public async Task SignSampleDocument()
{
// an example document to sign
var document = JObject.Parse(@"{
'id': 'Alice'
}");
// signer key
var key = Ed25519VerificationKey2018.Generate();
// create proof
var signedDocument = await LdSignatures.SignAsync(
document,
new ProofOptions
{
Suite = new Ed25519Signature2018
{
Signer = key,
VerificationMethod = key.Id
},
Purpose = new AssertionMethodPurpose()
});
Console.WriteLine(signedDocument.ToString(Formatting.Indented));
}
public void GenerateRandomKey()
{
var method = Ed25519VerificationKey2018.Generate();
Assert.NotNull(method);
Assert.NotNull(method.PublicKeyBase58);
Assert.NotNull(method.PrivateKeyBase58);
Assert.Equal(Ed25519VerificationKey2018.Name, method.TypeName);
}
public void VerifyPayload()
{
var method = Ed25519VerificationKey2018.Generate();
var payload = (ByteArray)Encoding.UTF8.GetBytes("my message");
var signature = method.Sign(payload);
var verified = method.Verify(signature, payload);
Assert.True(verified);
}
public void SignPayload()
{
var method = Ed25519VerificationKey2018.Generate();
var payload = Encoding.UTF8.GetBytes("my message");
var signature = method.Sign((ByteArray)payload);
Assert.NotNull(signature);
Assert.Equal(Chaos.NaCl.Ed25519.SignatureSizeInBytes, signature.Length);
}