From 9ad5a5d9b6ee88f5e0c1a30995cbb98ef8ddbc33 Mon Sep 17 00:00:00 2001
From: winlin <winlin@vip.126.com>
Date: Fri, 3 Apr 2020 13:41:45 +0800
Subject: [PATCH] RTC support openssl 1.0.*

---
 trunk/src/protocol/srs_rtmp_handshake.cpp | 5 +++--
 trunk/src/protocol/srs_rtmp_handshake.hpp | 6 ++++++
 trunk/src/protocol/srs_stun_stack.cpp     | 1 +
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/trunk/src/protocol/srs_rtmp_handshake.cpp b/trunk/src/protocol/srs_rtmp_handshake.cpp
index 3d0a8a9b1..b7f92ae59 100644
--- a/trunk/src/protocol/srs_rtmp_handshake.cpp
+++ b/trunk/src/protocol/srs_rtmp_handshake.cpp
@@ -45,9 +45,10 @@ using namespace _srs_internal;
 // For randomly generate the handshake bytes.
 #define RTMP_SIG_SRS_HANDSHAKE RTMP_SIG_SRS_KEY "(" RTMP_SIG_SRS_VERSION ")"
 
+// @see https://wiki.openssl.org/index.php/OpenSSL_1.1.0_Changes
 #if OPENSSL_VERSION_NUMBER < 0x10100000L
 
-static HMAC_CTX *HMAC_CTX_new(void)
+HMAC_CTX *HMAC_CTX_new(void)
 {
     HMAC_CTX *ctx = (HMAC_CTX *)malloc(sizeof(*ctx));
     if (ctx != NULL) {
@@ -56,7 +57,7 @@ static HMAC_CTX *HMAC_CTX_new(void)
     return ctx;
 }
 
-static void HMAC_CTX_free(HMAC_CTX *ctx)
+void HMAC_CTX_free(HMAC_CTX *ctx)
 {
     if (ctx != NULL) {
         HMAC_CTX_cleanup(ctx);
diff --git a/trunk/src/protocol/srs_rtmp_handshake.hpp b/trunk/src/protocol/srs_rtmp_handshake.hpp
index bfe7b1bd0..49100fb4c 100644
--- a/trunk/src/protocol/srs_rtmp_handshake.hpp
+++ b/trunk/src/protocol/srs_rtmp_handshake.hpp
@@ -34,6 +34,12 @@ class SrsBuffer;
 // For openssl.
 #include <openssl/hmac.h>
 
+// @see https://wiki.openssl.org/index.php/OpenSSL_1.1.0_Changes
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+extern HMAC_CTX *HMAC_CTX_new(void);
+extern void HMAC_CTX_free(HMAC_CTX *ctx);
+#endif
+
 namespace _srs_internal
 {
     // The digest key generate size.
diff --git a/trunk/src/protocol/srs_stun_stack.cpp b/trunk/src/protocol/srs_stun_stack.cpp
index 6dcea2950..e32ce6ad1 100644
--- a/trunk/src/protocol/srs_stun_stack.cpp
+++ b/trunk/src/protocol/srs_stun_stack.cpp
@@ -34,6 +34,7 @@ using namespace std;
 #include <srs_kernel_buffer.hpp>
 #include <srs_kernel_log.hpp>
 #include <srs_kernel_utility.hpp>
+#include <srs_rtmp_handshake.hpp>
 
 static srs_error_t hmac_encode(const std::string& algo, const char* key, const int& key_length,  
         const char* input, const int input_length, char* output, unsigned int& output_length)