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pySim/ota: Don't modify input argument in OtaDialectSms.encode_cmd

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Change-Id: I4c4c44002762696b931ed3580ffe54daf62ffa61
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Harald Welte
2024-06-09 16:15:28 +02:00
parent 4a191089dc
commit 1a9cabbbf0
1 changed files with 1 additions and 0 deletions
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pySim/ota.py
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@@ -332,6 +332,7 @@ class OtaDialectSms(OtaDialect):
len_cipher = 6 + len_sig + len(apdu) len_cipher = 6 + len_sig + len(apdu)
padding = otak.crypt._get_padding(len_cipher, otak.crypt.blocksize) padding = otak.crypt._get_padding(len_cipher, otak.crypt.blocksize)
pad_cnt = len(padding) pad_cnt = len(padding)
apdu = bytes(apdu) # make a copy so we don't modify the input data
apdu += padding apdu += padding
kic = {'key': otak.kic_idx, 'algo': otak.algo_crypt} kic = {'key': otak.kic_idx, 'algo': otak.algo_crypt}