Initial commit
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commit
7c86f96035
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phase1*
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params
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/target/
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**/*.rs.bk
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params
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new_params
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Copyrights in the "sapling-mpc" library are retained by their contributors. No
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||||||
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copyright assignment is required to contribute to the "sapling-mpc" library.
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||||||
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||||||
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The "sapling-mpc" library is licensed under either of
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||||||
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* Apache License, Version 2.0, (see ./LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
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* MIT license (see ./LICENSE-MIT or http://opensource.org/licenses/MIT)
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at your option.
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Unless you explicitly state otherwise, any contribution intentionally
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submitted for inclusion in the work by you, as defined in the Apache-2.0
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license, shall be dual licensed as above, without any additional terms or
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conditions.
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@ -0,0 +1,30 @@
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[package]
|
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|
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|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["Sean Bowe <ewillbefull@gmail.com>"]
|
||||||
|
|
||||||
|
[[bin]]
|
||||||
|
name = "new"
|
||||||
|
required-features = ["verification"]
|
||||||
|
|
||||||
|
[[bin]]
|
||||||
|
name = "verify"
|
||||||
|
required-features = ["verification"]
|
||||||
|
|
||||||
|
[[bin]]
|
||||||
|
name = "compute"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
phase2 = "0.2.1"
|
||||||
|
pairing = "0.14"
|
||||||
|
rand = "0.4"
|
||||||
|
blake2-rfc = "0.2"
|
||||||
|
|
||||||
|
[dependencies.sapling-crypto]
|
||||||
|
git = "https://github.com/zcash-hackworks/sapling-crypto"
|
||||||
|
rev = "e554b473dd10885d232f42237c13282f5b6fee43"
|
||||||
|
optional = true
|
||||||
|
|
||||||
|
[features]
|
||||||
|
verification = ["sapling-crypto"]
|
||||||
|
u128-support = ["pairing/u128-support"]
|
|
@ -0,0 +1,201 @@
|
||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
|
||||||
|
|
||||||
|
"License" shall mean the terms and conditions for use, reproduction,
|
||||||
|
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|
||||||
|
|
||||||
|
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|
||||||
|
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|
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|
|
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|
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|
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|
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|
||||||
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
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|
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APPENDIX: How to apply the Apache License to your work.
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@ -0,0 +1,23 @@
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|
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|
DEALINGS IN THE SOFTWARE.
|
|
@ -0,0 +1,19 @@
|
||||||
|
# sapling-mpc
|
||||||
|
|
||||||
|
This library is still under development.
|
||||||
|
|
||||||
|
## License
|
||||||
|
|
||||||
|
Licensed under either of
|
||||||
|
|
||||||
|
* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
|
||||||
|
* MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
|
||||||
|
|
||||||
|
at your option.
|
||||||
|
|
||||||
|
### Contribution
|
||||||
|
|
||||||
|
Unless you explicitly state otherwise, any contribution intentionally
|
||||||
|
submitted for inclusion in the work by you, as defined in the Apache-2.0
|
||||||
|
license, shall be dual licensed as above, without any additional terms or
|
||||||
|
conditions.
|
|
@ -0,0 +1,58 @@
|
||||||
|
extern crate phase2;
|
||||||
|
extern crate pairing;
|
||||||
|
extern crate rand;
|
||||||
|
extern crate blake2_rfc;
|
||||||
|
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io::{BufWriter, BufReader};
|
||||||
|
use blake2_rfc::blake2b::Blake2b;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let current_params = File::open("params").expect("couldn't open `./params`");
|
||||||
|
let mut current_params = BufReader::with_capacity(1024*1024, current_params);
|
||||||
|
|
||||||
|
let new_params = File::create("new_params").expect("couldn't create `./new_params`");
|
||||||
|
let mut new_params = BufWriter::with_capacity(1024*1024, new_params);
|
||||||
|
|
||||||
|
let mut sapling_spend = phase2::MPCParameters::read(&mut current_params, false)
|
||||||
|
.expect("couldn't deserialize Sapling Spend params");
|
||||||
|
|
||||||
|
let mut sapling_output = phase2::MPCParameters::read(&mut current_params, false)
|
||||||
|
.expect("couldn't deserialize Sapling Output params");
|
||||||
|
|
||||||
|
let mut sprout_joinsplit = phase2::MPCParameters::read(&mut current_params, false)
|
||||||
|
.expect("couldn't deserialize Sprout JoinSplit params");
|
||||||
|
|
||||||
|
let rng = &mut rand::OsRng::new().expect("couldn't create RNG");
|
||||||
|
|
||||||
|
let h1 = sapling_spend.contribute(rng);
|
||||||
|
let h2 = sapling_output.contribute(rng);
|
||||||
|
let h3 = sprout_joinsplit.contribute(rng);
|
||||||
|
|
||||||
|
sapling_spend.write(&mut new_params).expect("couldn't write new Sapling Spend params");
|
||||||
|
sapling_output.write(&mut new_params).expect("couldn't write new Sapling Spend params");
|
||||||
|
sprout_joinsplit.write(&mut new_params).expect("couldn't write new Sapling Spend params");
|
||||||
|
|
||||||
|
let mut h = Blake2b::new(64);
|
||||||
|
h.update(&h1);
|
||||||
|
h.update(&h2);
|
||||||
|
h.update(&h3);
|
||||||
|
let h = h.finalize();
|
||||||
|
|
||||||
|
print!("Done!\n\n\
|
||||||
|
Your contribution has been written to `./new_params`\n\n\
|
||||||
|
The contribution you made is bound to the following hash:\n");
|
||||||
|
|
||||||
|
for line in h.as_ref().chunks(16) {
|
||||||
|
print!("\t");
|
||||||
|
for section in line.chunks(4) {
|
||||||
|
for b in section {
|
||||||
|
print!("{:02x}", b);
|
||||||
|
}
|
||||||
|
print!(" ");
|
||||||
|
}
|
||||||
|
println!("");
|
||||||
|
}
|
||||||
|
|
||||||
|
println!("\n");
|
||||||
|
}
|
|
@ -0,0 +1,65 @@
|
||||||
|
extern crate phase2;
|
||||||
|
extern crate sapling_crypto;
|
||||||
|
extern crate pairing;
|
||||||
|
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io::BufWriter;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let jubjub_params = sapling_crypto::jubjub::JubjubBls12::new();
|
||||||
|
|
||||||
|
let params = File::create("params").unwrap();
|
||||||
|
let mut params = BufWriter::with_capacity(1024 * 1024, params);
|
||||||
|
|
||||||
|
// Sapling spend circuit
|
||||||
|
phase2::MPCParameters::new(sapling_crypto::circuit::sapling::Spend {
|
||||||
|
params: &jubjub_params,
|
||||||
|
value_commitment: None,
|
||||||
|
proof_generation_key: None,
|
||||||
|
payment_address: None,
|
||||||
|
commitment_randomness: None,
|
||||||
|
ar: None,
|
||||||
|
auth_path: vec![None; 32], // Tree depth is 32 for sapling
|
||||||
|
anchor: None
|
||||||
|
}).unwrap().write(&mut params).unwrap();
|
||||||
|
|
||||||
|
// Sapling output circuit
|
||||||
|
phase2::MPCParameters::new(sapling_crypto::circuit::sapling::Output {
|
||||||
|
params: &jubjub_params,
|
||||||
|
value_commitment: None,
|
||||||
|
payment_address: None,
|
||||||
|
commitment_randomness: None,
|
||||||
|
esk: None
|
||||||
|
}).unwrap().write(&mut params).unwrap();
|
||||||
|
|
||||||
|
// Sprout joinsplit circuit
|
||||||
|
phase2::MPCParameters::new(sapling_crypto::circuit::sprout::JoinSplit {
|
||||||
|
vpub_old: None,
|
||||||
|
vpub_new: None,
|
||||||
|
h_sig: None,
|
||||||
|
phi: None,
|
||||||
|
inputs: vec![sapling_crypto::circuit::sprout::JSInput {
|
||||||
|
value: None,
|
||||||
|
a_sk: None,
|
||||||
|
rho: None,
|
||||||
|
r: None,
|
||||||
|
auth_path: [None; 29] // Depth is 29 for Sprout
|
||||||
|
}, sapling_crypto::circuit::sprout::JSInput {
|
||||||
|
value: None,
|
||||||
|
a_sk: None,
|
||||||
|
rho: None,
|
||||||
|
r: None,
|
||||||
|
auth_path: [None; 29] // Depth is 29 for Sprout
|
||||||
|
}],
|
||||||
|
outputs: vec![sapling_crypto::circuit::sprout::JSOutput {
|
||||||
|
value: None,
|
||||||
|
a_pk: None,
|
||||||
|
r: None
|
||||||
|
}, sapling_crypto::circuit::sprout::JSOutput {
|
||||||
|
value: None,
|
||||||
|
a_pk: None,
|
||||||
|
r: None
|
||||||
|
}],
|
||||||
|
rt: None,
|
||||||
|
}).unwrap().write(&mut params).unwrap();
|
||||||
|
}
|
|
@ -0,0 +1,96 @@
|
||||||
|
extern crate phase2;
|
||||||
|
extern crate sapling_crypto;
|
||||||
|
extern crate pairing;
|
||||||
|
extern crate blake2_rfc;
|
||||||
|
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io::BufReader;
|
||||||
|
use blake2_rfc::blake2b::Blake2b;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let jubjub_params = sapling_crypto::jubjub::JubjubBls12::new();
|
||||||
|
|
||||||
|
let params = File::open("params").unwrap();
|
||||||
|
let mut params = BufReader::with_capacity(1024 * 1024, params);
|
||||||
|
|
||||||
|
let sapling_spend = phase2::MPCParameters::read(&mut params, false)
|
||||||
|
.expect("couldn't deserialize Sapling Spend params");
|
||||||
|
|
||||||
|
let sapling_output = phase2::MPCParameters::read(&mut params, false)
|
||||||
|
.expect("couldn't deserialize Sapling Output params");
|
||||||
|
|
||||||
|
let sprout_joinsplit = phase2::MPCParameters::read(&mut params, false)
|
||||||
|
.expect("couldn't deserialize Sprout JoinSplit params");
|
||||||
|
|
||||||
|
let sapling_spend_contributions = sapling_spend.verify(sapling_crypto::circuit::sapling::Spend {
|
||||||
|
params: &jubjub_params,
|
||||||
|
value_commitment: None,
|
||||||
|
proof_generation_key: None,
|
||||||
|
payment_address: None,
|
||||||
|
commitment_randomness: None,
|
||||||
|
ar: None,
|
||||||
|
auth_path: vec![None; 32], // Tree depth is 32 for sapling
|
||||||
|
anchor: None
|
||||||
|
}).expect("parameters are invalid");
|
||||||
|
|
||||||
|
let sapling_output_contributions = sapling_output.verify(sapling_crypto::circuit::sapling::Output {
|
||||||
|
params: &jubjub_params,
|
||||||
|
value_commitment: None,
|
||||||
|
payment_address: None,
|
||||||
|
commitment_randomness: None,
|
||||||
|
esk: None
|
||||||
|
}).expect("parameters are invalid");
|
||||||
|
|
||||||
|
let sprout_joinsplit_contributions = sprout_joinsplit.verify(sapling_crypto::circuit::sprout::JoinSplit {
|
||||||
|
vpub_old: None,
|
||||||
|
vpub_new: None,
|
||||||
|
h_sig: None,
|
||||||
|
phi: None,
|
||||||
|
inputs: vec![sapling_crypto::circuit::sprout::JSInput {
|
||||||
|
value: None,
|
||||||
|
a_sk: None,
|
||||||
|
rho: None,
|
||||||
|
r: None,
|
||||||
|
auth_path: [None; 29] // Depth is 29 for Sprout
|
||||||
|
}, sapling_crypto::circuit::sprout::JSInput {
|
||||||
|
value: None,
|
||||||
|
a_sk: None,
|
||||||
|
rho: None,
|
||||||
|
r: None,
|
||||||
|
auth_path: [None; 29] // Depth is 29 for Sprout
|
||||||
|
}],
|
||||||
|
outputs: vec![sapling_crypto::circuit::sprout::JSOutput {
|
||||||
|
value: None,
|
||||||
|
a_pk: None,
|
||||||
|
r: None
|
||||||
|
}, sapling_crypto::circuit::sprout::JSOutput {
|
||||||
|
value: None,
|
||||||
|
a_pk: None,
|
||||||
|
r: None
|
||||||
|
}],
|
||||||
|
rt: None,
|
||||||
|
}).expect("parameters are invalid");
|
||||||
|
|
||||||
|
for ((a, b), c) in sapling_spend_contributions.into_iter()
|
||||||
|
.zip(sapling_output_contributions.into_iter())
|
||||||
|
.zip(sprout_joinsplit_contributions)
|
||||||
|
{
|
||||||
|
let mut h = Blake2b::new(64);
|
||||||
|
h.update(&a);
|
||||||
|
h.update(&b);
|
||||||
|
h.update(&c);
|
||||||
|
let h = h.finalize();
|
||||||
|
|
||||||
|
println!("{}", into_hex(h.as_ref()));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn into_hex(h: &[u8]) -> String {
|
||||||
|
let mut f = String::new();
|
||||||
|
|
||||||
|
for byte in &h[..] {
|
||||||
|
f += &format!("{:02x}", byte);
|
||||||
|
}
|
||||||
|
|
||||||
|
f
|
||||||
|
}
|
Loading…
Reference in New Issue