seed.h revision 296465 
1/*
2 * Copyright (c) 2007 KISA(Korea Information Security Agency). 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Neither the name of author nor the names of its contributors may
10 *    be used to endorse or promote products derived from this software
11 *    without specific prior written permission.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 */
26/* ====================================================================
27 * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
31 * are met:
32 *
33 * 1. Redistributions of source code must retain the above copyright
34 *    notice, this list of conditions and the following disclaimer.
35 *
36 * 2. Redistributions in binary form must reproduce the above copyright
37 *    notice, this list of conditions and the following disclaimer in
38 *    the documentation and/or other materials provided with the
39 *    distribution.
40 *
41 * 3. All advertising materials mentioning features or use of this
42 *    software must display the following acknowledgment:
43 *    "This product includes software developed by the OpenSSL Project
44 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
45 *
46 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
47 *    endorse or promote products derived from this software without
48 *    prior written permission. For written permission, please contact
49 *    openssl-core@openssl.org.
50 *
51 * 5. Products derived from this software may not be called "OpenSSL"
52 *    nor may "OpenSSL" appear in their names without prior written
53 *    permission of the OpenSSL Project.
54 *
55 * 6. Redistributions of any form whatsoever must retain the following
56 *    acknowledgment:
57 *    "This product includes software developed by the OpenSSL Project
58 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
59 *
60 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
61 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
63 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
64 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
65 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
66 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
67 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
69 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
70 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
71 * OF THE POSSIBILITY OF SUCH DAMAGE.
72 * ====================================================================
73 *
74 * This product includes cryptographic software written by Eric Young
75 * (eay@cryptsoft.com).  This product includes software written by Tim
76 * Hudson (tjh@cryptsoft.com).
77 *
78 */
79
80#ifndef HEADER_SEED_H
81# define HEADER_SEED_H
82
83# include <openssl/opensslconf.h>
84
85# ifdef OPENSSL_NO_SEED
86#  error SEED is disabled.
87# endif
88
89/* look whether we need 'long' to get 32 bits */
90# ifdef AES_LONG
91#  ifndef SEED_LONG
92#   define SEED_LONG 1
93#  endif
94# endif
95
96# if !defined(NO_SYS_TYPES_H)
97#  include <sys/types.h>
98# endif
99
100# define SEED_BLOCK_SIZE 16
101# define SEED_KEY_LENGTH 16
102
103
104#ifdef  __cplusplus
105extern "C" {
106#endif
107
108typedef struct seed_key_st {
109# ifdef SEED_LONG
110    unsigned long data[32];
111# else
112    unsigned int data[32];
113# endif
114} SEED_KEY_SCHEDULE;
115
116void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH],
117                  SEED_KEY_SCHEDULE *ks);
118
119void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE],
120                  unsigned char d[SEED_BLOCK_SIZE],
121                  const SEED_KEY_SCHEDULE *ks);
122void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE],
123                  unsigned char d[SEED_BLOCK_SIZE],
124                  const SEED_KEY_SCHEDULE *ks);
125
126void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out,
127                      const SEED_KEY_SCHEDULE *ks, int enc);
128void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len,
129                      const SEED_KEY_SCHEDULE *ks,
130                      unsigned char ivec[SEED_BLOCK_SIZE], int enc);
131void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,
132                         size_t len, const SEED_KEY_SCHEDULE *ks,
133                         unsigned char ivec[SEED_BLOCK_SIZE], int *num,
134                         int enc);
135void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,
136                         size_t len, const SEED_KEY_SCHEDULE *ks,
137                         unsigned char ivec[SEED_BLOCK_SIZE], int *num);
138
139#ifdef  __cplusplus
140}
141#endif
142
143#endif                          /* HEADER_SEED_H */
144