Ejemplos de DSA_set_method en C++ (Cpp)

Ejemplo n.º 1

Archivo: OSSLDSAPublicKey.cpp Proyecto: fxdupont/SoftHSMv2

// Create the OpenSSL representation of the key
void OSSLDSAPublicKey::createOSSLKey()
{
	if (dsa != NULL) return;

	dsa = DSA_new();
	if (dsa == NULL)
	{
		ERROR_MSG("Could not create DSA object");
		return;
	}

	// Use the OpenSSL implementation and not any engine
#if OPENSSL_VERSION_NUMBER < 0x10100000L

#ifdef WITH_FIPS
	if (FIPS_mode())
		DSA_set_method(dsa, FIPS_dsa_openssl());
	else
		DSA_set_method(dsa, DSA_OpenSSL());
#else
	DSA_set_method(dsa, DSA_OpenSSL());
#endif

#else
	DSA_set_method(dsa, DSA_OpenSSL());
#endif

	BIGNUM* bn_p = OSSL::byteString2bn(p);
	BIGNUM* bn_q = OSSL::byteString2bn(q);
	BIGNUM* bn_g = OSSL::byteString2bn(g);
	BIGNUM* bn_pub_key = OSSL::byteString2bn(y);

	DSA_set0_pqg(dsa, bn_p, bn_q, bn_g);
	DSA_set0_key(dsa, bn_pub_key, NULL);
}

Ejemplo n.º 2

Archivo: OSSLDSA.cpp Proyecto: bluelikeme/SoftHSMv2

// Key factory
bool OSSLDSA::generateKeyPair(AsymmetricKeyPair** ppKeyPair, AsymmetricParameters* parameters, RNG* /*rng = NULL */)
{
	// Check parameters
	if ((ppKeyPair == NULL) ||
	    (parameters == NULL))
	{
		return false;
	}

	if (!parameters->areOfType(DSAParameters::type))
	{
		ERROR_MSG("Invalid parameters supplied for DSA key generation");

		return false;
	}

	DSAParameters* params = (DSAParameters*) parameters;

	// Generate the key-pair
	DSA* dsa = DSA_new();

	if (dsa == NULL)
	{
		ERROR_MSG("Failed to instantiate OpenSSL DSA object");

		return false;
	}

	// Use the OpenSSL implementation and not any engine
	DSA_set_method(dsa, DSA_get_default_method());

	dsa->p = OSSL::byteString2bn(params->getP());
	dsa->q = OSSL::byteString2bn(params->getQ());
	dsa->g = OSSL::byteString2bn(params->getG());

	if (DSA_generate_key(dsa) != 1)
	{
		ERROR_MSG("DSA key generation failed (0x%08X)", ERR_get_error());

		DSA_free(dsa);

		return false;
	}

	// Create an asymmetric key-pair object to return
	OSSLDSAKeyPair* kp = new OSSLDSAKeyPair();

	((OSSLDSAPublicKey*) kp->getPublicKey())->setFromOSSL(dsa);
	((OSSLDSAPrivateKey*) kp->getPrivateKey())->setFromOSSL(dsa);

	*ppKeyPair = kp;

	// Release the key
	DSA_free(dsa);

	return true;
}

Ejemplo n.º 3

Archivo: pkcs11h-openssl.c Proyecto: zedinosaur/pkcs11-helper

static
PKCS11H_BOOL
__pkcs11h_openssl_session_setDSA(
	IN const pkcs11h_openssl_session_t openssl_session,
	IN EVP_PKEY * evp
) {
	PKCS11H_BOOL ret = FALSE;
	DSA *dsa = NULL;

	_PKCS11H_DEBUG (
		PKCS11H_LOG_DEBUG2,
		"PKCS#11: __pkcs11h_openssl_session_setDSA - entered openssl_session=%p, evp=%p",
		(void *)openssl_session,
		(void *)evp
	);

	if (
		(dsa = EVP_PKEY_get1_DSA (evp)) == NULL
	) {
		_PKCS11H_LOG (PKCS11H_LOG_WARN, "PKCS#11: Cannot get DSA key");
		goto cleanup;
	}

	DSA_set_method (dsa, __openssl_methods.dsa);
	DSA_set_ex_data (dsa, __openssl_methods.dsa_index, openssl_session);

	ret = TRUE;

cleanup:

	if (dsa != NULL) {
		DSA_free (dsa);
		dsa = NULL;
	}

	_PKCS11H_DEBUG (
		PKCS11H_LOG_DEBUG2,
		"PKCS#11: __pkcs11h_openssl_session_setDSA - return ret=%d",
		ret
	);

	return ret;
}