Jack Grigg
d0056d9050
Test that we can't witness the identity as a NonIdentityPoint
2021-09-28 21:00:29 +01:00
Sean Bowe
ebfd919abc
Update circuit description.
2021-09-28 20:31:32 +01:00
str4d
aec3b1d52d
Remove unnecessary clones in closure
2021-09-28 20:31:32 +01:00
therealyingtong
52f53f3425
Remove IsIdentity trait from public EccInstructions.
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We only need is_identity() in tests and can implement it on the
concrete EccPoint type. This method is flagged off by #[cfg(test)].
Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 20:31:32 +01:00
therealyingtong
c80ccba801
Witness cm_old using Point::new().
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 20:31:32 +01:00
therealyingtong
b0de6afd7c
Reintroduce Point::new() API and constraints.
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 20:31:32 +01:00
Jack Grigg
751277cdb2
Remove `EccInstructions::NonIdentityPoint: TryFrom<Self::Point>` bound
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After the previous commit, this is no longer used anywhere. Additionally
it was not enforcing the conversion in the circuit, which could lead to
circuit implementation mistakes.
2021-09-28 13:13:25 -06:00
Jack Grigg
97c27e3d5a
Use complete addition in SinsemillaCommit
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This is necessary because the blinding factor r can be zero with greater
than negligible probability in an adversarial case, which with incomplete
addition would cause the circuit to compute a commitment that is not on
the curve.
2021-09-28 13:13:25 -06:00
therealyingtong
8c8a12a8df
Minor fixes.
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Co-authored-by: Jack Grigg <jack@electriccoin.co>
2021-09-28 13:13:25 -06:00
therealyingtong
fa560d3aee
Replace is_identity() instruction with IsIdentity trait.
2021-09-28 13:13:25 -06:00
therealyingtong
4a13ab4f6b
Docfixes.
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
Daira Hopwood
6b6b515232
`hash_to_point` should return `Result<(Self::NonIdentityPoint, Vec<Self::RunningSum>), Error>`
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because any exceptional case is treated as an error, and therefore the identity cannot be returned.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
8ad3003e27
Remove Point::new() API and introduce is_identity() instruction.
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Also remove the q_point selector and gate from the circuit.
2021-09-28 13:13:25 -06:00
therealyingtong
ec27989b9b
Clippy and formatting fixes.
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
a5a6e78d42
src/circuit.rs: Use NonIdentityPoint for all witnessed points.
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The witnessed points are cm_old, g_d_old, pk_d_old, ak.
g_d_new and pk_d_new are currently also witnessed as affine points,
which diverges from the spec.
Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
cdcfcbc0c2
gadget::sinsemilla: Propagate changes to the Sinsemilla gadget.
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
258fe5796b
ecc::chip: Propagate changes to sub-chips.
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
df26a6c674
chip::witness_point.rs: Constraints for non-identity point.
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The point_non_id() method returns an error if the given point is
the identity.
Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
88eb762cf2
ecc::chip.rs: Introduce NonIdentityEccPoint struct.
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
therealyingtong
f5ed26790a
gadget::ecc: Introduce NonIdentityPoint associated type and gadget.
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The add_incomplete() and mul() APIs have been removed from the
Point gadget, since we cannot perform incomplete addition or
variable-base scalar multiplication on the identity.
Co-authored-by: Daira Hopwood <daira@jacaranda.org>
2021-09-28 13:13:25 -06:00
Sean Bowe
f9aa765787
Add test against hardcoded pinned verification key
2021-09-28 12:54:13 -06:00
therealyingtong
1f2132a8c0
Use correct MERKLE_DEPTH_ORCHARD in proptests.
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Co-authored-by: Jack Grigg <jack@electriccoin.co>
2021-09-16 21:37:59 +02:00
therealyingtong
d47c157ae0
Replace arb_tree proptest with incrementalmerkletree impl.
2021-09-16 20:50:27 +02:00
therealyingtong
2c551db32b
Use gen_const_array_with_default where possible.
2021-09-16 18:20:51 +02:00
therealyingtong
291400ec33
Rename MerkleCrhOrchardOutput -> MerkleHashOrchard.
2021-09-16 15:38:01 +02:00
therealyingtong
e9dc2f747f
Move hash_with_l() logic into MerkleCrhOrchardOutput::combine().
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Co-authored-by: Jack Grigg <jack@electriccoin.co>
2021-09-16 15:37:22 +02:00
therealyingtong
58de805a13
sinsemilla::merkle.rs: Use tree::MerklePath::root in tests.
2021-09-16 15:36:24 +02:00
therealyingtong
f75f890a64
Update tree::MerklePath::root to be total.
2021-09-16 15:36:24 +02:00
Jack Grigg
414eef3ce5
memuse 0.2
2021-09-14 20:40:15 +01:00
Kris Nuttycombe
4488288ac0
Merge pull request #198 from zcash/merkle-path-test-vectors
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Add Merkle path test vectors
2021-09-14 07:22:28 -06:00
str4d
3dd2a1872a
Merge pull request #169 from zcash/circuit-constraint-refinements
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Circuit constraint refinements to reduce proof size
2021-09-14 02:05:41 +01:00
Jack Grigg
29a4bbcbc1
Add Merkle path test vectors
2021-09-14 00:15:39 +01:00
Daira Hopwood
ee44d2ccf0
Apply suggestions from code review
2021-09-07 02:45:10 +01:00
Daira Hopwood
97e18a8190
Apply suggestions from code review
2021-09-07 00:56:22 +01:00
Daira Hopwood
faddaf9e30
note_commit.rs: make two_pow_* definitions more consistent.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2021-09-07 00:52:37 +01:00
Jack Grigg
8c82ceecbf
ff 0.11, group 0.11, pasta_curves 0.2 etc.
2021-09-06 20:39:43 +01:00
Jack Grigg
7fad21e7d6
Switch to `memuse` crate for measuring heap allocations
2021-09-05 01:33:27 +01:00
Daira Hopwood
c24c67d5f0
cargo fmt
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2021-09-01 14:11:08 +01:00
Kris Nuttycombe
e4a54cdf61
Improve error handling in zip32 APIs.
2021-08-31 16:49:58 -06:00
therealyingtong
c3e24794f0
zip32.rs: master and child key derivation for ExtendedSpendingKey
2021-08-31 15:49:32 -06:00
Kris Nuttycombe
77be355912
Apply suggestions from code review
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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
Co-authored-by: ying tong <yingtong@z.cash>
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
0449edd5b8
Validate the sign of the y-coordinate for ak when deserializing.
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
43abadfb55
Adds decryption for a specific index within a bundle.
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
c406461f64
Expose inner representation of NoteValue
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
872f337811
Expose SpendingKey byte representation.
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
c803114bf6
Go ahead and clone IVKs to limit borrowing hassles.
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
d8bf892c72
Return key used to decrypt an output along with decrypted note contents.
2021-08-23 11:29:07 -06:00
Kris Nuttycombe
5d78ab3508
Add Eq and Ord implementations for Orchard keys.
2021-08-23 11:29:06 -06:00
Kris Nuttycombe
52f0f158ef
Add serialization and parsing of full viewing keys.
2021-08-23 11:28:27 -06:00
Kris Nuttycombe
1fd00e6236
Add raw address serialization and parsing.
2021-08-23 11:28:27 -06:00