Post by kostasper » Mon Dec 22, 2014 5:46 pm

Καλησπέρα

Έχω αγοράσει ένα extension για διασύνδεση με την τράπεζα της eurobank.
Έκανα τα βήματα που μου είπαν στο δοκιμαστικό Gateway url https://euro.test.modirum.com/vpos/shophandlermpi και η διασύνδεση γινόταν κανονικά, όμως όταν ήρθε η ώρα να αλλάξω το url σε https://vpos.eurocommerce.gr/vpos/shophandlermpi μου βγάζει το παρακάτω μήνυμα

Security error, invalid digest.

Είμαι νέος χρήστης στο opencart και δεν ξέρω που μπορεί να οφείλεται αυτό το error.
Η έκδοση του opencart που χρησιμοποιώ είναι ή 1.5.6.4

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Post by kostas80 » Tue Dec 30, 2014 3:51 am

Λογικά μαζί με το live url σου δώσαν και καινούριο secret key. Προσοχή στα copy-paste μήπως έχεις αφήσει κάποιο κενό.

Αν με το test url δούλευε κανονικά ενώ με το live όχι, τότε σίγουρα έχεις κανει λαθος στο secret key.

NOT ACTIVE ANY MORE :'(


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Post by botonakis » Mon Jan 12, 2015 9:30 pm

Πρέπει να τους ζητήσεις (από την Cardlink) να σου ενεργοιήσουν τον νέο λογαριασμό και να λάβεις τους νέους κωδικούς γιατί αλλάζουν και καταργούν τους προηγούμενους.

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Post by laxman.singh » Wed Jul 08, 2015 6:07 pm

Είμαι αντιμετωπίζει το ίδιο πρόβλημα.
Έχω επανελέγχονται τα ταμεία στοιχεία (Αναγνωριστικό εμπόρου, κοινό μυστικό και άλλες λεπτομέρειες πληρωμής), αλλά δεν μπορεί να επιλύσει το πρόβλημα αυτό.
Παρακαλώ βοηθήστε.

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Post by botonakis » Wed Jul 08, 2015 9:31 pm

Νομίζω ότι το πρόβλημα σας είναι στον κώδικα του extension.

Επίσης επειδή νομίζω ότι δεν μιλάτε Ελληνικά:
I think your problem is the connection code in the extension.

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Post by laxman.singh » Wed Jul 08, 2015 10:01 pm

@botonakis : Thanks for your reply.
I have rechecked the all checkout details(Merchant ID, Shared secret, and all the payment details), all are correct.

I am implementing this in .Net, and please look the digest generation code below :

private string GenerateDigest(CardLink1Model cardLink)
{
StringBuilder sb = new StringBuilder();

//Concatenating all the mayment details
sb.Append(cardLink.A_MID);
sb.Append(cardLink.B_lang);
sb.Append(cardLink.C_deviceCategory);
sb.Append(cardLink.D_Orderid);
sb.Append(cardLink.E_orderDesc);
sb.Append(cardLink.F_orderAmount);
sb.Append(cardLink.G_currency);
sb.Append(cardLink.H_payerEmail);
sb.Append(cardLink.I_payMethod);
sb.Append(cardLink.J_confirmUrl);
sb.Append(cardLink.K_cancelUrl);
sb.Append(cardLink._Secret);

SHA1Managed sha1 = new SHA1Managed();
string digest = Convert.ToBase64String(sha1.ComputeHash(Encoding.UTF8.GetBytes(sb.ToString())));

return digest;
}

Please look into this, and please let me know if any change is required.

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Post by botonakis » Wed Jul 08, 2015 10:25 pm

I think the error is here:
string digest = Convert.ToBase64String(sha1.ComputeHash(Encoding.UTF8.GetBytes(sb.ToString())));
please refer to eurobank's api guide and sample code.

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Post by laxman.singh » Thu Jul 09, 2015 3:51 pm

I think this source code is generating digest correctly because I have checked this with all parameters which are provided in "Cardlink Payment Gateway - Redirect Model Specifications v1.0" doc.

And I have implemented all the things as per this document.

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Post by laxman.singh » Wed Jul 15, 2015 2:48 pm

I am a DotNet developer in C#.

While implementing CardLink payment gateway, I am facing the same issue like others to get correct digest, getting "Security error, invalid digest" error on Eurobank screen.

Below code is using to calculate digest :

string digest = Convert.ToBase64String(new System.Security.Cryptography.SHA1Managed().ComputeHash(Encoding.UTF8.GetBytes(normalizedString.ToString())));


Could you please verify/provide the code to get valid digest for Cardlink in C#?

Please do the needful ASAP.
Thanks in advance.

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Post by botonakis » Wed Jul 22, 2015 2:57 pm

Could you please verify/provide the code to get valid digest for Cardlink in C#?
Sorry, I have no knowledge in C#..

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Post by laxman.singh » Wed Jul 22, 2015 4:31 pm

botonakis wrote:
Could you please verify/provide the code to get valid digest for Cardlink in C#?
Sorry, I have no knowledge in C#..
No problem botonakis,
Issue is resolved, this is happening because of invalid secret key. Now it is working as expected.

Thanks

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