#endif
#include <openssl/bn.h>
+#include <openssl/crypto.h>
#ifndef NO_DH
# include <openssl/dh.h>
#endif
#define DSA_FLAG_CACHE_MONT_P 0x01
-typedef struct dsa_st
+typedef struct dsa_st DSA;
+
+typedef struct DSA_SIG_st
+ {
+ BIGNUM *r;
+ BIGNUM *s;
+ } DSA_SIG;
+
+typedef struct dsa_method {
+ const char *name;
+ DSA_SIG * (*dsa_do_sign)(const unsigned char *dgst, int dlen, DSA *dsa);
+ int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
+ BIGNUM **rp);
+ int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len,
+ DSA_SIG *sig, DSA *dsa);
+ int (*dsa_mod_exp)(DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1,
+ BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *in_mont);
+ int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx); /* Can be null */
+ int (*init)(DSA *dsa);
+ int (*finish)(DSA *dsa);
+ int flags;
+ char *app_data;
+} DSA_METHOD;
+
+struct dsa_st
{
/* This first variable is used to pick up errors where
* a DSA is passed instead of of a EVP_PKEY */
int flags;
/* Normally used to cache montgomery values */
char *method_mont_p;
-
int references;
- } DSA;
-
-typedef struct DSA_SIG_st
- {
- BIGNUM *r;
- BIGNUM *s;
- } DSA_SIG;
+ CRYPTO_EX_DATA ex_data;
+ DSA_METHOD *meth;
+ };
#define DSAparams_dup(x) (DSA *)ASN1_dup((int (*)())i2d_DSAparams, \
(char *(*)())d2i_DSAparams,(char *)(x))
int DSA_do_verify(const unsigned char *dgst,int dgst_len,
DSA_SIG *sig,DSA *dsa);
+DSA_METHOD *DSA_OpenSSL(void);
+
DSA * DSA_new(void);
+DSA * DSA_new_method(DSA_METHOD *meth);
int DSA_size(DSA *);
/* next 4 return -1 on error */
int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp);
int DSA_verify(int type,const unsigned char *dgst,int dgst_len,
unsigned char *sigbuf, int siglen, DSA *dsa);
void DSA_free (DSA *r);
+int DSA_get_ex_new_index(long argl, char *argp, int (*new_func)(),
+ int (*dup_func)(), void (*free_func)());
+int DSA_set_ex_data(DSA *d, int idx, char *arg);
+char *DSA_get_ex_data(DSA *d, int idx);
void ERR_load_DSA_strings(void );