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Rename variables that have builtin names

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This commit is contained in:
Craig Richardson 2018-05-15 16:13:14 +01:00
parent fec32eae66
commit f63045e96b
1 changed files with 5 additions and 3 deletions
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8
CircuitPy_OTP/main.py
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@ -120,11 +120,13 @@ def int_to_bytestring(i, padding=8):
# https://github.com/pyotp/pyotp/blob/master/src/pyotp/otp.py
def generate_otp(input, secret, digits=6):
if input < 0:
def generate_otp(int_input, secret_key, digits=6):
if int_input < 0:
raise ValueError('input must be positive integer')
hmac_hash = bytearray(
HMAC(bytes(base32_decode(secret)), int_to_bytestring(input)).digest())
HMAC(bytes(base32_decode(secret_key)),
int_to_bytestring(int_input)).digest()
)
offset = hmac_hash[-1] & 0xf
code = ((hmac_hash[offset] & 0x7f) << 24 |
(hmac_hash[offset + 1] & 0xff) << 16 |