1 files changed, 48 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/TlsSessionImpl.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/TlsSessionImpl.java
new file mode 100644
index 000000000..af11bf08a
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/TlsSessionImpl.java
@@ -0,0 +1,48 @@
+package org.spongycastle.crypto.tls;
+
+import org.spongycastle.util.Arrays;
+
+class TlsSessionImpl implements TlsSession
+{
+    final byte[] sessionID;
+    SessionParameters sessionParameters;
+
+    TlsSessionImpl(byte[] sessionID, SessionParameters sessionParameters)
+    {
+        if (sessionID == null)
+        {
+            throw new IllegalArgumentException("'sessionID' cannot be null");
+        }
+        if (sessionID.length < 1 || sessionID.length > 32)
+        {
+            throw new IllegalArgumentException("'sessionID' must have length between 1 and 32 bytes, inclusive");
+        }
+
+        this.sessionID = Arrays.clone(sessionID);
+        this.sessionParameters = sessionParameters;
+    }
+
+    public synchronized SessionParameters exportSessionParameters()
+    {
+        return this.sessionParameters == null ? null : this.sessionParameters.copy();
+    }
+
+    public synchronized byte[] getSessionID()
+    {
+        return sessionID;
+    }
+
+    public synchronized void invalidate()
+    {
+        if (this.sessionParameters != null)
+        {
+            this.sessionParameters.clear();
+            this.sessionParameters = null;
+        }
+    }
+
+    public synchronized boolean isResumable()
+    {
+        return this.sessionParameters != null;
+    }
+}