diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c
index f4cff43..f89053a 100644
--- a/src/crypto/crypto_openssl.c
+++ b/src/crypto/crypto_openssl.c
@@ -29,6 +29,7 @@
 #include "sha1.h"
 #include "sha256.h"
 #include "sha384.h"
+#include "sha512.h"
 #include "md5.h"
 #include "aes_wrap.h"
 #include "crypto.h"
diff --git a/src/crypto/md4-internal.c b/src/crypto/md4-internal.c
index d9c737a..cf408e8 100644
--- a/src/crypto/md4-internal.c
+++ b/src/crypto/md4-internal.c
@@ -85,7 +85,7 @@
 	(cp)[1] = (value) >> 8;						\
 	(cp)[0] = (value); } while (0)
 
-static u8 PADDING[MD4_BLOCK_LENGTH] = {
+static const u8 PADDING[MD4_BLOCK_LENGTH] = {
 	0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
diff --git a/src/crypto/random.c b/src/crypto/random.c
index 6f4cf81..ca9c0c8 100644
--- a/src/crypto/random.c
+++ b/src/crypto/random.c
@@ -25,6 +25,9 @@
 #include "utils/includes.h"
 #ifdef __linux__
 #include <fcntl.h>
+#ifdef CONFIG_GETRANDOM
+#include <sys/random.h>
+#endif /* CONFIG_GETRANDOM */
 #endif /* __linux__ */
 
 #include "utils/common.h"
@@ -235,30 +238,52 @@
 		return 1; /* Already initialized - good to continue */
 
 	/*
-	 * Try to fetch some more data from the kernel high quality
-	 * /dev/random. There may not be enough data available at this point,
+	 * Try to fetch some more data from the kernel high quality RNG.
+	 * There may not be enough data available at this point,
 	 * so use non-blocking read to avoid blocking the application
 	 * completely.
 	 */
-	fd = open("/dev/random", O_RDONLY | O_NONBLOCK);
-	if (fd < 0) {
-		wpa_printf(MSG_ERROR, "random: Cannot open /dev/random: %s",
-			   strerror(errno));
-		return -1;
+
+#ifdef CONFIG_GETRANDOM
+	res = getrandom(dummy_key + dummy_key_avail,
+			sizeof(dummy_key) - dummy_key_avail, GRND_NONBLOCK);
+	if (res < 0) {
+		if (errno == ENOSYS) {
+			wpa_printf(MSG_DEBUG,
+				   "random: getrandom() not supported, falling back to /dev/random");
+		} else {
+			wpa_printf(MSG_INFO,
+				   "random: no data from getrandom(): %s",
+				   strerror(errno));
+			res = 0;
+		}
+	}
+#else /* CONFIG_GETRANDOM */
+	res = -1;
+#endif /* CONFIG_GETRANDOM */
+	if (res < 0) {
+		fd = open("/dev/random", O_RDONLY | O_NONBLOCK);
+		if (fd < 0) {
+			wpa_printf(MSG_ERROR,
+				   "random: Cannot open /dev/random: %s",
+				   strerror(errno));
+			return -1;
+		}
+
+		res = read(fd, dummy_key + dummy_key_avail,
+			   sizeof(dummy_key) - dummy_key_avail);
+		if (res < 0) {
+			wpa_printf(MSG_ERROR,
+				   "random: Cannot read from /dev/random: %s",
+				   strerror(errno));
+			res = 0;
+		}
+		close(fd);
 	}
 
-	res = read(fd, dummy_key + dummy_key_avail,
-		   sizeof(dummy_key) - dummy_key_avail);
-	if (res < 0) {
-		wpa_printf(MSG_ERROR, "random: Cannot read from /dev/random: "
-			   "%s", strerror(errno));
-		res = 0;
-	}
-	wpa_printf(MSG_DEBUG, "random: Got %u/%u bytes from "
-		   "/dev/random", (unsigned) res,
+	wpa_printf(MSG_DEBUG, "random: Got %u/%u random bytes", (unsigned) res,
 		   (unsigned) (sizeof(dummy_key) - dummy_key_avail));
 	dummy_key_avail += res;
-	close(fd);
 
 	if (dummy_key_avail == sizeof(dummy_key)) {
 		if (own_pool_ready < MIN_READY_MARK)
@@ -268,7 +293,7 @@
 	}
 
 	wpa_printf(MSG_INFO, "random: Only %u/%u bytes of strong "
-		   "random data available from /dev/random",
+		   "random data available",
 		   (unsigned) dummy_key_avail, (unsigned) sizeof(dummy_key));
 
 	if (own_pool_ready >= MIN_READY_MARK ||
@@ -420,6 +445,19 @@
 	if (random_fd >= 0)
 		return;
 
+#ifdef CONFIG_GETRANDOM
+	{
+		u8 dummy;
+
+		if (getrandom(&dummy, 0, GRND_NONBLOCK) == 0 ||
+		    errno != ENOSYS) {
+			wpa_printf(MSG_DEBUG,
+				   "random: getrandom() support available");
+			return;
+		}
+	}
+#endif /* CONFIG_GETRANDOM */
+
 	random_fd = open("/dev/random", O_RDONLY | O_NONBLOCK);
 	if (random_fd < 0) {
 		wpa_printf(MSG_ERROR, "random: Cannot open /dev/random: %s",
diff --git a/src/crypto/sha512-internal.c b/src/crypto/sha512-internal.c
index 76c4fe7..c026394 100644
--- a/src/crypto/sha512-internal.c
+++ b/src/crypto/sha512-internal.c
@@ -109,9 +109,14 @@
 /* compress 1024-bits */
 static int sha512_compress(struct sha512_state *md, unsigned char *buf)
 {
-	u64 S[8], W[80], t0, t1;
+	u64 S[8], t0, t1;
+	u64 *W;
 	int i;
 
+	W = os_malloc(80 * sizeof(u64));
+	if (!W)
+		return -1;
+
 	/* copy state into S */
 	for (i = 0; i < 8; i++) {
 		S[i] = md->state[i];
@@ -146,6 +151,7 @@
 		md->state[i] = md->state[i] + S[i];
 	}
 
+	os_free(W);
 	return 0;
 }
 
diff --git a/src/crypto/sha512.c b/src/crypto/sha512.c
new file mode 100644
index 0000000..66311c3
--- /dev/null
+++ b/src/crypto/sha512.c
@@ -0,0 +1,104 @@
+/*
+ * SHA-512 hash implementation and interface functions
+ * Copyright (c) 2003-2018, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha512.h"
+#include "crypto.h"
+
+
+/**
+ * hmac_sha512_vector - HMAC-SHA512 over data vector (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash (64 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_sha512_vector(const u8 *key, size_t key_len, size_t num_elem,
+		       const u8 *addr[], const size_t *len, u8 *mac)
+{
+	unsigned char k_pad[128]; /* padding - key XORd with ipad/opad */
+	unsigned char tk[64];
+	const u8 *_addr[6];
+	size_t _len[6], i;
+
+	if (num_elem > 5) {
+		/*
+		 * Fixed limit on the number of fragments to avoid having to
+		 * allocate memory (which could fail).
+		 */
+		return -1;
+	}
+
+	/* if key is longer than 128 bytes reset it to key = SHA512(key) */
+	if (key_len > 128) {
+		if (sha512_vector(1, &key, &key_len, tk) < 0)
+			return -1;
+		key = tk;
+		key_len = 64;
+	}
+
+	/* the HMAC_SHA512 transform looks like:
+	 *
+	 * SHA512(K XOR opad, SHA512(K XOR ipad, text))
+	 *
+	 * where K is an n byte key
+	 * ipad is the byte 0x36 repeated 128 times
+	 * opad is the byte 0x5c repeated 128 times
+	 * and text is the data being protected */
+
+	/* start out by storing key in ipad */
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with ipad values */
+	for (i = 0; i < 128; i++)
+		k_pad[i] ^= 0x36;
+
+	/* perform inner SHA512 */
+	_addr[0] = k_pad;
+	_len[0] = 128;
+	for (i = 0; i < num_elem; i++) {
+		_addr[i + 1] = addr[i];
+		_len[i + 1] = len[i];
+	}
+	if (sha512_vector(1 + num_elem, _addr, _len, mac) < 0)
+		return -1;
+
+	os_memset(k_pad, 0, sizeof(k_pad));
+	os_memcpy(k_pad, key, key_len);
+	/* XOR key with opad values */
+	for (i = 0; i < 128; i++)
+		k_pad[i] ^= 0x5c;
+
+	/* perform outer SHA512 */
+	_addr[0] = k_pad;
+	_len[0] = 128;
+	_addr[1] = mac;
+	_len[1] = SHA512_MAC_LEN;
+	return sha512_vector(2, _addr, _len, mac);
+}
+
+
+/**
+ * hmac_sha512 - HMAC-SHA512 over data buffer (RFC 2104)
+ * @key: Key for HMAC operations
+ * @key_len: Length of the key in bytes
+ * @data: Pointers to the data area
+ * @data_len: Length of the data area
+ * @mac: Buffer for the hash (64 bytes)
+ * Returns: 0 on success, -1 on failure
+ */
+int hmac_sha512(const u8 *key, size_t key_len, const u8 *data,
+		size_t data_len, u8 *mac)
+{
+	return hmac_sha512_vector(key, key_len, 1, &data, &data_len, mac);
+}
diff --git a/src/crypto/tls.h b/src/crypto/tls.h
index 481b346..413cccd 100644
--- a/src/crypto/tls.h
+++ b/src/crypto/tls.h
@@ -82,6 +82,7 @@
 	int cert_in_cb;
 	const char *openssl_ciphers;
 	unsigned int tls_session_lifetime;
+	unsigned int crl_reload_interval;
 	unsigned int tls_flags;
 
 	void (*event_cb)(void *ctx, enum tls_event ev,
@@ -103,6 +104,9 @@
 #define TLS_CONN_SUITEB BIT(11)
 #define TLS_CONN_SUITEB_NO_ECDH BIT(12)
 #define TLS_CONN_DISABLE_TLSv1_3 BIT(13)
+#define TLS_CONN_ENABLE_TLSv1_0 BIT(14)
+#define TLS_CONN_ENABLE_TLSv1_1 BIT(15)
+#define TLS_CONN_ENABLE_TLSv1_2 BIT(16)
 
 /**
  * struct tls_connection_params - Parameters for TLS connection
@@ -144,6 +148,8 @@
  * @cert_id: the certificate's id when using engine
  * @ca_cert_id: the CA certificate's id when using engine
  * @openssl_ciphers: OpenSSL cipher configuration
+ * @openssl_ecdh_curves: OpenSSL ECDH curve configuration. %NULL for auto if
+ *	supported, empty string to disable, or a colon-separated curve list.
  * @flags: Parameter options (TLS_CONN_*)
  * @ocsp_stapling_response: DER encoded file with cached OCSP stapling response
  *	or %NULL if OCSP is not enabled
@@ -187,6 +193,7 @@
 	const char *cert_id;
 	const char *ca_cert_id;
 	const char *openssl_ciphers;
+	const char *openssl_ecdh_curves;
 
 	unsigned int flags;
 	const char *ocsp_stapling_response;
@@ -321,9 +328,11 @@
  * @tls_ctx: TLS context data from tls_init()
  * @check_crl: 0 = do not verify CRLs, 1 = verify CRL for the user certificate,
  * 2 = verify CRL for all certificates
+ * @strict: 0 = allow CRL time errors, 1 = do not allow CRL time errors
  * Returns: 0 on success, -1 on failure
  */
-int __must_check tls_global_set_verify(void *tls_ctx, int check_crl);
+int __must_check tls_global_set_verify(void *tls_ctx, int check_crl,
+				       int strict);
 
 /**
  * tls_connection_set_verify - Set certificate verification options
diff --git a/src/crypto/tls_gnutls.c b/src/crypto/tls_gnutls.c
index 36dafd2..527d01e 100644
--- a/src/crypto/tls_gnutls.c
+++ b/src/crypto/tls_gnutls.c
@@ -461,6 +461,12 @@
 		}
 	}
 
+	if (params->openssl_ecdh_curves) {
+		wpa_printf(MSG_INFO,
+			   "GnuTLS: openssl_ecdh_curves not supported");
+		return -1;
+	}
+
 	/* TODO: gnutls_certificate_set_verify_flags(xcred, flags);
 	 * to force peer validation(?) */
 
@@ -842,7 +848,7 @@
 }
 
 
-int tls_global_set_verify(void *ssl_ctx, int check_crl)
+int tls_global_set_verify(void *ssl_ctx, int check_crl, int strict)
 {
 	/* TODO */
 	return 0;
diff --git a/src/crypto/tls_internal.c b/src/crypto/tls_internal.c
index d289c94..9c57ab2 100644
--- a/src/crypto/tls_internal.c
+++ b/src/crypto/tls_internal.c
@@ -248,6 +248,12 @@
 		return -1;
 	}
 
+	if (params->openssl_ecdh_curves) {
+		wpa_printf(MSG_INFO, "TLS: openssl_ecdh_curves not supported");
+		tlsv1_cred_free(cred);
+		return -1;
+	}
+
 	if (tlsv1_set_ca_cert(cred, params->ca_cert,
 			      params->ca_cert_blob, params->ca_cert_blob_len,
 			      params->ca_path)) {
@@ -353,7 +359,7 @@
 }
 
 
-int tls_global_set_verify(void *tls_ctx, int check_crl)
+int tls_global_set_verify(void *tls_ctx, int check_crl, int strict)
 {
 	struct tls_global *global = tls_ctx;
 	global->check_crl = check_crl;
diff --git a/src/crypto/tls_none.c b/src/crypto/tls_none.c
index 5d0c6bd..108e9aa 100644
--- a/src/crypto/tls_none.c
+++ b/src/crypto/tls_none.c
@@ -72,7 +72,7 @@
 }
 
 
-int tls_global_set_verify(void *tls_ctx, int check_crl)
+int tls_global_set_verify(void *tls_ctx, int check_crl, int strict)
 {
 	return -1;
 }
diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c
index 5bb14e2..181e64d 100644
--- a/src/crypto/tls_openssl.c
+++ b/src/crypto/tls_openssl.c
@@ -104,7 +104,9 @@
 
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && \
+	 LIBRESSL_VERSION_NUMBER < 0x20700000L)
 #ifdef CONFIG_SUITEB
 static int RSA_bits(const RSA *r)
 {
@@ -226,10 +228,16 @@
 struct tls_data {
 	SSL_CTX *ssl;
 	unsigned int tls_session_lifetime;
+	int check_crl;
+	int check_crl_strict;
+	char *ca_cert;
+	unsigned int crl_reload_interval;
+	struct os_reltime crl_last_reload;
 };
 
 struct tls_connection {
 	struct tls_context *context;
+	struct tls_data *data;
 	SSL_CTX *ssl_ctx;
 	SSL *ssl;
 	BIO *ssl_in, *ssl_out;
@@ -315,6 +323,37 @@
 #endif /* CONFIG_NO_STDOUT_DEBUG */
 
 
+static X509_STORE * tls_crl_cert_reload(const char *ca_cert, int check_crl)
+{
+	int flags;
+	X509_STORE *store;
+
+	store = X509_STORE_new();
+	if (!store) {
+		wpa_printf(MSG_DEBUG,
+			   "OpenSSL: %s - failed to allocate new certificate store",
+			   __func__);
+		return NULL;
+	}
+
+	if (ca_cert && X509_STORE_load_locations(store, ca_cert, NULL) != 1) {
+		tls_show_errors(MSG_WARNING, __func__,
+				"Failed to load root certificates");
+		X509_STORE_free(store);
+		return NULL;
+	}
+
+	if (check_crl)
+		flags = X509_V_FLAG_CRL_CHECK;
+	if (check_crl == 2)
+		flags |= X509_V_FLAG_CRL_CHECK_ALL;
+
+	X509_STORE_set_flags(store, flags);
+
+	return store;
+}
+
+
 #ifdef CONFIG_NATIVE_WINDOWS
 
 /* Windows CryptoAPI and access to certificate stores */
@@ -1003,8 +1042,10 @@
 		return NULL;
 	}
 	data->ssl = ssl;
-	if (conf)
+	if (conf) {
 		data->tls_session_lifetime = conf->tls_session_lifetime;
+		data->crl_reload_interval = conf->crl_reload_interval;
+	}
 
 	SSL_CTX_set_options(ssl, SSL_OP_NO_SSLv2);
 	SSL_CTX_set_options(ssl, SSL_OP_NO_SSLv3);
@@ -1086,6 +1127,7 @@
 		os_free(context);
 	if (data->tls_session_lifetime > 0)
 		SSL_CTX_flush_sessions(ssl, 0);
+	os_free(data->ca_cert);
 	SSL_CTX_free(ssl);
 
 	tls_openssl_ref_count--;
@@ -1481,11 +1523,32 @@
 	SSL_CTX *ssl = data->ssl;
 	struct tls_connection *conn;
 	long options;
+	X509_STORE *new_cert_store;
+	struct os_reltime now;
 	struct tls_context *context = SSL_CTX_get_app_data(ssl);
 
+	/* Replace X509 store if it is time to update CRL. */
+	if (data->crl_reload_interval > 0 && os_get_reltime(&now) == 0 &&
+	    os_reltime_expired(&now, &data->crl_last_reload,
+			       data->crl_reload_interval)) {
+		wpa_printf(MSG_INFO,
+			   "OpenSSL: Flushing X509 store with ca_cert file");
+		new_cert_store = tls_crl_cert_reload(data->ca_cert,
+						     data->check_crl);
+		if (!new_cert_store) {
+			wpa_printf(MSG_ERROR,
+				   "OpenSSL: Error replacing X509 store with ca_cert file");
+		} else {
+			/* Replace old store */
+			SSL_CTX_set_cert_store(ssl, new_cert_store);
+			data->crl_last_reload = now;
+		}
+	}
+
 	conn = os_zalloc(sizeof(*conn));
 	if (conn == NULL)
 		return NULL;
+	conn->data = data;
 	conn->ssl_ctx = ssl;
 	conn->ssl = SSL_new(ssl);
 	if (conn->ssl == NULL) {
@@ -2009,6 +2072,13 @@
 			   "time mismatch");
 		preverify_ok = 1;
 	}
+	if (!preverify_ok && !conn->data->check_crl_strict &&
+	    (err == X509_V_ERR_CRL_HAS_EXPIRED ||
+	     err == X509_V_ERR_CRL_NOT_YET_VALID)) {
+		wpa_printf(MSG_DEBUG,
+			   "OpenSSL: Ignore certificate validity CRL time mismatch");
+		preverify_ok = 1;
+	}
 
 	err_str = X509_verify_cert_error_string(err);
 
@@ -2399,13 +2469,16 @@
 		SSL_CTX_set_client_CA_list(ssl_ctx,
 					   SSL_load_client_CA_file(ca_cert));
 #endif /* OPENSSL_NO_STDIO */
+
+		os_free(data->ca_cert);
+		data->ca_cert = os_strdup(ca_cert);
 	}
 
 	return 0;
 }
 
 
-int tls_global_set_verify(void *ssl_ctx, int check_crl)
+int tls_global_set_verify(void *ssl_ctx, int check_crl, int strict)
 {
 	int flags;
 
@@ -2422,6 +2495,10 @@
 		if (check_crl == 2)
 			flags |= X509_V_FLAG_CRL_CHECK_ALL;
 		X509_STORE_set_flags(cs, flags);
+
+		data->check_crl = check_crl;
+		data->check_crl_strict = strict;
+		os_get_reltime(&data->crl_last_reload);
 	}
 	return 0;
 }
@@ -2537,6 +2614,38 @@
 	else
 		SSL_clear_options(ssl, SSL_OP_NO_TLSv1_3);
 #endif /* SSL_OP_NO_TLSv1_3 */
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+	if (flags & (TLS_CONN_ENABLE_TLSv1_0 |
+		     TLS_CONN_ENABLE_TLSv1_1 |
+		     TLS_CONN_ENABLE_TLSv1_2)) {
+		int version = 0;
+
+		/* Explicit request to enable TLS versions even if needing to
+		 * override systemwide policies. */
+		if (flags & TLS_CONN_ENABLE_TLSv1_0) {
+			version = TLS1_VERSION;
+		} else if (flags & TLS_CONN_ENABLE_TLSv1_1) {
+			if (!(flags & TLS_CONN_DISABLE_TLSv1_0))
+				version = TLS1_1_VERSION;
+		} else if (flags & TLS_CONN_ENABLE_TLSv1_2) {
+			if (!(flags & (TLS_CONN_DISABLE_TLSv1_0 |
+				       TLS_CONN_DISABLE_TLSv1_1)))
+				version = TLS1_2_VERSION;
+		}
+		if (!version) {
+			wpa_printf(MSG_DEBUG,
+				   "OpenSSL: Invalid TLS version configuration");
+			return -1;
+		}
+
+		if (SSL_set_min_proto_version(ssl, version) != 1) {
+			wpa_printf(MSG_DEBUG,
+				   "OpenSSL: Failed to set minimum TLS version");
+			return -1;
+		}
+	}
+#endif /* >= 1.1.0 */
+
 #ifdef CONFIG_SUITEB
 #ifdef OPENSSL_IS_BORINGSSL
 	/* Start with defaults from BoringSSL */
@@ -2639,7 +2748,22 @@
 			return -1;
 		}
 	}
+#else /* OPENSSL_IS_BORINGSSL */
+	if (!(flags & (TLS_CONN_SUITEB | TLS_CONN_SUITEB_NO_ECDH)) &&
+	    openssl_ciphers && SSL_set_cipher_list(ssl, openssl_ciphers) != 1) {
+		wpa_printf(MSG_INFO,
+			   "OpenSSL: Failed to set openssl_ciphers '%s'",
+			   openssl_ciphers);
+		return -1;
+	}
 #endif /* OPENSSL_IS_BORINGSSL */
+#else /* CONFIG_SUITEB */
+	if (openssl_ciphers && SSL_set_cipher_list(ssl, openssl_ciphers) != 1) {
+		wpa_printf(MSG_INFO,
+			   "OpenSSL: Failed to set openssl_ciphers '%s'",
+			   openssl_ciphers);
+		return -1;
+	}
 #endif /* CONFIG_SUITEB */
 
 	return 0;
@@ -2761,6 +2885,15 @@
 		return 0;
 	}
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)\
+	     && !defined(ANDROID)
+	if (SSL_use_certificate_chain_file(conn->ssl, client_cert) == 1) {
+		ERR_clear_error();
+		wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_chain_file"
+			   " --> OK");
+		return 0;
+	}
+#else
 	if (SSL_use_certificate_file(conn->ssl, client_cert,
 				     SSL_FILETYPE_PEM) == 1) {
 		ERR_clear_error();
@@ -2768,6 +2901,7 @@
 			   " --> OK");
 		return 0;
 	}
+#endif
 
 	tls_show_errors(MSG_DEBUG, __func__,
 			"SSL_use_certificate_file failed");
@@ -4521,6 +4655,40 @@
 		return -1;
 	}
 
+	if (!params->openssl_ecdh_curves) {
+#ifndef OPENSSL_IS_BORINGSSL
+#ifndef OPENSSL_NO_EC
+#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) && \
+	(OPENSSL_VERSION_NUMBER < 0x10100000L)
+		if (SSL_set_ecdh_auto(conn->ssl, 1) != 1) {
+			wpa_printf(MSG_INFO,
+				   "OpenSSL: Failed to set ECDH curves to auto");
+			return -1;
+		}
+#endif /* >= 1.0.2 && < 1.1.0 */
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+	} else if (params->openssl_ecdh_curves[0]) {
+#if defined(OPENSSL_IS_BORINGSSL) || (OPENSSL_VERSION_NUMBER < 0x10002000L)
+		wpa_printf(MSG_INFO,
+			"OpenSSL: ECDH configuration nnot supported");
+		return -1;
+#else /* OPENSSL_IS_BORINGSSL || < 1.0.2 */
+#ifndef OPENSSL_NO_EC
+		if (SSL_set1_curves_list(conn->ssl,
+					 params->openssl_ecdh_curves) != 1) {
+			wpa_printf(MSG_INFO,
+				   "OpenSSL: Failed to set ECDH curves '%s'",
+				   params->openssl_ecdh_curves);
+			return -1;
+		}
+#else /* OPENSSL_NO_EC */
+		wpa_printf(MSG_INFO, "OpenSSL: ECDH not supported");
+		return -1;
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+	}
+
 	if (tls_set_conn_flags(conn, params->flags,
 			       params->openssl_ciphers) < 0)
 		return -1;
@@ -4587,6 +4755,41 @@
 		return -1;
 	}
 
+	if (!params->openssl_ecdh_curves) {
+#ifndef OPENSSL_IS_BORINGSSL
+#ifndef OPENSSL_NO_EC
+#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) && \
+	(OPENSSL_VERSION_NUMBER < 0x10100000L)
+		if (SSL_CTX_set_ecdh_auto(ssl_ctx, 1) != 1) {
+			wpa_printf(MSG_INFO,
+				   "OpenSSL: Failed to set ECDH curves to auto");
+			return -1;
+		}
+#endif /* >= 1.0.2 && < 1.1.0 */
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+	} else if (params->openssl_ecdh_curves[0]) {
+#if defined(OPENSSL_IS_BORINGSSL) || (OPENSSL_VERSION_NUMBER < 0x10002000L)
+		wpa_printf(MSG_INFO,
+			"OpenSSL: ECDH configuration nnot supported");
+		return -1;
+#else /* OPENSSL_IS_BORINGSSL || < 1.0.2 */
+#ifndef OPENSSL_NO_EC
+		if (SSL_CTX_set1_curves_list(ssl_ctx,
+					     params->openssl_ecdh_curves) !=
+		    1) {
+			wpa_printf(MSG_INFO,
+				   "OpenSSL: Failed to set ECDH curves '%s'",
+				   params->openssl_ecdh_curves);
+			return -1;
+		}
+#else /* OPENSSL_NO_EC */
+		wpa_printf(MSG_INFO, "OpenSSL: ECDH not supported");
+		return -1;
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+	}
+
 #ifdef SSL_OP_NO_TICKET
 	if (params->flags & TLS_CONN_DISABLE_SESSION_TICKET)
 		SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_TICKET);
diff --git a/src/crypto/tls_wolfssl.c b/src/crypto/tls_wolfssl.c
index cc8c704..b59622e 100644
--- a/src/crypto/tls_wolfssl.c
+++ b/src/crypto/tls_wolfssl.c
@@ -1524,6 +1524,12 @@
 		return -1;
 	}
 
+	if (params->openssl_ecdh_curves) {
+		wpa_printf(MSG_INFO,
+			   "wolfSSL: openssl_ecdh_curves not supported");
+		return -1;
+	}
+
 #ifdef HAVE_SESSION_TICKET
 	/* Session ticket is off by default - can't disable once on. */
 	if (!(params->flags & TLS_CONN_DISABLE_SESSION_TICKET))
@@ -1543,7 +1549,7 @@
 }
 
 
-int tls_global_set_verify(void *tls_ctx, int check_crl)
+int tls_global_set_verify(void *tls_ctx, int check_crl, int strict)
 {
 	wpa_printf(MSG_DEBUG, "SSL: global set verify: %d", check_crl);