Method openssh_hostKeysProve

lib/protocol/Protocol.js:1472–1507

(keys)

    sendPacket(this, this._packetRW.write.finalize(packet));
  }
  openssh_hostKeysProve(keys) {
    if (this._server)
      throw new Error('Client-only method called in server mode');

    let keysTotal = 0;
    const publicKeys = [];
    for (const key of keys) {
      const publicKey = key.getPublicSSH();
      keysTotal += 4 + publicKey.length;
      publicKeys.push(publicKey);
    }

    let p = this._packetRW.write.allocStart;
    const packet = this._packetRW.write.alloc(1 + 4 + 29 + 1 + keysTotal);

    packet[p] = MESSAGE.GLOBAL_REQUEST;

    writeUInt32BE(packet, 29, ++p);
    packet.utf8Write('hostkeys-prove-00@openssh.com', p += 4, 29);

    packet[p += 29] = 1; // want reply

    ++p;
    for (const buf of publicKeys) {
      writeUInt32BE(packet, buf.length, p);
      bufferCopy(buf, packet, 0, buf.length, p += 4);
      p += buf.length;
    }

    if (this._debug) {
      this._debug(
        'Outbound: Sending GLOBAL_REQUEST (hostkeys-prove-00@openssh.com)'
      );
    }
    sendPacket(this, this._packetRW.write.finalize(packet));
  }

  // ===========================================================================
  // Server-specific ===========================================================