Task <D2LSecurityToken> IPrivateKeyProvider.GetSigningCredentialsAsync()
{
var creationParams = new CngKeyCreationParameters()
{
ExportPolicy = CngExportPolicies.AllowPlaintextExport,
KeyUsage = CngKeyUsages.Signing
};
byte[] privateBlob;
using (var cngKey = CngKey.Create(m_algorithm, null, creationParams)) {
using (ECDsaCng ecDsa = new ECDsaCng(cngKey)) {
privateBlob = ecDsa.Key.Export(CngKeyBlobFormat.EccPrivateBlob);
}
}
D2LSecurityToken result = m_d2lSecurityTokenFactory.Create(() => {
using (var cng = CngKey.Import(privateBlob, CngKeyBlobFormat.EccPrivateBlob)) {
// ECDsaCng copies the CngKey, hence the using
var ecDsa = new ECDsaCng(cng);
var key = new EcDsaSecurityKey(ecDsa);
return(new Tuple <AsymmetricSecurityKey, IDisposable>(key, ecDsa));
}
});
return(Task.FromResult(result));
}
Task <D2LSecurityToken> IPrivateKeyProvider.GetSigningCredentialsAsync()
{
var ecdsa = ECDsa.Create(m_curve);
var parameters = ecdsa.ExportParameters(includePrivateParameters: true);
D2LSecurityToken result = m_d2lSecurityTokenFactory.Create(() => {
var ecDsa = ECDsa.Create(parameters);
var key = new ECDsaSecurityKey(ecDsa);
return(new Tuple <AsymmetricSecurityKey, IDisposable>(key, ecDsa));
});
return(Task.FromResult(result));
}
Task <D2LSecurityToken> IPrivateKeyProvider.GetSigningCredentialsAsync()
{
RSAParameters privateKey;
using (var csp = new RSACryptoServiceProvider(Constants.GENERATED_RSA_KEY_SIZE)
{
PersistKeyInCsp = false
}) {
privateKey = csp.ExportParameters(includePrivateParameters: true);
}
D2LSecurityToken result = m_d2lSecurityTokenFactory.Create(() => {
var csp = new RSACryptoServiceProvider()
{
PersistKeyInCsp = false
};
csp.ImportParameters(privateKey);
var key = new RsaSecurityKey(csp);
return(new Tuple <AsymmetricSecurityKey, IDisposable>(key, csp));
});
return(Task.FromResult(result));
}
