crypto/dsa/dsa_ameth.c

63 #include <openssl/dsa.h>
80     DSA *dsa = NULL;
91         if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) {
97         if (!(dsa = DSA_new())) {
111     if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) {
117     EVP_PKEY_assign_DSA(pkey, dsa);
123     if (dsa)
124         DSA_free(dsa);
131     DSA *dsa;
137     dsa = pkey->pkey.dsa;
138     if (pkey->save_parameters && dsa->p && dsa->q && dsa->g) {
144         str->length = i2d_DSAparams(dsa, &str->data);
153     dsa->write_params = 0;
155     penclen = i2d_DSAPublicKey(dsa, &penc);
192     DSA *dsa = NULL;
244     if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen)))
247     if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
252     if (!(dsa->pub_key = BN_new())) {
261     if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) {
266     EVP_PKEY_assign_DSA(pkey, dsa);
274     DSA_free(dsa);
291     if (!pkey->pkey.dsa || !pkey->pkey.dsa->priv_key) {
303     params->length = i2d_DSAparams(pkey->pkey.dsa, &params->data);
311     prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL);
341     return (DSA_size(pkey->pkey.dsa));
346     return BN_num_bits(pkey->pkey.dsa->p);
351     DSA *dsa;
352     dsa = pkey->pkey.dsa;
353     if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))
362     if ((a = BN_dup(from->pkey.dsa->p)) == NULL)
364     if (to->pkey.dsa->p != NULL)
365         BN_free(to->pkey.dsa->p);
366     to->pkey.dsa->p = a;
368     if ((a = BN_dup(from->pkey.dsa->q)) == NULL)
370     if (to->pkey.dsa->q != NULL)
371         BN_free(to->pkey.dsa->q);
372     to->pkey.dsa->q = a;
374     if ((a = BN_dup(from->pkey.dsa->g)) == NULL)
376     if (to->pkey.dsa->g != NULL)
377         BN_free(to->pkey.dsa->g);
378     to->pkey.dsa->g = a;
384     if (BN_cmp(a->pkey.dsa->p, b->pkey.dsa->p) ||
385         BN_cmp(a->pkey.dsa->q, b->pkey.dsa->q) ||
386         BN_cmp(a->pkey.dsa->g, b->pkey.dsa->g))
394     if (BN_cmp(b->pkey.dsa->pub_key, a->pkey.dsa->pub_key) != 0)
402     DSA_free(pkey->pkey.dsa);
480     DSA *dsa;
481     if (!(dsa = d2i_DSAparams(NULL, pder, derlen))) {
485     EVP_PKEY_assign_DSA(pkey, dsa);
491     return i2d_DSAparams(pkey->pkey.dsa, pder);
497     return do_dsa_print(bp, pkey->pkey.dsa, indent, 0);
503     return do_dsa_print(bp, pkey->pkey.dsa, indent, 1);
509     return do_dsa_print(bp, pkey->pkey.dsa, indent, 2);
515     DSA *dsa;
516     if (!(dsa = d2i_DSAPrivateKey(NULL, pder, derlen))) {
520     EVP_PKEY_assign_DSA(pkey, dsa);
526     return i2d_DSAPrivateKey(pkey->pkey.dsa, pder);