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Erase the tag key after use.

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akwizgran
2012-11-02 12:25:13 +00:00
parent c0c6af7a86
commit 11ea898bab
2 changed files with 22 additions and 21 deletions
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3
src/net/sf/briar/transport/TransportConnectionRecogniser.java
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@@ -55,7 +55,7 @@ class TransportConnectionRecogniser {
for(long connection1 : window.setSeen(connection)) { for(long connection1 : window.setSeen(connection)) {
byte[] tag1 = new byte[TAG_LENGTH]; byte[] tag1 = new byte[TAG_LENGTH];
crypto.encodeTag(tag1, cipher, key, connection1); crypto.encodeTag(tag1, cipher, key, connection1);
if(connection1 <= connection) { if(connection1 < connection) {
TagContext old = tagMap.remove(new Bytes(tag1)); TagContext old = tagMap.remove(new Bytes(tag1));
assert old != null; assert old != null;
ByteUtils.erase(old.context.getSecret()); ByteUtils.erase(old.context.getSecret());
@@ -95,6 +95,7 @@ class TransportConnectionRecogniser {
TagContext old = tagMap.put(new Bytes(tag), tctx); TagContext old = tagMap.put(new Bytes(tag), tctx);
assert old == null; assert old == null;
} }
key.erase();
// Create a removal context to remove the window later // Create a removal context to remove the window later
RemovalContext rctx = new RemovalContext(window, secret, alice); RemovalContext rctx = new RemovalContext(window, secret, alice);
removalMap.put(new RemovalKey(contactId, period), rctx); removalMap.put(new RemovalKey(contactId, period), rctx);