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xs/sc_ssl/openssl/source/crypto/ecdh/ecdhtest.c  view on Meta::CPAN

		}
	else
		{
		if (!EC_POINT_get_affine_coordinates_GF2m(group, 
			EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err;
		}

#ifdef NOISY
	BIO_puts(out,"  pri 2=");
	BN_print(out,b->priv_key);
	BIO_puts(out,"\n  pub 2=");
	BN_print(out,x_b);
	BIO_puts(out,",");
	BN_print(out,y_b);
	BIO_puts(out,"\n");
#else
	BIO_printf(out,".");
	(void)BIO_flush(out);
#endif

	alen=KDF1_SHA1_len;
	abuf=(unsigned char *)OPENSSL_malloc(alen);
	aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1);

#ifdef NOISY
	BIO_puts(out,"  key1 =");
	for (i=0; i<aout; i++)
		{
		sprintf(buf,"%02X",abuf[i]);
		BIO_puts(out,buf);
		}
	BIO_puts(out,"\n");
#else
	BIO_printf(out,".");
	(void)BIO_flush(out);
#endif

	blen=KDF1_SHA1_len;
	bbuf=(unsigned char *)OPENSSL_malloc(blen);
	bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1);

#ifdef NOISY
	BIO_puts(out,"  key2 =");
	for (i=0; i<bout; i++)
		{
		sprintf(buf,"%02X",bbuf[i]);
		BIO_puts(out,buf);
		}
	BIO_puts(out,"\n");
#else
	BIO_printf(out,".");
	(void)BIO_flush(out);
#endif

	if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
		{
#ifndef NOISY
		BIO_printf(out, " failed\n\n");
		BIO_printf(out, "key a:\n");
		BIO_printf(out, "private key: ");
		BN_print(out, EC_KEY_get0_private_key(a));
		BIO_printf(out, "\n");
		BIO_printf(out, "public key (x,y): ");
		BN_print(out, x_a);
		BIO_printf(out, ",");
		BN_print(out, y_a);
		BIO_printf(out, "\nkey b:\n");
		BIO_printf(out, "private key: ");
		BN_print(out, EC_KEY_get0_private_key(b));
		BIO_printf(out, "\n");
		BIO_printf(out, "public key (x,y): ");
		BN_print(out, x_b);
		BIO_printf(out, ",");
		BN_print(out, y_b);
		BIO_printf(out, "\n");
		BIO_printf(out, "generated key a: ");
		for (i=0; i<bout; i++)
			{
			sprintf(buf, "%02X", bbuf[i]);
			BIO_puts(out, buf);
			}
		BIO_printf(out, "\n");
		BIO_printf(out, "generated key b: ");
		for (i=0; i<aout; i++)
			{
			sprintf(buf, "%02X", abuf[i]);
			BIO_puts(out,buf);
			}
		BIO_printf(out, "\n");
#endif
		fprintf(stderr,"Error in ECDH routines\n");
		ret=0;
		}
	else
		{
#ifndef NOISY
		BIO_printf(out, " ok\n");
#endif
		ret=1;
		}
err:
	ERR_print_errors_fp(stderr);

	if (abuf != NULL) OPENSSL_free(abuf);
	if (bbuf != NULL) OPENSSL_free(bbuf);
	if (x_a) BN_free(x_a);
	if (y_a) BN_free(y_a);
	if (x_b) BN_free(x_b);
	if (y_b) BN_free(y_b);
	if (b) EC_KEY_free(b);
	if (a) EC_KEY_free(a);
	return(ret);
	}

int main(int argc, char *argv[])
	{
	BN_CTX *ctx=NULL;
	int ret=1;
	BIO *out;

	CRYPTO_malloc_debug_init();
	CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

#ifdef OPENSSL_SYS_WIN32
	CRYPTO_malloc_init();
#endif

	RAND_seed(rnd_seed, sizeof rnd_seed);