From a875cd62ff0638897c05ef0aefd6718ebca6e4a1 Mon Sep 17 00:00:00 2001
From: Stefan `Sec` Zehl <sec@42.org>
Date: Thu, 4 Aug 2011 21:49:33 +0200
Subject: [PATCH 1/3] add pwgen from mazzoo

---
 firmware/l0dable/pwgen.c | 55 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 firmware/l0dable/pwgen.c

diff --git a/firmware/l0dable/pwgen.c b/firmware/l0dable/pwgen.c
new file mode 100644
index 0000000..81575ef
--- /dev/null
+++ b/firmware/l0dable/pwgen.c
@@ -0,0 +1,55 @@
+#include "basic/basic.h"
+
+#include "usetable.h"
+
+#define PW_LEN 8
+
+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;
+}
+

From 728132920601f14e956ff32eaf442c002071b1d6 Mon Sep 17 00:00:00 2001
From: Stefan `Sec` Zehl <sec@42.org>
Date: Thu, 4 Aug 2011 21:58:33 +0200
Subject: [PATCH 2/3] Fix pointer bug. Shouldn't 've worked before

---
 firmware/l0dable/pwgen.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/firmware/l0dable/pwgen.c b/firmware/l0dable/pwgen.c
index 81575ef..329f6c5 100644
--- a/firmware/l0dable/pwgen.c
+++ b/firmware/l0dable/pwgen.c
@@ -4,6 +4,9 @@
 
 #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];
@@ -17,7 +20,7 @@ void ram(void)
 		lcdPrintln("    generator");
 		lcdNl();
 		lcdNl();
-		pw_set(pw,&k);
+		pw_set(pw,k);
 		pw_cleanup(pw);
 		lcdPrint("   ");
 		lcdPrintln(pw);

From 23eb8775013fffca0791538656d4920b4a2e0636 Mon Sep 17 00:00:00 2001
From: Stefan `Sec` Zehl <sec@42.org>
Date: Thu, 4 Aug 2011 22:58:36 +0200
Subject: [PATCH 3/3] Simple image converter and sample image

---
 tools/image/img2lcd.pl  |  72 ++++++++++++++++++++++++++++++++++++++++
 tools/image/src/i42.gif | Bin 0 -> 340 bytes
 2 files changed, 72 insertions(+)
 create mode 100755 tools/image/img2lcd.pl
 create mode 100755 tools/image/src/i42.gif

diff --git a/tools/image/img2lcd.pl b/tools/image/img2lcd.pl
new file mode 100755
index 0000000..5f9fee1
--- /dev/null
+++ b/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);
diff --git a/tools/image/src/i42.gif b/tools/image/src/i42.gif
new file mode 100755
index 0000000000000000000000000000000000000000..acd34eeb0000209667a9c3400465c9502307d4bd
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literal 0
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