/* crypto/dh/dh.h */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
extern "C" {
#endif
-#ifndef HEADER_BN_H
-#define BIGNUM char
+#ifdef NO_DH
+#error DH is disabled.
#endif
-typedef struct dh_st
+#include <openssl/bn.h>
+#include <openssl/crypto.h>
+
+#define DH_FLAG_CACHE_MONT_P 0x01
+
+typedef struct dh_st DH;
+
+typedef struct dh_method {
+ const char *name;
+ /* Methods here */
+ int (*generate_key)(DH *dh);
+ int (*compute_key)(unsigned char *key,BIGNUM *pub_key,DH *dh);
+ int (*bn_mod_exp)(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx); /* Can be null */
+
+ int (*init)(DH *dh);
+ int (*finish)(DH *dh);
+ int flags;
+ char *app_data;
+} DH_METHOD;
+
+struct dh_st
{
/* This first argument is used to pick up errors when
* a DH is passed instead of a EVP_PKEY */
int length; /* optional */
BIGNUM *pub_key; /* y */
BIGNUM *priv_key; /* x */
- } DH;
+
+ int flags;
+ char *method_mont_p;
+ /* Place holders if we want to do X9.42 DH */
+ BIGNUM *q;
+ BIGNUM *j;
+ unsigned *seed;
+ int seedlen;
+ BIGNUM *counter;
+
+ int references;
+ CRYPTO_EX_DATA ex_data;
+ DH_METHOD *meth;
+ };
#define DH_GENERATOR_2 2
/* #define DH_GENERATOR_3 3 */
(unsigned char *)(x))
#define d2i_DHparams_bio(bp,x) (DH *)ASN1_d2i_bio((char *(*)())DH_new, \
(char *(*)())d2i_DHparams,(bp),(unsigned char **)(x))
+#ifdef __cplusplus
+#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio((int (*)())i2d_DHparams,(bp), \
+ (unsigned char *)(x))
+#else
#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio(i2d_DHparams,(bp), \
(unsigned char *)(x))
+#endif
+
+DH_METHOD *DH_OpenSSL(void);
+
+void DH_set_default_method(DH_METHOD *meth);
+DH_METHOD *DH_get_default_method(void);
+DH_METHOD *DH_set_method(DH *dh, DH_METHOD *meth);
+DH *DH_new_method(DH_METHOD *meth);
-#ifndef NOPROTO
DH * DH_new(void);
void DH_free(DH *dh);
int DH_size(DH *dh);
+int DH_get_ex_new_index(long argl, char *argp, int (*new_func)(),
+ int (*dup_func)(), void (*free_func)());
+int DH_set_ex_data(DH *d, int idx, char *arg);
+char *DH_get_ex_data(DH *d, int idx);
DH * DH_generate_parameters(int prime_len,int generator,
- void (*callback)(int,int));
+ void (*callback)(int,int,void *),void *cb_arg);
int DH_check(DH *dh,int *codes);
int DH_generate_key(DH *dh);
int DH_compute_key(unsigned char *key,BIGNUM *pub_key,DH *dh);
DH * d2i_DHparams(DH **a,unsigned char **pp, long length);
int i2d_DHparams(DH *a,unsigned char **pp);
-#ifndef WIN16
+#ifndef NO_FP_API
int DHparams_print_fp(FILE *fp, DH *x);
#endif
#ifdef HEADER_BIO_H
#endif
void ERR_load_DH_strings(void );
-#else
-
-DH * DH_new();
-void DH_free();
-int DH_size();
-DH * DH_generate_parameters();
-int DH_check();
-int DH_generate_key();
-int DH_compute_key();
-DH * d2i_DHparams();
-int i2d_DHparams();
-#ifndef WIN16
-int DHparams_print_fp();
-#endif
-int DHparams_print();
-void ERR_load_DH_strings();
-
-#endif
-
/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+
/* Error codes for the DH functions. */
/* Function codes. */
/* Reason codes. */
#define DH_R_NO_PRIVATE_VALUE 100
-
+
#ifdef __cplusplus
}
#endif