Recently i have seen 2 blogs , one is http://www.programmingsimplified.in/2019/03/how-to-update-magento-authorizenet.html

& other is official: https://support.magento.com/hc/en-us/articles/360024368392-Update-Authorize-Net-Direct-Post-from-MD5-to-SHA-512

In magento , there is two payment method of authorize (1. Authorize.net direct post and 2. authorize.net)

I have my magento store which uses 2nd method Authorize.net since last two years. but i am not using authorize.net direct post.

My question is that, Should i update the authorize.net using patch ?

1 Answer 1


Unless you use Authorize.net direct post you no need to apply the patch since Authorize.net doesn't use MD5 hash. The patch affects only Authorize.net direct post adding a signature key field in the backend where as Authorize.net is unaltered by this patch.

  • means, there is no problem occur in payment processing in authorize.net ? Mar 25, 2019 at 10:20
  • Yes, you no need to apply the patch and you will not face any problems with existing payment method Mar 25, 2019 at 12:22

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