#include "dh_locl.h"
#include <openssl/engine.h>
-static const DH_METHOD *default_DH_method = NULL;
-
-void DH_set_default_method(const DH_METHOD *meth)
-{
- default_DH_method = meth;
-}
-
-const DH_METHOD *DH_get_default_method(void)
-{
- if (!default_DH_method)
- default_DH_method = DH_OpenSSL();
- return default_DH_method;
-}
-
int DH_set_method(DH *dh, const DH_METHOD *meth)
{
/*
if (r == NULL)
return;
- CRYPTO_atomic_add(&r->references, -1, &i, r->lock);
+ CRYPTO_DOWN_REF(&r->references, &i, r->lock);
REF_PRINT_COUNT("DH", r);
if (i > 0)
return;
{
int i;
- if (CRYPTO_atomic_add(&r->references, 1, &i, r->lock) <= 0)
+ if (CRYPTO_UP_REF(&r->references, &i, r->lock) <= 0)
return 0;
REF_PRINT_COUNT("DH", r);
}
-void DH_get0_pqg(const DH *dh, BIGNUM **p, BIGNUM **q, BIGNUM **g)
+void DH_get0_pqg(const DH *dh,
+ const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
{
if (p != NULL)
*p = dh->p;
{
/* If the fields p and g in d are NULL, the corresponding input
* parameters MUST be non-NULL. q may remain NULL.
- *
- * It is an error to give the results from get0 on d
- * as input parameters.
*/
- if (p == dh->p || (dh->q != NULL && q == dh->q) || g == dh->g)
+ if ((dh->p == NULL && p == NULL)
+ || (dh->g == NULL && g == NULL))
return 0;
if (p != NULL) {
return 1;
}
-void DH_get0_key(const DH *dh, BIGNUM **pub_key, BIGNUM **priv_key)
+void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
{
if (pub_key != NULL)
*pub_key = dh->pub_key;
int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
{
- /* If the pub_key in dh is NULL, the corresponding input
+ /* If the field pub_key in dh is NULL, the corresponding input
* parameters MUST be non-NULL. The priv_key field may
* be left NULL.
- *
- * It is an error to give the results from get0 on dh
- * as input parameters.
*/
- if (dh->pub_key == pub_key
- || (dh->priv_key != NULL && priv_key == dh->priv_key))
+ if (dh->pub_key == NULL && pub_key == NULL)
return 0;
if (pub_key != NULL) {