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zabe
zabe Asked:

What is Host-Proof Hosting AJAX?

What is Host-Proof Hosting AJAX  (Asynchronous Javascript And XML) Pattern. What are its pro's and Con's?

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Best Answer

ayavilevich
ayavilevich Answered:

Let me summarize http://ajaxpatterns.org/Host-Proof_Hosting :

It is a design pattern for managing data in a web application where the server doesn't have access to the plain data. Instead the server holds an encrypted version of the data. The user holds the key needed to decrypt the data.

Pros:

  • If the server is hacked then data is still secure.
  • Admins can't read the data.

Cons:

  • Need to perform cryptography on the client side with javascript.
  • Can't remind password if it is lost.
The harder I work, the luckier I get.
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All Answers

ennapa
ennapa Answered:

 

Host-proof hosting aims to solve the "trust problem" faced by web applications: although SSL may protect user data on the wire it provides no guarantee of the privacy of that information once it reaches the server on the other end of the wire. Or, as Richard Schwartz, who co-developed the ideas behind host-proof hosting put it, "with current technology, trust in web applications only extends as far as trust in whoever is hosting it". Therefore Schwartz proposed to host sensitive data in encrypted form, so that clients can only access and manipulate it by providing a passphrase which is never transmitted to the server. The server is limited to persisting and retrieving whatever encrypted data the browser sends it, and never actually accesses the sensitive data in its plain form. All encryption and decryption takes place inside the browser itself.

 

 

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