2 * Copyright (c) 2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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42 #define DH_null_method hc_DH_null_method
43 #define DH_tfm_method hc_DH_tfm_method
44 #define DH_ltm_method hc_DH_ltm_method
45 #define DH_new hc_DH_new
46 #define DH_new_method hc_DH_new_method
47 #define DH_free hc_DH_free
48 #define DH_up_ref hc_DH_up_ref
49 #define DH_size hc_DH_size
50 #define DH_set_default_method hc_DH_set_default_method
51 #define DH_get_default_method hc_DH_get_default_method
52 #define DH_set_method hc_DH_set_method
53 #define DH_get_method hc_DH_get_method
54 #define DH_set_ex_data hc_DH_set_ex_data
55 #define DH_get_ex_data hc_DH_get_ex_data
56 #define DH_generate_parameters_ex hc_DH_generate_parameters_ex
57 #define DH_check_pubkey hc_DH_check_pubkey
58 #define DH_generate_key hc_DH_generate_key
59 #define DH_compute_key hc_DH_compute_key
60 #define i2d_DHparams hc_i2d_DHparams
67 typedef struct DH_METHOD DH_METHOD
;
69 #include <hcrypto/bn.h>
70 #include <hcrypto/engine.h>
74 int (*generate_key
)(DH
*);
75 int (*compute_key
)(unsigned char *,const BIGNUM
*,DH
*);
76 int (*bn_mod_exp
)(const DH
*, BIGNUM
*, const BIGNUM
*,
77 const BIGNUM
*, const BIGNUM
*, BN_CTX
*,
83 int (*generate_params
)(DH
*, int, int, BN_GENCB
*);
102 struct CRYPTO_EX_DATA
{
106 const DH_METHOD
*meth
;
110 /* DH_check_pubkey return codes in `codes' argument. */
111 #define DH_CHECK_PUBKEY_TOO_SMALL 1
112 #define DH_CHECK_PUBKEY_TOO_LARGE 2
118 const DH_METHOD
*DH_null_method(void);
119 const DH_METHOD
*DH_tfm_method(void);
120 const DH_METHOD
*DH_ltm_method(void);
123 DH
* DH_new_method(ENGINE
*);
127 int DH_size(const DH
*);
130 void DH_set_default_method(const DH_METHOD
*);
132 DH_get_default_method(void);
133 int DH_set_method(DH
*, const DH_METHOD
*);
135 int DH_set_ex_data(DH
*, int, void *);
136 void * DH_get_ex_data(DH
*, int);
138 int DH_generate_parameters_ex(DH
*, int, int, BN_GENCB
*);
139 int DH_check_pubkey(const DH
*, const BIGNUM
*, int *);
140 int DH_generate_key(DH
*);
141 int DH_compute_key(unsigned char *,const BIGNUM
*,DH
*);
143 int i2d_DHparams(DH
*, unsigned char **);
145 #endif /* _HEIM_DH_H */