c-libp2p/include/libp2p/secio/secio.h
2017-02-08 11:08:05 -05:00

39 lines
1 KiB
C

#pragma once
#include "libp2p/crypto/key.h"
#include "libp2p/crypto/rsa.h"
/**
* A secure connection
*/
enum IPTrafficType { TCP, UDP };
struct SecureSession {
// to get the connection started
char* host;
int port;
enum IPTrafficType traffic_type;
// once the connection is established
int socket_descriptor;
struct PublicKey remote_key;
char* remote_peer_id;
// filled in during negotiations
char* chosen_curve;
char* chosen_cipher;
char* chosen_hash;
unsigned char* ephemeral_public_key; // bytes of x and y
size_t ephemeral_public_key_size;
unsigned char* shared_key; // a shared key based off of the ephemeral private key
size_t shared_key_size;
char nonce[16];
struct StretchedKey* stretched_key;
};
/***
* performs initial communication over an insecure channel to share
* keys, IDs, and initiate connection. This is a framed messaging system
* @param session the secure session to be filled
* @returns true(1) on success, false(0) otherwise
*/
int libp2p_secio_handshake(struct SecureSession* session, struct RsaPrivateKey* private_key);