[package]
name = "sm2"
version = "0.1.0"
edition = "2021"
rust-version = "1.83.0"
license = "Apache-2.0"
description = "SM2 (ShangMi 2) elliptic curve cryptography — signature, encryption, key exchange (GB/T 32918-2016). Pure-Rust, no_std."
repository = "https://github.com/kintaiW/libsmx"
documentation = "https://docs.rs/sm2"
readme = "README.md"
categories = ["cryptography", "no-std"]
keywords = ["crypto", "ecc", "sm2", "shangmi", "signature"]

[dependencies]
# SM3 is used by SM2 for Z-value and message digest computation
sm3             = { path = "../sm3" }
# digest::Digest + Update traits (re-exported by sm3, but listed explicitly for clarity)
digest          = { workspace = true }
crypto-bigint   = { version = "0.6", default-features = false }
subtle          = { workspace = true }
zeroize         = { workspace = true }
rand_core       = { version = "0.6", default-features = false, features = ["getrandom"] }
# signature trait integration
signature       = { workspace = true }

[dev-dependencies]
hex-literal = { workspace = true }
rand        = { version = "0.8", default-features = false, features = ["std_rng"] }

[features]
default = ["alloc"]
# alloc: required for encrypt/decrypt (Vec-based ciphertext) and DER encoding
alloc = []
# hazmat: exposes sign_with_k (dangerous raw-k API, for testing only)
hazmat = []