load_netscape_key(BIO *err, BIO *key, const char *file,
		const char *key_descrip, int format)
	{
	EVP_PKEY *pkey;
	BUF_MEM *buf;
	RSA	*rsa;
	const unsigned char *p;
	int size, i;

	buf=BUF_MEM_new();
	pkey = EVP_PKEY_new();
	size = 0;
	if (buf == NULL || pkey == NULL)
		goto error;
	for (;;)
		{
		if (!BUF_MEM_grow_clean(buf,size+1024*10))
			goto error;
		i = BIO_read(key, &(buf->data[size]), 1024*10);
		size += i;
		if (i == 0)
			break;
		if (i < 0)
			{
				BIO_printf(err, "Error reading %s %s",
					key_descrip, file);
				goto error;
			}
		}
	p=(unsigned char *)buf->data;
	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
		(format == FORMAT_IISSGC ? 1 : 0));
	if (rsa == NULL)
		goto error;
	BUF_MEM_free(buf);
	EVP_PKEY_set1_RSA(pkey, rsa);
	return pkey;
error:
	BUF_MEM_free(buf);
	EVP_PKEY_free(pkey);
	return NULL;
	}
load_netscape_key(BIO *err, BIO *key, const char *file,
		const char *key_descrip, int format)
	{
	EVP_PKEY *pkey;
	BUF_MEM *buf;
	RSA	*rsa;
	const unsigned char *p;
	int size, i;

	buf=BUF_MEM_new();
	pkey = EVP_PKEY_new();
	size = 0;
	if (buf == NULL || pkey == NULL)
		goto error;
	for (;;)
		{
		if (!BUF_MEM_grow_clean(buf,size+1024*10))
			goto error;
		i = BIO_read(key, &(buf->data[size]), 1024*10);
		size += i;
		if (i == 0)
			break;
		if (i < 0)
			{
				BIO_printf(err, "Error reading %s %s",
					key_descrip, file);
				goto error;
			}
		}
	p=(unsigned char *)buf->data;
	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
		(format == FORMAT_IISSGC ? 1 : 0));
	if (rsa == NULL)
		goto error;
	BUF_MEM_free(buf);
	EVP_PKEY_set1_RSA(pkey, rsa);
	return pkey;
error:
	BUF_MEM_free(buf);
	EVP_PKEY_free(pkey);
	return NULL;
	}