Trubanc

Trubanc Encryption

Submitted by Bill St. Clair on Wed, 2008-08-20 18:46.

I haven't thought much about encryption for the Trubanc client/server link. I figured I'd just set up SSL on the server, and go with that. Today, I realized that I don't need SSL. Trubanc already has a public key infrastructure all set up. It can do it's own encryption, using the OpenSSL library just as the SSL protocol does. Here's an outline of the encryption protocol, using the same language I use in my server design, from the perspective of the client:

  sent: (<id>,getsessionkey,<bankid>,<reqid>)
  rcvd: (<bankid>,sessionkey,<id>,<pubkey encrypted: [<sessionid>,<sessionkey>]>)

  sent: [<sessionid>,<sessionkey encrypted: message>]
  rcvd: [<sessionid>,<sessionkey encrypted: response>]
           or
        [<sessionid>,unknown] if the <sessionid> isn't registered

  sent: [<sessionid>,
         <sessionkey encrypted: (<id>,closesession,<bankid>,<sessionid>)>]
  rcvd: [<sessionid>,
         <sessionkey encrypted:
           (<bankid>,@closesession,(<id>,closesession,<bankid>,<sessionid>))>]

This should be relatively easy to implement, and won't likely slow things down by much. Yay!

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( categories: Loom | Trubanc )

Trubanc Server Working

Submitted by Bill St. Clair on Fri, 2008-08-15 22:02.

The Trubanc server is working. It's not complete yet, but there's enough there that I've started coding the client. If you click here, you'll see the result of a request for the bank's ID. It's running from a real database, with a couple of testing users in it.

I've also written a simple description of the Trubanc protocol: Trubanc in Plain English.

Yay!

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( categories: Loom | Trubanc )

Trubanc

Submitted by Bill St. Clair on Thu, 2008-07-31 22:25.

On Monday, I talked about a new idea I had for a Loom-like system with public-key-signed balances. Well, I've been madly writing code since then. I'm calling it Trubanc. There's a design document, and you can peruse the code as I write it. I intend to keep it open source, so that it can be verified. The server is about 1/3 done. When I finish that, and an initial web client, I'll let you know, and you can try it out, with funny money, of course. Exciting!

Trubanc

Trubanc

If you know how, and are willing, I'd love the signature on the logo above to be curved and reduced so that it would fit from about 3 to 5 o'clock near the edge of the coin. The images I started with are here and here. I'll give a GoldNowBanc GoldGram to the first person to submit an image that I like (you'll need a Loom account to take it).

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( categories: Loom | Trubanc )
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