zec
/
zcash_note_encryption
mirror of https://github.com/zcash/zcash_note_encryption.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

zcash_note_encryption: Place pre-ZIP 212 APIs behind a feature flag 

Extracted from: 01c768dbeb
This commit is contained in:
Jack Grigg 2021-12-17 01:32:50 +00:00
parent f79d84fe59
commit df05017f1a
2 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Cargo.toml
View File

@ -28,6 +28,7 @@ jubjub = "0.8"
[features] [features]
default = ["std"] default = ["std"]
alloc = [] alloc = []
pre-zip-212 = []
std = ["alloc", "blake2b_simd/std"] std = ["alloc", "blake2b_simd/std"]
[lib] [lib]

11
src/lib.rs
View File

@ -291,12 +291,21 @@ impl<D: Domain> NoteEncryption<D> {
memo: D::Memo, memo: D::Memo,
) -> Self { ) -> Self {
let esk = D::derive_esk(&note).expect("ZIP 212 is active."); let esk = D::derive_esk(&note).expect("ZIP 212 is active.");
Self::new_with_esk(esk, ovk, note, to, memo) NoteEncryption {
epk: D::ka_derive_public(&note, &esk),
esk,
note,
to,
memo,
ovk,
}
} }
/// For use only with Sapling. This method is preserved in order that test code /// For use only with Sapling. This method is preserved in order that test code
/// be able to generate pre-ZIP-212 ciphertexts so that tests can continue to /// be able to generate pre-ZIP-212 ciphertexts so that tests can continue to
/// cover pre-ZIP-212 transaction decryption. /// cover pre-ZIP-212 transaction decryption.
#[cfg(feature = "pre-zip-212")]
#[cfg_attr(docsrs, doc(cfg(feature = "pre-zip-212")))]
pub fn new_with_esk( pub fn new_with_esk(
esk: D::EphemeralSecretKey, esk: D::EphemeralSecretKey,
ovk: Option<D::OutgoingViewingKey>, ovk: Option<D::OutgoingViewingKey>,