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apdu_split working with test message

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Christina Quast
2015-04-14 15:53:13 +02:00
parent e64aa5b878
commit d4c8b51e86
1 changed files with 27 additions and 25 deletions
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52
usb_application/apdu_split.py
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@@ -15,8 +15,7 @@
from enum import Enum from enum import Enum
class Apdu_splitter: class apdu_states(Enum):
APDU_S_CLA = 1 APDU_S_CLA = 1
APDU_S_INS = 2 APDU_S_INS = 2
APDU_S_P1 = 3 APDU_S_P1 = 3
@@ -28,35 +27,35 @@ class Apdu_splitter:
APDU_S_SW2 = 9 APDU_S_SW2 = 9
APDU_S_FIN = 10 APDU_S_FIN = 10
def __init__(self):
self.state = APDU_S_CLA
self.buf = []
def split(self, c): class Apdu_splitter:
Apdu_S[state](c)
def __init__(self):
self.state = apdu_states.APDU_S_CLA
self.buf = []
def func_APDU_S_INS(self, c): def func_APDU_S_INS(self, c):
self.ins = c self.ins = c
def func_APDU_S_CLA_P1_P2(self, c): def func_APDU_S_CLA_P1_P2(self, c):
self.buf.append(c) self.buf.append(c)
self.state += 1 self.state = apdu_states(self.state.value + 1)
def func_APDU_S_P3(self, c): def func_APDU_S_P3(self, c):
self.buf.append(c) self.buf.append(c)
self.data_remaining = 256 if c == 0 else c self.data_remaining = 256 if c == 0 else c
self.state = func_APDU_S_SW1 self.state = apdu_states.APDU_S_SW1
def func_APDU_S_DATA(self, c): def func_APDU_S_DATA(self, c):
self.buf.append(c) self.buf.append(c)
self.data_remaining -= 1 self.data_remaining -= 1
if data_remaining == 0: if data_remaining == 0:
self.state = APDU_S_SW1; self.state = apdu_states.APDU_S_SW1;
def func_APDU_S_DATA_SINGLE(self, c): def func_APDU_S_DATA_SINGLE(self, c):
self.buf.append(c) self.buf.append(c)
self.data_remaining -= 1 self.data_remaining -= 1
self.state = APDU_S_SW1 self.state = apdu_states.APDU_S_SW1
def func_APDU_S_SW1(self, c): def func_APDU_S_SW1(self, c):
if (c == 0x60): if (c == 0x60):
@@ -65,31 +64,34 @@ class Apdu_splitter:
# check for 'all remaining' type ACK # check for 'all remaining' type ACK
if c == self.ins or c == self.ins + 1 or c == ~(self.ins+1): if c == self.ins or c == self.ins + 1 or c == ~(self.ins+1):
print("ACK") print("ACK")
self.state = APDU_S_DATA self.state = apdu_states.APDU_S_DATA
else: else:
# check for 'only next byte' type ACK */ # check for 'only next byte' type ACK */
if c == ~(self.ins): if c == ~(self.ins):
self.state = APDU_S_DATA_SINGLE self.state = apdu_states.APDU_S_DATA_SINGLE
else: else:
# must be SW1 # must be SW1
self.buf.append(c) self.buf.append(c)
self.state = func_APDU_S_SW2 self.state = apdu_states.APDU_S_SW2
def func_APDU_S_SW2(self, c): def func_APDU_S_SW2(self, c):
self.buf.append(c) self.buf.append(c)
print("APDU:", self.buf) print("APDU:", self.buf)
self.state = APDU_S_FIN self.state = apdu_states.APDU_S_FIN
Apdu_S = { Apdu_S = {
APDU_S_CLA : func_APDU_S_CLA_P1_P2, apdu_states.APDU_S_CLA : func_APDU_S_CLA_P1_P2,
APDU_S_INS : func_APDU_S_INS, apdu_states.APDU_S_INS : func_APDU_S_INS,
APDU_S_P1 : func_APDU_S_CLA_P1_P2, apdu_states.APDU_S_P1 : func_APDU_S_CLA_P1_P2,
APDU_S_P2 : func_APDU_S_CLA_P1_P2, apdu_states.APDU_S_P2 : func_APDU_S_CLA_P1_P2,
APDU_S_P3 : func_APDU_S_P3, apdu_states.APDU_S_P3 : func_APDU_S_P3,
APDU_S_DATA : func_APDU_S_DATA, apdu_states.APDU_S_DATA : func_APDU_S_DATA,
APDU_S_DATA_SINGLE : func_APDU_S_DATA_SINGLE, apdu_states.APDU_S_DATA_SINGLE : func_APDU_S_DATA_SINGLE,
APDU_S_SW1 : func_APDU_S_SW1, apdu_states.APDU_S_SW1 : func_APDU_S_SW1,
APDU_S_SW2 : func_APDU_S_SW2 } apdu_states.APDU_S_SW2 : func_APDU_S_SW2 }
def split(self, c):
self.Apdu_S[self.state](self, c)
if __name__ == '__main__': if __name__ == '__main__':
@@ -97,7 +99,7 @@ if __name__ == '__main__':
apdus = Apdu_splitter() apdus = Apdu_splitter()
for c in msg: for c in msg:
print(c) print(hex(c))
apdus.split(c) apdus.split(c)