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import hashlib

def suPassword(chall):
    #El challenge esta compuesto de 0123456789ABCDEFGHIJKLMNOPQRSTUYWXYZ
    premd5 = bytearray(8)
    for i in range(8):
        if ord(chall[i]) <= 0x47:
            premd5[i]=ord(chall[i])<<1
        else:
            premd5[i]=ord(chall[i])>>1
    print 'premd5: ',premd5
    
    md5hash = hashlib.md5()
    md5hash.update(premd5)
    print 'md5: ',md5hash.hexdigest()
    prepass = bytearray(md5hash.digest())

    challpass = bytearray(8)
    for i in range(8):
        temp2=(prepass[i]>>1)*0xB60B60B7
        temp2=temp2>>(5+32)
        temp1=temp2<<3
        temp1=temp1-(temp2<<1)
        temp3=(temp1<<4)
        temp3=temp3-temp1
        temp0=prepass[i]-temp3+0x21
        temp0=temp0&0xFF
        if temp0 == 0x3F:
            challpass[i]=0x3E
        else:
            challpass[i]=temp0
    print 'PASSWORD!: ',challpass
        

if __name__=='__main__':
    print 'Huawei HG8245 su command challenge-password generator by adiaz_32'
    print 'Challenge: '
    challenge = '53FYRL1O'
    #if len(challenge)==8:
    suPassword(challenge)
    #else:
    #    print 'ERROR: Challenge must have 8 chars'
Success #stdin #stdout 0.02s 9296KB
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Huawei HG8245 su command challenge-password generator by adiaz_32
Challenge: 
premd5:  jf�,)&b'
md5:  1792fee32f09efc5c676c560e17b668d
PASSWORD!:  8YkPP*\2
https://ideone.com/Ig53CQ
language:
Python (cpython 2.7.16)
created:
28 days ago
visibility:
public

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