imeplement all Dialog-API functions

ElectronNET.API/Entities/Certificate.cs

@@ -0,0 +1,55 @@
+namespace ElectronNET.API.Entities
+{
+    public class Certificate
+    {
+        /// <summary>
+        /// PEM encoded data
+        /// </summary>
+        public string Data { get; set; }
+
+        /// <summary>
+        /// Fingerprint of the certificate
+        /// </summary>
+        public string Fingerprint { get; set; }
+
+        /// <summary>
+        /// Issuer principal
+        /// </summary>
+        public CertificatePrincipal Issuer { get; set; }
+
+        /// <summary>
+        /// Issuer certificate (if not self-signed)
+        /// </summary>
+        public Certificate IssuerCert { get; set; }
+
+        /// <summary>
+        /// Issuer's Common Name
+        /// </summary>
+        public string IssuerName { get; set; }
+
+        /// <summary>
+        /// Hex value represented string
+        /// </summary>
+        public string SerialNumber { get; set; }
+
+        /// <summary>
+        /// Subject principal
+        /// </summary>
+        public CertificatePrincipal Subject { get; set; }
+
+        /// <summary>
+        /// Subject's Common Name
+        /// </summary>
+        public string SubjectName { get; set; }
+
+        /// <summary>
+        /// End date of the certificate being valid in seconds
+        /// </summary>
+        public int ValidExpiry { get; set; }
+
+        /// <summary>
+        /// Start date of the certificate being valid in seconds
+        /// </summary>
+        public int ValidStart { get; set; }
+    }
+}