diff options
Diffstat (limited to 'pySim/global_platform/scp.py')
| -rw-r--r-- | pySim/global_platform/scp.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pySim/global_platform/scp.py b/pySim/global_platform/scp.py index 0804492..967a582 100644 --- a/pySim/global_platform/scp.py +++ b/pySim/global_platform/scp.py @@ -218,6 +218,10 @@ class SCP02(SCP): 'seq_counter'/Int16ub, 'card_challenge'/Bytes(6), 'card_cryptogram'/Bytes(8)) kvn_range = [0x20, 0x2f] + def __init__(self, *args, **kwargs): + self.overhead = 8 + super().__init__(*args, **kwargs) + def dek_encrypt(self, plaintext:bytes) -> bytes: cipher = DES.new(self.card_keys.dek, DES.MODE_ECB) return cipher.encrypt(plaintext) @@ -410,6 +414,7 @@ class SCP03(SCP): def __init__(self, *args, **kwargs): self.s_mode = kwargs.pop('s_mode', 8) + self.overhead = self.s_mode super().__init__(*args, **kwargs) def dek_encrypt(self, plaintext:bytes) -> bytes: |