public IContentResponse HandlePasswordSet(NameValueCollection headers, Stream inputStream)
{
INameValueStore store = new RegistryStorage(Settings.RegistryPath);
int contentLen = int.Parse(headers["Content-Length"]);
if (contentLen == 0)
{
using (RSAPrivateKey _temporaryKey = new RSAPrivateKey(2048))
{
store.Write("Transfers", "temp-key", Convert.ToBase64String(_temporaryKey.ToArray()));
return(new DynamicResponse("application/public-key", _temporaryKey.PublicKey.ToArray()));
}
}
string tempkey;
if (contentLen <= 2048 && store.Read("Transfers", "temp-key", out tempkey))
{
byte[] bytes = IOStream.Read(inputStream, contentLen);
using (RSAPrivateKey _temporaryKey = RSAPrivateKey.FromBytes(Convert.FromBase64String(tempkey)))
bytes = _temporaryKey.Decrypt(bytes);
_content.KeyPair.SetServerPassword(bytes);
}
return(DynamicResponse.Empty);
}
public void SetPassword(byte[] passbytes)
{
Check.ArraySize(passbytes, 1, 2048);
Check.Assert <InvalidOperationException>(_passwordRequired && _privateBits != null && _privateKey == null);
try
{
byte[] keybytes;
using (Password pwd = new Password(false, passbytes))
{
pwd.IV = IV.ToByteArray();
keybytes = pwd.Decrypt(_privateBits, Salt.Size.b256);
}
Check.Assert <InvalidDataException>(_privateHash.Equals(Hash.SHA256(keybytes)));
_privateKey = RSAPrivateKey.FromBytes(keybytes);
Check.Assert <InvalidDataException>(_publicHash.Equals(Hash.SHA256(_privateKey.PublicKey.ToArray())));
passbytes = Encryption.CurrentUser.Encrypt(passbytes);
RegistryStorage store = new RegistryStorage(Settings.RegistryPath);
store.Write("CryptoKey", _privateHash.ToString(), Convert.ToBase64String(passbytes));
}
catch (Exception err)
{
Log.Error(err);
throw new InvalidDataException();
}
}
public void TestPrivateKeyExport()
{
RSAPrivateKey pk = new RSAPrivateKey();
string xml = pk.ToXml();
RSAPrivateKey copy = RSAPrivateKey.FromXml(xml);
Assert.AreEqual(xml, copy.ToXml());
byte[] bytes = pk.ToArray();
Assert.AreEqual(596, bytes.Length);
copy = RSAPrivateKey.FromBytes(bytes);
Assert.AreEqual(bytes, copy.ToArray());
copy = RSAPrivateKey.FromParameters(pk.ExportParameters());
Assert.AreEqual(bytes, copy.ToArray());
}