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//-----------------------------------------------------------------------
// <copyright file="NistAssuranceLevel.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenId.Extensions.ProviderAuthenticationPolicy {
using System;
using System.Collections.Generic;
using System.Text;
/// <summary>
/// Descriptions for NIST-defined levels of assurance that a credential
/// has not been compromised and therefore the extent to which an
/// authentication assertion can be trusted.
/// </summary>
/// <remarks>
/// One using this enum should review the following publication for details
/// before asserting or interpreting what these levels signify, notwithstanding
/// the brief summaries attached to each level in DotNetOpenId documentation.
/// http://csrc.nist.gov/publications/nistpubs/800-63/SP800-63V1_0_2.pdf
///
/// See PAPE spec Appendix A.1.2 (NIST Assurance Levels) for high-level example classifications of authentication methods within the defined levels.
/// </remarks>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Nist")]
public enum NistAssuranceLevel {
/// <summary>
/// Not an assurance level defined by NIST, but rather SHOULD be used to
/// signify that the OP recognizes the parameter and the End User
/// authentication did not meet the requirements of Level 1.
/// </summary>
InsufficientForLevel1 = 0,
/// <summary>
/// See this document for a thorough description:
/// http://csrc.nist.gov/publications/nistpubs/800-63/SP800-63V1_0_2.pdf
/// </summary>
Level1 = 1,
/// <summary>
/// See this document for a thorough description:
/// http://csrc.nist.gov/publications/nistpubs/800-63/SP800-63V1_0_2.pdf
/// </summary>
Level2 = 2,
/// <summary>
/// See this document for a thorough description:
/// http://csrc.nist.gov/publications/nistpubs/800-63/SP800-63V1_0_2.pdf
/// </summary>
Level3 = 3,
/// <summary>
/// See this document for a thorough description:
/// http://csrc.nist.gov/publications/nistpubs/800-63/SP800-63V1_0_2.pdf
/// </summary>
Level4 = 4,
}
}
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