steam-cryptodeprecated

Node.js implementation of Valve's crypto

Usage no npm install needed!

<script type="module">
  import steamCrypto from 'https://cdn.skypack.dev/steam-crypto';
</script>

README

node-steam-crypto

Node.js implementation of Steam crypto. All keys and data are passed as Buffers.

generateSessionKey()

Generates a 32 byte random blob of data and encrypts it with RSA using the Steam system's public key. Returns an object with the following properties:

  • plain - the generated session key
  • encrypted - the encrypted session key

symmetricEncrypt(input, sessionKey)

Encrypts input using sessionKey and returns the result.

symmetricDecrypt(input, sessionKey)

Decrypts input using sessionKey and returns the result.