Code example for Hashtable

Methods: elements

        public Identity getIdentity(PublicKey pk) {
            Enumeration<Identity> en = identities();
            while (en.hasMoreElements()) {
                Identity current = (Identity) en.nextElement();
                if (current.getPublicKey() == pk)
                    return current;
            return null; 
        public Enumeration<Identity> identities() {
            return identities.elements();
        public void addIdentity(Identity id) throws KeyManagementException {
            if (identities.containsKey(id))
                throw new KeyManagementException(
                        "This Identity is already contained in the scope"); 
            if (getIdentity(id.getPublicKey()) != null)
                throw new KeyManagementException(
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