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//-----------------------------------------------------------------------
// <copyright file="AssociateDiffieHellmanResponse.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenId.Messages {
using System;
using System.Diagnostics.Contracts;
using System.Security.Cryptography;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.Messaging.Reflection;
using Org.Mentalis.Security.Cryptography;
/// <summary>
/// The successful Diffie-Hellman association response message.
/// </summary>
/// <remarks>
/// Association response messages are described in OpenID 2.0 section 8.2. This type covers section 8.2.3.
/// </remarks>
internal abstract class AssociateDiffieHellmanResponse : AssociateSuccessfulResponse {
/// <summary>
/// Initializes a new instance of the <see cref="AssociateDiffieHellmanResponse"/> class.
/// </summary>
/// <param name="responseVersion">The OpenID version of the response message.</param>
/// <param name="originatingRequest">The originating request.</param>
internal AssociateDiffieHellmanResponse(Version responseVersion, AssociateDiffieHellmanRequest originatingRequest)
: base(responseVersion, originatingRequest) {
}
/// <summary>
/// Gets or sets the Provider's Diffie-Hellman public key.
/// </summary>
/// <value>btwoc(g ^ xb mod p)</value>
[MessagePart("dh_server_public", IsRequired = true, AllowEmpty = false)]
internal byte[] DiffieHellmanServerPublic { get; set; }
/// <summary>
/// Gets or sets the MAC key (shared secret), encrypted with the secret Diffie-Hellman value.
/// </summary>
/// <value>H(btwoc(g ^ (xa * xb) mod p)) XOR MAC key. H is either "SHA1" or "SHA256" depending on the session type. </value>
[MessagePart("enc_mac_key", IsRequired = true, AllowEmpty = false)]
internal byte[] EncodedMacKey { get; set; }
}
}
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