Short note on Secure Hypertext Transfer Protocol (SHTTP).

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 Secure Hypertext Transfer Protocol (SHTTP)/ Secure HTTP (S-HTTP)Protocol 

  •  SHTTP extends the HTTP internet protocol with public key encryption, authentication, and a digital signature over the internet. 
  • Secure HTTP supports multiple security mechanisms, providing security to the end-users. 
  • SHTTP works by negotiating encryption scheme types used between the client and the server.
  •  It is an extension to the HTTP protocol that provides numerous security features such as
  1.  Client and server authentication 
  2. Spontaneous encryption 
  3.  Request/response nonrepudiation 
  • It provides symmetric and public-key encryption like the SSL. 
  • It also uses a message digest (hash number or summaries of messages as integers) to be transmitted with the message for message integrity. So, if the message is changed during transmission, it will be detected. 
  •  A secure digital envelope encapsulates a message and provides secrecy, integrity, and client/server authentication.

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