diff --git a/configure.ac b/configure.ac
index 59673e04..b8e2476f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -918,10 +918,13 @@ if test "${with_crypto_library}" = "openssl"; then
 			EVP_MD_CTX_new \
 			EVP_MD_CTX_free \
 			EVP_MD_CTX_reset \
+			EVP_CIPHER_CTX_reset \
 			OpenSSL_version \
 			SSL_CTX_get_default_passwd_cb \
 			SSL_CTX_get_default_passwd_cb_userdata \
 			SSL_CTX_set_security_level \
+			X509_get0_notBefore \
+			X509_get0_notAfter \
 			X509_get0_pubkey \
 			X509_STORE_get0_objects \
 			X509_OBJECT_free \
diff --git a/src/openvpn/crypto.c b/src/openvpn/crypto.c
index 8a92a8c1..585bfbc6 100644
--- a/src/openvpn/crypto.c
+++ b/src/openvpn/crypto.c
@@ -906,7 +906,6 @@ free_key_ctx(struct key_ctx *ctx)
 {
     if (ctx->cipher)
     {
-        cipher_ctx_cleanup(ctx->cipher);
         cipher_ctx_free(ctx->cipher);
         ctx->cipher = NULL;
     }
diff --git a/src/openvpn/crypto_backend.h b/src/openvpn/crypto_backend.h
index 7e9a4bd2..d119442f 100644
--- a/src/openvpn/crypto_backend.h
+++ b/src/openvpn/crypto_backend.h
@@ -341,7 +341,7 @@ bool cipher_kt_mode_aead(const cipher_kt_t *cipher);
 cipher_ctx_t *cipher_ctx_new(void);
 
 /**
- * Free a cipher context
+ * Cleanup and free a cipher context
  *
  * @param ctx           Cipher context.
  */
@@ -360,13 +360,6 @@ void cipher_ctx_free(cipher_ctx_t *ctx);
 void cipher_ctx_init(cipher_ctx_t *ctx, const uint8_t *key, int key_len,
                      const cipher_kt_t *kt, int enc);
 
-/**
- * Cleanup the specified context.
- *
- * @param ctx   Cipher context to cleanup.
- */
-void cipher_ctx_cleanup(cipher_ctx_t *ctx);
-
 /**
  * Returns the size of the IV used by the cipher, in bytes, or 0 if no IV is
  * used.
diff --git a/src/openvpn/crypto_mbedtls.c b/src/openvpn/crypto_mbedtls.c
index 2e931440..f924323d 100644
--- a/src/openvpn/crypto_mbedtls.c
+++ b/src/openvpn/crypto_mbedtls.c
@@ -616,12 +616,6 @@ cipher_ctx_init(mbedtls_cipher_context_t *ctx, const uint8_t *key, int key_len,
     ASSERT(ctx->key_bitlen <= key_len*8);
 }
 
-void
-cipher_ctx_cleanup(mbedtls_cipher_context_t *ctx)
-{
-    mbedtls_cipher_free(ctx);
-}
-
 int
 cipher_ctx_iv_length(const mbedtls_cipher_context_t *ctx)
 {
@@ -861,6 +855,7 @@ md_ctx_new(void)
 void
 md_ctx_free(mbedtls_md_context_t *ctx)
 {
+    mbedtls_cipher_free(ctx);
     free(ctx);
 }
 
diff --git a/src/openvpn/crypto_openssl.c b/src/openvpn/crypto_openssl.c
index c049e52d..520e40ee 100644
--- a/src/openvpn/crypto_openssl.c
+++ b/src/openvpn/crypto_openssl.c
@@ -772,7 +772,7 @@ cipher_ctx_init(EVP_CIPHER_CTX *ctx, const uint8_t *key, int key_len,
 {
     ASSERT(NULL != kt && NULL != ctx);
 
-    EVP_CIPHER_CTX_init(ctx);
+    EVP_CIPHER_CTX_reset(ctx);
     if (!EVP_CipherInit(ctx, kt, NULL, NULL, enc))
     {
         crypto_msg(M_FATAL, "EVP cipher init #1");
@@ -792,12 +792,6 @@ cipher_ctx_init(EVP_CIPHER_CTX *ctx, const uint8_t *key, int key_len,
     ASSERT(EVP_CIPHER_CTX_key_length(ctx) <= key_len);
 }
 
-void
-cipher_ctx_cleanup(EVP_CIPHER_CTX *ctx)
-{
-    EVP_CIPHER_CTX_cleanup(ctx);
-}
-
 int
 cipher_ctx_iv_length(const EVP_CIPHER_CTX *ctx)
 {
diff --git a/src/openvpn/openssl_compat.h b/src/openvpn/openssl_compat.h
index a4072b9a..4ac8f24d 100644
--- a/src/openvpn/openssl_compat.h
+++ b/src/openvpn/openssl_compat.h
@@ -89,6 +89,18 @@ EVP_MD_CTX_new(void)
 }
 #endif
 
+#if !defined(HAVE_EVP_CIPHER_CTX_RESET)
+#define EVP_CIPHER_CTX_reset EVP_CIPHER_CTX_init
+#endif
+
+#if !defined(HAVE_X509_GET0_NOTBEFORE)
+#define X509_get0_notBefore X509_get_notBefore
+#endif
+
+#if !defined(HAVE_X509_GET0_NOTAFTER)
+#define X509_get0_notAfter X509_get_notAfter
+#endif
+
 #if !defined(HAVE_HMAC_CTX_RESET)
 /**
  * Reset a HMAC context
diff --git a/src/openvpn/ssl_openssl.c b/src/openvpn/ssl_openssl.c
index 05ca4113..c029d0f2 100644
--- a/src/openvpn/ssl_openssl.c
+++ b/src/openvpn/ssl_openssl.c
@@ -76,12 +76,13 @@ int mydata_index; /* GLOBAL */
 void
 tls_init_lib(void)
 {
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER))
     SSL_library_init();
-#ifndef ENABLE_SMALL
+# ifndef ENABLE_SMALL
     SSL_load_error_strings();
-#endif
+# endif
     OpenSSL_add_all_algorithms();
-
+#endif
     mydata_index = SSL_get_ex_new_index(0, "struct session *", NULL, NULL, NULL);
     ASSERT(mydata_index >= 0);
 }
@@ -89,9 +90,11 @@ tls_init_lib(void)
 void
 tls_free_lib(void)
 {
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER))
     EVP_cleanup();
-#ifndef ENABLE_SMALL
+# ifndef ENABLE_SMALL
     ERR_free_strings();
+# endif
 #endif
 }
 
@@ -567,7 +570,7 @@ tls_ctx_check_cert_time(const struct tls_root_ctx *ctx)
         goto cleanup; /* Nothing to check if there is no certificate */
     }
 
-    ret = X509_cmp_time(X509_get_notBefore(cert), NULL);
+    ret = X509_cmp_time(X509_get0_notBefore(cert), NULL);
     if (ret == 0)
     {
         msg(D_TLS_DEBUG_MED, "Failed to read certificate notBefore field.");
@@ -577,7 +580,7 @@ tls_ctx_check_cert_time(const struct tls_root_ctx *ctx)
         msg(M_WARN, "WARNING: Your certificate is not yet valid!");
     }
 
-    ret = X509_cmp_time(X509_get_notAfter(cert), NULL);
+    ret = X509_cmp_time(X509_get0_notAfter(cert), NULL);
     if (ret == 0)
     {
         msg(D_TLS_DEBUG_MED, "Failed to read certificate notAfter field.");
@@ -660,10 +663,13 @@ tls_ctx_load_ecdh_params(struct tls_root_ctx *ctx, const char *curve_name
     else
     {
 #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER))
+
         /* OpenSSL 1.0.2 and newer can automatically handle ECDH parameter
          * loading */
         SSL_CTX_set_ecdh_auto(ctx->ctx, 1);
         return;
+#endif
 #else
         /* For older OpenSSL we have to extract the curve from key on our own */
         EC_KEY *eckey = NULL;