ntlm.py 文件源码

def computeResponseNTLMv1(flags, serverChallenge, clientChallenge, serverName, domain, user, password, lmhash='',
                          nthash='', use_ntlmv2=USE_NTLMv2):
    if user == '' and password == '':
        # Special case for anonymous authentication
        lmResponse = ''
        ntResponse = ''
    else:
        lmhash = LMOWFv1(password, lmhash, nthash)
        nthash = NTOWFv1(password, lmhash, nthash)
        if flags & NTLMSSP_NEGOTIATE_LM_KEY:
           ntResponse = ''
           lmResponse = get_ntlmv1_response(lmhash, serverChallenge)
        elif flags & NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
           md5 = hashlib.new('md5')
           chall = (serverChallenge + clientChallenge)
           md5.update(chall)
           ntResponse = ntlmssp_DES_encrypt(nthash, md5.digest()[:8])
           lmResponse = clientChallenge + '\x00'*16
        else:
           ntResponse = get_ntlmv1_response(nthash,serverChallenge)
           lmResponse = get_ntlmv1_response(lmhash, serverChallenge)

    sessionBaseKey = generateSessionKeyV1(password, lmhash, nthash)
    return ntResponse, lmResponse, sessionBaseKey