From 14b33a1e4c45376af592405f2ba84413ff415381 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Mon, 6 Apr 2020 15:23:30 +0000
Subject: [PATCH] Ratchet: Don't allocate space for tagset keys initially
---
.../java/src/net/i2p/router/crypto/ratchet/RatchetTagSet.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/router/java/src/net/i2p/router/crypto/ratchet/RatchetTagSet.java b/router/java/src/net/i2p/router/crypto/ratchet/RatchetTagSet.java
index 470993f927..1c7049e345 100644
--- a/router/java/src/net/i2p/router/crypto/ratchet/RatchetTagSet.java
+++ b/router/java/src/net/i2p/router/crypto/ratchet/RatchetTagSet.java
@@ -86,6 +86,8 @@ class RatchetTagSet implements TagSetHandle {
static final int DEBUG_OB_NSR = 0x10001;
static final int DEBUG_IB_NSR = 0x10002;
static final int DEBUG_SINGLE_ES = 0x10003;
+ // Start empty (no allocations), we only use storage for gaps
+ private static final int INITIAL_KEY_CAPACITY = 0;
/**
* Outbound NSR Tagset
@@ -160,7 +162,7 @@ class RatchetTagSet implements TagSetHandle {
if (isInbound) {
_sessionTags = new SparseArray<RatchetSessionTag>(minSize);
if (state == null)
- _sessionKeys = new SparseArray<byte[]>(minSize);
+ _sessionKeys = new SparseArray<byte[]>(INITIAL_KEY_CAPACITY);
else
_sessionKeys = null;
for (int i = 0; i < minSize; i++) {
--
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