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...
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...
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...
Server generates RSA public and private keys and store them in the session. Over a server call the client html page recieves the public key. Now I want to encrypt data using it. I have tried using jsencrypt but it doesn't recognize the public key...
I have public key in XML that created in C# the format is:  <Modulus>rYDd94biRAJ1P6j68xjARl......and so on</Modulus> <Exponent>A**B</Exponent>   I want to create this key in Javascript, and encrypt string with it, how can I do...
I have been using the Crypto lib in Node for doing Pub Key exchange.  So far I have just been using .getDiffieHellman('modp5') generate a new public / private key for each new connection.  This methodology works great for computing a secret f...
I read the following https://nodejs.org/api/crypto.html#crypto_class_sign and tried to copy the code:     sign.js   const crypto = require('crypto');  const { privateKey, publicKey } = crypto.generateKeyPairSync('ec', {   namedCurve:...

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