[dpdk-dev v5 4/4] crypto/openssl: update on DSA routine with 3.0 EVP API

[Kai Ji <kai.ji@intel.com>]

This patch updates asymmetric DSA routine in crypto openssl pmd
to adopt openssl 3.0 EVP apis. Divide the single combined dsa sign
test to two individual dsa sign and dsa verfiy tests.

Signed-off-by: Kai Ji <kai.ji@intel.com>
---
 app/test/test_cryptodev_asym.c               |  90 ++++++++--
 doc/guides/rel_notes/release_22_07.rst       |   4 +
 drivers/crypto/openssl/compat.h              |  12 ++
 drivers/crypto/openssl/openssl_pmd_private.h |   3 +
 drivers/crypto/openssl/rte_openssl_pmd.c     | 177 ++++++++++++++++++-
 drivers/crypto/openssl/rte_openssl_pmd_ops.c |  72 +++++++-
 6 files changed, 334 insertions(+), 24 deletions(-)

diff --git a/app/test/test_cryptodev_asym.c b/app/test/test_cryptodev_asym.c
index 7bd7cde16e..c9c48d1e87 100644
--- a/app/test/test_cryptodev_asym.c
+++ b/app/test/test_cryptodev_asym.c
@@ -1642,7 +1642,7 @@ test_dh_keygenration(void)
 }
 
 static int
-test_dsa_sign(void)
+test_dsa_sign(struct rte_crypto_dsa_op_param *dsa_op)
 {
 	struct crypto_testsuite_params_asym *ts_params = &testsuite_params;
 	struct rte_mempool *op_mpool = ts_params->op_mpool;
@@ -1652,9 +1652,6 @@ test_dsa_sign(void)
 	struct rte_crypto_op *op = NULL, *result_op = NULL;
 	void *sess = NULL;
 	int status = TEST_SUCCESS;
-	uint8_t r[TEST_DH_MOD_LEN];
-	uint8_t s[TEST_DH_MOD_LEN];
-	uint8_t dgst[] = "35d81554afaad2cf18f3a1770d5fedc4ea5be344";
 	int ret;
 
 	ret = rte_cryptodev_asym_session_create(dev_id, &dsa_xform, sess_mpool, &sess);
@@ -1676,6 +1673,7 @@ test_dsa_sign(void)
 		goto error_exit;
 	}
 	asym_op = op->asym;
+	asym_op->dsa = *dsa_op;
 
 	debug_hexdump(stdout, "p: ", dsa_xform.dsa.p.data,
 			dsa_xform.dsa.p.length);
@@ -1689,13 +1687,6 @@ test_dsa_sign(void)
 	/* attach asymmetric crypto session to crypto operations */
 	rte_crypto_op_attach_asym_session(op, sess);
 	asym_op->dsa.op_type = RTE_CRYPTO_ASYM_OP_SIGN;
-	asym_op->dsa.message.data = dgst;
-	asym_op->dsa.message.length = sizeof(dgst);
-	asym_op->dsa.r.length = sizeof(r);
-	asym_op->dsa.r.data = r;
-	asym_op->dsa.s.length = sizeof(s);
-	asym_op->dsa.s.data = s;
-
 	RTE_LOG(DEBUG, USER1, "Process ASYM operation");
 
 	/* Process crypto operation */
@@ -1719,12 +1710,71 @@ test_dsa_sign(void)
 	}
 
 	asym_op = result_op->asym;
+	dsa_op->r.length = asym_op->dsa.r.length;
+	dsa_op->s.length = asym_op->dsa.s.length;
 
 	debug_hexdump(stdout, "r:",
 			asym_op->dsa.r.data, asym_op->dsa.r.length);
 	debug_hexdump(stdout, "s:",
 			asym_op->dsa.s.data, asym_op->dsa.s.length);
+error_exit:
+	if (sess != NULL)
+		rte_cryptodev_asym_session_free(dev_id, sess);
+	if (op != NULL)
+		rte_crypto_op_free(op);
+	return status;
+}
+
+static int
+test_dsa_verify(struct rte_crypto_dsa_op_param *dsa_op)
+{
+	struct crypto_testsuite_params_asym *ts_params = &testsuite_params;
+	struct rte_mempool *op_mpool = ts_params->op_mpool;
+	struct rte_mempool *sess_mpool = ts_params->session_mpool;
+	uint8_t dev_id = ts_params->valid_devs[0];
+	struct rte_crypto_asym_op *asym_op = NULL;
+	struct rte_crypto_op *op = NULL, *result_op = NULL;
+	void *sess = NULL;
+	int status = TEST_SUCCESS;
+	int ret;
 
+	ret = rte_cryptodev_asym_session_create(dev_id, &dsa_xform, sess_mpool, &sess);
+	if (ret < 0) {
+		RTE_LOG(ERR, USER1,
+				 "line %u FAILED: %s", __LINE__,
+				"Session creation failed");
+		status = (ret == -ENOTSUP) ? TEST_SKIPPED : TEST_FAILED;
+		goto error_exit;
+	}
+	/* set up crypto op data structure */
+	op = rte_crypto_op_alloc(op_mpool, RTE_CRYPTO_OP_TYPE_ASYMMETRIC);
+	if (!op) {
+		RTE_LOG(ERR, USER1,
+			"line %u FAILED: %s",
+			__LINE__, "Failed to allocate asymmetric crypto "
+			"operation struct");
+		status = TEST_FAILED;
+		goto error_exit;
+	}
+	asym_op = op->asym;
+	asym_op->dsa = *dsa_op;
+
+	debug_hexdump(stdout, "p: ", dsa_xform.dsa.p.data,
+			dsa_xform.dsa.p.length);
+	debug_hexdump(stdout, "q: ", dsa_xform.dsa.q.data,
+			dsa_xform.dsa.q.length);
+	debug_hexdump(stdout, "g: ", dsa_xform.dsa.g.data,
+			dsa_xform.dsa.g.length);
+
+	/* attach asymmetric crypto session to crypto operations */
+	rte_crypto_op_attach_asym_session(op, sess);
+
+	debug_hexdump(stdout, "r:",
+			asym_op->dsa.r.data, asym_op->dsa.r.length);
+	debug_hexdump(stdout, "s:",
+			asym_op->dsa.s.data, asym_op->dsa.s.length);
+
+	RTE_LOG(DEBUG, USER1, "Process ASYM verify operation");
 	/* Test PMD DSA sign verification using signer public key */
 	asym_op->dsa.op_type = RTE_CRYPTO_ASYM_OP_VERIFY;
 
@@ -1770,8 +1820,22 @@ static int
 test_dsa(void)
 {
 	int status;
-	status = test_dsa_sign();
-	TEST_ASSERT_EQUAL(status, 0, "Test failed");
+	uint8_t r[TEST_DH_MOD_LEN];
+	uint8_t s[TEST_DH_MOD_LEN];
+	struct rte_crypto_dsa_op_param dsa_op;
+	uint8_t dgst[] = "35d81554afaad2cf18f3a1770d5fedc4ea5be344";
+
+	dsa_op.message.data = dgst;
+	dsa_op.message.length = sizeof(dgst);
+	dsa_op.r.data = r;
+	dsa_op.s.data = s;
+	dsa_op.r.length = sizeof(r);
+	dsa_op.s.length = sizeof(s);
+
+	status = test_dsa_sign(&dsa_op);
+	TEST_ASSERT_EQUAL(status, 0, "DSA sign test failed");
+	status = test_dsa_verify(&dsa_op);
+	TEST_ASSERT_EQUAL(status, 0, "DSA verify test failed");
 	return status;
 }
 
diff --git a/doc/guides/rel_notes/release_22_07.rst b/doc/guides/rel_notes/release_22_07.rst
index 6fc044edaa..180cbd84c4 100644
--- a/doc/guides/rel_notes/release_22_07.rst
+++ b/doc/guides/rel_notes/release_22_07.rst
@@ -215,6 +215,10 @@ New Features
   Merged l3fwd-acl code into l3fwd as l3fwd-acl contains duplicate
   and common functions to l3fwd.
 
+* **Update Openssl PMD with 3.0 EVP API
+
+  Update Openssl PMD deprecated APIs to EVP APIs where supported in Openssl
+  3.0 lib.
 
 Removed Items
 -------------
diff --git a/drivers/crypto/openssl/compat.h b/drivers/crypto/openssl/compat.h
index eecb7d3698..9f9167c4f1 100644
--- a/drivers/crypto/openssl/compat.h
+++ b/drivers/crypto/openssl/compat.h
@@ -104,6 +104,18 @@ get_dsa_priv_key(DSA *dsa, BIGNUM **priv_key)
 	*priv_key = dsa->priv_key;
 }
 
+#elif (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+static __rte_always_inline void
+set_dsa_sign(DSA_SIG *sign, BIGNUM *r, BIGNUM *s)
+{
+	DSA_SIG_set0(sign, r, s);
+}
+
+static __rte_always_inline void
+get_dsa_sign(DSA_SIG *sign, const BIGNUM **r, const BIGNUM **s)
+{
+	DSA_SIG_get0(sign, r, s);
+}
 #else
 
 static __rte_always_inline int
diff --git a/drivers/crypto/openssl/openssl_pmd_private.h b/drivers/crypto/openssl/openssl_pmd_private.h
index b952188c9d..5963a67a08 100644
--- a/drivers/crypto/openssl/openssl_pmd_private.h
+++ b/drivers/crypto/openssl/openssl_pmd_private.h
@@ -184,6 +184,9 @@ struct openssl_asym_session {
 		} dh;
 		struct {
 			DSA *dsa;
+#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+			OSSL_PARAM_BLD * param_bld;
+#endif
 		} s;
 	} u;
 } __rte_cache_aligned;
diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c b/drivers/crypto/openssl/rte_openssl_pmd.c
index 375dc9cfdc..84bca86894 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -2,8 +2,6 @@
  * Copyright(c) 2016-2017 Intel Corporation
  */
 
-#define OPENSSL_API_COMPAT 0x10100000L
-
 #include <rte_common.h>
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
@@ -1764,6 +1762,171 @@ process_openssl_auth_op(struct openssl_qp *qp, struct rte_crypto_op *op,
 }
 
 /* process dsa sign operation */
+#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+static int
+process_openssl_dsa_sign_op_evp(struct rte_crypto_op *cop,
+		struct openssl_asym_session *sess)
+{
+	struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
+	EVP_PKEY_CTX *dsa_ctx = NULL;
+	EVP_PKEY_CTX *key_ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL);
+	EVP_PKEY *pkey = NULL;
+	OSSL_PARAM_BLD *param_bld = sess->u.s.param_bld;
+	OSSL_PARAM *params = NULL;
+
+	size_t outlen;
+	unsigned char *dsa_sign_data;
+	const unsigned char *dsa_sign_data_p;
+
+	cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+	params = OSSL_PARAM_BLD_to_param(param_bld);
+	if (!params) {
+		OSSL_PARAM_BLD_free(param_bld);
+		return -1;
+	}
+
+	if (key_ctx == NULL
+		|| EVP_PKEY_fromdata_init(key_ctx) <= 0
+		|| EVP_PKEY_fromdata(key_ctx, &pkey,
+						EVP_PKEY_PUBLIC_KEY, params) <= 0)
+		goto err_dsa_sign;
+
+	dsa_ctx = EVP_PKEY_CTX_new(pkey, NULL);
+	if (!dsa_ctx)
+		goto err_dsa_sign;
+
+	if (EVP_PKEY_sign_init(dsa_ctx) <= 0)
+		goto err_dsa_sign;
+
+	if (EVP_PKEY_sign(dsa_ctx, NULL, &outlen, op->message.data,
+						op->message.length) <= 0)
+		goto err_dsa_sign;
+
+	if (outlen <= 0)
+		goto err_dsa_sign;
+
+	dsa_sign_data = OPENSSL_malloc(outlen);
+	if (!dsa_sign_data)
+		goto err_dsa_sign;
+
+	if (EVP_PKEY_sign(dsa_ctx, dsa_sign_data, &outlen, op->message.data,
+						op->message.length) <= 0) {
+		free(dsa_sign_data);
+		goto err_dsa_sign;
+	}
+
+	dsa_sign_data_p = (const unsigned char *)dsa_sign_data;
+	DSA_SIG *sign = d2i_DSA_SIG(NULL, &dsa_sign_data_p, outlen);
+	if (!sign) {
+		OPENSSL_LOG(ERR, "%s:%d\n", __func__, __LINE__);
+		free(dsa_sign_data);
+		goto err_dsa_sign;
+	} else {
+		const BIGNUM *r = NULL, *s = NULL;
+		get_dsa_sign(sign, &r, &s);
+
+		op->r.length = BN_bn2bin(r, op->r.data);
+		op->s.length = BN_bn2bin(s, op->s.data);
+		cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+	}
+
+	DSA_SIG_free(sign);
+	free(dsa_sign_data);
+	return 0;
+
+err_dsa_sign:
+	if (params)
+		OSSL_PARAM_free(params);
+	if (key_ctx)
+		EVP_PKEY_CTX_free(key_ctx);
+	if (dsa_ctx)
+		EVP_PKEY_CTX_free(dsa_ctx);
+	return -1;
+}
+
+/* process dsa verify operation */
+static int
+process_openssl_dsa_verify_op_evp(struct rte_crypto_op *cop,
+		struct openssl_asym_session *sess)
+{
+	struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
+	DSA_SIG *sign = DSA_SIG_new();
+	BIGNUM *r = NULL, *s = NULL;
+	BIGNUM *pub_key = NULL;
+	OSSL_PARAM_BLD *param_bld = sess->u.s.param_bld;
+	OSSL_PARAM *params = NULL;
+	EVP_PKEY *pkey = NULL;
+	EVP_PKEY_CTX *dsa_ctx = NULL;
+	EVP_PKEY_CTX *key_ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL);
+	unsigned char *dsa_sig = NULL;
+	size_t sig_len;
+	int ret = -1;
+
+	cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+	if (!param_bld) {
+		OPENSSL_LOG(ERR, " %s:%d\n", __func__, __LINE__);
+		return -1;
+	}
+
+	r = BN_bin2bn(op->r.data, op->r.length, r);
+	s = BN_bin2bn(op->s.data, op->s.length,	s);
+	pub_key = BN_bin2bn(op->y.data, op->y.length, pub_key);
+	if (!r || !s || !pub_key) {
+		BN_free(r);
+		BN_free(s);
+		BN_free(pub_key);
+		OSSL_PARAM_BLD_free(param_bld);
+		goto err_dsa_verify;
+	}
+
+	set_dsa_sign(sign, r, s);
+	if (!OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_PUB_KEY, pub_key)) {
+		OSSL_PARAM_BLD_free(param_bld);
+		goto err_dsa_verify;
+	}
+
+	params = OSSL_PARAM_BLD_to_param(param_bld);
+	if (!params) {
+		OSSL_PARAM_BLD_free(param_bld);
+		goto err_dsa_verify;
+	}
+
+	if (key_ctx == NULL
+		|| EVP_PKEY_fromdata_init(key_ctx) <= 0
+		|| EVP_PKEY_fromdata(key_ctx, &pkey, EVP_PKEY_KEYPAIR, params) <= 0)
+		goto err_dsa_verify;
+
+	dsa_ctx = EVP_PKEY_CTX_new(pkey, NULL);
+	if (!dsa_ctx)
+		goto err_dsa_verify;
+
+	if (!sign)
+		goto err_dsa_verify;
+
+	sig_len = i2d_DSA_SIG(sign, &dsa_sig);
+	if (EVP_PKEY_verify_init(dsa_ctx) <= 0)
+		goto err_dsa_verify;
+
+	ret = EVP_PKEY_verify(dsa_ctx, dsa_sig, sig_len,
+					op->message.data, op->message.length);
+	if (ret == 1) {
+		cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+		ret = 0;
+	}
+
+err_dsa_verify:
+	if (sign)
+		DSA_SIG_free(sign);
+	if (params)
+		OSSL_PARAM_free(params);
+	if (key_ctx)
+		EVP_PKEY_CTX_free(key_ctx);
+	if (dsa_ctx)
+		EVP_PKEY_CTX_free(dsa_ctx);
+
+	return ret;
+}
+#else
 static int
 process_openssl_dsa_sign_op(struct rte_crypto_op *cop,
 		struct openssl_asym_session *sess)
@@ -1845,6 +2008,7 @@ process_openssl_dsa_verify_op(struct rte_crypto_op *cop,
 
 	return 0;
 }
+#endif
 
 /* process dh operation */
 #if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
@@ -2501,6 +2665,14 @@ process_asym_op(struct openssl_qp *qp, struct rte_crypto_op *op,
 #endif
 		break;
 	case RTE_CRYPTO_ASYM_XFORM_DSA:
+#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+		if (op->asym->dsa.op_type == RTE_CRYPTO_ASYM_OP_SIGN)
+			retval = process_openssl_dsa_sign_op_evp(op, sess);
+		else if (op->asym->dsa.op_type ==
+				RTE_CRYPTO_ASYM_OP_VERIFY)
+			retval =
+				process_openssl_dsa_verify_op_evp(op, sess);
+#else
 		if (op->asym->dsa.op_type == RTE_CRYPTO_ASYM_OP_SIGN)
 			retval = process_openssl_dsa_sign_op(op, sess);
 		else if (op->asym->dsa.op_type ==
@@ -2509,6 +2681,7 @@ process_asym_op(struct openssl_qp *qp, struct rte_crypto_op *op,
 				process_openssl_dsa_verify_op(op, sess);
 		else
 			op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+#endif
 		break;
 	default:
 		op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
diff --git a/drivers/crypto/openssl/rte_openssl_pmd_ops.c b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
index 6f5267a63a..8d1f8e834a 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
@@ -812,13 +812,13 @@ static int openssl_set_asym_session_parameters(
 		struct openssl_asym_session *asym_session,
 		struct rte_crypto_asym_xform *xform)
 {
-	int ret = 0;
+	int ret = -1;
 
 	if ((xform->xform_type != RTE_CRYPTO_ASYM_XFORM_DH) &&
 		(xform->next != NULL)) {
 		OPENSSL_LOG(ERR, "chained xfrms are not supported on %s",
 			rte_crypto_asym_xform_strings[xform->xform_type]);
-		return -1;
+		return ret;
 	}
 
 	switch (xform->xform_type) {
@@ -1003,7 +1003,7 @@ static int openssl_set_asym_session_parameters(
 		if (ret) {
 			OPENSSL_LOG(ERR, "Failed to load rsa keys\n");
 			RSA_free(rsa);
-			return -1;
+			return ret;
 		}
 		asym_session->u.r.rsa = rsa;
 		asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_RSA;
@@ -1029,7 +1029,7 @@ static int openssl_set_asym_session_parameters(
 		if (ctx == NULL) {
 			OPENSSL_LOG(ERR,
 				" failed to allocate resources\n");
-			return -1;
+			return ret;
 		}
 		BN_CTX_start(ctx);
 		BIGNUM *mod = BN_CTX_get(ctx);
@@ -1037,7 +1037,7 @@ static int openssl_set_asym_session_parameters(
 		if (mod == NULL || exp == NULL) {
 			BN_CTX_end(ctx);
 			BN_CTX_free(ctx);
-			return -1;
+			return ret;
 		}
 
 		mod = BN_bin2bn((const unsigned char *)
@@ -1060,14 +1060,14 @@ static int openssl_set_asym_session_parameters(
 		if (ctx == NULL) {
 			OPENSSL_LOG(ERR,
 				" failed to allocate resources\n");
-			return -1;
+			return ret;
 		}
 		BN_CTX_start(ctx);
 		BIGNUM *mod = BN_CTX_get(ctx);
 		if (mod == NULL) {
 			BN_CTX_end(ctx);
 			BN_CTX_free(ctx);
-			return -1;
+			return ret;
 		}
 
 		mod = BN_bin2bn((const unsigned char *)
@@ -1158,6 +1158,56 @@ static int openssl_set_asym_session_parameters(
 	}
 	case RTE_CRYPTO_ASYM_XFORM_DSA:
 	{
+#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+		BIGNUM *p = NULL, *g = NULL;
+		BIGNUM *q = NULL, *priv_key = NULL;
+		BIGNUM *pub_key = BN_new();
+		BN_zero(pub_key);
+		OSSL_PARAM_BLD *param_bld = NULL;
+
+		p = BN_bin2bn((const unsigned char *)
+				xform->dsa.p.data,
+				xform->dsa.p.length,
+				p);
+
+		g = BN_bin2bn((const unsigned char *)
+				xform->dsa.g.data,
+				xform->dsa.g.length,
+				g);
+
+		q = BN_bin2bn((const unsigned char *)
+				xform->dsa.q.data,
+				xform->dsa.q.length,
+				q);
+		if (!p || !q || !g)
+			goto err_dsa;
+
+		priv_key = BN_bin2bn((const unsigned char *)
+				xform->dsa.x.data,
+				xform->dsa.x.length,
+				priv_key);
+		if (priv_key == NULL)
+			goto err_dsa;
+
+		param_bld = OSSL_PARAM_BLD_new();
+		if (!param_bld) {
+			OPENSSL_LOG(ERR, "failed to allocate resources\n");
+			goto err_dsa;
+		}
+
+		if (!OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_P, p)
+			|| !OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_G, g)
+			|| !OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_Q, q)
+			|| !OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_PRIV_KEY, priv_key)) {
+			OSSL_PARAM_BLD_free(param_bld);
+			OPENSSL_LOG(ERR, "failed to allocate resources\n");
+			goto err_dsa;
+		}
+		asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_DSA;
+		asym_session->u.s.param_bld = param_bld;
+
+		break;
+#else
 		BIGNUM *p = NULL, *g = NULL;
 		BIGNUM *q = NULL, *priv_key = NULL;
 		BIGNUM *pub_key = BN_new();
@@ -1217,7 +1267,7 @@ static int openssl_set_asym_session_parameters(
 		asym_session->u.s.dsa = dsa;
 		asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_DSA;
 		break;
-
+#endif
 err_dsa:
 		BN_free(p);
 		BN_free(q);
@@ -1227,7 +1277,7 @@ static int openssl_set_asym_session_parameters(
 		return -1;
 	}
 	default:
-		return -1;
+		return ret;
 	}
 
 	return 0;
@@ -1310,8 +1360,12 @@ static void openssl_reset_asym_session(struct openssl_asym_session *sess)
 #endif
 		break;
 	case RTE_CRYPTO_ASYM_XFORM_DSA:
+#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+		sess->u.s.param_bld = NULL;
+#else
 		if (sess->u.s.dsa)
 			DSA_free(sess->u.s.dsa);
+#endif
 		break;
 	default:
 		break;
-- 
2.17.1