summaryrefslogtreecommitdiff
path: root/source4/heimdal/lib/hcrypto/rsa.h
blob: 575774dbde8d8ec5b7e8dab50c0eeda1d273b8b8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
 * Copyright (c) 2006 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden). 
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 *
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 *
 * 3. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 */

/*
 * $Id: rsa.h 19734 2007-01-05 20:26:23Z lha $
 */

#ifndef _HEIM_RSA_H
#define _HEIM_RSA_H 1

/* symbol renaming */
#define RSA_null_method hc_RSA_null_method
#define RSA_imath_method hc_RSA_imath_method
#define RSA_new hc_RSA_new
#define RSA_new_method hc_RSA_new_method
#define RSA_free hc_RSA_free
#define RSA_up_ref hc_RSA_up_ref
#define RSA_set_default_method hc_RSA_set_default_method
#define RSA_get_default_method hc_RSA_get_default_method
#define RSA_set_method hc_RSA_set_method
#define RSA_get_method hc_RSA_get_method
#define RSA_set_app_data hc_RSA_set_app_data
#define RSA_get_app_data hc_RSA_get_app_data
#define RSA_check_key hc_RSA_check_key
#define RSA_size hc_RSA_size
#define RSA_public_encrypt hc_RSA_public_encrypt
#define RSA_public_decrypt hc_RSA_public_decrypt
#define RSA_private_encrypt hc_RSA_private_encrypt
#define RSA_private_decrypt hc_RSA_private_decrypt
#define RSA_sign hc_RSA_sign
#define RSA_verify hc_RSA_verify
#define RSA_generate_key_ex hc_RSA_generate_key_ex
#define d2i_RSAPrivateKey hc_d2i_RSAPrivateKey
#define i2d_RSAPrivateKey hc_i2d_RSAPrivateKey
#define i2d_RSAPublicKey hc_i2d_RSAPublicKey

/*
 *
 */

typedef struct RSA RSA;
typedef struct RSA_METHOD RSA_METHOD;

#include <hcrypto/bn.h>
#include <hcrypto/engine.h>

struct RSA_METHOD {
    const char *name;
    int (*rsa_pub_enc)(int,const unsigned char *, unsigned char *, RSA *,int);
    int (*rsa_pub_dec)(int,const unsigned char *, unsigned char *, RSA *,int);
    int (*rsa_priv_enc)(int,const unsigned char *, unsigned char *, RSA *,int);
    int (*rsa_priv_dec)(int,const unsigned char *, unsigned char *, RSA *,int);
    void *rsa_mod_exp;
    void *bn_mod_exp;
    int (*init)(RSA *rsa);
    int (*finish)(RSA *rsa);
    int flags;
    char *app_data;
    int (*rsa_sign)(int, const unsigned char *, unsigned int,
		    unsigned char *, unsigned int *, const RSA *);
    int (*rsa_verify)(int, const unsigned char *, unsigned int,
		      unsigned char *, unsigned int, const RSA *);
    int (*rsa_keygen)(RSA *, int, BIGNUM *, BN_GENCB *);
};

struct RSA {
    int pad;
    long version;
    const RSA_METHOD *meth;
    void *engine;
    BIGNUM *n;
    BIGNUM *e;
    BIGNUM *d;
    BIGNUM *p;
    BIGNUM *q;
    BIGNUM *dmp1;
    BIGNUM *dmq1;
    BIGNUM *iqmp;
    struct rsa_CRYPTO_EX_DATA {
	void *sk;
	int dummy;
    } ex_data;
    int references;
    int flags;
    void *_method_mod_n;
    void *_method_mod_p;
    void *_method_mod_q;

    char *bignum_data;
    void *blinding;
    void *mt_blinding;
};

#define RSA_FLAG_NO_BLINDING		0x0080

#define RSA_PKCS1_PADDING		1
#define RSA_PKCS1_OAEP_PADDING		4
#define RSA_PKCS1_PADDING_SIZE		11

/*
 *
 */

const RSA_METHOD *RSA_null_method(void);
const RSA_METHOD *RSA_imath_method(void);

/*
 *
 */

RSA *	RSA_new(void);
RSA *	RSA_new_method(ENGINE *);
void	RSA_free(RSA *);
int	RSA_up_ref(RSA *);

void	RSA_set_default_method(const RSA_METHOD *);
const RSA_METHOD * RSA_get_default_method(void);

const RSA_METHOD * RSA_get_method(const RSA *);
int RSA_set_method(RSA *, const RSA_METHOD *);

int	RSA_set_app_data(RSA *, void *arg);
void *	RSA_get_app_data(RSA *);

int	RSA_check_key(const RSA *);
int	RSA_size(const RSA *);

int	RSA_public_encrypt(int,const unsigned char*,unsigned char*,RSA *,int);
int	RSA_private_encrypt(int,const unsigned char*,unsigned char*,RSA *,int);
int	RSA_public_decrypt(int,const unsigned char*,unsigned char*,RSA *,int);
int	RSA_private_decrypt(int,const unsigned char*,unsigned char*,RSA *,int);

int RSA_sign(int, const unsigned char *, unsigned int,
	     unsigned char *, unsigned int *, RSA *);
int RSA_verify(int, const unsigned char *, unsigned int,
	       unsigned char *, unsigned int, RSA *);

int	RSA_generate_key_ex(RSA *, int, BIGNUM *, BN_GENCB *);

RSA *	d2i_RSAPrivateKey(RSA *, const unsigned char **, size_t);
int	i2d_RSAPrivateKey(RSA *, unsigned char **);

int	i2d_RSAPublicKey(RSA *, unsigned char **);

#endif /* _HEIM_RSA_H */