saymrwulf/betrusted-curve25519-dalek-source
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wip: adding features back

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This commit is contained in:
David Kotval 2024-02-16 15:45:53 -06:00
parent e5f5371a9c
commit 22a6f18388
2 changed files with 14 additions and 4 deletions
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9
curve25519-dalek/Cargo.toml
View file

@ -56,8 +56,7 @@ subtle = { version = "2.3.0", default-features = false }
serde = { version = "1.0", default-features = false, optional = true, features = ["derive"] }
zeroize = { version = "1", default-features = false, optional = true }
# Betrusted/Precursor dependency set
[target.'cfg(curve25519_dalek_backend = "u32e_backend")'.dependencies]
# Betrusted/Precursor dependency set, enabled by backend_u32e feature
engine25519-as = {git = "https://github.com/betrusted-io/engine25519-as.git", rev = "d249c967556b02ab5439eacb5078fa00c60b93d6", default-features = false, features = [], optional = true}
engine-25519 = { git = "https://github.com/betrusted-io/xous-engine-25519.git", rev = "63d3d1f30736022e791deaacf4dd62c00b42fe2e", optional = true}
utralib = {version = "0.1.0", optional = true} # this is bogus -- must be patched in the invoking build environment TODO: if this builds, it seems a crate has been released as version 0.1.23 that could replace this
@ -65,16 +64,18 @@ utralib = {version = "0.1.0", optional = true} # this is bogus -- must be patche
[target.'cfg(target_arch = "x86_64")'.dependencies]
cpufeatures = "0.2.6"
[target.'cfg(curve25519_dalek_backend = "fiat")'.dependencies]
fiat-crypto = { version = "0.2.1", default-features = false }
fiat-crypto = { version = "0.2.1", default-features = false , optional = true}
[features]
default = ["alloc", "precomputed-tables", "zeroize"]
alloc = ["zeroize?/alloc"]
precomputed-tables = []
legacy_compatibility = []
backend_fiat = ["dep:fiat-crypto"]
backend_u32e = ["dep:engine25519-as","dep:engine-25519","dep:utralib"]
group = ["dep:group", "rand_core"]
group-bits = ["group", "ff/bits"]
# TODO: clean this up as you can't select deps like this
[target.'cfg(all(not(curve25519_dalek_backend = "fiat"), not(curve25519_dalek_backend = "serial"), target_arch = "x86_64"))'.dependencies]
curve25519-dalek-derive = { version = "0.1", path = "../curve25519-dalek-derive" }

9
curve25519-dalek/build.rs
View file

@ -9,12 +9,20 @@ enum DalekBits {
Dalek64,
}
macro_rules! build_debug {
($($tokens: tt)*) => {
println!("cargo:warning={}", format!($($tokens)*))
}
}
fn main() {
let curve25519_dalek_bits = match std::env::var("CARGO_CFG_CURVE25519_DALEK_BITS").as_deref() {
Ok("32") => DalekBits::Dalek32,
Ok("64") => DalekBits::Dalek64,
_ => deterministic::determine_curve25519_dalek_bits(),
};
build_debug!("CARGO_CFG_CURVE25519_DALEK_BITS: {:?}", std::env::var("CARGO_CFG_CURVE25519_DALEK_BITS").as_deref());
build_debug!("curve25519_dalek_bits {:?}", curve25519_dalek_bits);
match curve25519_dalek_bits {
DalekBits::Dalek64 => println!("cargo:rustc-cfg=curve25519_dalek_bits=\"64\""),
@ -61,6 +69,7 @@ fn main() {
false => "serial",
},
};
build_debug!("curve25519_dalek_backend {:?}", curve25519_dalek_backend);
println!("cargo:rustc-cfg=curve25519_dalek_backend=\"{curve25519_dalek_backend}\"");
}