2003-11-08  Sebastien Pouliot  <spouliot@videotron.ca>

	* ContentInfo.cs: New. Class to encapsulate PKCS7 ContentInfo. Static 
	method GetContentType need to be completed (requires some test vectors).
	* Pkcs7Signer.cs: New. Class to add attributes (authenticated and/or 
	authenticated),	certificates and other informations to the signature.
	* RecipientInfo.cs: New. Abstract class to encpasulate recipient 
	informations.

2003-11-07  Sebastien Pouliot  <spouliot@videotron.ca>

	* AlgorithmIdentifier.cs: New. Class to encapsulate PKCS7 AlgorithmIdentifier.
	* CryptographicAttribute.cs: Basic class for attributes.
	* KeyAgreeKeyChoice.cs: New. Enumeration for key agreement.
	* Pkcs9Attribute.cs: New. Base class for Pkcs#9 attributes.
	* Pkcs9DocumentDescription.cs: New. Pkcs#9 DocumentDescription attribute.
	* Pkcs9DocumentName.cs: New. Pkcs#9 DocumentName attribute.
	* Pkcs9SigningTime.cs: New. Pkcs#9 SigningTime attribute.
	* RecipientInfoType.cs: New. Enumeration for RecipientInfo.
	* RecipientSubType.cs: New. Enumeration for RecipientInfo.
	* SubjectIdentifierOrKeyType.cs: New. Enumeration for SubjectIdentifier.
	* SubjectIdentifierType.cs: New. Enumeration for SubjectIdentifier.
