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#!/usr/bin/python3
import hashlib
import time
serialNumber = b'122112123456'
userName = b'installer'
DEFAULT_REALM = b'enphaseenergy.com'
gSerialNumber = None
def emupwGetPasswdForSn(serialNumber, userName, realm):
if serialNumber == None or userName == None:
return None
if realm == None:
realm = DEFAULT_REALM
return hashlib.md5(b'[e]' + userName + b'@' + realm + b'#' + serialNumber + b' EnPhAsE eNeRgY ').hexdigest()
def emupwGetPasswd(userName, realm):
global gSerialNumber
if gSerialNumber:
return emupwGetPasswdForSn(gSerialNumber, userName, realm)
return None
def emupwGetPublicPasswd(serialNumber, userName, realm, expiryTimestamp=0):
if expiryTimestamp == 0:
expiryTimestamp = int(time.time())
return hashlib.md5(userName + b'@' + realm + b'#' + serialNumber + b'%d' % expiryTimestamp).hexdigest()
def emupwGetMobilePasswd(serialNumber, userName, realm=None):
global gSerialNumber
gSerialNumber = serialNumber
digest = emupwGetPasswdForSn(serialNumber, userName, realm)
countZero = digest.count('0')
countOne = digest.count('1')
password = ''
for cc in digest[::-1][:8]:
if countZero == 3 or countZero == 6 or countZero == 9:
countZero = countZero - 1
if countZero > 20:
countZero = 20
if countZero < 0:
countZero = 0
if countOne == 9 or countOne == 15:
countOne = countOne - 1
if countOne > 26:
countOne = 26
if countOne < 0:
countOne = 0
if cc == '0':
password += chr(ord('f') + countZero)
countZero = countZero - 1
elif cc == '1':
password += chr(ord('@') + countOne)
countOne = countOne - 1
else:
password += cc
return password
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