/// <summary>
/// Looks up the value to be used for the openid.session_type parameter.
/// </summary>
/// <param name="protocol">The protocol version that is to be used.</param>
/// <param name="hashSizeInBits">The hash size (in bits) that the DH session must have.</param>
/// <returns>The value to be used for the openid.session_type parameter, or null if no match was found.</returns>
internal static string GetNameForSize(Protocol protocol, int hashSizeInBits)
{
Requires.NotNull(protocol, "protocol");
DHSha match = diffieHellmanSessionTypes.FirstOrDefault(dhsha => dhsha.Algorithm.HashSize == hashSizeInBits);
return(match != null?match.GetName(protocol) : null);
}
/// <summary>
/// Looks up the value to be used for the openid.session_type parameter.
/// </summary>
/// <param name="protocol">The protocol version that is to be used.</param>
/// <param name="hashSizeInBits">The hash size (in bits) that the DH session must have.</param>
/// <returns>The value to be used for the openid.session_type parameter, or null if no match was found.</returns>
internal static string GetNameForSize(Protocol protocol, int hashSizeInBits)
{
Contract.Requires <ArgumentNullException>(protocol != null);
DHSha match = diffieHellmanSessionTypes.FirstOrDefault(dhsha => dhsha.Algorithm.HashSize == hashSizeInBits);
return(match != null?match.GetName(protocol) : null);
}