module AadhaarCheck
Constants
- D
- INV
- P
- VERSION
- ZERO_ORDINAL
Public Class Methods
checksum_digit_of(arg)
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# File lib/aadhaar_check.rb, line 32 def self.checksum_digit_of(arg) INV[arg.to_s.each_byte.reverse_each.with_index.inject(0) { |check,(x,i)| D[check][P[i.next % 8][x - ZERO_ORDINAL]] }] end
valid?(num)
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# File lib/aadhaar_check.rb, line 38 def self.valid?(num) if num.to_s.length != 12 return false else checksum_digit_of(num.to_s[0..-2]) == num % 10 end end