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RSA encryption / decryption example (nodejs)
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openssl key pair generate | |
//client - using meteor.js | |
const nodersa = Npm.require('node-rsa'); | |
import { HTTP } from 'meteor/http'; | |
const syncPost = Meteor.wrapAsync( HTTP.post, HTTP ); | |
encryptStringWithRsaPublicKey( data ) { | |
const absolutePath = Assets.absoluteFilePath( "public.key" ); //public key file path | |
const publicKey = fs.readFileSync( absolutePath, "utf8" ); | |
const key = new nodersa( publicKey ); | |
const encrypted = key.encrypt( data, 'base64' ); | |
const remote = 'url:8000'; //example | |
return syncPost( remote, { data : { 'value' : encrypted } } ); | |
} | |
... | |
//example server | |
'use strict'; | |
const express = require('express'); | |
const fs = require('fs'); | |
const nodersa = require('node-rsa'); | |
const bodyParser = require('body-parser'); | |
let app = express(); | |
app.use(bodyParser.urlencoded({ extended : false })); | |
app.use(bodyParser.json()); | |
app.post('/', (req, res)=>{ | |
let value = req.body.value; | |
const privateKey = fs.readFileSync('./store/privateKey.pem', 'utf8'); | |
const original = new nodersa(privateKey).decrypt(value, 'utf8'); | |
res.end(original); | |
}); | |
app.listen(8000, ()=>{ | |
console.log('on 8000'); | |
}); | |
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