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authorcvs2svn <cvs2svn@FreeBSD.org>2003-01-28 21:43:25 +0000
committercvs2svn <cvs2svn@FreeBSD.org>2003-01-28 21:43:25 +0000
commit5680db7155287cd6240ac745b957480281d0c9fc (patch)
treeffb247d95af1e5e9c01f024c8a14b22349dd7a95
parent3eda35a774d262340e762766852d1d53cd9657a2 (diff)
downloadsrc-5680db7155287cd6240ac745b957480281d0c9fc.tar.gz
src-5680db7155287cd6240ac745b957480281d0c9fc.zip
This commit was manufactured by cvs2svn to create branch 'RELENG_4_6'.
Notes
Notes: svn path=/releng/4.6/; revision=110002
-rw-r--r--crypto/openssl/crypto/mem_clr.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/mem_clr.c b/crypto/openssl/crypto/mem_clr.c
new file mode 100644
index 000000000000..e4b7f540b0bd
--- /dev/null
+++ b/crypto/openssl/crypto/mem_clr.c
@@ -0,0 +1,75 @@
+/* crypto/mem_clr.c -*- mode:C; c-file-style: "eay" -*- */
+/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
+ * project 2002.
+ */
+/* ====================================================================
+ * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <string.h>
+#include <openssl/crypto.h>
+
+unsigned char cleanse_ctr = 0;
+
+void OPENSSL_cleanse(void *ptr, size_t len)
+ {
+ unsigned char *p = ptr;
+ size_t loop = len;
+ while(loop--)
+ {
+ *(p++) = cleanse_ctr;
+ cleanse_ctr += (17 + (unsigned char)((int)p & 0xF));
+ }
+ if(memchr(ptr, cleanse_ctr, len))
+ cleanse_ctr += 63;
+ }