Ejemplos de EC_KEY_print_fp en C++ (Cpp)

Ejemplo n.º 1

Archivo: main.c Proyecto: Desuneko/atheme

int main(int argc, const char **argv)
{
	EC_KEY *pub;
	char workbuf[BUFSIZE];
	const unsigned char *workbuf_p;
	size_t len, i;

	if (argv[1] == NULL)
	{
		fprintf(stderr, "usage: %s [base64key]\n", argv[0]);
		return EXIT_FAILURE;
	}

	memset(workbuf, '\0', sizeof workbuf);

	pub = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
	EC_KEY_set_conv_form(pub, POINT_CONVERSION_COMPRESSED);

	len = base64_decode(argv[1], workbuf, BUFSIZE);
	workbuf_p = (unsigned char *) workbuf;

	o2i_ECPublicKey(&pub, &workbuf_p, len);
	if (!EC_KEY_check_key(pub))
	{
		fprintf(stderr, "Key data provided on commandline is inconsistent.\n");
		return EXIT_FAILURE;
	}

	printf("Public key (reassembled):\n");
	EC_KEY_print_fp(stdout, pub, 4);

	return EXIT_SUCCESS;
}

Ejemplo n.º 2

Archivo: main.c Proyecto: aszrul/atheme

int
main(int argc, const char **argv)
{
	if (! libathemecore_early_init())
		return EXIT_FAILURE;

	BIO *out;
	EC_KEY *prv;
	unsigned char *workbuf, *workbuf_p;
	char encbuf[BUFSIZE];
	size_t len;

	memset(encbuf, '\0', sizeof encbuf);

	prv = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);

	EC_KEY_set_conv_form(prv, POINT_CONVERSION_COMPRESSED);
	EC_KEY_generate_key(prv);

	len = i2o_ECPublicKey(prv, NULL);
	workbuf = mowgli_alloc(len);
	workbuf_p = workbuf;
	i2o_ECPublicKey(prv, &workbuf_p);
	workbuf_p = workbuf;

	if (base64_encode(workbuf_p, len, encbuf, sizeof encbuf) == (size_t) -1)
	{
		fprintf(stderr, "Failed to encode public key!\n");
		return EXIT_FAILURE;
	}

	printf("Keypair:\n");
	EC_KEY_print_fp(stdout, prv, 4);

	printf("Private key:\n");
	out = BIO_new_fp(stdout, 0);
	PEM_write_bio_ECPrivateKey(out, prv, NULL, NULL, 0, NULL, NULL);

	printf("Public key (atheme format):\n");
	printf("%s\n", encbuf);

	return EXIT_SUCCESS;
}