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xtrasimplicity/securepay_au_directpost_fingerprint_example.rb

Last active June 1, 2018 09:14
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Generating a fingerprint for SecurePay Australia's DirectPost integration.
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securepay_au_directpost_fingerprint_example.rb
require 'openssl'
raw_fingerprint = [merchant_id, merchant_password, transaction_type, reference_id, amount, timestamp].join('|')
digest = OpenSSL::Digest.new('sha256')
fingerprint = OpenSSL::HMAC.hexdigest(digest, merchant_password, raw_fingerprint)
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