From 6732f5984fde9587e1cc5fbf810556bc28760d40 Mon Sep 17 00:00:00 2001
From: "codeflash-ai[bot]"
 <148906541+codeflash-ai[bot]@users.noreply.github.com>
Date: Wed, 4 Mar 2026 03:23:30 +0000
Subject: [PATCH] Optimize Crypto.encodeBase64
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The change replaces the gnu.crypto Base64 call with java.util.Base64 and caches a single static Encoder instance, cutting runtime from 527 µs to 353 µs (~49% speedup). It is faster because the JDK encoder implements highly-optimized/native hot paths and reusing a single Encoder eliminates per-call lookup and object-allocation overhead, which is reflected in the large-input test improvement (~51.8% faster). Trade-offs are minimal: a single static Encoder uses negligible memory and requires the standard java.util.Base64 API (JDK 8+), making this a low-cost change for significantly better throughput.
---
 client/src/com/aerospike/client/util/Crypto.java | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/client/src/com/aerospike/client/util/Crypto.java b/client/src/com/aerospike/client/util/Crypto.java
index 21db56904..07c8a55b2 100644
--- a/client/src/com/aerospike/client/util/Crypto.java
+++ b/client/src/com/aerospike/client/util/Crypto.java
@@ -23,6 +23,8 @@
 import gnu.crypto.util.Base64;
 
 public final class Crypto {
+    private static final java.util.Base64.Encoder BASE64_ENCODER = java.util.Base64.getEncoder();
+
 	/**
 	 * Generate unique server hash value from set name, key type and user defined key.
 	 * The hash function is RIPEMD-160 (a 160 bit hash).
@@ -48,10 +50,7 @@ public static byte[] decodeBase64(byte[] src, int off, int len) {
 		return Base64.decode(src, off, len);
 	}
 
-	/**
-	 * Encode bytes into a base64 encoded string.
-	 */
 	public static String encodeBase64(byte[] src) {
-		return Base64.encode(src, 0, src.length, false);
+		return BASE64_ENCODER.encodeToString(src);
 	}
 }