I have to transfer some sensitive information over a JavaScript AJAX Call, over an unencrypted channel (HTTP, not HTTPS).  I'd like to encrypt the data, but encryption on the JavaScript side means I expose the key, which makes symmetric encryptio...
I'm building a website and my payment methods will be Google Checkout and Paypal. There will be links/buttons which will redirect the user to the secure Google/Paypal sites for processing the payments. This means I do not need the $150/year added...
I am using rsa.js v1.0 from http://www-cs-students.stanford.edu/~tjw/jsbn/ to encrypt an ASCII string in a browser.  The string is actually a 16 byte array that contains a double-length TripleDes key. With rsa v1.0 this works. The byte array is corre...
I am searching for a way to clientside decode RSA respectively openssl encoded messages.  Idea: Special data is only stored encrypted with a public key on the server so that nobody is able to see the real data - even in case of server hacks. An admin...
For an application I want to write, the webservice gives me this public key, with which I have to encrypt the password for signing in. But I don't know what kind of encryption this might be. Is this recognisable? Is it possible to tell what this...
After watching this video http://youtu.be/3QnD2c4Xovk  I've been trying to follow it step by step, and haven't been able to produce the same results.  Notably, when I try to do Math.pow(3, 54)%17, I get 7.  While the speaker gets 15.  I wrote...
How to generate a public/private key pair in the user's browser,   This key must be:   temporary (not saved for ever, valid only for the current session).  generated in a cross browser/system manner without prompting the user for any input. allow...
I've been rather busy trying to get a secure exchange established between a browserclient, using the webcrypto api and PHP server using openssl. I've broken down things as much as I can. I wrote some javascript to generate a keypair, print ou...
I am using JSBN in javascript to encrypt a set of string (message) of facebook data to securely send them to my server (PHP) and decrypt them there.  Some users are experiencing "Message too long" on something like   "&fbemail='+f...
I have a Chrome extension that I am working on that will POST data to a remote server. I wish to encrypt the data before it gets sent. My server doesn't have HTTPS so I have to send it over plain HTTP.  I currently use RSA 4096-bit public key enc...

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