How to encrypt data with RSA in Angular using C# generated key

Question

I have a frontend in angular and a backend in C#. I generated a pair of keys (XML format) and I want to use the public key to encrypt some data in the frontend and send it to the backend where I'll decrypt it. However, I couldn't use any of the libraries/modules that I found on the internet. Does anyone know a good library that I can use? If you could also provide an example, it would be great!

Thanks in advance!

Ins · Accepted Answer · 2020-07-29 10:26:07Z

1

I found node-forge which was suggested here and managed to put it working. For node-forge, I needed to export my public key in the PEM format. For such thing, I used this code and then I loaded the key and encrypted my data just like this (on angular)

let rsa = forge.pki.publicKeyFromPem("-----BEGIN PUBLIC KEY-----"+
    "MIIBI..."+
    "-----END PUBLIC KEY-----");

return window.btoa(rsa.encrypt(data));

answered Jul 29, 2020 at 10:26

Ins

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