diff options
Diffstat (limited to 'src/lib/libcrypto/mem_clr.c')
-rw-r--r-- | src/lib/libcrypto/mem_clr.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/lib/libcrypto/mem_clr.c b/src/lib/libcrypto/mem_clr.c deleted file mode 100644 index e4b7f540b0..0000000000 --- a/src/lib/libcrypto/mem_clr.c +++ /dev/null | |||
@@ -1,75 +0,0 @@ | |||
1 | /* crypto/mem_clr.c -*- mode:C; c-file-style: "eay" -*- */ | ||
2 | /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL | ||
3 | * project 2002. | ||
4 | */ | ||
5 | /* ==================================================================== | ||
6 | * Copyright (c) 2001 The OpenSSL Project. All rights reserved. | ||
7 | * | ||
8 | * Redistribution and use in source and binary forms, with or without | ||
9 | * modification, are permitted provided that the following conditions | ||
10 | * are met: | ||
11 | * | ||
12 | * 1. Redistributions of source code must retain the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer. | ||
14 | * | ||
15 | * 2. Redistributions in binary form must reproduce the above copyright | ||
16 | * notice, this list of conditions and the following disclaimer in | ||
17 | * the documentation and/or other materials provided with the | ||
18 | * distribution. | ||
19 | * | ||
20 | * 3. All advertising materials mentioning features or use of this | ||
21 | * software must display the following acknowledgment: | ||
22 | * "This product includes software developed by the OpenSSL Project | ||
23 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
24 | * | ||
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
26 | * endorse or promote products derived from this software without | ||
27 | * prior written permission. For written permission, please contact | ||
28 | * openssl-core@openssl.org. | ||
29 | * | ||
30 | * 5. Products derived from this software may not be called "OpenSSL" | ||
31 | * nor may "OpenSSL" appear in their names without prior written | ||
32 | * permission of the OpenSSL Project. | ||
33 | * | ||
34 | * 6. Redistributions of any form whatsoever must retain the following | ||
35 | * acknowledgment: | ||
36 | * "This product includes software developed by the OpenSSL Project | ||
37 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
38 | * | ||
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
51 | * ==================================================================== | ||
52 | * | ||
53 | * This product includes cryptographic software written by Eric Young | ||
54 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
55 | * Hudson (tjh@cryptsoft.com). | ||
56 | * | ||
57 | */ | ||
58 | |||
59 | #include <string.h> | ||
60 | #include <openssl/crypto.h> | ||
61 | |||
62 | unsigned char cleanse_ctr = 0; | ||
63 | |||
64 | void OPENSSL_cleanse(void *ptr, size_t len) | ||
65 | { | ||
66 | unsigned char *p = ptr; | ||
67 | size_t loop = len; | ||
68 | while(loop--) | ||
69 | { | ||
70 | *(p++) = cleanse_ctr; | ||
71 | cleanse_ctr += (17 + (unsigned char)((int)p & 0xF)); | ||
72 | } | ||
73 | if(memchr(ptr, cleanse_ctr, len)) | ||
74 | cleanse_ctr += 63; | ||
75 | } | ||