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authorryker <>1998-10-05 20:13:14 +0000
committerryker <>1998-10-05 20:13:14 +0000
commitaeeae06a79815dc190061534d47236cec09f9e32 (patch)
tree851692b9c2f9c04f077666855641900f19fdb217 /src/lib/libcrypto/dh/dh.h
parenta4f79641824cbf9f60ca9d1168d1fcc46717a82a (diff)
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Import of SSLeay-0.9.0b with RSA and IDEA stubbed + OpenBSD build
functionality for shared libs. Note that routines such as sslv2_init and friends that use RSA will not work due to lack of RSA in this library. Needs documentation and help from ports for easy upgrade to full functionality where legally possible.
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1/* crypto/dh/dh.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_DH_H
60#define HEADER_DH_H
61
62#ifdef __cplusplus
63extern "C" {
64#endif
65
66#ifndef HEADER_BN_H
67#define BIGNUM char
68#endif
69
70typedef struct dh_st
71 {
72 /* This first argument is used to pick up errors when
73 * a DH is passed instead of a EVP_PKEY */
74 int pad;
75 int version;
76 BIGNUM *p;
77 BIGNUM *g;
78 int length; /* optional */
79 BIGNUM *pub_key; /* y */
80 BIGNUM *priv_key; /* x */
81 } DH;
82
83#define DH_GENERATOR_2 2
84/* #define DH_GENERATOR_3 3 */
85#define DH_GENERATOR_5 5
86
87/* DH_check error codes */
88#define DH_CHECK_P_NOT_PRIME 0x01
89#define DH_CHECK_P_NOT_STRONG_PRIME 0x02
90#define DH_UNABLE_TO_CHECK_GENERATOR 0x04
91#define DH_NOT_SUITABLE_GENERATOR 0x08
92
93#define DHparams_dup(x) (DH *)ASN1_dup((int (*)())i2d_DHparams, \
94 (char *(*)())d2i_DHparams,(char *)(x))
95#define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \
96 (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x))
97#define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \
98 (unsigned char *)(x))
99#define d2i_DHparams_bio(bp,x) (DH *)ASN1_d2i_bio((char *(*)())DH_new, \
100 (char *(*)())d2i_DHparams,(bp),(unsigned char **)(x))
101#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio(i2d_DHparams,(bp), \
102 (unsigned char *)(x))
103
104#ifndef NOPROTO
105DH * DH_new(void);
106void DH_free(DH *dh);
107int DH_size(DH *dh);
108DH * DH_generate_parameters(int prime_len,int generator,
109 void (*callback)(int,int,char *),char *cb_arg);
110int DH_check(DH *dh,int *codes);
111int DH_generate_key(DH *dh);
112int DH_compute_key(unsigned char *key,BIGNUM *pub_key,DH *dh);
113DH * d2i_DHparams(DH **a,unsigned char **pp, long length);
114int i2d_DHparams(DH *a,unsigned char **pp);
115#ifndef NO_FP_API
116int DHparams_print_fp(FILE *fp, DH *x);
117#endif
118#ifdef HEADER_BIO_H
119int DHparams_print(BIO *bp, DH *x);
120#else
121int DHparams_print(char *bp, DH *x);
122#endif
123void ERR_load_DH_strings(void );
124
125#else
126
127DH * DH_new();
128void DH_free();
129int DH_size();
130DH * DH_generate_parameters();
131int DH_check();
132int DH_generate_key();
133int DH_compute_key();
134DH * d2i_DHparams();
135int i2d_DHparams();
136#ifndef NO_FP_API
137int DHparams_print_fp();
138#endif
139int DHparams_print();
140void ERR_load_DH_strings();
141
142#endif
143
144/* BEGIN ERROR CODES */
145/* Error codes for the DH functions. */
146
147/* Function codes. */
148#define DH_F_DHPARAMS_PRINT 100
149#define DH_F_DHPARAMS_PRINT_FP 101
150#define DH_F_DH_COMPUTE_KEY 102
151#define DH_F_DH_GENERATE_KEY 103
152#define DH_F_DH_GENERATE_PARAMETERS 104
153#define DH_F_DH_NEW 105
154
155/* Reason codes. */
156#define DH_R_NO_PRIVATE_VALUE 100
157
158#ifdef __cplusplus
159}
160#endif
161#endif
162