added caching of hashCode values.

added hashCode check to X509CRLObject

1 files changed, 17 insertions, 0 deletions

diff --git a/core/src/main/java/org/bouncycastle/asn1/x509/CertificateList.java b/core/src/main/java/org/bouncycastle/asn1/x509/CertificateList.java
index 91a37ade..61d7d4a5 100644
--- a/core/src/main/java/org/bouncycastle/asn1/x509/CertificateList.java
+++ b/core/src/main/java/org/bouncycastle/asn1/x509/CertificateList.java
@@ -31,6 +31,8 @@ public class CertificateList
     TBSCertList            tbsCertList;
     AlgorithmIdentifier    sigAlgId;
     DERBitString           sig;
+    boolean                isHashCodeSet = false;
+    int                    hashCodeValue;
 
     public static CertificateList getInstance(
         ASN1TaggedObject obj,
@@ -54,6 +56,10 @@ public class CertificateList
         return null;
     }
 
+    /**
+     * @deprecated use getInstance() method.
+     * @param seq
+     */
     public CertificateList(
         ASN1Sequence seq)
     {
@@ -124,4 +130,15 @@ public class CertificateList
 
         return new DERSequence(v);
     }
+
+    public int hashCode()
+    {
+        if (!isHashCodeSet)
+        {
+            hashCodeValue = super.hashCode();
+            isHashCodeSet = true;
+        }
+
+        return hashCodeValue;
+    }
 }