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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;
using Microsoft.AspNetCore.DataProtection.KeyManagement;
namespace Microsoft.AspNetCore.DataProtection.AuthenticatedEncryption;
/// <summary>
/// A factory to produce <see cref="IAuthenticatedEncryptor"/> instances.
/// </summary>
public interface IAuthenticatedEncryptorFactory
{
/// <summary>
/// Creates an <see cref="IAuthenticatedEncryptor"/> instance based on the given <see cref="IKey.Descriptor"/>.
/// </summary>
/// <returns>An <see cref="IAuthenticatedEncryptor"/> instance.</returns>
/// <remarks>
/// For a given <see cref="IKey.Descriptor"/>, any two instances returned by this method should
/// be considered equivalent, e.g., the payload returned by one's <see cref="IAuthenticatedEncryptor.Encrypt(ArraySegment{byte}, ArraySegment{byte})"/>
/// method should be consumable by the other's <see cref="IAuthenticatedEncryptor.Decrypt(ArraySegment{byte}, ArraySegment{byte})"/> method.
/// </remarks>
IAuthenticatedEncryptor? CreateEncryptorInstance(IKey key);
}
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