1 files changed, 51 insertions, 0 deletions
diff --git a/modules/engine/openssl/bn_wrap.h b/modules/engine/openssl/bn_wrap.h
new file mode 100644
index 000000000..682795660
--- /dev/null
+++ b/modules/engine/openssl/bn_wrap.h
@@ -0,0 +1,51 @@
+/*************************************************
+* OpenSSL BN Wrapper Header File                 *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_EXT_OPENSSL_BN_WRAP_H__
+#define BOTAN_EXT_OPENSSL_BN_WRAP_H__
+
+#include <botan/bigint.h>
+#include <openssl/bn.h>
+
+namespace Botan {
+
+/*************************************************
+* Lightweight OpenSSL BN Wrapper                 *
+*************************************************/
+class OSSL_BN
+   {
+   public:
+      BIGNUM* value;
+
+      BigInt to_bigint() const;
+      void encode(byte[], u32bit) const;
+      u32bit bytes() const;
+
+      OSSL_BN& operator=(const OSSL_BN&);
+
+      OSSL_BN(const OSSL_BN&);
+      OSSL_BN(const BigInt& = 0);
+      OSSL_BN(const byte[], u32bit);
+      ~OSSL_BN();
+   };
+
+/*************************************************
+* Lightweight OpenSSL BN_CTX Wrapper             *
+*************************************************/
+class OSSL_BN_CTX
+   {
+   public:
+      BN_CTX* value;
+
+      OSSL_BN_CTX& operator=(const OSSL_BN_CTX&);
+
+      OSSL_BN_CTX();
+      OSSL_BN_CTX(const OSSL_BN_CTX&);
+      ~OSSL_BN_CTX();
+   };
+
+}
+
+#endif