1 files changed, 47 insertions, 0 deletions
diff --git a/SoftHSMv2/m4/acx_botan_rfc5649.m4 b/SoftHSMv2/m4/acx_botan_rfc5649.m4
new file mode 100644
index 0000000..25a3d26
--- /dev/null
+++ b/SoftHSMv2/m4/acx_botan_rfc5649.m4
@@ -0,0 +1,47 @@
+AC_DEFUN([ACX_BOTAN_RFC5649],[
+	AC_MSG_CHECKING(for Botan RFC5649 support)
+
+	tmp_CPPFLAGS=$CPPFLAGS
+	tmp_LIBS=$LIBS
+
+	CPPFLAGS="$CPPFLAGS $CRYPTO_INCLUDES"
+	LIBS="$CRYPTO_LIBS $LIBS"
+
+	AC_DEFINE([HAVE_AES_KEY_WRAP], [1],
+		  [Define if advanced AES key wrap without pad is supported])
+	AC_LANG_PUSH([C++])
+	AC_LINK_IFELSE([
+		AC_LANG_SOURCE([[
+			#include <botan/botan.h>
+			#include <botan/rfc3394.h>
+			#include <botan/version.h>
+			int main()
+			{
+				using namespace Botan;
+
+#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,0)
+				secure_vector<byte> key(10);
+				SymmetricKey kek("AABB");
+				secure_vector<byte> x = rfc5649_keywrap(key, kek);
+#else
+				SecureVector<byte> key(10);
+				SymmetricKey kek("AABB");
+				Algorithm_Factory& af = global_state().algorithm_factory();
+				SecureVector<byte> x = rfc5649_keywrap(key, kek, af);
+#endif
+				return 1;
+			}
+		]])
+	],[
+		AC_MSG_RESULT([Found AES key wrap with pad])
+		AC_DEFINE([HAVE_AES_KEY_WRAP_PAD], [1],
+			  [Define if advanced AES key wrap with pad is supported])
+	],[
+		AC_MSG_RESULT([Cannot find AES key wrap with pad])
+
+	])
+	AC_LANG_POP([C++])
+
+	CPPFLAGS=$tmp_CPPFLAGS
+	LIBS=$tmp_LIBS
+])