Opc.Ua.UserNameIdentityToken.Encrypt C# (CSharp) Method

        public override void Encrypt(X509Certificate2 certificate, byte[] senderNonce, string securityPolicyUri)
        {
            if (m_decryptedPassword == null)
            {
                m_password = null;
                return;
            }

            // handle no encryption.
            if (String.IsNullOrEmpty(securityPolicyUri) || securityPolicyUri == SecurityPolicies.None)
            {
                m_password = new UTF8Encoding().GetBytes(m_decryptedPassword);
                m_encryptionAlgorithm = null;
                return;
            }
            
            // encrypt the password.
            byte[] dataToEncrypt = Utils.Append(new UTF8Encoding().GetBytes(m_decryptedPassword), senderNonce);

            EncryptedData encryptedData = SecurityPolicies.Encrypt(
                certificate,
                securityPolicyUri,
                dataToEncrypt);
                        
            m_password = encryptedData.Data;
            m_encryptionAlgorithm = encryptedData.Algorithm; 
        }