--- configure.ac.orig	2018-10-10 02:16:26 UTC

+++ configure.ac

@@ -23,7 +23,7 @@ esac

 # Checks for libraries.

 AC_CHECK_LIB(pcap, pcap_offline_filter, [],

              AC_MSG_ERROR(pcap library not found ))

-AC_CHECK_LIB(crypto, EVP_CIPHER_CTX_init, [],

+AC_CHECK_LIB(crypto, EVP_CIPHER_CTX_new, [],

              AC_MSG_ERROR(OpenSSL library not found))

 # Checks for header files.

--- src/esp.h.orig	2018-10-10 02:21:27 UTC

+++ src/esp.h

@@ -47,7 +47,7 @@ typedef struct auth_method_t {

 typedef struct llflow_t {

   address_t addr_src;

   address_t addr_dst;

-  EVP_CIPHER_CTX ctx;

+  EVP_CIPHER_CTX *ctx;

   unsigned char *key;

   u_int32_t spi;

   char *crypt_name;

--- src/ipdecap.c.orig	2018-10-10 02:20:40 UTC

+++ src/ipdecap.c

@@ -356,8 +356,8 @@ int add_flow(char *ip_src, char *ip_dst, char *crypt_n

   flow->auth_name = strdup(auth_name);

   flow->key = dec_key;

-  EVP_CIPHER_CTX ctx;

-  EVP_CIPHER_CTX_init(&ctx);

+  EVP_CIPHER_CTX *ctx;

+  EVP_CIPHER_CTX_init(ctx);

   flow->ctx = ctx;

   // Adding to linked list

@@ -743,7 +743,7 @@ void process_esp_packet(u_char const *payload, const i

   char ip_src[INET_ADDRSTRLEN+1];

   char ip_dst[INET_ADDRSTRLEN+1];

   llflow_t *flow = NULL;

-  EVP_CIPHER_CTX ctx;

+  EVP_CIPHER_CTX *ctx;

   const EVP_CIPHER *cipher = NULL;

   int packet_size, rc, len, remaining;

   int ivlen;