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35 Commits

Author SHA1 Message Date
Kris Nuttycombe 1a8ded0038 Add a `Rho` type, to distinguish from revealed note nullifiers. 
This change removes the ability to construct a `Rho` value directly from
the public API, except via deserialization from bytes (which is
necessary in order to be able to serialize a `Note`). Ordinarily, `Rho`
should be obtained either from an already-constructed `Note` or from an
`Action` or `CompactAction`.
 2024-03-12 17:20:43 -06:00
Kris Nuttycombe 9729cd8d26 Add note_encryption::CompactAction::cmx 2024-02-26 10:03:16 -07:00
Kris Nuttycombe 8cc96b5420 Add `impl Clone for note_encryption::CompactAction` 2024-02-26 09:44:02 -07:00
Kris Nuttycombe 2a4f27c937 Update `zcash_note_encryption` to remove unused arguments from parse_note_plaintext_without_memo_ovk. 2023-05-26 09:28:01 -06:00
Jack Grigg 90e64cbac0 Remove redundant checks during note encryption 
The consistency check between `esk` and `ephemeral_key` is checked
inside `zcash_note_encryption::try_output_recovery_with_ock`, and the
requirement to check it inside the `Domain` implementation is being
lifted in zcash/librustzcash#848.

Removing the check here improves performance, both because we avoid an
extra scalar multiplication from `esk.derive_public()`, and because we
avoid an unnecessary `spec::diversify_hash()` call which is expensive
for Orchard.
 2023-05-19 16:43:17 +00:00
Kris Nuttycombe dca33119b4 Migrate to zcash_note_encryption 0.3.0 2023-03-21 10:48:47 -06:00
Jack Grigg 050b2f231e Add `memuse::DynamicUsage` impls for types used for batch scanning 2022-10-15 23:29:06 +00:00
Jack Grigg 0b4d7bc9c6 Migrate note encryption to use prepared w-NAF APIs 2022-10-15 23:27:57 +00:00
Kris Nuttycombe b81d0d1198
Merge pull request #344 from zingolabs/publicize_note_and_diversifier_construction 
Publicize necessary functionality for creating diversifiers and notes from data
 2022-09-15 12:39:56 -06:00
Hazel OHearn 0800d23fe7
Publicize diversifier method of Address, fix comments, etc 2022-09-15 14:40:21 -03:00
Daira Hopwood 2ff7ff4a54 Dummy implementation of Domain methods for prepared ivk and epk. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2022-09-15 03:33:04 +01:00
Hazel OHearn 22b77c028f
Remove unneeded generic type from for_nullifier 2022-06-23 16:29:55 -03:00
Hazel OHearn 6956c18d31
Add CompactAction::nullifier getter fn 2022-06-23 16:06:37 -03:00
Hazel OHearn 4e12b4e90a
Add OrchardDomain::for_nullifier and CompactAction::from_parts 2022-06-22 17:41:24 -03:00
Jack Grigg c0b7fa2007 Add nullifier field to `CompactAction` 
Also reorders the fields to match the ZIP 244 order.

Closes zcash/orchard#243.
 2022-05-04 15:01:05 +00:00
Jack Grigg 5c5c999439 Move `orchard::bundle::Action` to its own module 
The `Bundle` struct is variable in size and requires allocations, but
`Action` is not. This split will make it cleaner to disable the bundle
logic for no-std support.
 2022-04-28 22:59:07 +00:00
Jack Grigg b1ce38405a Use `core` instead of `std` where possible 2022-04-28 20:20:23 +00:00
Jack Grigg 4574d4793a Migrate to 2021 edition 2022-04-28 17:23:30 +00:00
Jack Grigg 17ad25ee35 Merge branch 'non-consensus-changes-on-branchid-c4cd541e' into merge-non-consensus-changes 2022-02-15 22:46:47 +00:00
Kris Nuttycombe ae3cc78a56 Add decryption of the diversifier index for an address to the IVK. 
Also correct a spelling error.
 2022-02-14 17:04:38 -07:00
Jack Grigg f300cea2c8 Fix clippy lints 
These became stable lints between 1.51 and 1.54.
 2022-01-28 23:00:00 +08:00
Jack Grigg 0e1220acc9 Merge branch 'main' into orchard-mainnet-circuit 2021-12-20 15:20:33 +00:00
Jack Grigg 4b0b32275f Migrate to latest `zcash_note_encryption` API 2021-12-17 05:31:24 +00:00
Jack Grigg 0378898289 Replace `FieldExt::{from, to}_bytes` with `PrimeField::{from, to}_repr` 2021-12-09 15:39:37 +00:00
Jack Grigg 8c018eff7e Migrate to `zcash_note_encryption::BatchDomain` 2021-11-17 12:15:21 +00:00
Jack Grigg 79988a5317 Move the interpolation logic into `SharedSecret::batch_to_affine` 
This makes the method interface clearer, as the same pattern of shared
secrets is returned as was provided.
 2021-08-13 14:27:20 +01:00
Jack Grigg 8e13986101 Implement `Domain::batch_epk` for note decryption 
Improves throughput of batched trial decryption by around 10%.
 2021-08-12 01:36:38 +01:00
Jack Grigg 2283310236 Expose `orchard::note_encryption::{CompactAction, OrchardNoteEncryption}` 
This also removes the `orchard::OrchardDomain` re-export, which is now
available at `orchard::note_encryption::OrchardDomain`.
 2021-08-06 01:01:12 +01:00
Kris Nuttycombe ab2622f59c Make note encryption OrchardDomain type public. 2021-06-30 12:47:37 -06:00
Kris Nuttycombe 234eed9cbb
Update src/note_encryption.rs 
Co-authored-by: str4d <jack@electriccoin.co>
 2021-06-30 11:58:28 -06:00
Kris Nuttycombe 1e95360a74 Add for_action method for constructing an OrchardDomain 2021-06-30 11:21:07 -06:00
Daira Hopwood 81fb944997 Make this crate clippy clean for warnings on nightly. 
One .clone() removal; all of the other changes are removing needless borrows that are immediately
dereferenced: https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-06-21 18:04:00 +01:00
Daira Hopwood 1c19bea842 Fix clippy lints. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-06-16 19:13:40 +01:00
Jack Grigg 769be6c080 Note encryption test vectors 2021-06-11 23:55:17 +01:00
Jack Grigg 99665572a2 Orchard note encryption 2021-06-11 23:55:16 +01:00