X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mono%2Fmetadata%2Fsecurity.c;h=f621f319eb881c2b96bb52cc20bd50bf615e1e16;hb=7a7f424a903ff246b89a455a6fbd801d5b6b0577;hp=9004f38233b30d11d2b654ca6deafc412139ae95;hpb=f99ce750ee781a2584e849a0264300fa4d99aaaa;p=mono.git

diff --git a/mono/metadata/security.c b/mono/metadata/security.c
index 9004f38233b..f621f319eb8 100644
--- a/mono/metadata/security.c
+++ b/mono/metadata/security.c
@@ -11,6 +11,7 @@
 #include <config.h>
 #endif
 
+#include <mono/metadata/assembly.h>
 #include <mono/metadata/appdomain.h>
 #include <mono/metadata/image.h>
 #include <mono/metadata/exception.h>
@@ -964,3 +965,45 @@ ves_icall_System_Security_Policy_Evidence_IsAuthenticodePresent (MonoReflectionA
 	}
 	return FALSE;
 }
+
+
+/* System.Security.SecureString related internal calls */
+
+static MonoImage *system_security_assembly = NULL;
+
+void
+ves_icall_System_Security_SecureString_DecryptInternal (MonoArray *data, MonoObject *scope)
+{
+	invoke_protected_memory_method (data, scope, FALSE);
+}
+void
+ves_icall_System_Security_SecureString_EncryptInternal (MonoArray* data, MonoObject *scope)
+{
+	invoke_protected_memory_method (data, scope, TRUE);
+}
+
+void invoke_protected_memory_method (MonoArray *data, MonoObject *scope, gboolean encrypt)
+{
+	MonoClass *klass;
+	MonoMethod *method;
+	void *params [2];
+
+	MONO_ARCH_SAVE_REGS;
+
+	if (system_security_assembly == NULL) {
+		system_security_assembly = mono_image_loaded ("System.Security");
+		if (!system_security_assembly) {
+			MonoAssembly *sa = mono_assembly_open ("System.Security.dll", NULL);
+			if (!sa)
+				g_assert_not_reached ();
+			system_security_assembly = mono_assembly_get_image (sa);
+		}
+	}
+
+	klass = mono_class_from_name (system_security_assembly,
+								  "System.Security.Cryptography", "ProtectedMemory");
+	method = mono_class_get_method_from_name (klass, encrypt ? "Protect" : "Unprotect", 2);
+	params [0] = data;
+	params [1] = scope; /* MemoryProtectionScope.SameProcess */
+	mono_runtime_invoke (method, NULL, params, NULL);
+}