func CreateKXMessageNACL(context *ackp.SecKey, rnd []byte, peerPubkey, myPrivkey *[32]byte, channel, myNick, peerNick []byte) (out []byte, err error) {
/* lets build our header */
myHdr, intHdr, err := BuildHeader([]byte(msgHdrKX))
if err != nil {
return nil, &acutl.AcError{Value: -1, Msg: "CreateKXMessageNACL().BuildHeader(): ", Err: err}
}
// Open the key
context.RndKey(rnd)
//fmt.Fprintf(os.Stderr, "CREATE KX KEY: %s\n", hex.EncodeToString(context.key[:]))
// first let's compress
myBody, err := acutl.CompressData(context.GetKey())
if err != nil {
return nil, &acutl.AcError{Value: -2, Msg: "CreateKXMessageNACL().CompressData(): ", Err: err}
}
// Close the key
context.RndKey(rnd)
//fmt.Fprintf(os.Stderr, "channel: %s context.bob: %s\n", channel, context.bob)
kx_channel := IsChannelOrPriv(channel, myNick, peerNick)
// XXX i can probably use context.bob instead of a specific channel specification...
//BuildNonceAC(inonce uint32, bob, mynick, myhdr []byte) (nonce []byte, noncebyte *[24]byte, err error)
_, noncebyte, err := BuildNonceKX(context.GetNonce(), kx_channel, myNick, peerNick, myHdr)
//fmt.Fprintf(os.Stderr, "peerpk : %p myprivkey: %p\n", peerPubkey, myPrivkey)
// XXX TODO: need serious cleanup and error checking!!
//fmt.Fprintf(os.Stderr, "body.Bytes(): %p, noncebyte: %p, peerPub: %p myPriv: %p\n", myBody, &noncebyte, peerPubkey, myPrivkey)
cipherKex := box.Seal(nil, myBody, noncebyte, peerPubkey, myPrivkey)
//func packMessageKX(hdr, nonce *uint32, dst, blob *[]byte) (out []byte, err error) {
out, err = packMessageKX(&intHdr, context.GetNonce(), peerNick, cipherKex)
if err != nil {
return nil, &acutl.AcError{Value: -3, Msg: "CreateKXMessageNACL().packMessageKX(): ", Err: err}
}
//context.nonce++
context.IncNonce(0)
return
}