1 files changed, 17 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/MaxFragmentLength.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/MaxFragmentLength.java
new file mode 100644
index 000000000..12aa8f37b
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/MaxFragmentLength.java
@@ -0,0 +1,17 @@
+package org.spongycastle.crypto.tls;
+
+public class MaxFragmentLength
+{
+    /*
+     * RFC 3546 3.2.
+     */
+    public static short pow2_9 = 1;
+    public static short pow2_10 = 2;
+    public static short pow2_11 = 3;
+    public static short pow2_12 = 4;
+
+    public static boolean isValid(short maxFragmentLength)
+    {
+        return maxFragmentLength >= pow2_9 && maxFragmentLength <= pow2_12;
+    }
+}