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Diverge link methods #346

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merged 5 commits into from
Feb 13, 2024
Merged

Diverge link methods #346

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154854c
Diverge linked vs sdlp-repeated messages
samtay Feb 11, 2024
c344a1c
Avoid allowing private interface warnings
samtay Feb 12, 2024
e2d252c
Export some extra types relevant to logproof builder
samtay Feb 12, 2024
ce093e8
Rename encrypt_initial to encrypt_and_share
samtay Feb 12, 2024
0d8aaf7
Names
samtay Feb 13, 2024
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2 changes: 1 addition & 1 deletion examples/private_tx_linkedproof/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ fn main() -> Result<()> {
let mut proof_builder = LogProofBuilder::new(&rt);

println!("Encrypting and sharing transaction...");
let (_ct, tx_msg) = proof_builder.encrypt_and_link(&tx, &public_key)?;
let (_ct, tx_msg) = proof_builder.encrypt_returning_link(&tx, &public_key)?;

println!("Building linkedproof...");
let lp = proof_builder
Expand Down
4 changes: 3 additions & 1 deletion sunscreen/src/linked.rs
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Expand Up @@ -24,4 +24,6 @@
//! encryption](crate::FheRuntime::encrypt), while also opting to _share_ a message with a linked
//! ZKP program. Under the hood, we'll handle the complicated bits of generating a linear relation
//! for SDLP and sharing the secrets with the [`zkp_program`](crate::zkp_program).
pub use sunscreen_runtime::{LinkedProof, LogProofBuilder, Sdlp};
pub use sunscreen_runtime::{
ExistingMessage, LinkWithZkp, LinkedMessage, LinkedProof, LogProofBuilder, Message, Sdlp,
};
36 changes: 22 additions & 14 deletions sunscreen/tests/linked.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@ mod linked_tests {
let mut proof_builder = LogProofBuilder::new(&rt);

let (_ct, tx_msg) = proof_builder
.encrypt_and_link(&Signed::from(tx), &public_key)
.encrypt_returning_link(&Signed::from(tx), &public_key)
.unwrap();

println!("Performing linked proof");
Expand Down Expand Up @@ -106,7 +106,7 @@ mod linked_tests {
for tx in [-1, balance + 1] {
let mut proof_builder = LogProofBuilder::new(&rt);
let (_ct, tx_msg) = proof_builder
.encrypt_and_link(&Signed::from(tx), &public_key)
.encrypt_returning_link(&Signed::from(tx), &public_key)
.unwrap();
proof_builder
.zkp_program(valid_transaction_zkp)
Expand Down Expand Up @@ -141,7 +141,7 @@ mod linked_tests {
for val in [3, 0, -3] {
let mut proof_builder = LogProofBuilder::new(&rt);
let (_ct, val_msg) = proof_builder
.encrypt_and_link(&Signed::from(val), &public_key)
.encrypt_returning_link(&Signed::from(val), &public_key)
.unwrap();
proof_builder
.zkp_program(is_eq_zkp)
Expand Down Expand Up @@ -196,7 +196,9 @@ mod linked_tests {
let x_d = rand::random::<i32>().saturating_abs().saturating_add(1) as i64;
let x = Rational::from(Rational64::new_raw(x_n, x_d));
let mut proof_builder = LogProofBuilder::new(&rt);
let (_ct, x_msg) = proof_builder.encrypt_and_link(&x, &public_key).unwrap();
let (_ct, x_msg) = proof_builder
.encrypt_returning_link(&x, &public_key)
.unwrap();
proof_builder
.zkp_program(is_eq_zkp)
.unwrap()
Expand Down Expand Up @@ -240,9 +242,11 @@ mod linked_tests {
let (x, y) = (Signed::from(x.min(y)), Signed::from(x.max(y)));

let mut proof_builder = LogProofBuilder::new(&rt);
let (_ct, x_msg) = proof_builder.encrypt_and_link(&x, &public_key).unwrap();
let (_ct, x_msg) = proof_builder
.encrypt_returning_link(&x, &public_key)
.unwrap();
let (_ct, y_msg) = proof_builder
.encrypt_symmetric_and_link(&y, &private_key)
.encrypt_symmetric_returning_link(&y, &private_key)
.unwrap();
proof_builder
.zkp_program(compare_signed_zkp)
Expand Down Expand Up @@ -293,8 +297,12 @@ mod linked_tests {
let (x, y) = (Rational::from(x.min(y)), Rational::from(x.max(y)));

let mut proof_builder = LogProofBuilder::new(&rt);
let (_ct, x_msg) = proof_builder.encrypt_and_link(&x, &public_key).unwrap();
let (_ct, y_msg) = proof_builder.encrypt_and_link(&y, &public_key).unwrap();
let (_ct, x_msg) = proof_builder
.encrypt_returning_link(&x, &public_key)
.unwrap();
let (_ct, y_msg) = proof_builder
.encrypt_returning_link(&y, &public_key)
.unwrap();
proof_builder
.zkp_program(compare_rational_zkp)
.unwrap()
Expand Down Expand Up @@ -340,13 +348,13 @@ mod linked_tests {
for val in [3, 0, -3] {
let mut proof_builder = LogProofBuilder::new(&rt);
let (_ct_x, x_msg) = proof_builder
.encrypt_and_link(&Signed::from(val), &public_key)
.encrypt_returning_link(&Signed::from(val), &public_key)
.unwrap();
// proves same plaintext within SDLP
let _ct_x1 = proof_builder.encrypt_linked(&x_msg, &public_key).unwrap();
let _ct_x1 = proof_builder.encrypt_msg(&x_msg, &public_key).unwrap();
// proves same value within ZKP
let (_ct_y, y_msg) = proof_builder
.encrypt_symmetric_and_link(&Signed::from(val), &private_key)
.encrypt_symmetric_returning_link(&Signed::from(val), &private_key)
.unwrap();
proof_builder
.zkp_program(is_eq_zkp)
Expand Down Expand Up @@ -414,7 +422,7 @@ mod linked_tests {
proof_builder.zkp_program(is_eq_zkp).unwrap();
for _ in 0..num_linked_inputs {
let (_ct, msg) = proof_builder
.encrypt_and_link(&Signed::from(1), &public_key)
.encrypt_returning_link(&Signed::from(1), &public_key)
.unwrap();
proof_builder.linked_input(msg);
}
Expand Down Expand Up @@ -449,10 +457,10 @@ mod linked_tests {
let mut proof_builder = LogProofBuilder::new(&rt);
proof_builder.zkp_program(compare_signed_zkp).unwrap();
let (_ct, signed_msg) = proof_builder
.encrypt_and_link(&Signed::from(1), &public_key)
.encrypt_returning_link(&Signed::from(1), &public_key)
.unwrap();
let (_ct, unsigned_msg) = proof_builder
.encrypt_and_link(&Unsigned64::from(1), &public_key)
.encrypt_returning_link(&Unsigned64::from(1), &public_key)
.unwrap();
proof_builder
.linked_input(signed_msg)
Expand Down
8 changes: 4 additions & 4 deletions sunscreen/tests/sdlp.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
mod sdlp_tests {
use lazy_static::lazy_static;
use logproof::rings::SealQ128_1024;
use sunscreen::types::bfv::{Signed, Unsigned64};
use sunscreen::types::bfv::{Fractional, Signed, Unsigned64};
use sunscreen_fhe_program::SchemeType;

use sunscreen_runtime::{FheRuntime, LogProofBuilder, Params};
Expand Down Expand Up @@ -52,13 +52,13 @@ mod sdlp_tests {
let mut logproof_builder = LogProofBuilder::new(&rt);

let (_a1, linked_a) = logproof_builder
.encrypt_and_link(&Signed::from(2), &public_key)
.encrypt_returning_msg(&Fractional::<64>::from(3.23), &public_key)
.unwrap();
let _a2 = logproof_builder
.encrypt_symmetric_linked(&linked_a, &private_key)
.encrypt_symmetric_msg(&linked_a, &private_key)
.unwrap();
let _other = logproof_builder
.encrypt(&Signed::from(3), &public_key)
.encrypt(&Signed::from(2), &public_key)
.unwrap();
let sdlp = logproof_builder.build_logproof().unwrap();
sdlp.verify().unwrap();
Expand Down
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