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| author | cvs2svn <admin@example.com> | 2012-07-13 17:49:56 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2012-07-13 17:49:56 +0000 |
| commit | ee04221ea8063435416c7e6369e6eae76843aa71 (patch) | |
| tree | 821921a1dd0a5a3cece91121e121cc63c4b68128 /src/lib/libcrypto/modes/ofb128.c | |
| parent | adf6731f6e1d04718aee00cb93435143046aee9a (diff) | |
| download | openbsd-eric_g2k12.tar.gz openbsd-eric_g2k12.tar.bz2 openbsd-eric_g2k12.zip | |
This commit was manufactured by cvs2git to create tag 'eric_g2k12'.eric_g2k12
Diffstat (limited to '')
| -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 | } | ||
