changed structure of trustdb

1 files changed, 29 insertions, 1 deletions

diff --git a/mpi/mpiutil.c b/mpi/mpiutil.c
index 068a9a399..7515eafd1 100644
--- a/mpi/mpiutil.c
+++ b/mpi/mpiutil.c
@@ -1,4 +1,4 @@
-/* mpiutil.c  -  Utility functions for MPI
+/* mpiutilac  -  Utility functions for MPI
  *	Copyright (c) 1997 by Werner Koch (dd9jn)
  *
  * This file is part of G10.
@@ -192,6 +192,34 @@ mpi_free( MPI a )
 }
 
 
+void
+mpi_set_secure( MPI a )
+{
+    mpi_ptr_t ap, bp;
+
+    if( a->secure )
+	return;
+    a->secure = 1;
+    ap = a->d;
+    if( !a->nlimbs ) {
+	assert(!ap);
+	return;
+    }
+  #ifdef M_DEBUG
+    bp = mpi_debug_alloc_limb_space( a->nlimbs, 1, "set_secure" );
+  #else
+    bp = mpi_alloc_limb_space( a->nlimbs, 1 );
+  #endif
+    MPN_COPY( bp, ap, a->nlimbs );
+    a->d = bp;
+  #ifdef M_DEBUG
+    mpi_debug_free_limb_space(ap, "set_secure");
+  #else
+    mpi_free_limb_space(ap);
+  #endif
+}
+
+
 /****************
  * Note: This copy function shpould not interpret the MPI
  *	 but copy it transparently.