unsafe public string MessageReceiving(string accountName, string protocol, string sender, string message)
{
IntPtr contextp;
IntPtr newmessagep;
int r = OtrApi.otrl_message_receiving(
Handle,
ref ops,
GCHandle.ToIntPtr(GCHandle), // opdata
accountName,
protocol,
sender,
message,
out newmessagep,
IntPtr.Zero,
out contextp,
null,
IntPtr.Zero
);
//Console.WriteLine(r);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
var decryptedMessage = Marshal.PtrToStringAnsi(newmessagep);
OtrApi.otrl_message_free(newmessagep);
return(decryptedMessage);
}
public void UserState()
{
var us = OtrApi.otrl_userstate_create();
Assert.AreNotEqual(us, IntPtr.Zero);
OtrApi.otrl_userstate_free(us);
}
unsafe public string MessageSending(string accountName, string protocol, string recipient, string message)
{
IntPtr contextp;
IntPtr messagep; // this will contain the encrypted message
int r = OtrApi.otrl_message_sending(
Handle,
ref ops,
GCHandle.ToIntPtr(GCHandle), // opdata
accountName,
protocol,
recipient,
InstanceTag.Best,
message,
IntPtr.Zero, //otrltlv
out messagep,
OtrlFragmentPolicy.Skip,
//ref NULL,
out contextp,
null,
IntPtr.Zero
);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
string encryptedMessage = Marshal.PtrToStringAnsi(messagep);
OtrApi.otrl_message_free(messagep);
return(encryptedMessage);
}
public void GeneratePrivateKey(string filename, string accountname, string protocol)
{
int r = OtrApi.otrl_privkey_generate(Handle, filename, accountname, protocol);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
r = OtrApi.otrl_privkey_write_fingerprints(Handle, string.Format("{0}.fingerprints", filename));
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
}
public void Dispose()
{
var handle = Handle;
if (handle == IntPtr.Zero)
{
return;
}
OtrApi.otrl_userstate_free(handle);
}
public IntPtr StartPrivateKeyGeneration(string accountname, string protocol)
{
IntPtr newkeyp;
int r = OtrApi.otrl_privkey_generate_start(Handle, accountname, protocol, out newkeyp);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
Console.WriteLine("calculating");
r = OtrApi.otrl_privkey_generate_calculate(newkeyp);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
return(newkeyp);
}
// TODO: make it not static, put it somewhere useful
unsafe public void HashToHuman(ArraySegment <byte> hash, ArraySegment <byte> human)
{
if (hash.Count < 20)
{
throw new ArgumentException("hash has to be at least 20 bytes long", nameof(hash));
}
if (human.Count < 44)
{
throw new ArgumentException("buffer for the human readable format has to be at least 45 bytes long", nameof(human));
}
fixed(byte *humanp = human.Array)
fixed(byte *hashp = hash.Array)
{
IntPtr humanpointer = (IntPtr)humanp + human.Offset;
IntPtr hashpointer = (IntPtr)hashp + hash.Offset;
OtrApi.otrl_privkey_hash_to_human(humanpointer, hashpointer);
}
}
void CreateInstag(string accountname, string protocol)
{
OtrApi.otrl_instag_generate(Handle, "/dev/null", accountname, protocol);
OtrApi.otrl_instag_write(Handle, string.Format("{0}.instag", accountname));
}
public void InstanceTagsRead(string filename)
{
int r = OtrApi.otrl_instag_read(Handle, filename);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
}
static void Init()
{
var version = Version;
int r = OtrApi.otrl_init((uint)version.Major, (uint)version.Minor, (uint)version.Revision);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
}
public void ReadFingerprints(string filename)
{
int r = OtrApi.otrl_privkey_read_fingerprints(Handle, filename, null, IntPtr.Zero);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
}
public void ReadPrivateKey(string filename)
{
int r = OtrApi.otrl_privkey_read(Handle, filename);
//Console.WriteLine(GCryptApi.MessageFromErrorCode(r));
}
unsafe public bool Fingerprint(ArraySegment <byte> segment, string accountname, string protocol)
{
return(Fill(segment, OtrApi.OTRL_PRIVKEY_FPRINT_HUMAN_LEN - 1, (IntPtr pointer) => OtrApi.otrl_privkey_fingerprint(Handle, pointer, accountname, protocol)));
}
unsafe public bool FingerprintRaw(ArraySegment <byte> segment, string accountname, string protocol)
{
return(Fill(segment, 20, (IntPtr pointer) => OtrApi.otrl_privkey_fingerprint_raw(Handle, pointer, accountname, protocol)));
}
public UserState()
{
Handle = OtrApi.otrl_userstate_create();
GCHandle = GCHandle.Alloc(this);
}
public UserState()
{
Handle = OtrApi.otrl_userstate_create();
}