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d570c1d277
I don't love this. I wanted to simply add this function to `processor/key-gen`, but then anyone who wants a view key needs to pull in Bulletproofs which is a mess of code. They'd also be subject to an AGPL licensed library. This is so small it should be a primitive elsewhere, yet there is no primitives library eligible. Maybe serai-client since that has the code to make transactions to Serai (and will have this as a dependency)? Except then the processor has to import serai-client when this rewrite removed it as a dependency.
14 lines
412 B
Rust
14 lines
412 B
Rust
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
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#![doc = include_str!("../README.md")]
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#![deny(missing_docs)]
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use ciphersuite::Ciphersuite;
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/// Generate a view key for usage within Serai.
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///
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/// `k` is the index of the key to generate (enabling generating multiple view keys within a
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/// single context).
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pub fn view_key<C: Ciphersuite>(k: u64) -> C::F {
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C::hash_to_F(b"Serai DEX View Key", &k.to_le_bytes())
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}
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