README.md

GeekCrypt - 1st real opensource T-shirt

GeekCrypt - coders fun art project ! its a simple brainfuck example and usual fun 4 geeks! Fully opensource project! used only opensource tools and apps too! This 400 bytes - its a first opensource T-shirt code! Its not a sucks like other! not like just stupid texts like: admin, root@localhost, 127.0.0.1, opensoure, linux .... Its a FIRST REAL OPENSOURCE T-SHIRT, read more about how-to build T-shirt from a scratch!

Art - white on black

black on white

just 400 bytes of pure perl code, 16 lines x 25 rows!

#!/usr/bin/env      perl
# its geekcrypt fork me!
# 1st opensource T-Shirt
# < https://git.io/fj6Cw
@_ = qw/OIZEASbTBG 0-9/;
$_[$_]= "$_[$_]\L$_[$_]"
for 0..1;my$u=$ENV{c}*1;
shift and @_= reverse @_
if $ARGV[0]=~/-r/;sub r{
$u>1?$i++%2:$u}while(<>)
{ eval "tr/$_[0]/$_[1]/"
;s/(\w)/r?uc$1:lc$1/sexg
; print }   ## hyphop ##
__END__  geekcrypt USAGE
./geekcrypt PLAIN_TEXT >
./geekcrypt -r < CRYPTED

yeah Perl still a live! and good as always)

how it works?!

its very easy - just a echo "its my unique text" | ./geekcrypt, output this

175 my un1qu3 73x7

Fork me

Fork me on git*, and make your version of your unique opensource T-shirt.

how-to build opensource T-shirt from a scratch

git clone https://github.com/hyphop/geekcrypt.git
cd geekcrypt
./geekcrypt.decrypt
# text/front.txt - edit this input text file
nano text/front.txt
./geekcrypt.make
# well done!

output Files

• text/crypt.txt - cool crypted text
• pics/geekcrypt.1.svg - front side
• pics/geekcrypt.2.svg - back side
• pics/geekcrypt.1.example.png - front side example
• pics/geekcrypt.2.example.pn - back side example
• pics/geekcrypt.example.png - both side example
• pics - show all files

files

• text - text files
• text/front.txt - (non exist there before run geekcrypt.decrypt) or input your original plain text file ( 8 lines x 16 rows = 128 bytes ) - sure u can chouse any size
• geekcrypt - encrypt / decrypt tool
• tools/txt2svg - text 2 svg converter
• geekcrypt.make - make all - shell script
• geekcrypt.decrypt - decrypt script
• README.md - read me

buid T-shirt front side

tee text/crypt.txt | lpr

1F y0u C4N r34D
7H15. y0u  H4V3
4 933K  6R41n5!
pL3453 cH3Ck My
4n07H3R  51d3 !
7H15  15  460U7
0uR  0P3N50uRc3
7-5h1r7 c0d3 ;)

build T-shirt back side

cat geekcrypt | lpr

Usage

encrypt mode

geekcrypt [files]

decrypt mode

geekcrypt -r [files]

More usage examples

• ./geekcrypt text/front.txt > text/crypt.txt - encrypt file and output to file
• ./geekcrypt -r text/crypt.txt - decrypt file and output to terminal
• echo h1 | ./geekcrypt -r - decrypt pipe input and output to terminal
• echo hi | ./geekcrypt | ./geekcrypt -r | grep hi && echo ok - test
• echo lower case | c=0 ./geekcrypt - encrypt in lower case output
• echo upper case | c=1 ./geekcrypt - encrypt in upper case output
• echo mixed case | c=2 ./geekcrypt - encrypt in mixed case output

Links

• https://git.io/fj6Cw - this page short link | https://bit.ly/2JpS47V
• https://github.com/hyphop/geekcrypt - this page link

Requires

perl, sh, inkscape | ImageMagick tools (convert)

black on white variant

white on black variant

License

LICENSE CC-BY-SA-4.0

Author

## hyphop ##