Encryption generalization

Cargo.toml

@@ -23,5 +23,4 @@ zcash_encoding = { path = "components/zcash_encoding" }
 zcash_note_encryption = { path = "components/zcash_note_encryption" }
 schemer = { git = "https://github.com/aschampion/schemer.git", rev = "6726b60f43f72c6e24a18d31be0ec7d42829e5e1" }
 schemer-rusqlite = { git = "https://github.com/aschampion/schemer.git", rev = "6726b60f43f72c6e24a18d31be0ec7d42829e5e1" }
-group = { git = "https://github.com/zkcrypto/group.git", rev = "f61e3e420ed1220c8f1f80988f8c6c5e202d8715" }
-orchard = { version = "0.3", git = "https://github.com/QED-it/orchard", rev = "5a50fb8d11361d3f7d1f3b2f6c0a468f88c0db49" }
+orchard = { version = "0.3", git = "https://github.com/QED-it/orchard", rev = "35da288c7867c5b0fb0ae84e444915689e49084c" }

components/zcash_note_encryption/Cargo.toml

@@ -11,7 +11,7 @@ repository = "https://github.com/zcash/librustzcash"
 readme = "README.md"
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.56.1"
+rust-version = "1.61.0"
 categories = ["cryptography::cryptocurrencies"]
 
 [package.metadata.docs.rs]

components/zcash_note_encryption/src/batch.rs

@@ -4,7 +4,7 @@ use alloc::vec::Vec; // module is alloc only
 
 use crate::{
     try_compact_note_decryption_inner, try_note_decryption_inner, BatchDomain, EphemeralKeyBytes,
-    ShieldedOutput, COMPACT_NOTE_SIZE, ENC_CIPHERTEXT_SIZE,
+    ShieldedOutput,
 };
 
 /// Trial decryption of a batch of notes with a set of recipients.
@@ -16,7 +16,7 @@ use crate::{
 /// provided, along with the index in the `ivks` slice associated with
 /// the IVK that successfully decrypted the output.
 #[allow(clippy::type_complexity)]
-pub fn try_note_decryption<D: BatchDomain, Output: ShieldedOutput<D, ENC_CIPHERTEXT_SIZE>>(
+pub fn try_note_decryption<D: BatchDomain, Output: ShieldedOutput<D>>(
     ivks: &[D::IncomingViewingKey],
     outputs: &[(D, Output)],
 ) -> Vec<Option<((D::Note, D::Recipient, D::Memo), usize)>> {
@@ -32,14 +32,14 @@ pub fn try_note_decryption<D: BatchDomain, Output: ShieldedOutput<D, ENC_CIPHERT
 /// provided, along with the index in the `ivks` slice associated with
 /// the IVK that successfully decrypted the output.
 #[allow(clippy::type_complexity)]
-pub fn try_compact_note_decryption<D: BatchDomain, Output: ShieldedOutput<D, COMPACT_NOTE_SIZE>>(
+pub fn try_compact_note_decryption<D: BatchDomain, Output: ShieldedOutput<D>>(
     ivks: &[D::IncomingViewingKey],
     outputs: &[(D, Output)],
 ) -> Vec<Option<((D::Note, D::Recipient), usize)>> {
     batch_note_decryption(ivks, outputs, try_compact_note_decryption_inner)
 }
 
-fn batch_note_decryption<D: BatchDomain, Output: ShieldedOutput<D, CS>, F, FR, const CS: usize>(
+fn batch_note_decryption<D: BatchDomain, Output: ShieldedOutput<D>, F, FR>(
     ivks: &[D::IncomingViewingKey],
     outputs: &[(D, Output)],
     decrypt_inner: F,