diff --git a/tool/server.cc b/tool/server.cc
new file mode 100644
index 0000000..bc3739f
--- /dev/null
+++ b/tool/server.cc
@@ -0,0 +1,111 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/base.h>
+
+// TODO(davidben): bssl client does not work on Windows.
+#if !defined(OPENSSL_WINDOWS)
+
+#include <string>
+#include <vector>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include <openssl/err.h>
+#include <openssl/ssl.h>
+
+#include "internal.h"
+#include "transport_common.h"
+
+
+static const struct argument kArguments[] = {
+    {
+     "-accept", true,
+     "The port of the server to bind on; eg 45102",
+    },
+    {
+     "-cipher", false,
+     "An OpenSSL-style cipher suite string that configures the offered ciphers",
+    },
+    {
+      "-key", false,
+      "Private-key file to use (default is server.pem)",
+    },
+    {
+     "", false, "",
+    },
+};
+
+bool Server(const std::vector<std::string> &args) {
+  std::map<std::string, std::string> args_map;
+
+  if (!ParseKeyValueArguments(&args_map, args, kArguments)) {
+    PrintUsage(kArguments);
+    return false;
+  }
+
+  SSL_CTX *ctx = SSL_CTX_new(SSLv23_server_method());
+  SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3);
+
+  // Server authentication is required.
+  std::string key_file = "server.pem";
+  if (args_map.count("-key") != 0) {
+    key_file = args_map["-key"];
+  }
+  if (SSL_CTX_use_PrivateKey_file(ctx, key_file.c_str(), SSL_FILETYPE_PEM) <= 0) {
+    fprintf(stderr, "Failed to load private key: %s\n", key_file.c_str());
+    return false;
+  }
+  if (SSL_CTX_use_certificate_chain_file(ctx, key_file.c_str()) != 1) {
+    fprintf(stderr, "Failed to load cert chain: %s\n", key_file.c_str());
+    return false;
+  }
+
+  if (args_map.count("-cipher") != 0 &&
+      !SSL_CTX_set_cipher_list(ctx, args_map["-cipher"].c_str())) {
+    fprintf(stderr, "Failed setting cipher list\n");
+    return false;
+  }
+
+  int sock = -1;
+  if (!Accept(&sock, args_map["-accept"])) {
+    return false;
+  }
+
+  BIO *bio = BIO_new_socket(sock, BIO_CLOSE);
+  SSL *ssl = SSL_new(ctx);
+  SSL_set_bio(ssl, bio, bio);
+
+  int ret = SSL_accept(ssl);
+  if (ret != 1) {
+    int ssl_err = SSL_get_error(ssl, ret);
+    fprintf(stderr, "Error while connecting: %d\n", ssl_err);
+    ERR_print_errors_cb(PrintErrorCallback, stderr);
+    return false;
+  }
+
+  fprintf(stderr, "Connected.\n");
+  PrintConnectionInfo(ssl);
+
+  bool ok = TransferData(ssl, sock);
+
+  SSL_free(ssl);
+  SSL_CTX_free(ctx);
+  return ok;
+}
+
+
+#endif  // !OPENSSL_WINDOWS