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pingzh/hexdigest_to_digest.rb

Last active May 22, 2016 05:33
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hexdigest_to_digest.rb
## hexdiget to digest
hexdigest = Digest::MD5.hexdigest("ping")
digest = hexdigest.scan(/../).map(&:hex).pack("C*")
## digest to hexdigest
digest = Digest::MD5.digest('http://www.example.com')
hexdigest = digest.unpack('H*').first
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