Implementation of Schnorr signature module for mithril-stm.

mithril-stm/Cargo.toml

@@ -19,15 +19,30 @@ rug-backend = ["rug/default"]
 num-integer-backend = ["num-bigint", "num-rational", "num-traits"]
 benchmark-internals = [] # For benchmarking multi_sig
 future_proof_system = [] # For activating future proof systems
+future_snark = [
+    "ff",
+    "sha2",
+    "group",
+    "num-traits",
+    "dusk-poseidon",
+    "dusk-jubjub",
+] # For activating snark features
 
 [dependencies]
+anyhow = { workspace = true }
 blake2 = "0.10.6"
 # Enforce blst portable feature for runtime detection of Intel ADX instruction set.
 blst = { version = "0.3.16", features = ["portable"] }
 digest = { workspace = true }
+dusk-jubjub = { version = "0.15.1", optional = true }
+dusk-poseidon = { version = "0.41.0", optional = true }
+ff = { version = "0.13.1", optional = true }
+group = { version = "0.13.0", optional = true }
+num-traits = { version = "0.2.19", optional = true }
 rand_core = { workspace = true }
 rayon = { workspace = true }
 serde = { workspace = true }
+sha2 = { version = "0.10.9", optional = true }
 thiserror = { workspace = true }
 
 [target.'cfg(any(target_family = "wasm", target_env = "musl", windows))'.dependencies]

mithril-stm/src/lib.rs

@@ -117,6 +117,8 @@ mod key_registration;
 mod merkle_tree;
 mod parameters;
 mod participant;
+#[cfg(feature = "future_snark")]
+mod schnorr_signature;
 mod single_signature;
 
 pub use aggregate_signature::{