6 files changed, 10 insertions, 8 deletions
diff --git a/src/common/Cryptography/ARC4.h b/src/common/Cryptography/ARC4.h
index f39e662e295..7e680176836 100644
--- a/src/common/Cryptography/ARC4.h
+++ b/src/common/Cryptography/ARC4.h
@@ -22,7 +22,7 @@
 #include <openssl/evp.h>
 #include "Define.h"
 
-class ARC4
+class TC_COMMON_API ARC4
 {
     public:
         ARC4(uint8 len);
diff --git a/src/common/Cryptography/Authentication/AuthCrypt.h b/src/common/Cryptography/Authentication/AuthCrypt.h
index 878391e3ce8..db4de8a7bd1 100644
--- a/src/common/Cryptography/Authentication/AuthCrypt.h
+++ b/src/common/Cryptography/Authentication/AuthCrypt.h
@@ -23,7 +23,7 @@
 
 class BigNumber;
 
-class AuthCrypt
+class TC_COMMON_API AuthCrypt
 {
     public:
         AuthCrypt();
diff --git a/src/common/Cryptography/BigNumber.h b/src/common/Cryptography/BigNumber.h
index a5bda50dc72..1d21be1b431 100644
--- a/src/common/Cryptography/BigNumber.h
+++ b/src/common/Cryptography/BigNumber.h
@@ -24,7 +24,7 @@
 
 struct bignum_st;
 
-class BigNumber
+class TC_COMMON_API BigNumber
 {
     public:
         BigNumber();
diff --git a/src/common/Cryptography/HMACSHA1.h b/src/common/Cryptography/HMACSHA1.h
index 29a926d5b16..049847489a6 100644
--- a/src/common/Cryptography/HMACSHA1.h
+++ b/src/common/Cryptography/HMACSHA1.h
@@ -28,7 +28,7 @@ class BigNumber;
 
 #define SEED_KEY_SIZE 16
 
-class HmacHash
+class TC_COMMON_API HmacHash
 {
     public:
         HmacHash(uint32 len, uint8 *seed);
diff --git a/src/common/Cryptography/OpenSSLCrypto.h b/src/common/Cryptography/OpenSSLCrypto.h
index df1b14b5eda..65155df9af8 100644
--- a/src/common/Cryptography/OpenSSLCrypto.h
+++ b/src/common/Cryptography/OpenSSLCrypto.h
@@ -18,6 +18,8 @@
 #ifndef OPENSSL_CRYPTO_H
 #define OPENSSL_CRYPTO_H
 
+#include "Define.h"
+
 /**
 * A group of functions which setup openssl crypto module to work properly in multithreaded enviroment
 * If not setup properly - it will crash
@@ -25,9 +27,9 @@
 namespace OpenSSLCrypto
 {
     /// Needs to be called before threads using openssl are spawned
-    void threadsSetup();
+    TC_COMMON_API void threadsSetup();
     /// Needs to be called after threads using openssl are despawned
-    void threadsCleanup();
+    TC_COMMON_API void threadsCleanup();
 }
 
-#endif
-\ No newline at end of file
+#endif
diff --git a/src/common/Cryptography/SHA1.h b/src/common/Cryptography/SHA1.h
index ffa02176a2d..970ab5c0cb9 100644
--- a/src/common/Cryptography/SHA1.h
+++ b/src/common/Cryptography/SHA1.h
@@ -25,7 +25,7 @@
 
 class BigNumber;
 
-class SHA1Hash
+class TC_COMMON_API SHA1Hash
 {
     public:
         SHA1Hash();