[package]
name = "curve25519-dalek"
# Before incrementing:
# - update CHANGELOG
# - update html_root_url
# - update README if required by semver
version = "3.1.0"
authors = ["Isis Lovecruft <isis@patternsinthevoid.net>",
           "Henry de Valence <hdevalence@hdevalence.ca>"]
readme = "README.md"
license = "BSD-3-Clause"
repository = "https://github.com/dalek-cryptography/curve25519-dalek"
homepage = "https://dalek.rs/curve25519-dalek"
documentation = "https://docs.rs/curve25519-dalek"
categories = ["cryptography", "no-std"]
keywords = ["cryptography", "crypto", "ristretto", "curve25519", "ristretto255"]
description = "A pure-Rust implementation of group operations on ristretto255 and Curve25519"
exclude = [
    "**/.gitignore",
    ".gitignore",
    ".travis.yml",
]

[package.metadata.docs.rs]
# Disabled for now since this is borked; tracking https://github.com/rust-lang/docs.rs/issues/302
# rustdoc-args = ["--html-in-header", ".cargo/registry/src/github.com-1ecc6299db9ec823/curve25519-dalek-0.13.2/rustdoc-include-katex-header.html"]
features = ["nightly", "simd_backend"]

[badges]
travis-ci = { repository = "dalek-cryptography/curve25519-dalek", branch = "master"}

[dev-dependencies]
sha2 = { version = "0.9", default-features = false }
bincode = "1"
criterion = "0.3.0"
hex = "0.4.2"
rand = "0.7"

[[bench]]
name = "dalek_benchmarks"
harness = false

[dependencies]
rand_core = { version = "0.5", default-features = false }
byteorder = { version = "^1.2.3", default-features = false, features = ["i128"] }
digest = { version = "0.9", default-features = false }
subtle = { version = "^2.2.1", default-features = false }
serde = { version = "1.0", default-features = false, optional = true, features = ["derive"] }
# The original packed_simd package was orphaned, see
# https://github.com/rust-lang/packed_simd/issues/303#issuecomment-701361161
packed_simd = { version = "0.3.4", package = "packed_simd_2", features = ["into_bits"], optional = true }
zeroize = { version = "1", default-features = false }
fiat-crypto = { version = "0.1.6", optional = true}

# 1. eliminate xous-engine-25519 crate
# 2. engine-25519 refers to a "0.1.0"
# 3. patch engine-25519 with a workspace patch in Xous
# 4. make a betrusted-soc accelerated feature configuration
# 5. make engine-25519 dependency only used when the betrusted-soc feature is specified
# 6. test that cargo test still works in `std`

# Betrusted/Precursor dependency set
#[dependencies.engine-25519]
#version = "0.1.0"
#optional = true
[dependencies.engine25519-as]
#git="https://github.com/betrusted-io/engine25519-as.git"
#rev="0bafc1ff8f58b66189d8c2f9ab7046cbbef77e6e"
path="../engine25519-as"
default-features = false
features = []
optional = true

[dev-dependencies.engine25519-as]
#git="https://github.com/betrusted-io/engine25519-as.git"
#rev="0bafc1ff8f58b66189d8c2f9ab7046cbbef77e6e"
path="../engine25519-as"

[features]
nightly = ["subtle/nightly"]
default = ["std", "u32_backend"]
std = ["alloc", "subtle/std", "rand_core/std"]
alloc = ["zeroize/alloc"]

# The u32 backend uses u32s with u64 products.
u32_backend = []
# The u64 backend uses u64s with u128 products.
u64_backend = []
# fiat-u64 backend (with formally-verified field arith) uses u64s with u128 products.
fiat_u64_backend = ["fiat-crypto"]
# fiat-u32 backend (with formally-verified field arith) uses u32s with u64 products.
fiat_u32_backend = ["fiat-crypto"]
# The SIMD backend uses parallel formulas, using either AVX2 or AVX512-IFMA.
simd_backend = ["nightly", "u64_backend", "packed_simd"]
# DEPRECATED: this is now an alias for `simd_backend` and may be removed
# in some future release.
avx2_backend = ["simd_backend"]
# the betrusted backend uses the curve25519 hardware accelerator in betrusted-soc
#betrusted = ["engine-25519", "engine25519-as"]

[workspace]