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Falls der Access Control Server (ACS) der Bank des Karteninhabers keine EMV 3DS Protokoll-Version unterstützt (d.h. 2.0 oder höher, siehe acsStartProtocolVersion), wird das Element threeDSMethodDataForm des Objekts versioningData in der Zahlungsantwort Null.


Sequenzdiagramm

3DS 1.0 Authentisierung

Um eine 3DS 1.0 Authentisierungs-Anfrage über den Browser des Karteninhabers auszuführen, ist es erforderlich, ein Formular aus den in threeDSLegacy bereitgestellten Datenelementen zu konstruieren und es an die acsURL zu posten.


Die an den ACS gesendeten Formularfelder sind in nachfolgender Tabelle aufgeführt:

Oops, it seems that you need to place a table or a macro generating a table within the Table Filter macro.

The table is being loaded. Please wait for a bit ...

Form ElementDescription
PAReqA constructed, Base64 encoded and compressed field carrying the Payer Authentication Request Message Fields. The compression algorithm used is a combination of LZ77 and Huffman coding as specified in RFC 1951.
TermURL

The merchant URL the ACS will redirect the cardholder to after the authentication has concluded. Note that Computop Paygate adds the fields PayID, TransID and MID in the query string to the base URL. Please do not alter the TermURL!

MDThe MD (i.e. Merchant Data) field can carry whatever data the merchant needs to continue the session. Please note that this field must be present in the form even though it is not used.


<html>
    <head>
        <script language=\"javascript\">
            <!--
                function sendpareq()
                    {  
                        document.pareq_form.submit();
                    }
            // -->
        </script>
    </head>
     
    <body onload="javascript:sendpareq();">
        <form action="https://pit.3dsecure.net/VbVTestSuiteService/pit1/acsService/paReq?summary=ZTIwOWMwYmEtNTVhOC00NDExLThkZDktYzllODk1NmZlNDQ0" method="POST" name="pareq_form">
            <input type="hidden" name="PaReq" value="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">
            <input type="hidden" name="TermUrl" value="http://localhost:40405/test/3DTermURL.aspx?PayID=dc67820e15f049c9b6c1f0420729da8a&TransID=20180524-162741-084&MID=gustav">
            <input type="hidden" name="MD" value="Optional merchant session data">
        </form>
    </body>
</html>


Sobald die Authentisierung abgeschlossen oder vom Karteninhaber abgebrochen worden ist, leitet der ACS den Karteninhaber über seinen Browser zur TermURL weiter, wie sie bei der anfänglichen Zahlungsanfrage angegeben ist.


Die Zahler-Authentisierungs-Antwort (PaRes) wird mittels HTTP POST Methode übertragen, während MID, PayID und TransID im HTTP-Anfrage-String gesendet werden (d.h. HTTP GET).

Zur TermURL übertragene Datenelemente

Oops, it seems that you need to place a table or a macro generating a table within the Table Filter macro.

The table is being loaded. Please wait for a bit ...

KeyFormatCNDDescription

mid

ans..30

M

MerchantID, assigned by Computop

KeyFormatCNDDescription
PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files as well as for capture or credit request.

KeyFormatCNDDescription
TransID

ans..64

MTransactionID provided by you which should be unique for each payment

KeyFormatCNDDescription

PARes

--

M

The PARes (Payer Authentication Response) message sent by the ACS in response to the PAReq regardless of whether authentication is successful

Autorisierung

Um eine mit 3DS 1.0 authentisierte Zahlung zu autorisieren, müssen Sie die Parameter der nachfolgenden Tabelle unverschlüsselt per POST an https://www.computop-paygate.com/direct3d.aspx übermitteln. Die Antwort ist immer verschlüsselt (Len + Data).

Anfrage-Elemente

Oops, it seems that you need to place a table or a macro generating a table within the Table Filter macro.

The table is being loaded. Please wait for a bit ...

KeyFormatCNDDescription

MerchantID

ans..30

M

MerchantID, assigned by Computop. Additionally this parameter has to be passed in plain language too.

KeyFormatCNDDescription
PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files as well as for capture or credit request.

KeyFormatCNDDescription
TransID

ans..64

MTransactionID provided by you which should be unique for each payment

KeyFormatCNDDescription

PAResponse

--

M

The PARes (Payer Authentication Response) message sent by the ACS

Antwort-Elemente

Oops, it seems that you need to place a table or a macro generating a table within the Table Filter macro.

The table is being loaded. Please wait for a bit ...

KeyFormatCNDDescription

mid

ans..30

M

MerchantID, assigned by Computop

KeyFormatCNDDescription
PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files as well as for capture or credit request.

KeyFormatCNDDescription
XID

an32

M

ID for all single transactions (authorisation, capture, credit note) for one payment assigned by Paygate

KeyFormatCNDDescription
TransID

ans..64

MTransactionID provided by you which should be unique for each payment

KeyFormatCNDDescription

Status

a..20

M

Status of the transaction.

Values accepted:

  • Authorized

  • OK (Sale)

  • FAILED

Description

ans..1024

M

Textual description of the code

KeyFormatCNDDescription
Code

an8

M

Error code according to Paygate Response Codes (A4 Error codes)

KeyFormatCNDDescription

card

JSON

C

Card data

ipInfo

JSON

O

Object containing IP information

threeDSData

JSON

M

Authentication data

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