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Integrity and time
Definition
Nonce
A random value added before hashing so nobody can guess the content.
Definition
A number or string used once. Added to low-entropy content before hashing, it makes the hash unguessable by anyone who does not hold it.
In Trustvice
For content with few possible values, include a random nonce in what you hash and keep it with the original. The receipt then proves existence without letting a reader guess the content.
What it is not
Not something Trustvice adds or stores for you. If you lose the nonce, you can no longer show that your content matches the hash.
Standards and sources
No single standard defines this term. The definition above is how it is used on this site.
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Definition