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@charlesportwoodii charlesportwoodii released this 09 Oct 20:42
· 10 commits to master since this release
1.0.15.1
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charlesportwoodii Charles R. Portwood II
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1.0.15.1 Release

libsodium-uwp is a Universal Windows Runtime Component that exposes the libsodium library to both desktop and mobile universal windows applications.

What's New?

  • Adds support for Secret Streams.

    // Starting on the sender
// Create a new key
var key = Sodium.SecretStream.GenerateKey();
// Create a new header
var header = Sodium.SecretStream.GenerateHeader();

// Create a new stream in PUSH mode to push new messages onto the stream.
var encrypter = new Sodium.SecretStream(key, header, Sodium.SecretStream.MODE_PUSH);

var message1 = "Hello, World!";
var message2 = "{ \"json\": \"data\" }";

var ciphertext1 = encrypter.Push(message1);
var ciphertext2 = encrypter.Push(message2, Sodium.SecretStream.TAG_FINAL);

// On the peer, create a PULL stream, and pull in the stream as it comes in from the peer and decrypt it
var decrypter = new Sodium.SecretStream(key, header, Sodium.SecretStream.MODE_PULL);
// System.Text.Encoding.UTF8.GetBytes(message1) == d1
var d1 = decrypter.Pull(ciphertext1);
// System.Text.Encoding.UTF8.GetBytes(message2) == d2
var d2 = decrypter.Pull(ciphertext2, Sodium.SecretStream.TAG_FINAL);

See https://github.com/charlesportwoodii/libsodium-uwp/blob/1.0.15.1/docs/SecretStream.md and https://download.libsodium.org/doc/secret-key_cryptography/secretstream.html for more information on Secret Streams.

Installation

  1. Install from Nuget

    Install-Package libsodium-uwp

  2. Add the following to your Package.appxmanifest file.

    <Extensions>
    <Extension Category="windows.activatableClass.inProcessServer">
        <InProcessServer>
            <Path>libsodium-uwp.dll</Path>
            <ActivatableClass ActivatableClassId="Sodium.Core" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.CryptoHash" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.GenericHash" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.GenericHashAlgorithmProvider" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.GenericHashAlgorithmNames" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.KDF" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.KeyPair" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.OneTimeAuth" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.PasswordHash" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.PublicKeyAuth" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.PublicKeyBox" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.ScalarMult" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.SealedPublicKeyBox" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.SecretBox" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.SecretKeyAuth" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.SecretAead" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.SecretStream" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.ShortHash" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.StreamEncryption" ThreadingModel="both" />
            <ActivatableClass ActivatableClassId="Sodium.Utilities" ThreadingModel="both" />
        </InProcessServer>
    </Extension>
</Extensions>

Package Verification

The following hashes are made available so you can verify the authenticity of this package both on Github and Nuget.

md5: c79cdaf054fe9eddd0ceb1e0bd6fe567  libsodium-uwp.1.0.151.nupkg
sha1: 2e0848f3ae2eebf6e48f03f1dfa9a930ff16c7e4  libsodium-uwp.1.0.151.nupkg
sha256: 0666fe5effd11e7229cd51e7b0c648a4728493c064e661f7a00f2e69b4877d71  libsodium-uwp.1.0.151.nupkg
md5: ebf4904e66c8a9b8184d8e284688d322  libsodium-uwp.1.0.151.symbols.nupkg
sha1: b8a645b640c704a9ddd9389780c444e2df59e330  libsodium-uwp.1.0.151.symbols.nupkg
sha256: bd7ca4f9c41deb6f8a782a40101a208426b5c5e835a44e6955eb675494def7db  libsodium-uwp.1.0.151.symbols.nupkg

The Nuget package is also signed so you can verify the authenticity of this package.

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