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mesh
zzz: what exactly is the purpose of PrivateKeyFile?
mesh
alright so Destination.writeBytes certainly does not do what I thought it does
zzz
w00ty w00t we're getting back into debian
zzz
mesh, PKF is to store private keys :)
eche|off
ohh, good with Debian
zzz
only 0.9.48 again, but baby steps, I found the right mailing linst
eche|off
:-)
mesh
zzz: hey? Can I ask you about PrivateKeyFile?
zzz
shoot
mesh
zzz: what is the right way to turn the keystream created by I2PClient.createDestination back into a Destination?
mesh
I noticed this ctor in PrivateKeyFile:
mesh
public PrivateKeyFile(InputStream in) throws I2PSessionException { this("/dev/null"); I2PSession s = this.client.createSession(in, new Properties()); this.dest = s.getMyDestination();
mesh
this.privKey = s.getDecryptionKey();
mesh
this.signingPrivKey = s.getPrivateKey();
mesh
}
mesh
is that the right way? To actually create an I2PSession?
zzz
that's a low-level way to do it, yes
mesh
zzz: is there a better way?
zzz
for a socket-oriented app, you'll want to use the higher-level I2PSocketManagerFactory
zzz
which creates a session underneath
mesh
zzz: what method in I2PSocketManager takes a keystream and returns the Destination?
zzz
several methods take an input stream. all methods return a I2PSocketManager, from there you can get the session and the destination
mesh
oh you're talking about the factory class, the I2PSocketManagerFactory
zzz
if you don't want a session, you just want to "know" what the destination is, you can use Destination.readBytes(InputStream)
zzz
right
zzz
you can only make a I2PSocketManager via the factory
zzz
it's just an interface
mesh
I see, so the expected behavior is people should save KeyStreams and then use them to create I2PSocketManagers
mesh
zzz: if I do use I2PClient.createSession(InputStream) ... are there any side effects? This doesn't actually connect to the router? Can I just call I2PSession.destroySession and then discard the Session once I have the Destination?
zzz
that would be a little messy. If you just want to get a destination from the keystream, use Destination.readBytes()
mesh
zzz: that is guaranteed to always work, even with stuff like encrypted leasesets?
zzz
if you want a persistent destination, save the keystream to a file, then feed it back to the socket manager factory every time you start up
zzz
yes guaranteed, destinations are not leasesets, you need to know your own destination, LS encryption happens somewhere else
mesh
zzz: yeah I figured that out eventually. I think I need to know my Destination before I actually create the I2PSocketManager and connect so I'll give Destination.readBytes a shot.
mesh
zzz: the Certificate parameter is interesting. Is there any example code out there that shows how to create Certs?
zzz
you don't want to do that, you want to specify a sig type
mesh
zzz: wouldn't the Certificate be useful to prove that I own a Destination?
zzz
no, that's not how it works
mesh
ah ok.
zzz
you're thinking of X509 certificates. Certificates in Destinations are something else entirely
zzz
net.i2p.data.Certificate, not java.security.Certificate
mesh
zzz: ok. Do you think it's a good idea to listen for connections (be a server) and also connect to other peers (be a client) using the same I2PSocketManager?
zlatinb
that's what I do in muwire
zzz
that's the common paradigm for a peer-to-peer application. For a non-p2p app, it depends on the threat model
mesh
zlatinb: you use a single SocketManager as a server and a client?
zlatinb
yes
mesh
ok, thanks, good to know
mesh
my goal is to have multiple services (listening on different "ports") and clients share the same SocketManager but I was worried about threading and stuff like that
RN
Is this error worth looking into? -
RN
ERROR [CP Reader 25] .client.ClientConnectionRunner: Disconnecting the client - java.io.EOFException: EOF reading 4 byte value