1 files changed, 19 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Exception.java b/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Exception.java
index dc0ee203..2696add7 100644
--- a/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Exception.java
+++ b/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Exception.java
@@ -2,22 +2,41 @@ package org.bouncycastle.asn1;
 
 import java.io.IOException;
 
+/**
+ * Exception thrown in cases of corrupted or unexpected data in a stream.
+ */
 public class ASN1Exception
     extends IOException
 {
     private Throwable cause;
 
+    /**
+     * Base constructor
+     *
+     * @param message a message concerning the exception.
+     */
     ASN1Exception(String message)
     {
         super(message);
     }
 
+    /**
+     * Constructor when this exception is due to another one.
+     *
+     * @param message a message concerning the exception.
+     * @param cause the exception that caused this exception to be thrown.
+     */
     ASN1Exception(String message, Throwable cause)
     {
         super(message);
         this.cause = cause;
     }
 
+    /**
+     * Return the underlying cause of this exception, if any.
+     *
+     * @return the exception causing this one, null if there isn't one.
+     */
     public Throwable getCause()
     {
         return cause;