XPost: alt.cypherpunks, alt.privacy.anon-server
* NEWSCARD * Publish and fetch permanent named records via Network News
Newscard creates a decentralized, named record pastebin.
[git repo]
https://codeberg.org/OCTADE/newscard
* NEWSCARD VERSION 0.0.1.D *
* TABLE OF CONTENTS *
1. NEWSCARD INFO
2. NEWSCARD TIPS
3. NEWSCARD HELP AND USAGE
4. NEWSCARD TEST KEYS
5. NEWSCARD SOURCE CODE (xz compressed base64)
6. NEWSCARD SOURCE CODE (plain text)
* 1. NEWSCARD INFO *
Author: Byrl Raze Buckbriar (
https://octade.net) (
news://alt.rhubarb)
Newscard encrypts a local text file and publishes it via NNTP.
The name assigned to the card is the address and passphrase.
Anyone who knows the name or passphrase can retrieve the card.
A very strong passphrase will keep the card content secret.
Newscard uses nine layers of encryption and chain hashes that are
derived from multiple hash streams and large, random salt.
Use 'tuff' mode for very strong encryption passphrases.
Try 'card help' for usage instructions.
User License: Use solely at your own risk. By using this software the user
agrees that the author has zero liability for any loss, harm, or damage.
This software is 'doodleware' and not fit for any commercial purpose.
The user has no rights whatsoever related to the use of this software
or any thing arising from such use. The user must agree to this license
to use the software. There is no support, guarantee, or warranty.
* 2. NEWSCARD TIPS *
Ways you can use newscard include:
1. Publishing and retrieving scripts, sources, and articles with a phrase.
2. Publishing a personal profile others can retrieve with a keyword.
3. Exchanging encrypted messages (using strong keys or 'tuff' mode).
4. Including newscard keys in signatures and articles.
Once published, a newscard remains a permanent record.
* 3. NEWSCARD HELP AND USAGE *
WARNING: Use 'tuff' mode for high security against decryption.
Tuff mode generates cards with high-security, strong passphrases.
Enc mode forces a minimum custom key size and still may be insecure.
Enc mode should be used if you want the public to decrypt the card.
Tuff mode should be used to prevent the public from reading the card.
show this help message : card help
show some tips and use cases : card tips
show author and license info : card info
generate highly secure news card : card tuff [path|file]
generate news card via password : card enc [passphrase] [path|file]
fetch card from network : card get [passphrase]
publish card to network : card put [passphrase]
read text of local news card : card show [passphrase]
list stored cards by folder : card list [draft|queue|inbox|sent]
Author: Byrl Raze Buckbriar (
https://octade.net) (
news://alt.rhubarb)
* 4. NEWSCARD TEST KEYS *
Users may test the Newscard application by fetching these cards by key:
sample1 | sample2 | sample3 | octade | newscard0
To fetch a card use the command: card get [key].
Examples below can be tried for cards that are already on the network:
$~: card get newscard
$~: card get 8
$~: card get sample1
* 5. NEWSCARD SOURCE CODE (xz compressed base64) *
(commands to decompress: cat | base64 -d | unxz)
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6. NEWSCARD SOURCE CODE (plain text)
#!/usr/bin/env bash
# NEWSCARD VERSION 0.0.1.D - Use subject to license included below.
# ▄▄▄ ▄▄▄ ▄▄▄ ▄▄▄ ▄▄ ▄▄▄
# █ █ █ █ █ █ █ █ █▄▄ Byrl Raze Buckbriar # █▄█ █▄▄ █ █▀█ █▄▀ █▄▄
https://octade.net
# warning: this is a 'D' version for DOODLE. It is likely to have eventual regression in the key generation and card schema format--that breaks backward compatibility. The purpose of the doodle version is to test and generate feedback for improvement.
Expect a final regression rendering existing newscards inaccessible to the final version.
# zombies: some unused code and paths here for future features. sections labeled 'zombie'.
# INSTALL: Copy to $PATH and make executable (chmod u+x).
# BEGIN.NEWSCARD
DIE() { echo "$@" && exit 0 ; }
ERR() { echo "CARD: ERR: $@" 1>&2 && exit 1 ; }
check_deps() {
deps="tor bash b2sum base64 echo fold grep head less nc openssl shuf tail tee tr whoami xxd xz"
for prog in $deps
do
[[ $(which $prog) == '' ]] && ERR "[DEP1] Program ($prog) not found." && exit 1 done
}
check_deps
HELPTEXT="* NEWSCARD HELP AND USAGE *
WARNING: Use 'tuff' mode for high security against decryption.
Tuff mode generates cards with high-security, strong passphrases.
Enc mode forces a minimum custom key size and still may be insecure.
Enc mode should be used if you want the public to decrypt the card.
Tuff mode should be used to prevent the public from reading the card.
show this help message : card help
show some tips and use cases : card tips
show author and license info : card info
generate highly secure news card : card tuff [path|file]
generate news card via password : card enc [passphrase] [path|file]
fetch card from network : card get [passphrase]
publish card to network : card put [passphrase]
read text of local news card : card show [passphrase]
list stored cards by folder : card list [draft|queue|inbox|sent]
Author: Byrl Raze Buckbriar (
https://octade.net) (
news://alt.rhubarb)"
TIPSTEXT="* NEWSCARD TIPS *
Ways you can use newscard include:
1. Publishing and retrieving scripts, sources, and articles with a phrase.
2. Publishing a personal profile others can retrieve with a keyword.
3. Exchanging encrypted messages (using strong keys or 'tuff' mode).
Once published, a newscard remains a permanent record."
INFOTEXT="* NEWSCARD INFO *
Author: Byrl Raze Buckbriar (
https://octade.net) (
news://alt.rhubarb)
Newscard encrypts a local text file and publishes it via NNTP.
The name assigned to the card is the address and passphrase.
Anyone who knows the name or passphrase can retrieve the card.
A very strong passphrase will keep the card content secret.
Newscard uses nine layers of encryption and chain hashes that are
derived from multiple hash streams and large, random salt.
Use 'tuff' mode for very strong encryption passphrases.
Try 'card help' for usage instructions.
User License: Use solely at your own risk. By using this software the user
agrees that the author has zero liability for any loss, harm, or damage.
This software is 'doodleware' and not fit for any commercial purpose.
The user has no rights whatsoever related to the use of this software
or any thing arising from such use. The user must agree to this license
to use the software. There is no support, guarantee, or warranty."
show_help() { DIE "$HELPTEXT" ; } # FIN.
show_info() { DIE "$INFOTEXT" ; } # FIN.
show_tips() { DIE "$TIPSTEXT" ; } # FIN.
# non-global variables: session
# global variables : TODO : zombies for future features
declare -g arg1 arg2 arg3 arg4 arglen
declare -g pp1 pp2 passphrase hash msgid subid keyid
declare -g filename mode flag article msg newmsg mray stripcard
declare -g nzconf nzlogs nzmani nzpath nzprox nzqqqq zdraft narxiv nzread nzsent nzserv nzuser nzwarn
declare -g iter=() salt=() hashphrase=()
declare -g x inum bigsalt encsalt
declare -g newserv port logfile logtrunc
declare -g config_data proxy_data warn_data
declare -g prefix version
declare -g cip pak
declare -g listfolder
prefix="NEWSCARD"
version="0.0.1.D"
arglen=${#@}
# push command arguments to global variables
arg1="$1" ; arg2="$2" ; arg3="$3" ; arg4="$4"
# exit if too many arguments found
[[ "$arg4" != '' ]] && ERR "[ARG4] Too many arguments. Try mode 'help'."
[[ $arglen -gt 3 ]] && ERR "[ARG3] Too many arguments. Try mode 'help'." # edge case zombie code
mode=$arg1 # arg1 must always be a valid mode selector word
set_mode() {
# zombie : future refactoring, so some of these modes are not enabled
# valid modes : enc, dec, get, put, show, list, delete, put_unencrypted, save, export, help
# read the first command argument
[[ "$mode" == "help" ]] && show_help
[[ "$mode" == "info" ]] && show_info
[[ "$mode" == "tips" ]] && show_tips
[[ "$mode" == "enc" ]] && flag='true'
[[ "$mode" == "tuff" ]] && flag='true'
[[ "$mode" == "dec" ]] && flag='true'
[[ "$mode" == "get" ]] && flag='true'
[[ "$mode" == "put" ]] && flag='true'
[[ "$mode" == "show" ]] && flag='true'
[[ "$mode" == "list" ]] && flag='true'
#[[ "$mode" == "delete" ]] && flag='true' # zombie
#[[ "$mode" == "put_unencrypted" ]] && flag='true' # zombie
#[[ "$mode" == "save" ]] && flag='true' # zombie
#[[ "$mode" == "export" ]] && flag='true' # zombie
#[[ "$mode" == "pix" ]] && flag='true' # zombie
#[[ "$mode" == "send" ]] && flag='true' # zombie
# check for a valid mode before continuing
[[ "$flag" != 'true' ]] && ERR "[FLAG1] Invalid mode selection ($mode) or wrong # of arguments. Try mode 'help'."
# check for correct number of commandline arguments for mode
[[ "$mode" == "enc" ]] && [[ $arglen -ne 3 ]] && flag='false'
[[ "$mode" == "tuff" ]] && [[ $arglen -ne 2 ]] && flag='false'
[[ "$mode" == "dec" ]] && [[ $arglen -ne 2 ]] && flag='false'
[[ "$mode" == "get" ]] && [[ $arglen -ne 2 ]] && flag='false'
[[ "$mode" == "put" ]] && [[ $arglen -ne 2 ]] && flag='false'
[[ "$mode" == "show" ]] && [[ $arglen -ne 2 ]] && flag='false'
[[ "$mode" == "list" ]] && [[ $arglen -ne 2 ]] && flag='false'
# zombie : future refactoring
#[[ "$mode" == "delete" ]] && [[ $arglen -ne 2 ]] && flag='false' # zombie
#[[ "$mode" == "put_unencrypted" ]] && [[ $arglen -ne 3 ]] && flag='false' # zombie
#[[ "$mode" == "save" ]] && [[ $arglen -ne 3 ]] && flag='false' # zombie
#[[ "$mode" == "export" ]] && [[ $arglen -ne 2 ]] && flag='false' # zombie
#[[ "$mode" == "pix" ]] && [[ $arglen -ne 2 ]] && flag='false' # zombie
[[ "$flag" == 'false' ]] && ERR "[FLAG2] Wrong # of arguments for mode ($mode). Try mode 'help'."
# copy command argument parameters to variables based upon mode
[[ "$mode" == "enc" ]] && passphrase=$arg2 && filename=$arg3 # && echo $arg3 && echo $filename && exit
[[ "$mode" == "tuff" ]] && passphrase='' && filename=$arg2 # && echo $arg3 && echo $filename && exit
[[ "$mode" == "dec" ]] && passphrase=$arg2
[[ "$mode" == "get" ]] && passphrase=$arg2
[[ "$mode" == "put" ]] && passphrase=$arg2 && filename=$arg3
[[ "$mode" == "show" ]] && passphrase=$arg2
# zombie : future refactoring
#[[ "$mode" == "delete" ]] && passphrase=$arg2 # zombie
#[[ "$mode" == "put_unencrypted" ]] && passphrase=$arg2 && filename=$arg3 # zombie
#[[ "$mode" == "save" ]] && passphrase=$arg2 && filename=$arg3 # zombie
#[[ "$mode" == "export" ]] && passphrase=$arg2 && filename=$arg3 # zombie
#[[ "$mode" == "pix" ]] && exit # zombie
}
set_mode # TODO need to position so it can be removed from functions below
check_filename() { # TODO refactor or delete since filename is passed now
# read file path to variable if mode includes file
[[ ! -f $filename ]] && ERR "[FILE1] File not found." && exit 1
}
check_filesize() { # TODO refactor or delete since filename is passed now
# read file path to variable if mode includes file
[[ ! -f $filename ]] && ERR "[FILE2] File not found." && exit 1
filesize=$(cat "$filename" | wc -c | tr -dc 0-9)
[[ $filesize -gt 65536 ]] && ERR "[SIZE1] File size ($filesize) exceeds maximum (65536 bytes)." && exit 1
}
check_newscard_exists() { # TODO : zombie
# read file path to variable if mode includes file
[[ -f "$zdraft/$passphrase" ]] && ERR "[CNE1] A draft card already exists for this passphrase." && exit 1
[[ -f "$zinbox/$passphrase" ]] && ERR "[CNE2] A inbox card already exists for this passphrase." && exit 1
[[ -f "$nzqqqq/$passphrase" ]] && ERR "[CNE3] A queue card already exists for this passphrase." && exit 1
[[ -f "$nzsent/$passphrase" ]] && ERR "[CNE4] A sent card already exists for this passphrase." && exit 1
[[ -f "$narxiv/$passphrase" ]] && ERR "[CNE5] An archive card already exists for this passphrase." && exit 1
[[ -f "$nzhist/$passphrase" ]] && ERR "[CNE6] An history card already exists for this passphrase." && exit 1
# TODO : add method to check history and confirmed publish lists
}
# network connections - for now only torconn is used to force privacy.
# zombie : future refactoring
sslconn() {
logfile=$nzconn
openssl s_client -quiet -connect $newserv:$port >> $logfile 2>&1 # TODO : s_client info mucks up parsing
logtrunc=$(cat "$logfile" | tail -n 4096)
echo "$logtrunc" > "$logfile"
}
# zombie : future refactoring
telconn() {
nc $newserv $port >> $logfile 2>&1 # s_client info mucks up parsing logtrunc=$(cat "$logfile" | tail -n 4096)
echo "$logtrunc" > "$logfile"
} # TODO zombie code
torconn() {
# TODO : add authentication credential parsing
logfile=$nzconn
newserv=$(cat $nzserv | grep -v '#' | grep ':server:' | tail -n 1 | cut -d ':' -f3- | tr -d ' ')
port=$(cat $nzserv | grep -v '#' | grep ':port:' | tail -n 1 | cut -d ':' -f3- | tr -d ' ')
timeout 20 torsocks openssl s_client -quiet -verify_quiet -connect $newserv:$port | tee -a $logfile # 2>/dev/null # 2>&1 # TODO : s_client info mucks up parsing
logtrunc=$(cat "$logfile" | tail -n 4096)
echo "$logtrunc" > "$logfile"
}
# Check for config directory. Create directory and missing config files. set_conf_data() {
config_data=":server: paganini.bofh.team
:port: 563
# username:
# password:
"
echo "$config_data" > $nzserv
}
set_prox_data() {
# TODO : zombie
proxy_data="# host: 127.0.0.1
# port: 9050
"
echo "$proxy_data" > $nzprox
}
set_warn_data() {
warn_data="
--------------------------------
WARNING! README! INSTRUCTIONS!
--------------------------------
This folder contains the configuration files for the newscard application.
If you do not know exactly what you are doing then you should not change
any of these files. If you change the files in this folder you may break
the application and cause errors or data loss. The file names are cipher
keys and thus changing the file names will make decryption impossible.
The program author WILL NOT respond to requests regarding broken configuration. The only way to fix a broken configuration is to re-install the program. This will likely result in the loss of all data. Back up your keycard passphrases and files regularly to prevent losing access to your files.
----------------------------------
ABOUT THESE CONFIGURATION FOLDERS
----------------------------------
config : configuration files (see below)
draft : unpublished newscards
inbox : downloaded newscards
queue : newscards waiting to be sent
sent : published newscards
archive : archived newscards (not shown via inbox view)
---------------------------------
ABOUT THESE CONFIGURATION FILES
---------------------------------
newscard.server : NNTP server settings
newscard.proxy : proxy settings
newscard.manifest : component configuration data
newscard.log : activity and error logs
"
echo "$warn_data" > $nzwarn
echo "$warn_data" > $nzread
}
set_nzpaths() {
# Set paths for functions to write and read files
nzuser=$(whoami)
nzpath="/home/$nzuser/.newscard"
# Message directories
nzsent="$nzpath/sent"
zinbox="$nzpath/inbox"
nzqqqq="$nzpath/queue"
zdraft="$nzpath/draft"
narxiv="$nzpath/archive"
nzhist="$nzpath/history"
# Configuration files
nzconf="$nzpath/config"
nzserv="$nzconf/newscard.server"
nzprox="$nzconf/newscard.proxy"
nzmani="$nzconf/newscard.manifest"
nzlogs="$nzconf/newscard.log"
nzconn="$nzconf/connect.log"
# Warning files
nzread="$nzpath/WARNING.README"
nzwarn="$nzconf/WARNING.README"
}
# zombie : future refactoring
create_config() {
[[ ! -d $nzpath ]] && mkdir $nzpath && chmod 0700 $nzpath
[[ ! -d $nzconf ]] && mkdir $nzconf && chmod 0700 $nzconf
[[ ! -f $nzserv ]] && set_conf_data && chmod 0600 $nzserv
[[ ! -f $nzmani ]] && touch $nzmani && chmod 0600 $nzmani
[[ ! -f $nzlogs ]] && touch $nzlogs && chmod 0600 $nzlogs
[[ ! -f $nzconn ]] && touch $nzconn && chmod 0600 $nzconn
[[ ! -f $nzprox ]] && set_prox_data && chmod 0600 $nzprox
[[ ! -d $nzsent ]] && mkdir $nzsent && chmod 0700 $nzsent
[[ ! -d $zinbox ]] && mkdir $zinbox && chmod 0700 $zinbox
[[ ! -d $zdraft ]] && mkdir $zdraft && chmod 0700 $zdraft
[[ ! -d $nzqqqq ]] && mkdir $nzqqqq && chmod 0700 $nzqqqq
[[ ! -d $narxiv ]] && mkdir $narxiv && chmod 0700 $narxiv
[[ ! -d $nzhist ]] && mkdir $nzhist && chmod 0700 $nzhist
[[ ! -f $nzwarn ]] && set_warn_data && chmod 0600 $nzwarn
}
set_list_paths() {
# Set paths for functions to write and read files
nzuser=$(whoami)
nzpath="/home/$nzuser/.newscard"
# Message directories (zombie)
nzsent="$nzpath/sent"
zinbox="$nzpath/inbox"
nzqqqq="$nzpath/queue"
zdraft="$nzpath/draft"
narxiv="$nzpath/archive"
nzhist="$nzpath/history"
}
check_config_folder() {
nzpath="/home/code/.newscard"
[[ ! -d $nzpath ]] && echo "Newscard config not found at '$nzpath'. Creating config now." && set_nzpaths && create_config
}
# Create configuration if not present.
check_config_folder
check_passphrase() {
passphrase=$arg2 # arg vars work but passphrase global doesn't work pp1="$passphrase"
pp2=$(echo "$pp1" | tr -dc A-Za-z0-9.@#+=_\\-~)
[[ "$pp1" != "$pp2" ]] && ERR "[PP12] Invalid passphrase. Valid characters are 'A-Za-z0-9.@#+=_-~'."
[[ ${#pp1} -gt 255 ]] && ERR "[PP255] Invalid passphrase. Passphrase must be less than 255 chars."
}
# Extra random generation for salts.
ts() {
echo "$(date +%N)$(date +%N)$(date +%N)$(date +%N)" | fold -w 1 | shuf | tr -dc 0-9
}
timestamp() {
echo $(ts)$(ts)$(ts)$(ts)$(ts)$(ts)$(ts)$(ts) | fold -w 1 | shuf | tr -dc 0-9
}
minesalt() {
bigsalt=$(timestamp)
bigsalt=$(head -c 2048 /dev/urandom | xxd -p | fold -w 1 | shuf -n 1023 | sivhex | trisum)$bigsalt
bigsalt=$(echo -n "$bigsalt" | fold -w 1 | shuf | sivhex | trisum)
}
# encoding and conversion functions (some zombie code for future refactoring) enchex() { xxd -p -r ; }
dechex() { xxd -p -c 0 ; }
encb64() { base64 -w 0 ; }
decb64() { base64 -d ; }
sivhex() { tr -dc a-f0-9 ; } # clean hashes of non-hex chars
sivb62() { tr -dc A-Za-z0-9 ; }
smoosh() { xz -q -F raw ; }
unmash() { xz -d -q -F raw ; }
bzoosh() { bzip2 -q ; } # better small file compression on single core
b64toz() { tr '=' '@' | tr '+' '#' | tr '/' '$' ; }
ztob64() { tr '@' '=' | tr '#' '+' | tr '$' '/' ; }
fmtmsg() { fold -w 13 | tr '\n' ' ' | fold -w 71 ; }
# chain hash stream without for loops
beesum() { b2sum ; }
onesum() { beesum | sivhex ; }
trisum() { onesum | onesum | onesum ; }
ninsum() { trisum | trisum | trisum ; }
bigsum() { ninsum | ninsum | ninsum ; } # chain hash 81x to resist search
# global hash stream
nexsum() { hash=$(echo -n $hash | trisum) ; }
# generate NNTP Message-ID
gen_msgid() { # mast pass global to this function
# generate base62 message-id to identify either message or file
# communicants can use a custom secret keyid here for out-of band security keyid="$msgid" # newscard.default.keyid (change for secret networks) msgid="$keyid$msgid$keyid" # never change this!
# any change in this method will regress fetch of all prior newscards
# this must be done before forking the hash stream with big salt
msgid=$(echo -n "$msgid$msgid$msgid" | bigsum) # clone expand msgid msgid=$(echo -n $msgid | xxd -p -r | base64 -w 0 | sivb62 | tail -c 43) subid=$msgid # for the NNTP subject header
msgid="<$
msgid@news.card>"
}
# read the user-supplied passphrase and save for later naming and decryption get_pass_hash() {
hash="$passphrase"
}
# superencryption routine using 9 keys and 9 salts.
generate_credentials() {
# declare some sets
iter=() ; salt=() ; hashphrase=()
# get encryption params for bigsalt before we salt and fork the hash stream nexsum ; salt[0]=${hash:0:16}
nexsum ; hashphrase[0]=$hash
nexsum
inum=${hash:0:3}
inum=$(printf '%d' 0x$inum)
inum=$((10#$inum))
iter[0]=$((16384+inum))
# SALT MODES : if mode generate mix random big salt only in encrypt mode
[[ "$mode" == 'enc' ]] && bigsalt=$(head -c 1023 /dev/urandom | xxd -p | fold -w 1 | shuf -n 1023 | sivhex | trisum)
[[ "$mode" == 'tuff' ]] && bigsalt=$(head -c 64 /dev/urandom | xxd -p -c 0 | tr -dc a-f0-9) # careful not to advance keygen
[[ "$mode" == 'dec' ]] && dec_salt
[[ "$mode" == 'show' ]] && dec_salt
# combine random salt with passphrase
hash="$hash$bigsalt"
# encrypt the salt for the output message
# derive pseudorandom cipher iterations
for x in {1..9}
do
nexsum
inum=${hash:0:3}
inum=$(printf '%d' 0x$inum)
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--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)