security/ct/BTTypes.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef BTTypes_h
   8 #define BTTypes_h
   9
  10 #include <vector>
  11
  12 #include "Buffer.h"
  13
  14 namespace mozilla {
  15 namespace ct {
  16
  17 // Represents a Merkle inclusion proof for purposes of serialization,
  18 // deserialization, and verification of the proof.  The format for inclusion
  19 // proofs in RFC 6962-bis is as follows:
  20 //
  21 //    opaque LogID<2..127>;
  22 //    opaque NodeHash<32..2^8-1>;
  23 //
  24 //     struct {
  25 //         LogID log_id;
  26 //         uint64 tree_size;
  27 //         uint64 leaf_index;
  28 //         NodeHash inclusion_path<1..2^16-1>;
  29 //     } InclusionProofDataV2;
  30
  31 struct InclusionProofDataV2 {
  32   Buffer logId;
  33   uint64_t treeSize;
  34   uint64_t leafIndex;
  35   std::vector<Buffer> inclusionPath;
  36 };
  37
  38 // Represents a Signed Tree Head as per RFC 6962-bis. All extensions are
  39 // ignored. The signature field covers the data in the tree_head field.
  40 //
  41 //     struct {
  42 //         LogID log_id;
  43 //         TreeHeadDataV2 tree_head;
  44 //         opaque signature<0..2^16-1>;
  45 //     } SignedTreeHeadDataV2;
  46 //
  47 //     struct {
  48 //         uint64 timestamp;
  49 //         uint64 tree_size;
  50 //         NodeHash root_hash;
  51 //         Extension sth_extensions<0..2^16-1>;
  52 //     } TreeHeadDataV2;
  53
  54 struct SignedTreeHeadDataV2 {
  55   Buffer logId;
  56   uint64_t timestamp;
  57   uint64_t treeSize;
  58   Buffer rootHash;
  59 };
  60
  61 }  // namespace ct
  62 }  // namespace mozilla
  63
  64 #endif  // BTTypes_h