[dpdk-dev v2] crypto/openssl: fix HMAC output length

[Kai Ji]

This patch sets the max length of dst in OpenSSL 3.0 lib EVP MAC final
routine to ensure enough space for the result.

Fixes: 75adf1eae44f ("crypto/openssl: update HMAC routine with 3.0 EVP API")

Signed-off-by: Kai Ji <kai...@intel.com>
Acked-by: Fan Zhang <roy.fan.zh...@intel.com>
---
 drivers/crypto/openssl/rte_openssl_pmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c 
b/drivers/crypto/openssl/rte_openssl_pmd.c
index 392b546a63..a078038651 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -1447,7 +1447,7 @@ process_openssl_auth_mac(struct rte_mbuf *mbuf_src, 
uint8_t *dst, int offset,
        }
 
 process_auth_final:
-       if (EVP_MAC_final(ctx, dst, &dstlen, sizeof(dst)) != 1)
+       if (EVP_MAC_final(ctx, dst, &dstlen, DIGEST_LENGTH_MAX) != 1)
                goto process_auth_err;
 
        EVP_MAC_CTX_free(ctx);
-- 
2.17.1