From bc1592acb465545b56ea57a9d28aaf8ab6cdb0e4 Mon Sep 17 00:00:00 2001
From: Philipp Claves <pclaves@web.de>
Date: Sat, 10 Dec 2011 20:09:08 +0100
Subject: [PATCH] ATMegaCard: Move keystore to portal application dir. Its only
used there.
---
ATMegaCard/Makefile | 2 +-
.../{ => applications/portal}/keystore.c | 0
.../{ => applications/portal}/keystore.h | 0
ATMegaCard/eeprom_gen.rb | 74 +++++++++++++++++++
4 files changed, 75 insertions(+), 1 deletion(-)
rename ATMegaCard/{ => applications/portal}/keystore.c (100%)
rename ATMegaCard/{ => applications/portal}/keystore.h (100%)
create mode 100755 ATMegaCard/eeprom_gen.rb
diff --git a/ATMegaCard/Makefile b/ATMegaCard/Makefile
index cb0f900..4288b35 100644
--- a/ATMegaCard/Makefile
+++ b/ATMegaCard/Makefile
@@ -54,7 +54,7 @@ OPT = s
# If there is more than one source file, append them above, or modify and
# uncomment the following:
-SRC = main.c software_serial.c ISO7816-card.c keystore.c rng.c ../common/sha1/sha1.c applications/portal/portal.c
+SRC = main.c software_serial.c ISO7816-card.c rng.c ../common/sha1/sha1.c applications/portal/keystore.c applications/portal/portal.c
# List Assembler source files here.
# Make them always end in a capital .S. Files ending in a lowercase .s
diff --git a/ATMegaCard/keystore.c b/ATMegaCard/applications/portal/keystore.c
similarity index 100%
rename from ATMegaCard/keystore.c
rename to ATMegaCard/applications/portal/keystore.c
diff --git a/ATMegaCard/keystore.h b/ATMegaCard/applications/portal/keystore.h
similarity index 100%
rename from ATMegaCard/keystore.h
rename to ATMegaCard/applications/portal/keystore.h
diff --git a/ATMegaCard/eeprom_gen.rb b/ATMegaCard/eeprom_gen.rb
new file mode 100755
index 0000000..aa0e0db
--- /dev/null
+++ b/ATMegaCard/eeprom_gen.rb
@@ -0,0 +1,74 @@
+#!/usr/bin/ruby
+
+KEYSTORE_OFFSET=127
+KEY_LENGTH=64
+
+class IntelHexWriter
+
+ RECORD_LENGTH=0x20
+
+ RECORD_TYPE_DATA = 0x00
+
+ def initialize(filename)
+ @file = File.open(filename, "w")
+ @offset = 0
+ @record = ""
+ end
+
+ public; def write_data(data)
+ while(data && data.length > 0)
+ bytesleft = RECORD_LENGTH - @record.length
+ @record += data[0, bytesleft]
+ data = data[bytesleft..-1]
+
+ write_record() if (data && data.length > 0)
+ end
+ end
+
+ private; def write_record()
+ r = (":%02X%04X%02X" % [@record.length, @offset, RECORD_TYPE_DATA])
+ checksum = @record.length + (@offset & 0xFF) + (@offset >> 8) + RECORD_TYPE_DATA
+ r += @record.bytes.map{|b| checksum=(checksum+b) & 0xFF; "%02X" % b}.join()
+ r += "%02X" % ((((checksum & 0xFF) ^ 0xFF) + 1) & 0xFF)
+ r += "\r\n"
+ @file.write(r)
+
+ @record = ""
+ @offset += RECORD_LENGTH
+ end
+
+ public; def close()
+ write_record() if (@record.length > 0)
+ @file.write(":00000001FF\n")
+ @file.close
+ end
+
+end
+
+def hex2bin(hex)
+ c = hex.length / 2
+ bin = ('.'.encode('ASCII-8BIT'))*c
+ (0...c).each{|i|
+ bin.setbyte(i,hex[i << 1, 2].hex)
+ }
+ return bin
+end
+
+eeprom_file = ARGV[0]
+keystring = ARGV[1]
+
+if ((!eeprom_file.kind_of?(String)) || (!keystring.kind_of?(String)) || keystring.length != (2*KEY_LENGTH))
+ puts "Usage: #{$0} hexfilename keystring"
+ exit 1
+end
+
+print("Writing EEPROM key to #{eeprom_file}...")
+
+f = IntelHexWriter.new(eeprom_file)
+f.write_data("\xFF"*KEYSTORE_OFFSET)
+f.write_data("\x00")
+f.write_data(hex2bin(keystring))
+f.write_data("\xFF"*KEY_LENGTH)
+f.close
+
+puts("OK")
\ No newline at end of file
--
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