class OffsitePayments::Integrations::Migs::SecureHash
Constants
- DIGEST
Public Class Methods
calculate(secure_hash, post)
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# File lib/offsite_payments/integrations/migs.rb, line 149 def self.calculate(secure_hash, post) post_without_secure_hash = post.reject { |k, _v| [:SecureHash, :SecureHashType].include? k } sorted_values = post_without_secure_hash.sort_by(&:to_s).map { |key, value| "vpc_#{key}=#{value}"} input = sorted_values.join('&') OpenSSL::HMAC.hexdigest(DIGEST, [secure_hash].pack('H*'), input).upcase end