Formusoft.Security.Abstractions 4.0.28

.NET 6.0 This package targets .NET 6.0. The package is compatible with this framework or higher. .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. .NET Framework 4.6.2 This package targets .NET Framework 4.6.2. The package is compatible with this framework or higher. 
dotnet add package Formusoft.Security.Abstractions --version 4.0.28
                    


                    

                
NuGet\Install-Package Formusoft.Security.Abstractions -Version 4.0.28
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Formusoft.Security.Abstractions" Version="4.0.28" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Formusoft.Security.Abstractions" Version="4.0.28" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Formusoft.Security.Abstractions" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Formusoft.Security.Abstractions --version 4.0.28
                    


                    

                
#r "nuget: Formusoft.Security.Abstractions, 4.0.28"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Formusoft.Security.Abstractions@4.0.28
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Formusoft.Security.Abstractions&version=4.0.28
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Formusoft.Security.Abstractions&version=4.0.28
                    


                            Install as a Cake Tool

Formusoft.Authentication.Abstractions

Core contracts, models, enums, and options for the Formusoft authentication system.

This package defines the interfaces and shared types used by authentication services and calling applications.

Purpose

This package allows:

  • clean separation between implementation and contracts
  • calling applications to plug in their own persistence and infrastructure
  • testing and mocking of authentication flows
  • reuse across multiple services or APIs

Package Responsibilities

This package defines:

Core Contracts

  • IAuthUser
  • IAuthRepository<TUser>
  • IUserFactory<TUser>
  • IPasswordHasher
  • ITokenService<TUser>
  • ITokenHasher

MFA / Security Contracts

  • IMfaPolicyEvaluator<TUser>
  • IMfaMethodWriter
  • IMfaRecoveryCodeStore
  • ITotpService
  • IEmailSender
  • ISmsSender

Session / Token Contracts

  • IAccessTokenValidationService
  • IAccessTokenDenyList
  • IRequestContext

WebAuthn / Passkey Contracts

  • IWebAuthnService
  • IWebAuthnCredentialStore
  • IWebAuthnChallengeStore

Records / Models

Includes:

  • AuthSession
  • AuthRefreshToken
  • AuthOtpChallenge
  • AuthMfaMethod
  • AuthWebAuthnCredential
  • AuthWebAuthnChallenge

Options

  • AuthenticationOptions
  • JwtTokenOptions
  • MfaOptions
  • OtpOptions
  • RefreshTokenOptions
  • TotpOptions

What YOU Must Implement (Calling App)

At minimum:

IAuthRepository<TUser>
IUserFactory<TUser>
ITokenHasher

If using features:

Feature Required

Email MFA IEmailSender SMS MFA ISmsSender TOTP ITotpService Recovery Codes IMfaRecoveryCodeStore WebAuthn WebAuthn interfaces

WebAuthn Design (Important)

This system is designed so:

  • OTP MFA = Email / SMS / TOTP
  • WebAuthn = separate authentication path

DO NOT treat WebAuthn like an OTP code.

Session Policy

Supports:

  • global option (OneSessionPerUser)
  • override via custom policy

Design Principles

  • repository-driven persistence
  • stateless service layer
  • extensible policies
  • separation of concerns
  • startup-friendly defaults
  1. User model (IAuthUser)
  2. Repository
  3. Password hashing
  4. Token hashing
  5. MFA (optional)
  6. WebAuthn (optional)
  7. Custom policies (optional)

Notes

  • Always protect secrets (use Formusoft.Security)
  • Normalize user identifiers
  • Keep WebAuthn separate from OTP flow
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 is compatible.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

  • .NETFramework 4.6.2

    • No dependencies.

  • .NETStandard 2.0

    • No dependencies.

  • net10.0

    • No dependencies.

  • net6.0

    • No dependencies.

  • net8.0

    • No dependencies.

NuGet packages (2)

Showing the top 2 NuGet packages that depend on Formusoft.Security.Abstractions:

Package Downloads
Formusoft.Security

Implementation of security services such as password hashing, token generation, encryption, and cryptographic utilities.
Formusoft.Authentication

Authentication orchestration and services implementing login flows, MFA handling, session management, and integration with security and persistence layers.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
4.0.28 59 5/31/2026
4.0.27 60 5/28/2026
4.0.26 170 4/29/2026
4.0.25 176 4/29/2026
4.0.24 184 4/25/2026
4.0.23 166 4/25/2026
4.0.22 169 4/25/2026
4.0.21 170 4/25/2026
4.0.20 167 4/25/2026
4.0.19 163 4/24/2026
4.0.18 170 4/24/2026
4.0.17 170 4/23/2026
4.0.16 177 4/23/2026
4.0.15 171 4/23/2026
4.0.14 164 4/23/2026
4.0.13 170 4/22/2026
4.0.12 159 4/22/2026
4.0.11 157 4/22/2026
4.0.10 161 4/22/2026
4.0.9 163 4/20/2026
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