// // System.Security.Cryptography.Pkcs.ContentInfo // // Author: // Sebastien Pouliot // // (C) 2003 Motus Technologies Inc. (http://www.motus.com) // Copyright (C) 2004 Novell, Inc (http://www.novell.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. // #if NET_2_0 using System; using System.Security.Cryptography; using Mono.Security; namespace System.Security.Cryptography.Pkcs { /* * ContentInfo ::= SEQUENCE { * contentType ContentType, * content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL * } * ContentType ::= OBJECT IDENTIFIER */ public sealed class ContentInfo { private Oid _oid; private byte[] _content; // constructors public ContentInfo (byte[] content) : this (new Oid ("1.2.840.113549.1.7.1"), content) { } public ContentInfo (Oid oid, byte[] content) { if (oid == null) throw new ArgumentNullException ("oid"); if (content == null) throw new ArgumentNullException ("content"); _oid = oid; _content = content; } ~ContentInfo () { } // properties public byte[] Content { get { return _content; } } public Oid ContentType { get { return _oid; } } // static methods [MonoTODO("Incomplete OID support")] public static Oid GetContentType (byte[] encodedMessage) { // FIXME: compatibility with fx 1.2.3400.0 if (encodedMessage == null) throw new NullReferenceException (); // throw new ArgumentNullException ("algorithm"); try { PKCS7.ContentInfo ci = new PKCS7.ContentInfo (encodedMessage); switch (ci.ContentType) { // TODO - there are probably more - need testing case PKCS7.Oid.signedData: return new Oid (ci.ContentType); default: throw new CryptographicException ("Bad ASN1 - invalid OID"); } } catch (Exception e) { throw new CryptographicException ("Bad ASN1 - invalid structure", e); } } } } #endif