// // RsaCertificateExtensions.cs // // Authors: // Alexander Köplinger // // Copyright (C) 2016 Xamarin Inc (http://www.xamarin.com) // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // namespace System.Security.Cryptography.X509Certificates { public static class RSACertificateExtensions { public static RSA GetRSAPrivateKey (this X509Certificate2 certificate) { if (certificate == null) throw new ArgumentNullException (nameof (certificate)); if (!certificate.HasPrivateKey) return null; return certificate.Impl.GetRSAPrivateKey (); } public static RSA GetRSAPublicKey (this X509Certificate2 certificate) { if (certificate == null) throw new ArgumentNullException (nameof (certificate)); return certificate.PublicKey.Key as RSA; } public static X509Certificate2 CopyWithPrivateKey (this X509Certificate2 certificate, RSA privateKey) { if (certificate == null) throw new ArgumentNullException (nameof (certificate)); if (privateKey == null) throw new ArgumentNullException (nameof (privateKey)); var impl = certificate.Impl.CopyWithPrivateKey (privateKey); return (X509Certificate2)impl.CreateCertificate (); } } }