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authordjm <>2010-10-01 22:59:01 +0000
committerdjm <>2010-10-01 22:59:01 +0000
commitfe047d8b632246cb2db3234a0a4f32e5c318857b (patch)
tree939b752540947d33507b3acc48d76a8bfb7c3dc3 /src/lib/libcrypto/aes/aes_ofb.c
parent2ea67f4aa254b09ded62e6e14fc893bbe6381579 (diff)
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resolve conflicts, fix local changes
Diffstat (limited to 'src/lib/libcrypto/aes/aes_ofb.c')
-rw-r--r--src/lib/libcrypto/aes/aes_ofb.c94
1 files changed, 6 insertions, 88 deletions
diff --git a/src/lib/libcrypto/aes/aes_ofb.c b/src/lib/libcrypto/aes/aes_ofb.c
index f358bb39e2..50bf0b8325 100644
--- a/src/lib/libcrypto/aes/aes_ofb.c
+++ b/src/lib/libcrypto/aes/aes_ofb.c
@@ -1,6 +1,6 @@
1/* crypto/aes/aes_ofb.c -*- mode:C; c-file-style: "eay" -*- */ 1/* crypto/aes/aes_ofb.c -*- mode:C; c-file-style: "eay" -*- */
2/* ==================================================================== 2/* ====================================================================
3 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. 3 * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions 6 * modification, are permitted provided that the following conditions
@@ -48,95 +48,13 @@
48 * ==================================================================== 48 * ====================================================================
49 * 49 *
50 */ 50 */
51/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
52 * All rights reserved.
53 *
54 * This package is an SSL implementation written
55 * by Eric Young (eay@cryptsoft.com).
56 * The implementation was written so as to conform with Netscapes SSL.
57 *
58 * This library is free for commercial and non-commercial use as long as
59 * the following conditions are aheared to. The following conditions
60 * apply to all code found in this distribution, be it the RC4, RSA,
61 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
62 * included with this distribution is covered by the same copyright terms
63 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
64 *
65 * Copyright remains Eric Young's, and as such any Copyright notices in
66 * the code are not to be removed.
67 * If this package is used in a product, Eric Young should be given attribution
68 * as the author of the parts of the library used.
69 * This can be in the form of a textual message at program startup or
70 * in documentation (online or textual) provided with the package.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions
74 * are met:
75 * 1. Redistributions of source code must retain the copyright
76 * notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce the above copyright
78 * notice, this list of conditions and the following disclaimer in the
79 * documentation and/or other materials provided with the distribution.
80 * 3. All advertising materials mentioning features or use of this software
81 * must display the following acknowledgement:
82 * "This product includes cryptographic software written by
83 * Eric Young (eay@cryptsoft.com)"
84 * The word 'cryptographic' can be left out if the rouines from the library
85 * being used are not cryptographic related :-).
86 * 4. If you include any Windows specific code (or a derivative thereof) from
87 * the apps directory (application code) you must include an acknowledgement:
88 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
89 *
90 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
91 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
92 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
93 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
94 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
95 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
96 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
97 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
98 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
99 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
100 * SUCH DAMAGE.
101 *
102 * The licence and distribution terms for any publically available version or
103 * derivative of this code cannot be changed. i.e. this code cannot simply be
104 * copied and put under another distribution licence
105 * [including the GNU Public Licence.]
106 */
107
108#ifndef AES_DEBUG
109# ifndef NDEBUG
110# define NDEBUG
111# endif
112#endif
113#include <assert.h>
114 51
115#include <openssl/aes.h> 52#include <openssl/aes.h>
116#include "aes_locl.h" 53#include <openssl/modes.h>
117 54
118/* The input and output encrypted as though 128bit ofb mode is being
119 * used. The extra state information to record how much of the
120 * 128bit block we have used is contained in *num;
121 */
122void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, 55void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
123 const unsigned long length, const AES_KEY *key, 56 size_t length, const AES_KEY *key,
124 unsigned char *ivec, int *num) { 57 unsigned char *ivec, int *num)
125 58{
126 unsigned int n; 59 CRYPTO_ofb128_encrypt(in,out,length,key,ivec,num,(block128_f)AES_encrypt);
127 unsigned long l=length;
128
129 assert(in && out && key && ivec && num);
130
131 n = *num;
132
133 while (l--) {
134 if (n == 0) {
135 AES_encrypt(ivec, ivec, key);
136 }
137 *(out++) = *(in++) ^ ivec[n];
138 n = (n+1) % AES_BLOCK_SIZE;
139 }
140
141 *num=n;
142} 60}