-//\r
-// System.Security.Cryptography SignatureDescription Class implementation\r
-//\r
-// Authors:\r
-// Thomas Neidhart (tome@sbox.tugraz.at)\r
-//\r
-// LAMESPEC: documentation of this class is completely missing in the sdk doc\r
-// TODO: Implement AsymmetricSignatureFormatter & AsymmetricSignatureDeformatter methods\r
-\r
-using System;\r
-using System.Security;\r
-\r
-namespace System.Security.Cryptography {\r
- \r
- /// <summary>\r
- /// LAMESPEC: no sdk doc available for this class by the time of beta 2\r
- /// </summary>\r
- [MonoTODO]\r
- public class SignatureDescription {\r
- private string _DeformatterAlgorithm;\r
- private string _DigestAlgorithm; \r
- private string _FormatterAlgorithm; \r
- private string _KeyAlgorithm; \r
- \r
- /// <summary>\r
- /// LAMESPEC: no idea what param el should do??\r
- /// </summary>\r
- public SignatureDescription (SecurityElement el) {\r
- if (el == null)\r
- throw new CryptographicException();\r
- }\r
- \r
-\r
- /// <summary>\r
- /// LAMESPEC: what to do if setting null values?\r
- /// </summary>\r
- public string DeformatterAlgorithm {\r
- get {\r
- return _DeformatterAlgorithm;\r
- }\r
- set {\r
- _DeformatterAlgorithm = value;\r
- }\r
- }\r
-\r
- /// <summary>\r
- /// LAMESPEC: what to do if setting null values?\r
- /// </summary>\r
- public string DigestAlgorithm {\r
- get {\r
- return _DigestAlgorithm;\r
- }\r
- set {\r
- _DigestAlgorithm = value;\r
- }\r
- }\r
-\r
- /// <summary>\r
- /// LAMESPEC: what to do if setting null values?\r
- /// </summary>\r
- public string FormatterAlgorithm {\r
- get {\r
- return _FormatterAlgorithm;\r
- }\r
- set {\r
- _FormatterAlgorithm = value;\r
- }\r
- }\r
-\r
- /// <summary>\r
- /// LAMESPEC: what to do if setting null values?\r
- /// </summary>\r
- public string KeyAlgorithm {\r
- get {\r
- return _KeyAlgorithm;\r
- }\r
- set {\r
- _KeyAlgorithm = value;\r
- }\r
- }\r
-\r
- [MonoTODO]\r
- public virtual AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key) \r
- {\r
- // TODO: Implement\r
- return null;\r
- }\r
- \r
- /// <summary>\r
- /// Create the hash algorithm assigned with this object\r
- /// </summary>\r
- public virtual HashAlgorithm CreateDigest()\r
- {\r
- return HashAlgorithm.Create(_DigestAlgorithm);\r
- }\r
-\r
- [MonoTODO]\r
- public virtual AsymmetricSignatureFormatter CreateFormatter(AsymmetricAlgorithm key)\r
- {\r
- // TODO: Implement\r
- return null;\r
- }\r
- \r
- } // SignatureDescription\r
- \r
-} // System.Security.Cryptography\r
-\r
+//
+// System.Security.Cryptography SignatureDescription Class implementation
+//
+// Authors:
+// Thomas Neidhart (tome@sbox.tugraz.at)
+// Sebastien Pouliot <sebastien@ximian.com>
+//
+// Portions (C) 2002 Motus Technologies Inc. (http://www.motus.com)
+// (C) 2004 Novell (http://www.novell.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.
+//
+
+// Notes:
+// There seems to be some (internal?) class inheriting from SignatureDescription
+// http://www.csharpfriends.com/Members/Main/Classes/get_class.aspx?assembly=mscorlib,%20Version=1.0.3300.0,%20Culture=neutral,%20PublicKeyToken=b77a5c561934e089&namespace=System.Security.Cryptography&class=SignatureDescription
+// Those 2 classes are returned by CryptoConfig.CreateFromName and used in XMLDSIG
+
+using System;
+using System.Globalization;
+using System.Security;
+
+namespace System.Security.Cryptography {
+
+public class SignatureDescription {
+
+ private string _DeformatterAlgorithm;
+ private string _DigestAlgorithm;
+ private string _FormatterAlgorithm;
+ private string _KeyAlgorithm;
+
+ public SignatureDescription ()
+ {
+ }
+
+ /// LAMESPEC: ArgumentNullException is thrown (not CryptographicException)
+ public SignatureDescription (SecurityElement el)
+ {
+ if (el == null)
+ throw new ArgumentNullException ("el");
+
+ // thanksfully documented in VS.NET 2005
+ SecurityElement child = el.SearchForChildByTag ("Deformatter");
+ _DeformatterAlgorithm = ((child == null) ? null : child.Text);
+
+ child = el.SearchForChildByTag ("Digest");
+ _DigestAlgorithm = ((child == null) ? null : child.Text);
+
+ child = el.SearchForChildByTag ("Formatter");
+ _FormatterAlgorithm = ((child == null) ? null : child.Text);
+
+ child = el.SearchForChildByTag ("Key");
+ _KeyAlgorithm = ((child == null) ? null : child.Text);
+ }
+
+ // There are no validation of the property
+ public string DeformatterAlgorithm {
+ get { return _DeformatterAlgorithm; }
+ set { _DeformatterAlgorithm = value; }
+ }
+
+ // There are no validation of the property
+ public string DigestAlgorithm {
+ get { return _DigestAlgorithm; }
+ set { _DigestAlgorithm = value; }
+ }
+
+ // There are no validation of the property
+ public string FormatterAlgorithm {
+ get { return _FormatterAlgorithm; }
+ set { _FormatterAlgorithm = value; }
+ }
+
+ // There are no validation of the property
+ public string KeyAlgorithm {
+ get { return _KeyAlgorithm; }
+ set { _KeyAlgorithm = value; }
+ }
+
+ public virtual AsymmetricSignatureDeformatter CreateDeformatter (AsymmetricAlgorithm key)
+ {
+ if (_DeformatterAlgorithm == null)
+ throw new ArgumentNullException ("DeformatterAlgorithm");
+
+ // this should throw the InvalidCastException if we have an invalid class
+ // (but not if the class doesn't exist - as null is valid for AsymmetricSignatureDeformatter)
+ AsymmetricSignatureDeformatter def = (AsymmetricSignatureDeformatter) CryptoConfig.CreateFromName (_DeformatterAlgorithm);
+
+ if (_KeyAlgorithm == null)
+ throw new NullReferenceException ("KeyAlgorithm");
+
+ def.SetKey (key);
+ return def;
+ }
+
+ public virtual HashAlgorithm CreateDigest ()
+ {
+ if (_DigestAlgorithm == null)
+ throw new ArgumentNullException ("DigestAlgorithm");
+
+ return (HashAlgorithm) CryptoConfig.CreateFromName (_DigestAlgorithm);
+ }
+
+ public virtual AsymmetricSignatureFormatter CreateFormatter (AsymmetricAlgorithm key)
+ {
+ if (_FormatterAlgorithm == null)
+ throw new ArgumentNullException ("FormatterAlgorithm");
+
+ // this should throw the InvalidCastException if we have an invalid class
+ // (but not if the class doesn't exist - as null is valid for AsymmetricSignatureDeformatter)
+ AsymmetricSignatureFormatter fmt = (AsymmetricSignatureFormatter) CryptoConfig.CreateFromName (_FormatterAlgorithm);
+
+ if (_KeyAlgorithm == null)
+ throw new NullReferenceException ("KeyAlgorithm");
+
+ fmt.SetKey (key);
+ return fmt;
+ }
+}
+
+internal class DSASignatureDescription : SignatureDescription {
+ public DSASignatureDescription ()
+ {
+ DeformatterAlgorithm = "System.Security.Cryptography.DSASignatureDeformatter";
+ DigestAlgorithm = "System.Security.Cryptography.SHA1CryptoServiceProvider";
+ FormatterAlgorithm = "System.Security.Cryptography.DSASignatureFormatter";
+ KeyAlgorithm = "System.Security.Cryptography.DSACryptoServiceProvider";
+ }
+}
+
+internal class RSAPKCS1SHA1SignatureDescription : SignatureDescription {
+ public RSAPKCS1SHA1SignatureDescription ()
+ {
+ DeformatterAlgorithm = "System.Security.Cryptography.RSAPKCS1SignatureDeformatter";
+ DigestAlgorithm = "System.Security.Cryptography.SHA1CryptoServiceProvider";
+ FormatterAlgorithm = "System.Security.Cryptography.RSAPKCS1SignatureFormatter";
+ KeyAlgorithm = "System.Security.Cryptography.RSACryptoServiceProvider";
+ }
+
+ public override AsymmetricSignatureDeformatter CreateDeformatter (AsymmetricAlgorithm key)
+ {
+ // just to please corcompare
+ return base.CreateDeformatter (key);
+ }
+}
+
+}
projects / mono.git / blobdiff