diff options
Diffstat (limited to 'src/lib/libcrypto/modes/ofb128.c')
-rw-r--r-- | src/lib/libcrypto/modes/ofb128.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/lib/libcrypto/modes/ofb128.c b/src/lib/libcrypto/modes/ofb128.c deleted file mode 100644 index 1b8a6fd500..0000000000 --- a/src/lib/libcrypto/modes/ofb128.c +++ /dev/null | |||
@@ -1,119 +0,0 @@ | |||
1 | /* $OpenBSD: ofb128.c,v 1.4 2015/02/10 09:46:30 miod Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * | ||
9 | * 1. Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in | ||
14 | * the documentation and/or other materials provided with the | ||
15 | * distribution. | ||
16 | * | ||
17 | * 3. All advertising materials mentioning features or use of this | ||
18 | * software must display the following acknowledgment: | ||
19 | * "This product includes software developed by the OpenSSL Project | ||
20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
21 | * | ||
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
23 | * endorse or promote products derived from this software without | ||
24 | * prior written permission. For written permission, please contact | ||
25 | * openssl-core@openssl.org. | ||
26 | * | ||
27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
28 | * nor may "OpenSSL" appear in their names without prior written | ||
29 | * permission of the OpenSSL Project. | ||
30 | * | ||
31 | * 6. Redistributions of any form whatsoever must retain the following | ||
32 | * acknowledgment: | ||
33 | * "This product includes software developed by the OpenSSL Project | ||
34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
35 | * | ||
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
48 | * ==================================================================== | ||
49 | * | ||
50 | */ | ||
51 | |||
52 | #include <openssl/crypto.h> | ||
53 | #include "modes_lcl.h" | ||
54 | #include <string.h> | ||
55 | |||
56 | #ifndef MODES_DEBUG | ||
57 | # ifndef NDEBUG | ||
58 | # define NDEBUG | ||
59 | # endif | ||
60 | #endif | ||
61 | |||
62 | /* The input and output encrypted as though 128bit ofb mode is being | ||
63 | * used. The extra state information to record how much of the | ||
64 | * 128bit block we have used is contained in *num; | ||
65 | */ | ||
66 | void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out, | ||
67 | size_t len, const void *key, | ||
68 | unsigned char ivec[16], int *num, | ||
69 | block128_f block) | ||
70 | { | ||
71 | unsigned int n; | ||
72 | size_t l=0; | ||
73 | |||
74 | n = *num; | ||
75 | |||
76 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
77 | if (16%sizeof(size_t) == 0) do { /* always true actually */ | ||
78 | while (n && len) { | ||
79 | *(out++) = *(in++) ^ ivec[n]; | ||
80 | --len; | ||
81 | n = (n+1) % 16; | ||
82 | } | ||
83 | #ifdef __STRICT_ALIGNMENT | ||
84 | if (((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) | ||
85 | break; | ||
86 | #endif | ||
87 | while (len>=16) { | ||
88 | (*block)(ivec, ivec, key); | ||
89 | for (; n<16; n+=sizeof(size_t)) | ||
90 | *(size_t*)(out+n) = | ||
91 | *(size_t*)(in+n) ^ *(size_t*)(ivec+n); | ||
92 | len -= 16; | ||
93 | out += 16; | ||
94 | in += 16; | ||
95 | n = 0; | ||
96 | } | ||
97 | if (len) { | ||
98 | (*block)(ivec, ivec, key); | ||
99 | while (len--) { | ||
100 | out[n] = in[n] ^ ivec[n]; | ||
101 | ++n; | ||
102 | } | ||
103 | } | ||
104 | *num = n; | ||
105 | return; | ||
106 | } while(0); | ||
107 | /* the rest would be commonly eliminated by x86* compiler */ | ||
108 | #endif | ||
109 | while (l<len) { | ||
110 | if (n==0) { | ||
111 | (*block)(ivec, ivec, key); | ||
112 | } | ||
113 | out[l] = in[l] ^ ivec[n]; | ||
114 | ++l; | ||
115 | n = (n+1) % 16; | ||
116 | } | ||
117 | |||
118 | *num=n; | ||
119 | } | ||