Re: [Bitcoin-development] Subject: Re: Proposal to address Bitcoin malware

2015-02-03 Thread Brian Erdelyi
interoperability of wallets/clients and third-party services (if users choose to use them). Brian Erdelyi -- Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
trying to find methods to help verify those transactions (if a user deems it to be high-risk enough) before the transaction is completed. The balance is trying to devise something that users do not find too burdensome. Brian Erdelyi

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
There are a couple of attack vectors to consider: * The recipient's machine is compromised * The sender's machine is compromised Excellent point of the recipient being compromised. -- Dive into the World of

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
where you were intending to send it. You can then not provide the second signature. Brian Erdelyi On Feb 2, 2015, at 4:57 PM, Joel Joonatan Kaartinen joel.kaarti...@gmail.com wrote: If the attacker has your desktop computer but not the mobile that's acting as an independent second factor

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
Transaction initiated and signed on device #1. Transaction is sent to device #2. On device #2 you verify the transaction and if authorized you provide the second signature. Brian Erdelyi Sent from my iPhone On Feb 2, 2015, at 5:09 PM, Pedro Worcel pe...@worcel.com wrote: Where would you

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
We're way ahead of you guys ;) https://www.bitcoinauthenticator.org/ https://www.bitcoinauthenticator.org/ - does this already, currently in alpha I’m just late to the party I guess. Thanks for the links. --

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
are thinking about this too. Brian Erdelyi -- Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
Another concept... It should be possible to use multisig wallets to protect against malware. For example, a user could generate a wallet with 3 keys and require a transaction that has been signed by 2 of those keys. One key is placed in cold storage and anther sent to a third-party. It is

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-02 Thread Brian Erdelyi
think these are practical approaches and just doing a sanity check. Thanks for the vote of confidence. Brian Erdelyi Sent from my iPad On Feb 2, 2015, at 1:54 PM, Martin Habovštiak martin.habovst...@gmail.com wrote: Good idea. I think this could be even better: instead of using third

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-01 Thread Brian Erdelyi
is compromised, you're already screwed. Trezor should help, but I'm not sure if it supports BIP70. The reason for OOB verification is if the entire computer is compromised. Again, this may only be possible with a trusted intermediary or a web wallet. Brian Erdelyi

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-02-01 Thread Brian Erdelyi
money with web based wallets. Brian Erdelyi-- Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel

Re: [Bitcoin-development] Proposal to address Bitcoin malware

2015-01-31 Thread Brian Erdelyi
that would produce the same 8 digit code. Curious to know how long this brute force would take? Or perhaps, before converting to 8 digits there is some other hashing function that is performed. Brian Erdelyi-- Dive

[Bitcoin-development] Proposal to address Bitcoin malware

2015-01-31 Thread Brian Erdelyi
produce the same 8 digits of the legitimate bitcoin address? Brian Erdelyi signature.asc Description: Message signed with OpenPGP using GPGMail -- Dive into the World of Parallel Programming. The Go Parallel Website