Cleanup

peer/crypto.go

@@ -1,22 +0,0 @@
-package peer
-
-import (
-	"golang.org/x/crypto/nacl/box"
-)
-
-func encryptPacket(sharedKey, nonce, packet, out []byte) []byte {
-	out = box.SealAfterPrecomputation(out[:0], packet, (*[24]byte)(nonce), (*[32]byte)(sharedKey))
-	return append(out, nonce...)
-}
-
-func decryptPacket(sharedKey, packet, out []byte) (decrypted []byte, ok bool) {
-	cut := len(packet) - NONCE_SIZE
-	decrypted, ok = box.OpenAfterPrecomputation(out[:0], packet[:cut], (*[24]byte)(packet[cut:]), (*[32]byte)(sharedKey))
-	return decrypted, ok
-}
-
-func computeSharedKey(peerPubKey, privKey []byte) []byte {
-	shared := [32]byte{}
-	box.Precompute(&shared, (*[32]byte)(peerPubKey), (*[32]byte)(privKey))
-	return shared[:]
-}