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seed.h
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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  *
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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  *
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50  *
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52  * nor may "OpenSSL" appear in their names without prior written
53  * permission of the OpenSSL Project.
54  *
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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  * ([email protected]). This product includes software written by Tim
76  * Hudson ([email protected]).
77  *
78  */
79 
80 
81 #ifndef HEADER_SEED_H
82 #define HEADER_SEED_H
83 
84 #include <openssl/opensslconf.h>
85 #include <openssl/e_os2.h>
86 #include <openssl/crypto.h>
87 
88 #ifdef OPENSSL_NO_SEED
89 #error SEED is disabled.
90 #endif
91 
92 #ifdef AES_LONG /* look whether we need 'long' to get 32 bits */
93 # ifndef SEED_LONG
94 # define SEED_LONG 1
95 # endif
96 #endif
97 
98 #if !defined(NO_SYS_TYPES_H)
99 # include <sys/types.h>
100 #endif
101 
102 #define SEED_BLOCK_SIZE 16
103 #define SEED_KEY_LENGTH 16
104 
105 
106 #ifdef __cplusplus
107 extern "C" {
108 #endif
109 
110 
111 typedef struct seed_key_st {
112 #ifdef SEED_LONG
113  unsigned long data[32];
114 #else
115  unsigned int data[32];
116 #endif
118 
119 #ifdef OPENSSL_FIPS
120 void private_SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH], SEED_KEY_SCHEDULE *ks);
121 #endif
122 void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH], SEED_KEY_SCHEDULE *ks);
123 
124 void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE], unsigned char d[SEED_BLOCK_SIZE], const SEED_KEY_SCHEDULE *ks);
125 void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE], unsigned char d[SEED_BLOCK_SIZE], const SEED_KEY_SCHEDULE *ks);
126 
127 void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out, const SEED_KEY_SCHEDULE *ks, int enc);
128 void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out,
129  size_t len, const SEED_KEY_SCHEDULE *ks, unsigned char ivec[SEED_BLOCK_SIZE], int enc);
130 void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,
131  size_t len, const SEED_KEY_SCHEDULE *ks, unsigned char ivec[SEED_BLOCK_SIZE], int *num, int enc);
132 void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,
133  size_t len, const SEED_KEY_SCHEDULE *ks, unsigned char ivec[SEED_BLOCK_SIZE], int *num);
134 
135 #ifdef __cplusplus
136 }
137 #endif
138 
139 #endif /* HEADER_SEED_H */