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Cryptofon - a safe phone with integrated encryption.

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The Cryptofon is designed to enable safe and secure communication trough a regular PSTN line. It supports narrowband connections (~2400 bit/s and lower).

Cryptofon Web Site


  • works with any phone line connected to a PSTN
  • safe encryption using AES-256 and RSA-8192 - public key cryptogaphy
  • secure according to IND-CCA1
  • open-source
  • works even on narrow bandwith ( >1200 bit/s)
  • upcoming: safe data transmissions


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