Task: Encrypt some data using the crypto node

n8n workflow:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"Crypto","type":"n8n-nodes-base.crypto","position":[450,300],"parameters":{"value":"n8n rocks!"},"typeVersion":1}],"connections":{"On clicking 'execute'":{"main":[[{"node":"Crypto","type":"main","index":0}]]}}}