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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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64
Task/OpenWebNet-password/Python/openwebnet-password.py Normal file
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def ownCalcPass (password, nonce, test=False) :
start = True
num1 = 0
num2 = 0
password = int(password)
if test:
print("password: %08x" % (password))
for c in nonce :
if c != "0":
if start:
num2 = password
start = False
if test:
print("c: %s num1: %08x num2: %08x" % (c, num1, num2))
if c == '1':
num1 = (num2 & 0xFFFFFF80) >> 7
num2 = num2 << 25
elif c == '2':
num1 = (num2 & 0xFFFFFFF0) >> 4
num2 = num2 << 28
elif c == '3':
num1 = (num2 & 0xFFFFFFF8) >> 3
num2 = num2 << 29
elif c == '4':
num1 = num2 << 1
num2 = num2 >> 31
elif c == '5':
num1 = num2 << 5
num2 = num2 >> 27
elif c == '6':
num1 = num2 << 12
num2 = num2 >> 20
elif c == '7':
num1 = num2 & 0x0000FF00 | (( num2 & 0x000000FF ) << 24 ) | (( num2 & 0x00FF0000 ) >> 16 )
num2 = ( num2 & 0xFF000000 ) >> 8
elif c == '8':
num1 = (num2 & 0x0000FFFF) << 16 | ( num2 >> 24 )
num2 = (num2 & 0x00FF0000) >> 8
elif c == '9':
num1 = ~num2
else :
num1 = num2
num1 &= 0xFFFFFFFF
num2 &= 0xFFFFFFFF
if (c not in "09"):
num1 |= num2
if test:
print(" num1: %08x num2: %08x" % (num1, num2))
num2 = num1
return num1
def test_passwd_calc(passwd, nonce, expected):
res = ownCalcPass(passwd, nonce, False)
m = passwd+' '+nonce+' '+str(res)+' '+str(expected)
if res == int(expected) :
print('PASS '+m)
else :
print('FAIL '+m)
if __name__ == '__main__':
test_passwd_calc('12345','603356072','25280520')
test_passwd_calc('12345','410501656','119537670')
test_passwd_calc('12345','630292165','4269684735')