示例#1
0
def Payload_Challenge_Response(ID, RAND, ETYPE):
    # Let's build EAP-Payload Challenge-Response AVP
    # Create EAP-Payload (empty)
    EAP = eap.EAPItem()
    # Set command code
    EAP.cmd = eap.EAP_CODE_RESPONSE
    # Set id
    EAP.id = ID
    # Set type
    EAP.type = ETYPE
    # Set sub-type
    EAP.stype = eap.dictEAPSUBname2type("SIM-Challenge")
    # RAND is copied from Challenge
    # These values can be calculated or entered manually
    # Copied from SIP-Auth-Data-Item->Authentication-Information-SIM(301)
    a1 = "8b7e0f1147f9af050809bbaf50881dbb08014ca81b36d9fa"
    # Copied from SIP-Auth-Data-Item->Authorization-Information-SIM(302)
    b1 = "334131fc"
    RAND, KC = prepareKeysFromTriplets(a1, a1, a1)
    SRES = b1 + b1 + b1
    # Step 2
    KENCR, KAUT, MSK, EMSK, MK = eap.sim_calc_keys(IDENTITY, KC, NONCE_MT,
                                                   VERSION_LIST, "1")
    # Add AT_MAC as last
    eap.addMAC(EAP, KAUT, SRES)
    # Do not add any AVPs after adding MAC
    Payload = eap.encode_EAP(EAP)
    # Payload now contains EAP-Payload AVP
    return Payload
def Payload_Challenge_Response(ID,RAND,ETYPE):
    # Let's build EAP-Payload Challenge-Response AVP
    # Create EAP-Payload (empty)
    EAP=eap.EAPItem()
    # Set command code
    EAP.cmd=eap.EAP_CODE_RESPONSE
    # Set id 
    EAP.id=ID
    # Set type
    EAP.type=ETYPE
    # Set sub-type
    EAP.stype=eap.dictEAPSUBname2type("SIM-Challenge")
    # RAND is copied from Challenge
    # These values can be calculated or entered manually
	# Copied from SIP-Auth-Data-Item->Authentication-Information-SIM(301)
    a1="8b7e0f1147f9af050809bbaf50881dbb08014ca81b36d9fa"
    # Copied from SIP-Auth-Data-Item->Authorization-Information-SIM(302)
    b1="334131fc"
    RAND,KC=prepareKeysFromTriplets(a1,a1,a1)
    SRES=b1+b1+b1
    # Step 2
    KENCR,KAUT,MSK,EMSK,MK=eap.sim_calc_keys(IDENTITY,KC,NONCE_MT,VERSION_LIST, "1")
    # Add AT_MAC as last
    eap.addMAC(EAP,KAUT, SRES)
    # Do not add any AVPs after adding MAC
    Payload=eap.encode_EAP(EAP)
    # Payload now contains EAP-Payload AVP
    return Payload    
示例#3
0
        "hex")
    a3 = "323534333064306365383134306564656238386464653763303135326432343235386261656331386330386331633030".decode(
        "hex")
    # Copied from SIP-Auth-Data-Item->Authorization-Information-SIM(302)
    b1 = "6639333733396536"
    b2 = "3937356635386534"
    b3 = "3737343362623433"
    SRES = b1 + b2 + b3
    RAND, KC = prepareKeysFromTriplets(a1, a2, a3)
    print RAND, SRES, KC
    print "RAND=", RAND.encode("hex")
    print "KC=", KC.encode("hex")
    print "=" * 30
    # Step 2
    KENCR, KAUT, MSK, EMSK, MK = eap.sim_calc_keys(Identity, KC.encode("hex"),
                                                   NONCE_MT, VERSION_LIST,
                                                   SELECTED_VER)
    # KAUT is used to sign AT_MAC
    # Step 3 (optional)
    DATA = eap.decrypt_data(IV, KENCR, ENCR_DATA)
    print DATA
    print "-" * 30
    avps = eap.splitEAPAVPs(DATA)
    for avp in avps:
        (Name, Value) = avp
        print Name, "=", Value
    REAUTH = findAVP("AT_NEXT_REAUTH_ID", avps)
    if REAUTH <> ERROR:
        print REAUTH.decode("hex")
    print "=" * 30
示例#4
0
    # Copied from SIP-Auth-Data-Item->Authentication-Information-SIM(301)
    a1="343766636361653132353364383564326662383664393337636266653631313532373163633231646232643365303030".decode("hex")
    a2="663065366339636161643166353733613832616137356665363066343666353965346331396335393936316161633030".decode("hex")
    a3="323534333064306365383134306564656238386464653763303135326432343235386261656331386330386331633030".decode("hex")
    # Copied from SIP-Auth-Data-Item->Authorization-Information-SIM(302)
    b1="6639333733396536"
    b2="3937356635386534"
    b3="3737343362623433"
    SRES=b1+b2+b3
    RAND,KC=prepareKeysFromTriplets(a1,a2,a3)
    print RAND,SRES,KC
    print "RAND=",RAND.encode("hex")
    print "KC=",KC.encode("hex")
    print "="*30
    # Step 2
    KENCR,KAUT,MSK,EMSK,MK=eap.sim_calc_keys(Identity,KC.encode("hex"),NONCE_MT,VERSION_LIST,SELECTED_VER)
    # KAUT is used to sign AT_MAC
    # Step 3 (optional)
    DATA=eap.decrypt_data(IV,KENCR,ENCR_DATA)
    print DATA
    print "-"*30
    avps=eap.splitEAPAVPs(DATA)
    for avp in avps:
        (Name,Value)=avp
        print Name,"=",Value 
    REAUTH=findAVP("AT_NEXT_REAUTH_ID",avps)
    if REAUTH<>ERROR:
       print REAUTH.decode("hex")
    print "="*30

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