def __generate_ePass(self):
"""Generate the MF and SAM of an ICAO passport. This method is
responsible for generating the filesystem and filling it with content.
Therefore it must interact with the user by prompting for the MRZ and
optionally for the path to a photo."""
from PIL import Image
from virtualsmartcard.cards.ePass import PassportSAM
# TODO: Sanity checks
MRZ = raw_input("Please enter the MRZ as one string: ")
readline.set_completer_delims("")
readline.parse_and_bind("tab: complete")
picturepath = raw_input("Please enter the path to an image: ")
picturepath = picturepath.strip()
# MRZ1 = "P<UTOERIKSSON<<ANNA<MARIX<<<<<<<<<<<<<<<<<<<"
# MRZ2 = "L898902C<3UTO6908061F9406236ZE184226B<<<<<14"
# MRZ = MRZ1 + MRZ2
try:
im = Image.open(picturepath)
pic_width, pic_height = im.size
fd = open(picturepath, "rb")
picture = fd.read()
fd.close()
except IOError:
logging.warning("Failed to open file: " + picturepath)
pic_width = 0
pic_height = 0
picture = None
mf = MF()
# We need a MF with Application DF \xa0\x00\x00\x02G\x10\x01
df = DF(parent=mf, fid=4, dfname='\xa0\x00\x00\x02G\x10\x01',
bertlv_data=[])
# EF.COM
COM = pack([(0x5F01, 4, "0107"), (0x5F36, 6, "040000"),
(0x5C, 2, "6175")])
COM = pack(((0x60, len(COM), COM),))
df.append(TransparentStructureEF(parent=df, fid=0x011E,
filedescriptor=0, data=COM))
# EF.DG1
DG1 = pack([(0x5F1F, len(MRZ), MRZ)])
DG1 = pack([(0x61, len(DG1), DG1)])
df.append(TransparentStructureEF(parent=df, fid=0x0101,
filedescriptor=0, data=DG1))
# EF.DG2
if picture is not None:
IIB = "\x00\x01" + inttostring(pic_width, 2) +\
inttostring(pic_height, 2) + 6 * "\x00"
length = 32 + len(picture) # 32 is the length of IIB + FIB
FIB = inttostring(length, 4) + 16 * "\x00"
FRH = "FAC" + "\x00" + "010" + "\x00" +\
inttostring(14 + length, 4) + inttostring(1, 2)
picture = FRH + FIB + IIB + picture
DG2 = pack([(0xA1, 8, "\x87\x02\x01\x01\x88\x02\x05\x01"),
(0x5F2E, len(picture), picture)])
DG2 = pack([(0x02, 1, "\x01"), (0x7F60, len(DG2), DG2)])
DG2 = pack([(0x7F61, len(DG2), DG2)])
else:
DG2 = ""
df.append(TransparentStructureEF(parent=df, fid=0x0102,
filedescriptor=0, data=DG2))
# EF.SOD
df.append(TransparentStructureEF(parent=df, fid=0x010D,
filedescriptor=0, data=""))
mf.append(df)
self.mf = mf
self.sam = PassportSAM(self.mf)
