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zkcrypto · Jun 12, 2018 · 3b05f8f · 3b05f8f
1 parent 065154c
commit 3b05f8f
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Showing 6 changed files with 60 additions and 45 deletions.
diff --git a/src/equihash.rs b/src/equihash.rs
@@ -44,7 +44,8 @@ impl Node {
     }
 
     fn from_children(a: Node, b: Node, trim: usize) -> Self {
-        let hash: Vec<_> = a.hash
+        let hash: Vec<_> = a
+            .hash
             .iter()
             .zip(b.hash.iter())
             .skip(trim)
@@ -66,7 +67,8 @@ impl Node {
     }
 
     fn from_children_ref(a: &Node, b: &Node, trim: usize) -> Self {
-        let hash: Vec<_> = a.hash
+        let hash: Vec<_> = a
+            .hash
             .iter()
             .zip(b.hash.iter())
             .skip(trim)

diff --git a/src/rustzcash.rs b/src/rustzcash.rs
@@ -9,17 +9,25 @@ extern crate sapling_crypto;
 #[macro_use]
 extern crate lazy_static;
 
-use pairing::{BitIterator, Field, PrimeField, PrimeFieldRepr, bls12_381::{Bls12, Fr, FrRepr}};
-
-use sapling_crypto::{circuit::multipack, constants::CRH_IVK_PERSONALIZATION,
-                     jubjub::{edwards, FixedGenerators, JubjubBls12, JubjubEngine, JubjubParams,
-                              PrimeOrder, ToUniform, Unknown, fs::{Fs, FsRepr}},
-                     pedersen_hash::{pedersen_hash, Personalization}, redjubjub::{self, Signature}};
+use pairing::{
+    bls12_381::{Bls12, Fr, FrRepr}, BitIterator, Field, PrimeField, PrimeFieldRepr,
+};
+
+use sapling_crypto::{
+    circuit::multipack, constants::CRH_IVK_PERSONALIZATION,
+    jubjub::{
+        edwards, fs::{Fs, FsRepr}, FixedGenerators, JubjubBls12, JubjubEngine, JubjubParams,
+        PrimeOrder, ToUniform, Unknown,
+    },
+    pedersen_hash::{pedersen_hash, Personalization}, redjubjub::{self, Signature},
+};
 
 use sapling_crypto::circuit::sprout::{self, TREE_DEPTH as SPROUT_TREE_DEPTH};
 
-use bellman::groth16::{create_random_proof, prepare_verifying_key, verify_proof, Parameters,
-                       PreparedVerifyingKey, Proof, VerifyingKey};
+use bellman::groth16::{
+    create_random_proof, prepare_verifying_key, verify_proof, Parameters, PreparedVerifyingKey,
+    Proof, VerifyingKey,
+};
 
 use blake2_rfc::blake2s::Blake2s;
 
@@ -28,7 +36,7 @@ use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 use rand::{OsRng, Rng};
 use std::io::BufReader;
 
-use libc::{c_char, c_uchar, size_t, int64_t, uint32_t, uint64_t};
+use libc::{c_char, c_uchar, int64_t, size_t, uint32_t, uint64_t};
 use std::ffi::CStr;
 use std::fs::File;
 use std::slice;
@@ -444,7 +452,6 @@ pub extern "system" fn librustzcash_sapling_compute_cm(
     true
 }
 
-
 #[no_mangle]
 pub extern "system" fn librustzcash_sapling_ka_agree(
     p: *const [c_uchar; 32],
@@ -460,7 +467,7 @@ pub extern "system" fn librustzcash_sapling_ka_agree(
     // Deserialize sk
     let sk = match Fs::from_repr(read_fs(&(unsafe { &*sk })[..])) {
         Ok(p) => p,
-        Err(_) => return false
+        Err(_) => return false,
     };
 
     // Multiply by 8
@@ -487,7 +494,7 @@ pub extern "system" fn librustzcash_sapling_ka_derivepublic(
     // Compute g_d from the diversifier
     let g_d = match diversifier.g_d::<Bls12>(&JUBJUB) {
         Some(g) => g,
-        None => return false
+        None => return false,
     };
 
     // Deserialize esk
@@ -893,7 +900,8 @@ pub extern "system" fn librustzcash_sprout_prove(
                 auth_path[i] = Some((sibling, false));
             }
 
-            let mut position = auth.read_u64::<LittleEndian>()
+            let mut position = auth
+                .read_u64::<LittleEndian>()
                 .expect("should have had index at the end");
 
             for i in 0..SPROUT_TREE_DEPTH {

diff --git a/src/tests/key_components.rs b/src/tests/key_components.rs
@@ -1,11 +1,15 @@
-use pairing::{PrimeField, PrimeFieldRepr, bls12_381::Bls12};
-use sapling_crypto::{jubjub::{FixedGenerators, JubjubEngine, JubjubParams, fs::FsRepr},
-                     primitives::{Diversifier, ProofGenerationKey}};
+use pairing::{bls12_381::Bls12, PrimeField, PrimeFieldRepr};
+use sapling_crypto::{
+    jubjub::{fs::FsRepr, FixedGenerators, JubjubEngine, JubjubParams},
+    primitives::{Diversifier, ProofGenerationKey},
+};
 
 use super::JUBJUB;
 
-use {librustzcash_ask_to_ak, librustzcash_check_diversifier, librustzcash_crh_ivk,
-     librustzcash_ivk_to_pkd, librustzcash_nsk_to_nk};
+use {
+    librustzcash_ask_to_ak, librustzcash_check_diversifier, librustzcash_crh_ivk,
+    librustzcash_ivk_to_pkd, librustzcash_nsk_to_nk,
+};
 
 #[test]
 fn key_components() {
@@ -64,7 +68,7 @@ fn key_components() {
                 0x51, 0x47, 0x92, 0x04,
             ],
             default_d: [
-                0xf1, 0x9d, 0x9b, 0x79, 0x7e, 0x39, 0xf3, 0x37, 0x44, 0x58, 0x39
+                0xf1, 0x9d, 0x9b, 0x79, 0x7e, 0x39, 0xf3, 0x37, 0x44, 0x58, 0x39,
             ],
             default_pk_d: [
                 0xdb, 0x4c, 0xd2, 0xb0, 0xaa, 0xc4, 0xf7, 0xeb, 0x8c, 0xa1, 0x31, 0xf1, 0x65, 0x67,
@@ -120,7 +124,7 @@ fn key_components() {
                 0xfc, 0x68, 0xa4, 0x06,
             ],
             default_d: [
-                0xae, 0xf1, 0x80, 0xf6, 0xe3, 0x4e, 0x35, 0x4b, 0x88, 0x8f, 0x81
+                0xae, 0xf1, 0x80, 0xf6, 0xe3, 0x4e, 0x35, 0x4b, 0x88, 0x8f, 0x81,
             ],
             default_pk_d: [
                 0xa6, 0xb1, 0x3e, 0xa3, 0x36, 0xdd, 0xb7, 0xa6, 0x7b, 0xb0, 0x9a, 0x0e, 0x68, 0xe9,
@@ -176,7 +180,7 @@ fn key_components() {
                 0x41, 0x95, 0x45, 0x05,
             ],
             default_d: [
-                0x75, 0x99, 0xf0, 0xbf, 0x9b, 0x57, 0xcd, 0x2d, 0xc2, 0x99, 0xb6
+                0x75, 0x99, 0xf0, 0xbf, 0x9b, 0x57, 0xcd, 0x2d, 0xc2, 0x99, 0xb6,
             ],
             default_pk_d: [
                 0x66, 0x14, 0x17, 0x39, 0x51, 0x4b, 0x28, 0xf0, 0x5d, 0xef, 0x8a, 0x18, 0xee, 0xee,
@@ -232,7 +236,7 @@ fn key_components() {
                 0x31, 0xc7, 0x26, 0x00,
             ],
             default_d: [
-                0x1b, 0x81, 0x61, 0x4f, 0x1d, 0xad, 0xea, 0x0f, 0x8d, 0x0a, 0x58
+                0x1b, 0x81, 0x61, 0x4f, 0x1d, 0xad, 0xea, 0x0f, 0x8d, 0x0a, 0x58,
             ],
             default_pk_d: [
                 0x25, 0xeb, 0x55, 0xfc, 0xcf, 0x76, 0x1f, 0xc6, 0x4e, 0x85, 0xa5, 0x88, 0xef, 0xe6,
@@ -288,7 +292,7 @@ fn key_components() {
                 0xb0, 0x1a, 0x1d, 0x04,
             ],
             default_d: [
-                0xfc, 0xfb, 0x68, 0xa4, 0x0d, 0x4b, 0xc6, 0xa0, 0x4b, 0x09, 0xc4
+                0xfc, 0xfb, 0x68, 0xa4, 0x0d, 0x4b, 0xc6, 0xa0, 0x4b, 0x09, 0xc4,
             ],
             default_pk_d: [
                 0x8b, 0x2a, 0x33, 0x7f, 0x03, 0x62, 0x2c, 0x24, 0xff, 0x38, 0x1d, 0x4c, 0x54, 0x6f,
@@ -344,7 +348,7 @@ fn key_components() {
                 0xa2, 0x17, 0x8e, 0x03,
             ],
             default_d: [
-                0xeb, 0x51, 0x98, 0x82, 0xad, 0x1e, 0x5c, 0xc6, 0x54, 0xcd, 0x59
+                0xeb, 0x51, 0x98, 0x82, 0xad, 0x1e, 0x5c, 0xc6, 0x54, 0xcd, 0x59,
             ],
             default_pk_d: [
                 0x6b, 0x27, 0xda, 0xcc, 0xb5, 0xa8, 0x20, 0x7f, 0x53, 0x2d, 0x10, 0xca, 0x23, 0x8f,
@@ -400,7 +404,7 @@ fn key_components() {
                 0x4f, 0x74, 0xc2, 0x05,
             ],
             default_d: [
-                0xbe, 0xbb, 0x0f, 0xb4, 0x6b, 0x8a, 0xaf, 0xf8, 0x90, 0x40, 0xf6
+                0xbe, 0xbb, 0x0f, 0xb4, 0x6b, 0x8a, 0xaf, 0xf8, 0x90, 0x40, 0xf6,
             ],
             default_pk_d: [
                 0xd1, 0x1d, 0xa0, 0x1f, 0x0b, 0x43, 0xbd, 0xd5, 0x28, 0x8d, 0x32, 0x38, 0x5b, 0x87,
@@ -456,7 +460,7 @@ fn key_components() {
                 0xb0, 0x5f, 0x84, 0x02,
             ],
             default_d: [
-                0xad, 0x6e, 0x2e, 0x18, 0x5a, 0x31, 0x00, 0xe3, 0xa6, 0xa8, 0xb3
+                0xad, 0x6e, 0x2e, 0x18, 0x5a, 0x31, 0x00, 0xe3, 0xa6, 0xa8, 0xb3,
             ],
             default_pk_d: [
                 0x32, 0xcb, 0x28, 0x06, 0xb8, 0x82, 0xf1, 0x36, 0x8b, 0x0d, 0x4a, 0x89, 0x8f, 0x72,
@@ -512,7 +516,7 @@ fn key_components() {
                 0xf1, 0x60, 0xe0, 0x01,
             ],
             default_d: [
-                0x21, 0xc9, 0x0e, 0x1c, 0x65, 0x8b, 0x3e, 0xfe, 0x86, 0xaf, 0x58
+                0x21, 0xc9, 0x0e, 0x1c, 0x65, 0x8b, 0x3e, 0xfe, 0x86, 0xaf, 0x58,
             ],
             default_pk_d: [
                 0x9e, 0x64, 0x17, 0x4b, 0x4a, 0xb9, 0x81, 0x40, 0x5c, 0x32, 0x3b, 0x5e, 0x12, 0x47,
@@ -568,7 +572,7 @@ fn key_components() {
                 0xff, 0x89, 0xed, 0x00,
             ],
             default_d: [
-                0x23, 0x3c, 0x4a, 0xb8, 0x86, 0xa5, 0x5e, 0x3b, 0xa3, 0x74, 0xc0
+                0x23, 0x3c, 0x4a, 0xb8, 0x86, 0xa5, 0x5e, 0x3b, 0xa3, 0x74, 0xc0,
             ],
             default_pk_d: [
                 0xb6, 0x8e, 0x9e, 0xe0, 0xc0, 0x67, 0x8d, 0x7b, 0x30, 0x36, 0x93, 0x1c, 0x83, 0x1a,

diff --git a/src/tests/mod.rs b/src/tests/mod.rs
@@ -2,10 +2,10 @@ use sapling_crypto::jubjub::{FixedGenerators, JubjubParams};
 
 use super::JUBJUB;
 
-mod notes;
+mod key_agreement;
 mod key_components;
+mod notes;
 mod signatures;
-mod key_agreement;
 
 #[test]
 fn sapling_generators() {

diff --git a/src/tests/notes.rs b/src/tests/notes.rs
@@ -60,7 +60,7 @@ fn notes() {
                 0x51, 0x47, 0x92, 0x04,
             ],
             default_d: [
-                0xf1, 0x9d, 0x9b, 0x79, 0x7e, 0x39, 0xf3, 0x37, 0x44, 0x58, 0x39
+                0xf1, 0x9d, 0x9b, 0x79, 0x7e, 0x39, 0xf3, 0x37, 0x44, 0x58, 0x39,
             ],
             default_pk_d: [
                 0xdb, 0x4c, 0xd2, 0xb0, 0xaa, 0xc4, 0xf7, 0xeb, 0x8c, 0xa1, 0x31, 0xf1, 0x65, 0x67,
@@ -122,7 +122,7 @@ fn notes() {
                 0xfc, 0x68, 0xa4, 0x06,
             ],
             default_d: [
-                0xae, 0xf1, 0x80, 0xf6, 0xe3, 0x4e, 0x35, 0x4b, 0x88, 0x8f, 0x81
+                0xae, 0xf1, 0x80, 0xf6, 0xe3, 0x4e, 0x35, 0x4b, 0x88, 0x8f, 0x81,
             ],
             default_pk_d: [
                 0xa6, 0xb1, 0x3e, 0xa3, 0x36, 0xdd, 0xb7, 0xa6, 0x7b, 0xb0, 0x9a, 0x0e, 0x68, 0xe9,
@@ -184,7 +184,7 @@ fn notes() {
                 0x41, 0x95, 0x45, 0x05,
             ],
             default_d: [
-                0x75, 0x99, 0xf0, 0xbf, 0x9b, 0x57, 0xcd, 0x2d, 0xc2, 0x99, 0xb6
+                0x75, 0x99, 0xf0, 0xbf, 0x9b, 0x57, 0xcd, 0x2d, 0xc2, 0x99, 0xb6,
             ],
             default_pk_d: [
                 0x66, 0x14, 0x17, 0x39, 0x51, 0x4b, 0x28, 0xf0, 0x5d, 0xef, 0x8a, 0x18, 0xee, 0xee,
@@ -246,7 +246,7 @@ fn notes() {
                 0x31, 0xc7, 0x26, 0x00,
             ],
             default_d: [
-                0x1b, 0x81, 0x61, 0x4f, 0x1d, 0xad, 0xea, 0x0f, 0x8d, 0x0a, 0x58
+                0x1b, 0x81, 0x61, 0x4f, 0x1d, 0xad, 0xea, 0x0f, 0x8d, 0x0a, 0x58,
             ],
             default_pk_d: [
                 0x25, 0xeb, 0x55, 0xfc, 0xcf, 0x76, 0x1f, 0xc6, 0x4e, 0x85, 0xa5, 0x88, 0xef, 0xe6,
@@ -308,7 +308,7 @@ fn notes() {
                 0xb0, 0x1a, 0x1d, 0x04,
             ],
             default_d: [
-                0xfc, 0xfb, 0x68, 0xa4, 0x0d, 0x4b, 0xc6, 0xa0, 0x4b, 0x09, 0xc4
+                0xfc, 0xfb, 0x68, 0xa4, 0x0d, 0x4b, 0xc6, 0xa0, 0x4b, 0x09, 0xc4,
             ],
             default_pk_d: [
                 0x8b, 0x2a, 0x33, 0x7f, 0x03, 0x62, 0x2c, 0x24, 0xff, 0x38, 0x1d, 0x4c, 0x54, 0x6f,
@@ -370,7 +370,7 @@ fn notes() {
                 0xa2, 0x17, 0x8e, 0x03,
             ],
             default_d: [
-                0xeb, 0x51, 0x98, 0x82, 0xad, 0x1e, 0x5c, 0xc6, 0x54, 0xcd, 0x59
+                0xeb, 0x51, 0x98, 0x82, 0xad, 0x1e, 0x5c, 0xc6, 0x54, 0xcd, 0x59,
             ],
             default_pk_d: [
                 0x6b, 0x27, 0xda, 0xcc, 0xb5, 0xa8, 0x20, 0x7f, 0x53, 0x2d, 0x10, 0xca, 0x23, 0x8f,
@@ -432,7 +432,7 @@ fn notes() {
                 0x4f, 0x74, 0xc2, 0x05,
             ],
             default_d: [
-                0xbe, 0xbb, 0x0f, 0xb4, 0x6b, 0x8a, 0xaf, 0xf8, 0x90, 0x40, 0xf6
+                0xbe, 0xbb, 0x0f, 0xb4, 0x6b, 0x8a, 0xaf, 0xf8, 0x90, 0x40, 0xf6,
             ],
             default_pk_d: [
                 0xd1, 0x1d, 0xa0, 0x1f, 0x0b, 0x43, 0xbd, 0xd5, 0x28, 0x8d, 0x32, 0x38, 0x5b, 0x87,
@@ -494,7 +494,7 @@ fn notes() {
                 0xb0, 0x5f, 0x84, 0x02,
             ],
             default_d: [
-                0xad, 0x6e, 0x2e, 0x18, 0x5a, 0x31, 0x00, 0xe3, 0xa6, 0xa8, 0xb3
+                0xad, 0x6e, 0x2e, 0x18, 0x5a, 0x31, 0x00, 0xe3, 0xa6, 0xa8, 0xb3,
             ],
             default_pk_d: [
                 0x32, 0xcb, 0x28, 0x06, 0xb8, 0x82, 0xf1, 0x36, 0x8b, 0x0d, 0x4a, 0x89, 0x8f, 0x72,
@@ -556,7 +556,7 @@ fn notes() {
                 0xf1, 0x60, 0xe0, 0x01,
             ],
             default_d: [
-                0x21, 0xc9, 0x0e, 0x1c, 0x65, 0x8b, 0x3e, 0xfe, 0x86, 0xaf, 0x58
+                0x21, 0xc9, 0x0e, 0x1c, 0x65, 0x8b, 0x3e, 0xfe, 0x86, 0xaf, 0x58,
             ],
             default_pk_d: [
                 0x9e, 0x64, 0x17, 0x4b, 0x4a, 0xb9, 0x81, 0x40, 0x5c, 0x32, 0x3b, 0x5e, 0x12, 0x47,
@@ -618,7 +618,7 @@ fn notes() {
                 0xff, 0x89, 0xed, 0x00,
             ],
             default_d: [
-                0x23, 0x3c, 0x4a, 0xb8, 0x86, 0xa5, 0x5e, 0x3b, 0xa3, 0x74, 0xc0
+                0x23, 0x3c, 0x4a, 0xb8, 0x86, 0xa5, 0x5e, 0x3b, 0xa3, 0x74, 0xc0,
             ],
             default_pk_d: [
                 0xb6, 0x8e, 0x9e, 0xe0, 0xc0, 0x67, 0x8d, 0x7b, 0x30, 0x36, 0x93, 0x1c, 0x83, 0x1a,

diff --git a/src/tests/signatures.rs b/src/tests/signatures.rs
@@ -1,6 +1,7 @@
-use pairing::{PrimeField, PrimeFieldRepr, bls12_381::Bls12};
-use sapling_crypto::{jubjub::{FixedGenerators, JubjubEngine},
-                     redjubjub::{PrivateKey, PublicKey, Signature}};
+use pairing::{bls12_381::Bls12, PrimeField, PrimeFieldRepr};
+use sapling_crypto::{
+    jubjub::{FixedGenerators, JubjubEngine}, redjubjub::{PrivateKey, PublicKey, Signature},
+};
 
 use super::JUBJUB;