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zcash_note_encryption
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Add `#![no_std]` support for zcash_note_encryption (#450) 

Co-authored-by: str4d <thestr4d@gmail.com>

Extracted from: 0ec7f97c97
This commit is contained in:
jarys 2021-11-24 14:58:52 +01:00 committed by GitHub
parent 96fb053f6d
commit f79d84fe59
3 changed files with 24 additions and 10 deletions
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21
Cargo.toml
View File

@ -12,18 +12,23 @@ license = "MIT OR Apache-2.0"
edition = "2018"
[dependencies]
blake2b_simd = "0.5"
byteorder = "1"
chacha20 = "0.8"
chacha20poly1305 = "0.9"
ff = "0.11"
group = "0.11"
rand_core = "0.6"
subtle = "2.2.3"
blake2b_simd = { version = "0.5", default-features = false }
byteorder = { version = "1", default-features = false }
chacha20 = { version = "0.8", default-features = false }
chacha20poly1305 = { version = "0.9", default-features = false }
ff = { version = "0.11", default-features = false }
group = { version = "0.11", default-features = false }
rand_core = { version = "0.6", default-features = false }
subtle = { version = "2.2.3", default-features = false }
[dev-dependencies]
zcash_primitives = { version = "0.5", path = "../../zcash_primitives" }
jubjub = "0.8"
[features]
default = ["std"]
alloc = []
std = ["alloc", "blake2b_simd/std"]
[lib]
bench = false

3
src/batch.rs
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@ -1,6 +1,7 @@
//! APIs for batch trial decryption.
use std::iter;
use alloc::vec::Vec; // module is alloc only
use core::iter;
use crate::{
try_compact_note_decryption_inner, try_note_decryption_inner, BatchDomain, EphemeralKeyBytes,

10
src/lib.rs
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@ -3,12 +3,18 @@
//! functionality that is shared between the Sapling and Orchard
//! protocols.
#![no_std]
// Catch documentation errors caused by code changes.
#![deny(broken_intra_doc_links)]
#![deny(unsafe_code)]
// TODO: #![deny(missing_docs)]
use std::convert::TryInto;
#[cfg(feature = "alloc")]
extern crate alloc;
#[cfg(feature = "alloc")]
use alloc::vec::Vec;
use core::convert::TryInto;
use chacha20::{
cipher::{NewCipher, StreamCipher, StreamCipherSeek},
@ -22,6 +28,7 @@ use chacha20poly1305::{
use rand_core::RngCore;
use subtle::{Choice, ConstantTimeEq};
#[cfg(feature = "alloc")]
pub mod batch;
pub const COMPACT_NOTE_SIZE: usize = 1 + // version
@ -174,6 +181,7 @@ pub trait Domain {
fn extract_esk(out_plaintext: &[u8; OUT_PLAINTEXT_SIZE]) -> Option<Self::EphemeralSecretKey>;
}
#[cfg(feature = "alloc")]
pub trait BatchDomain: Domain {
/// Computes `Self::kdf` on a batch of items.
///