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You could probably get the same effect by just sending an e-mail using Gmail (or equivalent online service that wont let you modify its internals) though? Seem
by malanj 13y ago
You could probably get the same effect by just sending an e-mail using Gmail (or equivalent online service that wont let you modify its internals) though?
Seems much simpler, and you don't have to explain hashes to anyone....
- steren 13y agoSure, the idea is here. But I am not sure if Google can be a trusted party regarding timestamps of emails in court.
- malanj 13y agoThis sounds like a case of crypto nerd's fantasy: http://xkcd.com/538/ http://xkcd.com/538/ In theory... Judge: "The SHA1 hash in the bank transfer dated 1 Jan matches the hash I calculated for the document you supplied me, so you must have had access to the document on 1 Jan. I believe you" In reality... Judge: "Wait, you sent an e-mail with this document on 1 January?" You: "Sure, here's my gmail account. See this screenshot" Judge: "Well, that sorts it"