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Bit-commitment based on public-key encryption

  1. May 27, 2009 #1
    Can any public-key cryptosystem be turned into a bit-commitment scheme? For example, if I encrypt a bit using my public key and send it to Bob, how can I cheat?
  2. jcsd
  3. May 27, 2009 #2
    Also, from Wikipedia:

    Why not?
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