[package]
name = "smart-byte-bbs"
version.workspace = true
edition.workspace = true
rust-version.workspace = true
license.workspace = true
repository.workspace = true
description = "BBS+ signatures (Boneh-Boyen-Shacham) over BLS12-381 with selective disclosure for the Smart Byte substrate."

[dependencies]
smart-byte-core = { workspace = true }

# BLS12-381 primitives. `bls12_381` (RustCrypto) is the well-audited
# implementation we depend on; no unsafe code.
bls12_381 = { version = "0.8", default-features = false, features = ["alloc", "experimental", "groups", "pairings"] }
group = { version = "0.13", default-features = false }
ff = { version = "0.13", default-features = false }
pairing = { version = "0.23", default-features = false }

# Hash. `bls12_381` 0.8 still binds to the `digest` 0.9 trait surface,
# so its `hash_to_curve` API only accepts `sha2` 0.9 digests. We use
# the workspace `sha2` 0.10 for our Fiat-Shamir transcript and
# scalar-reduction helpers.
sha2 = "0.11"
sha2_v9 = { package = "sha2", version = "0.9", default-features = false }

# Serialisation.
serde = { workspace = true }
serde_json = "1"
serde_cbor = { workspace = true }
serde_bytes = { workspace = true }

# RNG + utilities.
rand = { workspace = true }
subtle = "2"
zeroize = { version = "1", features = ["derive"] }
thiserror = { workspace = true }

[dev-dependencies]
hex = "0.4"
# rand_chacha must come from the same generation as `rand` (0.8 -> rand_core 0.6),
# otherwise ChaCha20Rng implements a different RngCore than the one keygen() wants.
rand_chacha = "0.3"
chrono = { workspace = true }