Anybody who has had a conversation with me about networks probably knows that I’m a bit of a MikroTik fanboy, and for good reason. I am also a long-time user and supporter of OpenWrt which makes my enthusiasm for MikroTik even more significant. Somewhere around 16 years ago I got my first router (TP-Link WR1043ND), my first introduction to OpenWrt, and my first USB-serial cable after accidentally flashing an update…
Sometimes on an engagement, you’d like to construct a believable certificate chain, that you have the matching private keys for. An example might be that a mobile app is doing cert pinning, based on attributes of the signing certificate, such as the Canonical Name (CN), serial number, or Issuer, or that you are intercepting an embedded app that only supports a particular algorithm. Whatever the reason, it’s a fairly complicated…