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Simple scheme for a crytopgraphic data product #1346

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Commits on Aug 31, 2024

  1. simple crypotgraphic tagging using the Goldwasser-Micali cryptosystem:

      - string-backed BigNumber data product contains arbitrarily large integers
      - BigNumberProducer can insert a 0 or 1 (or anything else) into events
      - GoldwasserMicaliEncrypter encrypts this into an apparently-random BigNumber
      - GoldwasserMicaliDecrypter decrypts this, into a (presumably) 0 or 1
      - Arithmetic on large numbers is performed using the gnu multiprecision library, interal to GW modules
    edcallaghan committed Aug 31, 2024
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