Method: Ccrypto::Ruby::HKDFEngine#derive

Defined in:
lib/ccrypto/ruby/engines/hkdf_engine.rb

#derive(input, output = :binary) ⇒ Object 



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# File 'lib/ccrypto/ruby/engines/hkdf_engine.rb', line 20

def derive(input, output = :binary)

  digest = init_digest(@config.digest)

  @config.info = "" if @config.info.nil?

  res = OpenSSL::KDF.hkdf(input, salt: @config.salt, info: @config.info, length: @config.outBitLength/8, hash: digest)

  case output
  when :hex
    to_hex(res)
  when :b64
    to_b64(res)
  else
    res
  end
end