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Derive OVK via Blake2b as PRF^expand with t=2 

Co-Authored-By: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Deirdre Connolly 2020-03-28 15:14:49 -04:00 committed by Deirdre Connolly
parent 98a91ab92f
commit f5bdd449ee
1 changed files with 1 additions and 1 deletions
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2
zebra-chain/src/keys/sapling.rs
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@ -111,7 +111,7 @@ impl fmt::Debug for OutgoingViewingKey {
}
impl From<SpendingKey> for OutgoingViewingKey {
/// For this invocation of Blake2b-512 as PRF^expand, t=1.
/// For this invocation of Blake2b-512 as PRF^expand, t=2.
///
/// https://zips.z.cash/protocol/protocol.pdf#saplingkeycomponents
/// https://zips.z.cash/protocol/protocol.pdf#concreteprfs