svn commit: r213062 - head/sys/geom/eli

[Pawel Jakub Dawidek]

Author: pjd
Date: Thu Sep 23 11:19:48 2010
New Revision: 213062
URL: http://svn.freebsd.org/changeset/base/213062

Log:
  Define default overwrite count, so that userland can use it.
  
  MFC after:	1 week

Modified:
  head/sys/geom/eli/g_eli.c
  head/sys/geom/eli/g_eli.h

Modified: head/sys/geom/eli/g_eli.c
==============================================================================
--- head/sys/geom/eli/g_eli.c	Thu Sep 23 11:19:03 2010	(r213061)
+++ head/sys/geom/eli/g_eli.c	Thu Sep 23 11:19:48 2010	(r213062)
@@ -69,7 +69,7 @@ TUNABLE_INT("kern.geom.eli.visible_passp
 SYSCTL_UINT(_kern_geom_eli, OID_AUTO, visible_passphrase, CTLFLAG_RW,
     &g_eli_visible_passphrase, 0,
     "Turn on echo when entering the passphrase (for debug purposes only!!)");
-u_int g_eli_overwrites = 5;
+u_int g_eli_overwrites = G_ELI_OVERWRITES;
 TUNABLE_INT("kern.geom.eli.overwrites", &g_eli_overwrites);
 SYSCTL_UINT(_kern_geom_eli, OID_AUTO, overwrites, CTLFLAG_RW, &g_eli_overwrites,
     0, "Number of times on-disk keys should be overwritten when destroying them");

Modified: head/sys/geom/eli/g_eli.h
==============================================================================
--- head/sys/geom/eli/g_eli.h	Thu Sep 23 11:19:03 2010	(r213061)
+++ head/sys/geom/eli/g_eli.h	Thu Sep 23 11:19:48 2010	(r213062)
@@ -97,6 +97,7 @@
 #define	G_ELI_DATAIVKEYLEN	(G_ELI_DATAKEYLEN + G_ELI_IVKEYLEN)
 /* Data-Key, IV-Key, HMAC_SHA512(Derived-Key, Data-Key+IV-Key) */
 #define	G_ELI_MKEYLEN		(G_ELI_DATAIVKEYLEN + SHA512_MDLEN)
+#define	G_ELI_OVERWRITES	5
 
 #ifdef _KERNEL
 extern u_int g_eli_debug;