Merge branch 'master' of github.com:r0ket/r0ket

firmware/l0dable/pwgen.c

@@ -0,0 +1,58 @@
+#include "basic/basic.h"
+
+#include "usetable.h"
+
+#define PW_LEN 8
+
+void pw_cleanup(char * pw);
+void pw_set(char * pw, uint16_t * k);
+
+void ram(void)
+{
+	char pw[PW_LEN+1];
+	uint16_t k[8];
+	int button;
+	memset(k, 0, 16);
+	while(1){
+		lcdClear();
+		lcdNl();
+		lcdPrintln(" password");
+		lcdPrintln("    generator");
+		lcdNl();
+		lcdNl();
+		pw_set(pw,k);
+		pw_cleanup(pw);
+		lcdPrint("   ");
+		lcdPrintln(pw);
+		lcdRefresh();
+		delayms(23);
+		while((button=getInputRaw())==BTN_NONE)
+			delayms(23);
+		if(button==BTN_LEFT) return;
+	}
+}
+
+void pw_cleanup(char * pw)
+{
+	int i;
+	for(i=0;i<PW_LEN;i++)
+	{
+		/* strip unwanted ascii chars */
+		pw[i]&=0x7f;
+		if(pw[i]<0x30)pw[i]+=0x30;
+		if(pw[i]>0x7a)pw[i]-=0x10;
+		if((pw[i]>'Z')&&(pw[i]<'a'))
+			pw[i]-=0x10;
+	}
+}
+
+void pw_set(char * pw, uint16_t * k)
+{
+	int i;
+	memset(pw,0,PW_LEN); /* wipe old PW */
+	for(i=0;i<4;i++)
+		k[1]=getRandom();
+	xxtea_encode_words(pw,PW_LEN/4,k);
+	pw[PW_LEN]=0;
+}
+

tools/image/img2lcd.pl

@@ -0,0 +1,72 @@
+#!/usr/bin/perl
+
+# img2lcd.pl - by <sec@42.org> 05/2011, BSD Licence
+#
+# This script converts an image to .lcd format for the r0ket
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Module::Load;
+
+$|=1;
+
+###
+### Runtime Options
+###
+
+my ($verbose);
+
+GetOptions (
+            "verbose"  => \$verbose, # flag
+			"help"     => sub {
+			print <<HELP;
+Uasge: img2lcd.pl [-v]
+
+Options:
+--verbose         Be verbose.
+HELP
+			exit(-1);}
+			);
+
+
+###
+### Code starts here.
+###
+
+my $in=shift || "i42.gif";
+
+my $out=$in;
+$out=~s/\..*/.lcd/;
+
+load GD;
+my $image = GD::Image->new($in);
+
+
+my $w=$image->width;
+my $h=$image->height;
+
+my @img;
+for my $y (0..$h){
+	for my $x (0..$w){
+		my $px= $image->getPixel($x,$y);
+		$img[$x][$y/8]|=$px<<(7-$y%8);
+		if($verbose){
+			$px=~y/01/ */; print STDERR $px;
+		};
+	};
+	if ($verbose){
+		print STDERR "<\n";
+	};
+};
+
+open(F,">",$out)||die "open: $!";
+
+my $hb=int($h/8);
+for my $y (0..$hb){
+	for my $x (0..$w){
+		printf F "%c",$img[$w-$x][$hb-$y];
+	};
+};
+
+close(F);