Core Secret – Secret sharing between Bluetooth LE peers on iOS
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Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#2Looks interesting, but the name made me think it was a new API or something. Perhaps not the best choice (though cool).
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#3Looks interesting, but the name made me think it was a new API or something. Perhaps not the best choice (though cool).
Yeah I know, I'm terrible at choosing names, I started my developements with this name then by lack of better idea i've kept it.
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#4The more or less raw device-to-device communication facilitated by Core Bluetooth is going to lead to some very interesting iOS applications.
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#5Looks interesting, but the name made me think it was a new API or something. Perhaps not the best choice (though cool).
Yeah I know, I'm terrible at choosing names, I started my developements with this name then by lack of better idea i've kept it.
Airdrop can choose a device to share. Isn't Airdrop secured??
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#6Earlier quoted context omitted.
Yeah I know, I'm terrible at choosing names, I started my developements with this name then by lack of better idea i've kept it.
Airdrop can choose a device to share. Isn't Airdrop secured??
Indeed the distribution of the ciphertext when using Airdrop relies on the authentication made by Airdrop (I think that's why Airdrop requires iCloud to be enabled, but note I'm not sure of that). However the encryption of the ciphertext and the keys used are independant of Airdrop. In the worst case a wrong receiver would be selected, he would have the ciphertext but wouldn't be able to decrypt it.
edit: I think I've wrongly interpreted your question. Are you asking if Core Secret doesn't simply reimplement what Airdrop provides? If this is your question, the answer is no, the goal of Core Secret is to divide a secret between peers, each peer having a portion of the secret.
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#7Your site is missing some critical information:
What is this idea good for?
Who would use it?
Why is it needed?
Some actual uses cases are needed.
Allow me to start you off:
(1) Suppose your office has a safe. Your on-staff accountant has the combination and he supervises all access to the safe. But imagine the difficulties if the accountant fell seriously ill, or if access to the safe was needed on a holiday or weekend when the accountant couldn't be reached. Instead of giving the combination to several people as a backup--and thereby losing accountability--you can divide the combination between 4 people in which any 2 can reconstruct the key.
(2) You and your two fellow executives are flying into country X for important business meetings. The border control at country X is known to sometimes snoop on visitors laptops and smartphones, and even copying data. You and the two other travelers can split up your confidential documents such that all 3 of you must be present at the meeting to extract the confidential information. If one of you is searched at the border crossing, you can truthfully say that you don't know any password or passphrase to documents in your possession; only the assembly of 3 people can bring out the originals.
(3) Your company's long-term computer backups--made on network attached storage or to the cloud--are automatically encrypted. The decryption key can be shared between the system administrators and executives such that any 2 sysadmins or any 3 executives can recover the decryption key.
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#8Your site is missing some critical information: What is this idea good for? Who would use it? Why is it needed? Some actual uses cases are needed. Allow me to start you off: (1) Suppose your office has a safe. Your on-staff accountant has the combination and he supervises all access to the safe. But imagine the difficulties if the accountant fell seriously ill, or if access to the safe was needed on a holiday or week…
Thanks for the advices! you're right my page is not explaining enough the purpose of the app. I'll try to improve it.
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#9Tangently related question - is it possible to use Bluetooth API to send pictures between devices? I wonder if the bandwidth is too low, or if there any hoops for the user to jump through? Thanks
Re: Core Secret – Secret sharing between Bluetooth LE peers on iOS
#10Looks interesting, but the name made me think it was a new API or something. Perhaps not the best choice (though cool).
At this point, it's traditional. See CorePlot, for instance.