jamsidedown

using System.Security.Cryptography;

var s = "2 4 6 9 5 2 3 1 2 4 5 4 4 8 2 2 3 1 3 2 2 6 14 2 0 4 13 9 4 11 6 4 10 6 2 2 5 7 0 1 4 1 6 1 0 3 1 0 5 6 3 6";
var ints = s.Split(' ').Select(uint.Parse).ToArray();

var iv = Encoding.UTF8.GetBytes("opencastsoftware");
WriteLine($"IV: {Convert.ToBase64String(iv)}");

var key = UInt128.Zero;

jamsidedown

AWSTemplateFormatVersion: "2010-09-09"
Transform: "AWS::Serverless-2016-10-31"

Resources:
  ApiGateway:
    Type: "AWS::ApiGatewayV2::Api"
    Properties:
      Name: !Sub "${AWS::StackName}-wss-api"
      ProtocolType: "WEBSOCKET"
      RouteSelectionExpression: "\\$default"