This is the successor to the very popular Thinktecture.IdentityModel.45 repository. The old project has reached a certain size where it made more sense to break up the different features areas in separate assemblies and projects.

The new IdentityModel consists of the following parts:

• Base64Url encoding
• Epoch Date Time conversion
• Random number generation
• Time-constant string comparison
• Certificate Store Access
• Useful constants when dealing with algorithms, date time formats, tokens and protocols
• Anoynmous claims principal
• Authentication instant claim
• Claims-based authorization
• ClaimsPrincipal factory
• Extension Methods for XML, security token conversion, X.509 certificates

• Claims transformation
• Token format support
• Support for retrieving tokens from headers or query strings

• Portable library (.NET 4.5, Windows 8, Windows Phone 8)
• OAuth2 client library
• URL generation for code and implicit flow
• Token requests for authorization codes, resource owner credentials, refresh tokens, assertions
• Parsing of authorize and token responses
• Extensible
• HttpClient helpers for dealing with Basic Authentication and token headers

• Easy to use embeddable, zero-config STS for ASP.NET

• Implementation of Hawk authentication mechanism for Web API and OWIN

• WS-Trust bindings for UserName, Windows, Issued Tokens and X.509 certificates
• Helpers for dealing with RSTRs and entropy
• WS-Trust Client

• WIF integration for Simple Web Tokens