C++ (Cpp) d2i_DSA_PUBKEY Beispiele

Beispiel #1

Datei: openssh.c Projekt: cran/openssl

SEXP R_dsa_pubkey_decompose(SEXP bin){
  DSA *dsa = DSA_new();
  const unsigned char *ptr = RAW(bin);
  bail(!!d2i_DSA_PUBKEY(&dsa, &ptr, LENGTH(bin)));
  const BIGNUM *p, *q, *g, *pub_key;
  MY_DSA_get0_pqg(dsa, &p, &q, &g);
  MY_DSA_get0_key(dsa, &pub_key, NULL);
  SEXP res = PROTECT(allocVector(VECSXP, 4));
  SET_VECTOR_ELT(res, 0, bignum_to_r(p));
  SET_VECTOR_ELT(res, 1, bignum_to_r(q));
  SET_VECTOR_ELT(res, 2, bignum_to_r(g));
  SET_VECTOR_ELT(res, 3, bignum_to_r(pub_key));
  UNPROTECT(1);
  return res;
}

Beispiel #2

Datei: pki.c Projekt: open-iscsi/open-isns

EVP_PKEY *
isns_dsa_decode_public(const void *ptr, size_t len)
{
	const unsigned char *der = ptr;
	EVP_PKEY *evp;
	DSA	*dsa;

	/* Assigning ptr to a temporary variable avoids a silly
	 * compiled warning about type-punning. */
	dsa = d2i_DSA_PUBKEY(NULL, &der, len);
	if (dsa == NULL)
		return NULL;

	evp = EVP_PKEY_new();
	EVP_PKEY_assign_DSA(evp, dsa);
	return evp;
}