def get_estimate_size(self):
''' returns the estimate size of the package on card '''
size = 0x00
if "Applet" in self.components.keys():
applet_component_str = self.components["Applet"]
applet_comp_size = utils.getBytes(applet_component_str, 2, 2)
size = size + int(applet_comp_size, 16)
size = size + int(len(self.get_aid()) / 2)
# class component
class_comp_size = utils.getBytes(self.components["Class"], 2, 2)
size = size + int(class_comp_size, 16)
# method component
method_comp_size = utils.getBytes(self.components["Method"], 2, 2)
size = size + int(method_comp_size, 16)
if "Export" in self.components.keys():
export_component_str = self.components["Applet"]
export_comp_size = utils.getBytes(export_component_str, 2, 2)
size = size + int(export_comp_size, 16)
# static component
static_comp_size = utils.getBytes(self.components["Staticfield"], 2, 2)
size = size + int(static_comp_size, 16)
return size
def get_version(self):
''' returns the load file version '''
# look into the header component
header_component_str = self.components["Header"]
# the minor and major version are byte 11 and 12 of the header component
minor_version = utils.getBytes(header_component_str, 11)
major_version = utils.getBytes(header_component_str, 12)
return major_version + "." + minor_version
def get_aid(self):
''' returns the load file AID '''
# look into the header component
header_component_str = self.components["Header"]
# the package AIDlength is byte 13 of the header component
aid_len = utils.getBytes(header_component_str, 13)
aid = utils.getBytes(header_component_str, 14, int(aid_len, 16))
return aid
def get_jc_version(self):
''' returns the load file javacard version '''
# look into the header component
header_component_str = self.components["Header"]
# the minor and major version are byte 8 and 9 of the header component
minor_version = utils.getBytes(header_component_str, 8)
major_version = utils.getBytes(header_component_str, 9)
return major_version + "." + minor_version
def get_pkg_name(self):
''' returns the load file package name '''
# look into the header component
header_component_str = self.components["Header"]
# the package name is after the package aid in the header component
aid_len = utils.getBytes(header_component_str, 13)
name_len_offset = 14 + int(aid_len, 16) + 1
name_len = utils.getBytes(header_component_str, name_len_offset)
#package name is not always set (ie JC version 2.1)
if name_len != '':
name = utils.getBytes(header_component_str, name_len_offset + 1,
int(name_len, 16))
else:
name = "not set"
return name
def get_applet_aid(self):
''' returns the aid of tha application if any '''
# look into the applet component
applets_aid = []
if "Applet" in self.components.keys():
applet_component_str = self.components["Applet"]
applet_count = utils.getBytes(applet_component_str, 4)
offset = 5
for i in range(0, int(applet_count, 16)):
aid_len = utils.getBytes(applet_component_str, offset)
offset = offset + 1
aid = utils.getBytes(applet_component_str, offset,
int(aid_len, 16))
offset = offset + int(aid_len, 16)
applets_aid.append(aid)
# by pass install method offset
offset = offset + 2
return applets_aid
def get_import_pkg_aid(self):
''' return a list of tuple containing pkg_aid, version and eventually the name'''
# look into the import component
imported_pkg_aid = []
if "Import" in self.components.keys():
import_component_str = self.components["Import"]
import_count = utils.getBytes(import_component_str, 4)
offset = 5
for i in range(0, int(import_count, 16)):
minor_version = utils.getBytes(import_component_str, offset)
offset = offset + 1
major_version = utils.getBytes(import_component_str, offset)
offset = offset + 1
aid_len = utils.getBytes(import_component_str, offset)
offset = offset + 1
aid = utils.getBytes(import_component_str, offset,
int(aid_len, 16))
offset = offset + int(aid_len, 16)
imported_pkg_aid.append(
(aid, major_version + "." + minor_version,
constants.aid_dict.get(aid, "")))
return imported_pkg_aid
def get_int_support(self):
''' returns True if the load file use integer '''
# look into the header component
header_component_str = self.components["Header"]
flag = utils.getBytes(header_component_str, 10)
return (int(flag, 16) & 0x01) == 0x01