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Add salt to the messages that contain a balance proof #1309

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hackaugusto opened this issue Mar 16, 2018 · 2 comments
Open

Add salt to the messages that contain a balance proof #1309

hackaugusto opened this issue Mar 16, 2018 · 2 comments

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@hackaugusto
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@hackaugusto hackaugusto commented Mar 16, 2018

Problem Definition

A balance proof can't be hashed to blind it's content because all fields are extremely regular, and brute forcing is not that hard for all situations. Adding a salt to the messages will force the additional_hash to a non-null value, which will make brute forcing of a balance proof hard.

@LefterisJP

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@LefterisJP LefterisJP commented Mar 19, 2018

Adding a hash to the messages will force the additional_hash to a non-null value, which will make brute forcing of a balance proof hard.

Can you perhaps provide an example? I do not understand what you mean by adding a hash to the message and why would that force additional_hash to a non-null value?

@hackaugusto

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@hackaugusto hackaugusto commented Mar 19, 2018

s/hash/salt/ should be:

Adding a salt to the messages will force the additional_hash to a non-null value

I edited the original

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