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Diffstat (limited to 'src/lib/libcrypto/modes/ofb128.c')
-rw-r--r-- | src/lib/libcrypto/modes/ofb128.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/src/lib/libcrypto/modes/ofb128.c b/src/lib/libcrypto/modes/ofb128.c deleted file mode 100644 index c732e2ec58..0000000000 --- a/src/lib/libcrypto/modes/ofb128.c +++ /dev/null | |||
@@ -1,128 +0,0 @@ | |||
1 | /* ==================================================================== | ||
2 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
3 | * | ||
4 | * Redistribution and use in source and binary forms, with or without | ||
5 | * modification, are permitted provided that the following conditions | ||
6 | * are met: | ||
7 | * | ||
8 | * 1. Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions and the following disclaimer. | ||
10 | * | ||
11 | * 2. Redistributions in binary form must reproduce the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer in | ||
13 | * the documentation and/or other materials provided with the | ||
14 | * distribution. | ||
15 | * | ||
16 | * 3. All advertising materials mentioning features or use of this | ||
17 | * software must display the following acknowledgment: | ||
18 | * "This product includes software developed by the OpenSSL Project | ||
19 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
20 | * | ||
21 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
22 | * endorse or promote products derived from this software without | ||
23 | * prior written permission. For written permission, please contact | ||
24 | * openssl-core@openssl.org. | ||
25 | * | ||
26 | * 5. Products derived from this software may not be called "OpenSSL" | ||
27 | * nor may "OpenSSL" appear in their names without prior written | ||
28 | * permission of the OpenSSL Project. | ||
29 | * | ||
30 | * 6. Redistributions of any form whatsoever must retain the following | ||
31 | * acknowledgment: | ||
32 | * "This product includes software developed by the OpenSSL Project | ||
33 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
34 | * | ||
35 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
46 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
47 | * ==================================================================== | ||
48 | * | ||
49 | */ | ||
50 | |||
51 | #include "modes.h" | ||
52 | #include <string.h> | ||
53 | |||
54 | #ifndef MODES_DEBUG | ||
55 | # ifndef NDEBUG | ||
56 | # define NDEBUG | ||
57 | # endif | ||
58 | #endif | ||
59 | #include <assert.h> | ||
60 | |||
61 | #define STRICT_ALIGNMENT | ||
62 | #if defined(__i386) || defined(__i386__) || \ | ||
63 | defined(__x86_64) || defined(__x86_64__) || \ | ||
64 | defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || \ | ||
65 | defined(__s390__) || defined(__s390x__) | ||
66 | # undef STRICT_ALIGNMENT | ||
67 | #endif | ||
68 | |||
69 | /* The input and output encrypted as though 128bit ofb mode is being | ||
70 | * used. The extra state information to record how much of the | ||
71 | * 128bit block we have used is contained in *num; | ||
72 | */ | ||
73 | void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out, | ||
74 | size_t len, const void *key, | ||
75 | unsigned char ivec[16], int *num, | ||
76 | block128_f block) | ||
77 | { | ||
78 | unsigned int n; | ||
79 | size_t l=0; | ||
80 | |||
81 | assert(in && out && key && ivec && num); | ||
82 | |||
83 | n = *num; | ||
84 | |||
85 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
86 | if (16%sizeof(size_t) == 0) do { /* always true actually */ | ||
87 | while (n && len) { | ||
88 | *(out++) = *(in++) ^ ivec[n]; | ||
89 | --len; | ||
90 | n = (n+1) % 16; | ||
91 | } | ||
92 | #if defined(STRICT_ALIGNMENT) | ||
93 | if (((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) | ||
94 | break; | ||
95 | #endif | ||
96 | while (len>=16) { | ||
97 | (*block)(ivec, ivec, key); | ||
98 | for (; n<16; n+=sizeof(size_t)) | ||
99 | *(size_t*)(out+n) = | ||
100 | *(size_t*)(in+n) ^ *(size_t*)(ivec+n); | ||
101 | len -= 16; | ||
102 | out += 16; | ||
103 | in += 16; | ||
104 | n = 0; | ||
105 | } | ||
106 | if (len) { | ||
107 | (*block)(ivec, ivec, key); | ||
108 | while (len--) { | ||
109 | out[n] = in[n] ^ ivec[n]; | ||
110 | ++n; | ||
111 | } | ||
112 | } | ||
113 | *num = n; | ||
114 | return; | ||
115 | } while(0); | ||
116 | /* the rest would be commonly eliminated by x86* compiler */ | ||
117 | #endif | ||
118 | while (l<len) { | ||
119 | if (n==0) { | ||
120 | (*block)(ivec, ivec, key); | ||
121 | } | ||
122 | out[l] = in[l] ^ ivec[n]; | ||
123 | ++l; | ||
124 | n = (n+1) % 16; | ||
125 | } | ||
126 | |||
127 | *num=n; | ||
128 | } | ||