diff options
author | Linus Nordberg <linus@nordberg.se> | 2014-09-19 14:33:25 +0200 |
---|---|---|
committer | Linus Nordberg <linus@nordberg.se> | 2014-09-19 14:54:31 +0200 |
commit | c2d7fcc2e1274c148f0ac94436c138022390ffc4 (patch) | |
tree | 7feb5d0c280d931b8b19085995bf787e7de6eee8 | |
parent | e84b362eb7f5dbdea44c811534521f89707f66b4 (diff) |
Hash over the MerkleTreeLeaf.
Hash over correct timestamp when adding submitted entries.
Hash over the full #mtl{} when adding entries from db.
-rw-r--r-- | src/ht.erl | 11 | ||||
-rw-r--r-- | src/plop.erl | 16 |
2 files changed, 11 insertions, 16 deletions
@@ -261,15 +261,14 @@ new([-1]) -> new([]); %% Initialise tree from db. new([Version]) when is_integer(Version) -> - foldl(fun(#mtl{entry = E}, Tree) -> - D = (E#timestamped_entry.entry)#plop_entry.data, - add(Tree, D) % Return value -> Tree in next invocation. + foldl(fun(MTL, Tree) -> + %% Return value becomes Tree in next invocation. + add(Tree, plop:serialise(MTL)) end, new([]), db:get_by_index_sorted(0, Version)); %% Initialise tree from List. new([List]) when is_list(List) -> - foldl(fun(D, Tree) -> - add(Tree, D) % Return value -> Tree in next invocation. - end, new([]), List). + foldl(fun(SerialisedMTL, Tree) -> add(Tree, SerialisedMTL) end, + new([]), List). update(Tree) -> update(Tree, Tree#tree.version). diff --git a/src/plop.erl b/src/plop.erl index 92ada3a..8277175 100644 --- a/src/plop.erl +++ b/src/plop.erl @@ -104,7 +104,8 @@ terminate(_Reason, _State) -> ok. %%%%%%%%%%%%%%%%%%%% -add(Data) when is_record(Data, timestamped_entry) -> +-spec add(timestamped_entry()) -> spt(). +add(Data) -> gen_server:call(?MODULE, {add, Data}). sth() -> gen_server:call(?MODULE, {sth, []}). @@ -171,22 +172,17 @@ handle_call({test, pubkey}, _From, -spec do_add(timestamped_entry(), public_key:rsa_private_key(), binary()) -> {ok|error, binary()}. -do_add(TimestampedEntry = #timestamped_entry{entry = PlopEntry}, - Privkey, - LogID) -> - DB_hash = crypto:hash(sha256, serialise(PlopEntry)), +do_add(TimestampedEntry, Privkey, LogID) -> + DB_hash = crypto:hash(sha256, + serialise(TimestampedEntry#timestamped_entry.entry)), Record = db:find(entryhash, DB_hash), case Record of #plop{index = _I, mtl = MTL, spt = SPT} -> %% Costly database consistency checking. FIXME: Remove. - E = MTL#mtl.entry, Record = Record#plop{ entryhash = DB_hash, mtlhash = ht:leaf_hash(serialise(MTL)), - mtl = #mtl{entry = - #timestamped_entry{ - timestamp = E#timestamped_entry.timestamp, - entry = PlopEntry}}}, + mtl = MTL}, {ok, SPT}; [] -> NewSPT = spt(LogID, Privkey, TimestampedEntry), |