Diff: tls/tls_protocol.h

Revision:

4:cbaf466d717d

Parent:

2:527a66d0a1a9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tls/tls_protocol.h	Tue Jun 10 14:23:09 2014 +0000
@@ -0,0 +1,130 @@
+/*
+MiniTLS - A super trimmed down TLS/SSL Library for embedded devices
+Author: Donatien Garnier
+Copyright (C) 2013-2014 AppNearMe Ltd
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*//**
+ * \file tls_protocol.h
+ * \copyright Copyright (c) AppNearMe Ltd 2013
+ * \author Donatien Garnier
+ */
+
+#ifndef TLS_PROTOCOL_H_
+#define TLS_PROTOCOL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "core/fwk.h"
+
+//See rfc5246 and rfc4492
+
+
+typedef struct __tls_plaintext
+{
+    tls_content_type_t type;
+    tls_protocol_version_t version;
+    uint16_t length; //(MAX 2^14 = 16384)
+    //uint8_t* fragment; //(plaintext)
+} tls_plaintext_t;
+
+typedef struct __tls_ciphertext
+{
+  tls_content_type_t type;
+  tls_protocol_version_t version;
+  uint16_t length; ////(MAX 2^14 + 2048 = 18432)
+  /*
+  select (SecurityParameters.cipher_type) {
+      case stream: GenericStreamCipher;
+      case block:  GenericBlockCipher;
+      case aead:   GenericAEADCipher;
+  } fragment;
+  */
+  void* cipher;
+} tls_ciphertext_t;
+
+
+typedef struct __tls_block_cipher
+{
+  uint8_t* initialization_vector;
+  uint8_t* fragment;
+  uint8_t* mac;
+  uint8_t* padding;
+  uint8_t padding_length;
+} tls_block_cipher_t;
+
+typedef struct __tls_session_keys
+{
+  uint8_t* server_write_mac_key;
+  uint8_t* client_write_mac_key;
+  uint8_t* server_write_key;
+  uint8_t* client_write_key;
+  //uint8_t* server_write_initialization_vector; -- only useful for certain specific ciphers
+  //uint8_t* client_write_initialization_vector;
+} tls_session_keys_t;
+
+//Known ciphersuites
+//CipherSuite TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA    = { 0xC0, 0x04 }
+//#define TLS_CIPHERSUITE_ECDH_ECDSA_WITH_AES_128_CBC_SHA { 0xC0, 0x04 }
+
+/* Messages */
+
+typedef struct __tls_message_change_cipher_spec
+{
+  enum {
+    CHANGE_CIPHER_SPEC = 1,
+    UNKNOWN = 255
+  } type;
+} tls_message_change_cipher_spec_t;
+
+
+
+typedef uint32_t uint24_t; //!BEWARE!
+/*
+typedef struct __tls_message_handshake
+{
+  uint24_t length : 3;
+  enum
+  {
+    hello_request = (0), client_hello = (1), server_hello = (2),
+    certificate = (11), server_key_exchange = (12),
+    certificate_request = (13), server_hello_done = (14),
+    certificate_verify = (15), client_key_exchange = (16),
+    finished = (20), unknown = (255)
+  } handshake_type;
+
+  select (HandshakeType) {
+     case hello_request:       HelloRequest;
+     case client_hello:        ClientHello;
+     case server_hello:        ServerHello;
+     case certificate:         Certificate;
+     case server_key_exchange: ServerKeyExchange;
+     case certificate_request: CertificateRequest;
+     case server_hello_done:   ServerHelloDone;
+     case certificate_verify:  CertificateVerify;
+     case client_key_exchange: ClientKeyExchange;
+     case finished:            Finished;
+  } body;
+
+  uint8_t* body;
+} tls_message_handshake_t;
+*/
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TLS_PROTOCOL_H_ */