https://github.com/integrativesoft/crossprotecteddata

A DataProtect wrapper that uses DPAPI in Windows and AspNetCore.DataProtection in other platforms.
https://github.com/integrativesoft/crossprotecteddata

cryptography csharp dpapi encryption protected-data

Last synced: about 1 year ago
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A DataProtect wrapper that uses DPAPI in Windows and AspNetCore.DataProtection in other platforms.

• Host: GitHub
• URL: https://github.com/integrativesoft/crossprotecteddata
• Owner: integrativesoft
• License: mit
• Created: 2020-01-10T19:20:45.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2022-12-24T20:27:31.000Z (over 3 years ago)
• Last Synced: 2025-04-11T23:52:54.098Z (about 1 year ago)
• Topics: cryptography, csharp, dpapi, encryption, protected-data
• Language: C#
• Size: 174 KB
• Stars: 18
• Watchers: 1
• Forks: 4
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# CrossProtectedData ![Download count](https://img.shields.io/nuget/dt/Integrative.CrossProtect.svg)

A replacement for the `ProtectedData` class in NET Standard that works not only in Windows but also Linux/MacOS/others.

This library is a wrapper of `ProtectedData` and exposes the same interface. The difference is the following:

- When running in Windows, it calls directly the original ProtectedData class supported in Windows.

- When running in non-Windows, it implements those calls using instead the AspNetCore.DataProtection library.

There is no need to download this repository. This library is available as a [NuGet package](https://www.nuget.org/packages/Integrative.CrossProtect/).

# Example

```csharp

using Integrative.Encryption;

using System;

using System.Security.Cryptography;

using System.Text;

namespace CrossProtectedExample

{

    class Program

    {

        static void Main(string[] args)

        {

            // our text to protect

            var text = "Hello!";

            // get bytes from text

            var bytes = Encoding.UTF8.GetBytes(text);

            // optional entropy

            var entropy = new byte[] { 100, 25, 31, 213 };

            // protect (encrypt)

            var protectedBytes = CrossProtect.Protect(bytes, entropy,

                DataProtectionScope.CurrentUser);

            // unprotect (decrypt)

            var unprotected = CrossProtect.Unprotect(protectedBytes, entropy,

                DataProtectionScope.CurrentUser);

            // convert bytes back to text

            var result = Encoding.UTF8.GetString(unprotected);

            // print result

            Console.WriteLine(result);

            Console.ReadKey();

        }

    }

}

```