From: Ken Raeburn <raeburn@mit.edu>
Date: Tue, 22 Jul 2003 17:44:39 +0000 (+0000)
Subject: * k5-int.h (krb5int_zap_data, zap): New macros; call memset with volatile cast
X-Git-Tag: krb5-1.4-beta1~800
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=989bde83edb867ff3a6471c25516055e2651d2c5;p=thirdparty%2Fkrb5.git

* k5-int.h (krb5int_zap_data, zap): New macros; call memset with volatile cast
for now.

ticket: 1404
status: open

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@15709 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/include/ChangeLog b/src/include/ChangeLog
index d713b10fde..eb2606dea6 100644
--- a/src/include/ChangeLog
+++ b/src/include/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-22  Ken Raeburn  <raeburn@mit.edu>
+
+	* k5-int.h (krb5int_zap_data, zap): New macros; call memset with
+	volatile cast for now.
+
 2003-07-21  Alexandra Ellwood  <lxs@mit.edu>
 
         * krb5.hin: Export krb5_principal2salt.
diff --git a/src/include/k5-int.h b/src/include/k5-int.h
index fa5b93d69b..3c2e382f82 100644
--- a/src/include/k5-int.h
+++ b/src/include/k5-int.h
@@ -688,6 +688,10 @@ krb5_error_code krb5int_pbkdf2_hmac_sha1 (const krb5_data *, unsigned long,
 					  const krb5_data *,
 					  const krb5_data *);
 
+/* Make this a function eventually?  */
+#define krb5int_zap_data(ptr, len) memset((volatile void *)ptr, 0, len)
+#define zap(p,l) krb5int_zap_data(p,l)
+
 /* A definition of init_state for DES based encryption systems.
  * sets up an 8-byte IV of all zeros
  */