1 files changed, 38 insertions, 0 deletions
diff --git a/src/or/onion_fast.h b/src/or/onion_fast.h
new file mode 100644
index 0000000000..2d652cc530
--- /dev/null
+++ b/src/or/onion_fast.h
@@ -0,0 +1,38 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2012, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file onion_fast.h
+ * \brief Header file for onion_fast.c.
+ **/
+
+#ifndef TOR_ONION_FAST_H
+#define TOR_ONION_FAST_H
+
+#define CREATE_FAST_LEN DIGEST_LEN
+#define CREATED_FAST_LEN DIGEST_LEN*2
+
+typedef struct fast_handshake_state_t {
+  uint8_t state[DIGEST_LEN];
+} fast_handshake_state_t;
+
+void fast_handshake_state_free(fast_handshake_state_t *victim);
+
+int fast_onionskin_create(fast_handshake_state_t **handshake_state_out,
+                          uint8_t *handshake_out);
+
+int fast_server_handshake(const uint8_t *message_in,
+                          uint8_t *handshake_reply_out,
+                          uint8_t *key_out,
+                          size_t key_out_len);
+
+int fast_client_handshake(const fast_handshake_state_t *handshake_state,
+                          const uint8_t *handshake_reply_out,
+                          uint8_t *key_out,
+                          size_t key_out_len);
+
+#endif
+