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Author Topic: Crypto-testament - Is it possible?  (Read 854 times)
HostFat
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December 25, 2011, 02:12:36 AM
 #1

I have a question to all crypto-guru here.

Is it technically possible to build a service ( or even a serverless/decentralised service, so that it can't be attacked/blocked/ddosed and without human failure attitude ) that give the possibility to leave a message somewhere and maintaining it encrypted until a certain date? ( example: bitcoinclock.com )
The service admins also must NOT be able to read this message until this date.

Example:
The user write the message and set a date.
Then the service give a link that the user can share everywhere he wants.

It would be good if the user is also able to stop it if it isn't needed anymore.
Example:
A soldier/spy that wants to leave a message to the community before a dangerous mission.
If he survive, he needs to be able to stop this crypto-testament to decrypt itself.

Do you like this idea?

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The Bitcoin network protocol was designed to be extremely flexible. It can be used to create timed transactions, escrow transactions, multi-signature transactions, etc. The current features of the client only hint at what will be possible in the future.
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Stephen Gornick
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December 25, 2011, 07:12:24 AM
 #2

Is it technically possible to build a service ( or even a serverless/decentralised service, so that it can't be attacked/blocked/ddosed and without human failure attitude ) that give the possibility to leave a message somewhere and maintaining it encrypted until a certain date? ( example: bitcoinclock.com )

more info:
 - http://crypto.stackexchange.com/questions/606/time-capsule-cryptography
 - http://www.gwern.net/Self-decrypting%20files
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December 25, 2011, 08:52:32 PM
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+1 for teaching me something new and cool

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December 25, 2011, 09:04:49 PM
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Math is awesome

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