- Vatsyayana cipher
The Vatsyayana cipher or Kama Sutra cipher is a classical substitution cipher described in the 45th chapter of the famous
India n erotics manualKama Sutra authored by Mallanaga Vatsyayana who is believed to have lived in the fourth century AD.External links
* [http://www.simonsingh.net/The_Black_Chamber/kamasutra.html Kamasutra cipher]
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