#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/dh.h>
+#include <openssl/engine.h>
static int generate_key(DH *dh);
-static int compute_key(unsigned char *key, BIGNUM *pub_key, DH *dh);
-static int dh_bn_mod_exp(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh);
+static int dh_bn_mod_exp(const DH *dh, BIGNUM *r,
+ const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx);
static int dh_init(DH *dh);
int DH_generate_key(DH *dh)
{
- return dh->meth->generate_key(dh);
+ return ENGINE_get_DH(dh->engine)->generate_key(dh);
}
-int DH_compute_key(unsigned char *key, BIGNUM *pub_key, DH *dh)
+int DH_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
{
- return dh->meth->compute_key(key, pub_key, dh);
+ return ENGINE_get_DH(dh->engine)->compute_key(key, pub_key, dh);
}
static DH_METHOD dh_ossl = {
NULL
};
-DH_METHOD *DH_OpenSSL(void)
+const DH_METHOD *DH_OpenSSL(void)
{
return &dh_ossl;
}
}
mont=(BN_MONT_CTX *)dh->method_mont_p;
- if (!dh->meth->bn_mod_exp(dh, pub_key,dh->g,priv_key,dh->p,&ctx,mont))
- goto err;
+ if (!ENGINE_get_DH(dh->engine)->bn_mod_exp(dh, pub_key, dh->g,
+ priv_key,dh->p,&ctx,mont))
+ goto err;
dh->pub_key=pub_key;
dh->priv_key=priv_key;
return(ok);
}
-static int compute_key(unsigned char *key, BIGNUM *pub_key, DH *dh)
+static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
{
BN_CTX ctx;
BN_MONT_CTX *mont;
}
mont=(BN_MONT_CTX *)dh->method_mont_p;
- if (!dh->meth->bn_mod_exp(dh, tmp,pub_key,dh->priv_key,dh->p,&ctx,mont))
+ if (!ENGINE_get_DH(dh->engine)->bn_mod_exp(dh, tmp, pub_key,
+ dh->priv_key,dh->p,&ctx,mont))
{
DHerr(DH_F_DH_COMPUTE_KEY,ERR_R_BN_LIB);
goto err;
return(ret);
}
-static int dh_bn_mod_exp(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+static int dh_bn_mod_exp(const DH *dh, BIGNUM *r,
+ const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx)
{