@capturewiz I'm not sure that php's hex2bin is the correct function.
According to
Authorize:https://support.authorize.net/s/article/What-is-a-Signature-KeyNOTE:
The Merchant Interface will present the Signature Key in a 128-character
hexadecimal form...
I just found out this am about the upcoming change. Although it does
read as the option for the hash will be gone Jan 31,2019, and the
ability at a later date to be announced.Currently:We use DPMUse our form
with field posted like x_fp_sequence,x_fp_...
I just found out this am about the upcoming change. Although it does
read as the option for the hash will be gone Jan 31,2019, and the
ability at a later date to be announced. Currently:We use DPMUse our
form with field posted like x_fp_sequence,x_fp...