class WebPackage::MICE
Merkle Integrity Content Encoding tools.ietf.org/id/draft-thomson-http-mice-03.html
Constants
- CHUNK_SIZE
Public Instance Methods
encode(text)
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# File lib/web_package/mice.rb, line 9 def encode(text) num_parts = text.bytesize.fdiv(CHUNK_SIZE).ceil chunks = [] proofs = [] num_parts.times do |i| delimeter = i.zero? && "\x00" || "\x01" ri = num_parts - i - 1 chunks << force_bin(text.byteslice(ri * CHUNK_SIZE, CHUNK_SIZE)) proofs << digest("#{chunks.last}#{proofs.last}#{delimeter}") end chunks << [CHUNK_SIZE].pack('Q>') return proofs.pop, chunks.zip(proofs).flatten.reverse!.join end