method TLSSocket.prototype.getCipher
          
Usage in Deno
import { TLSSocket } from "node:tls";
TLSSocket.prototype.getCipher(): CipherNameAndProtocol 
      Returns an object containing information on the negotiated cipher suite.
For example, a TLSv1.2 protocol with AES256-SHA cipher:
{
    "name": "AES256-SHA",
    "standardName": "TLS_RSA_WITH_AES_256_CBC_SHA",
    "version": "SSLv3"
}
See SSL_CIPHER_get_name for more information.