request *req)
 	req_ctx->data_len += params.bfr_len + params.sg_len;
 
 	if (req->nbytes == 0) {
-		create_last_hash_block(req_ctx->reqbfr, bs, 0);
+		create_last_hash_block(req_ctx->reqbfr, bs, req_ctx->data_len);
 		params.more = 1;
 		params.bfr_len = bs;
 	}
-- 
2.18.1