Sean Bowe
6 years ago
commit
7c86f96035
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Copyrights in the "sapling-mpc" library are retained by their contributors. No |
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copyright assignment is required to contribute to the "sapling-mpc" library. |
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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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|
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at your option. |
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|
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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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@ -0,0 +1,201 @@ |
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Apache License |
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Version 2.0, January 2004 |
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http://www.apache.org/licenses/ |
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5. Submission of Contributions. Unless You explicitly state otherwise, |
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END OF TERMS AND CONDITIONS |
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APPENDIX: How to apply the Apache License to your work. |
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To apply the Apache License to your work, attach the following |
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boilerplate notice, with the fields enclosed by brackets "[]" |
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Copyright [yyyy] [name of copyright owner] |
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See the License for the specific language governing permissions and |
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@ -0,0 +1,23 @@ |
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Permission is hereby granted, free of charge, to any |
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TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
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SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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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