Javascript or Jquery Encryption techniques - Stack Overflow

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I would like to have a public key encryption where i want some javascript function to encrypt some data. Is there any Javascript encryption techniques with high security?

Thanks

I would like to have a public key encryption where i want some javascript function to encrypt some data. Is there any Javascript encryption techniques with high security?

Thanks

• jquery
• javascript

Share Improve this question Follow edited Mar 26, 2012 at 17:54 user229044♦ 239k4141 gold badges344344 silver badges346346 bronze badges asked May 19, 2011 at 3:56 user695663user695663 12.4k88 gold badges2727 silver badges3232 bronze badges

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4 Answers 4

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Javascript AES encryption provides a good solution to this question.

I think that encrypting things with javascript can work just fine, if you have a good use case for it. The fact that the code is open shouldn't matter at all, because encryption algorithms are well known anyway. Where you are going to run into problems is the way in which the private key is supplied. DO NOT put the private key in your javascript code. The key should be provided by the user only. As long as you follow that rule, you should be good.

I would generally suggest that there is little reason to encrypt anything in JavaScript. If you need to transport something over the wire, utilize a secure wire protocol instead.

JavaScript has a number of deficiencies for this sort of thing, not the least of which is the fact that it sits in very accessible memory space if used in a browser context.

javascript code is in plain view online so any encryption method via javascript will be plainly visible, i don't think there's any realistic way to do that without using a server side language (i.e. php)

If you put your web page(s) under https, then ALL your data will be encrypted, no need for additional algorithms/libraries/headaches

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