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* [nncp-devel] NNCP 0.2 release announcement
@ 2017-01-17  8:21 Sergey Matveev
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From: Sergey Matveev @ 2017-01-17  8:21 UTC (permalink / raw)
  To: nncp-devel

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I am pleased to announce NNCP 0.2 release availability!

NNCP (Node to Node copy) is a collection of utilities simplifying
secure store-and-forward files and mail exchanging.

This utilities are intended to help build up small size (dozens of
nodes) ad-hoc friend-to-friend (F2F) statically routed darknet networks
for fire-and-forget secure reliable files, file requests and Internet
mail transmission. All packets are integrity checked, end-to-end
encrypted (E2EE), explicitly authenticated by known participants public
keys. Onion encryption is applied to relayed packets. Each node acts
both as a client and server, can use push and poll behaviour model.

Out-of-box offline sneakernet/floppynet, dead drops and air-gapped
computers support. But online TCP daemon with full-duplex resumable data
transmission exists.

------------------------ >8 ------------------------

Thanks to Shawn K. Quinn for his feedback and Ubuntu building

The main improvements for that release are:

* *Incompatible* packet's format change (magic number is changed too):
  size field is encrypted and is not send in plaintext anymore.
* -minsize option gives ability to automatically pad outgoing packets to
  specified minimal size.
* nncp-daemon and nncp-call/nncp-caller always check new tx packets
  appearance in the background while connected. Remote side is
  immediately notified.
* -onlinedeadline option gives ability to configure timeout of
  inactivity of online connection, when it could be disconnected. It
  could be used to keep connection alive for a long time.
* -maxonlinetime option gives ability to set maximal allowable online
  connection aliveness time.
* nncp-caller command appeared: cron-ed TCP daemon caller.
* nncp-pkt command can decompress the data.

------------------------ >8 ------------------------

NNCP's home page is:

Source code and its signature for that version can be found here: (740 KiB)

SHA256 hash: 00BEAC5A 0C4083B0 42E3152B ACA6FF20 12768B82 CE24D716 8E04279C ECE14DB7
GPG key ID: 0x2B25868E75A1A953 NNCP releases <releases@nncpgo•org>
Fingerprint: 92C2 F0AE FE73 208E 46BF  F3DE 2B25 868E 75A1 A953

Please send questions regarding the use of NNCP, bug reports and patches
to mailing list:

Sergey Matveev (
OpenPGP: CF60 E89A 5923 1E76 E263  6422 AE1A 8109 E498 57EF

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