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Migrate to blake2b_simd and blake2s_simd crates

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The primary reason for migrating is that these crates provide APIs for
setting the personalisation string. This enables us to depend solely on
published crates, and thus publish our own crates.

The SIMD implementations are ported from libsodium.

Closes #67.
This commit is contained in:
Jack Grigg
2019-06-04 13:15:12 +01:00
parent 91c6b0b3f0
commit 999dcbfcab
20 changed files with 172 additions and 129 deletions
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10
librustzcash/src/rustzcash.rs
View File

@@ -1,5 +1,6 @@
extern crate bellman;
extern crate blake2_rfc;
extern crate blake2b_simd;
extern crate blake2s_simd;
extern crate byteorder;
extern crate ff;
extern crate libc;
@@ -33,7 +34,7 @@ use bellman::groth16::{
create_random_proof, verify_proof, Parameters, PreparedVerifyingKey, Proof,
};
use blake2_rfc::blake2s::Blake2s;
use blake2s_simd::Params as Blake2sParams;
use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -336,7 +337,10 @@ pub extern "system" fn librustzcash_crh_ivk(
let ak = unsafe { &*ak };
let nk = unsafe { &*nk };
let mut h = Blake2s::with_params(32, &[], &[], CRH_IVK_PERSONALIZATION);
let mut h = Blake2sParams::new()
.hash_length(32)
.personal(CRH_IVK_PERSONALIZATION)
.to_state();
h.update(ak);
h.update(nk);
let mut h = h.finalize().as_ref().to_vec();