หาค่าแฮชด้วย ruby

การหาค่า hash ของคำว่า cat โดยใช้ ruby

require ‘digest/sha1’

h = Digest::SHA1.new
h.hexdigest(‘cat’)
=> “9d989e8d27dc9e0ec3389fc855f142c3d40f0c50

สามารถเลือกอัลกอริทึมอื่นได้

require ‘digest/sha2’
require ‘digest/md5’

rails

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