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payment-acquirers
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minaz

How do I compute sha512 key for a new payment acquirer using the following parameters: signaturekey ; MerchantID ; u_reference ; u_amount ; u_currency. Output example should be something like this(Combined String): 

ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789;M19-U-959;UPO-12345;10000;USD

Note: The combined string should be in UPPERCASE before the SHA512 hash computation like the example above.

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Savya Sachin
Best Answer

Hi,

First import the following library in your python file,

from hashlib import sha512

now convert your parameters to uppercase using the .upper() 

key = str("%s:%s:%s:%s:%s" % (
    signaturekey.upper(), MerchantID.upper(), u_reference.upper(), u_amount.upper(), u_currency.upper()))
hash = sha512(key.encode('utf-8')).hexdigest()

Now the variable hash will contain the SHA512 encrypted value for your key.


Regards


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minaz
Author

Hi Savya,
I tried something like this:
def _generate_sign(self):
signaturekey = 'signature',
MerchantID= 'MID',
u_reference= 'reference',
u_amount= 'amount',
u_currency= 'currency',
key = str("%s;%s;%s;%s;%s" % (signaturekey, MerchantID, u_reference, u_amount, u_currency))
shasign = sha512(key.encode('utf-8')).hexdigest()
return shasign

I get the following error:
Server Error:
We are not able to redirect you to the payment form. _generate_sign() takes 1 positional argument but 3 were given

I'm not sure if I'm doing the right thing.

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