Increase zlib default buffer size

2 files changed, 2 insertions, 2 deletions

diff --git a/crypto/src/util/zlib/ZInputStream.cs b/crypto/src/util/zlib/ZInputStream.cs

index 434fe95c8..ea803fa4f 100644
--- a/crypto/src/util/zlib/ZInputStream.cs
+++ b/crypto/src/util/zlib/ZInputStream.cs
@@ -49,7 +49,7 @@ namespace Org.BouncyCastle.Utilities.Zlib
             return z;
         }
 
-        private const int BufferSize = 512;
+        private const int BufferSize = 4096;
 
 		protected ZStream z;
 		protected int flushLevel = JZlib.Z_NO_FLUSH;
diff --git a/crypto/src/util/zlib/ZOutputStream.cs b/crypto/src/util/zlib/ZOutputStream.cs

index 1633b2d8f..a1482a07f 100644
--- a/crypto/src/util/zlib/ZOutputStream.cs
+++ b/crypto/src/util/zlib/ZOutputStream.cs
@@ -49,7 +49,7 @@ namespace Org.BouncyCastle.Utilities.Zlib
             return z;
         }
 
-        private const int BufferSize = 512;
+        private const int BufferSize = 4096;
 
 		protected ZStream z;
 		protected int flushLevel = JZlib.Z_NO_FLUSH;