private void InitializeRSA() { RSA publicRSA = publicRSA = RSA.Create(); publicRSA.ImportParameters(publicKey.GetParameters()); securityKey = new RsaSecurityKey(publicRSA); RSA privateRSA = RSA.Create(); privateRSA.ImportParameters(privateKey.GetParameters()); var securityKeyRSA = new RsaSecurityKey(privateRSA); signingCredentials = new SigningCredentials(securityKeyRSA, SecurityAlgorithms.RsaSha256); }