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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Security.Cryptography;
namespace Microsoft.AspNetCore.Identity;
/// <summary>
/// Specifies options for password hashing.
/// </summary>
public class PasswordHasherOptions
{
private static readonly RandomNumberGenerator _defaultRng = RandomNumberGenerator.Create(); // secure PRNG
/// <summary>
/// Gets or sets the compatibility mode used when hashing passwords. Defaults to 'ASP.NET Identity version 3'.
/// </summary>
/// <value>
/// The compatibility mode used when hashing passwords.
/// </value>
public PasswordHasherCompatibilityMode CompatibilityMode { get; set; } = PasswordHasherCompatibilityMode.IdentityV3;
/// <summary>
/// Gets or sets the number of iterations used when hashing passwords using PBKDF2. Default is 100,000.
/// </summary>
/// <value>
/// The number of iterations used when hashing passwords using PBKDF2.
/// </value>
/// <remarks>
/// This value is only used when the compatibility mode is set to 'V3'.
/// The value must be a positive integer.
/// </remarks>
public int IterationCount { get; set; } = 100_000;
// for unit testing
internal RandomNumberGenerator Rng { get; set; } = _defaultRng;
}
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