p521 0.14.0

Pure Rust implementation of the NIST P-521 (a.k.a. secp521r1) elliptic curve as defined in SP 800-186, with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic
Documentation 
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[package]
name = "p521"
version = "0.14.0"
description = """
Pure Rust implementation of the NIST P-521 (a.k.a. secp521r1) elliptic curve as defined in
SP 800-186, with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic
"""
authors = ["RustCrypto Developers"]
license = "Apache-2.0 OR MIT"
documentation = "https://docs.rs/p521"
homepage = "https://github.com/RustCrypto/elliptic-curves/tree/master/p521"
repository = "https://github.com/RustCrypto/elliptic-curves"
readme = "README.md"
categories = ["cryptography", "no-std"]
keywords = ["crypto", "ecc", "nist", "secp521r1"]
edition = "2024"
rust-version = "1.85"

[dependencies]
base16ct = "1"
elliptic-curve = { version = "0.14.1", default-features = false, features = ["sec1"] }

# optional dependencies
ecdsa-core = { version = "0.17", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
hash2curve = { version = "0.14", optional = true }
hex-literal = { version = "1", optional = true }
primefield = { version = "0.14", optional = true }
primeorder = { version = "0.14", optional = true }
rand_core = { version = "0.10", optional = true, default-features = false }
serdect = { version = "0.4", optional = true, default-features = false }
sha2 = { version = "0.11", optional = true, default-features = false }

[dev-dependencies]
criterion = "0.7"
ecdsa-core = { version = "0.17", package = "ecdsa", default-features = false, features = ["dev"] }
hex-literal = "1"
primeorder = { version = "0.14", features = ["dev"] }
proptest = "1.11"

[features]
default = ["arithmetic", "ecdsa", "pem", "precomputed-tables", "std"]
alloc = ["ecdsa-core?/alloc", "elliptic-curve/alloc", "primeorder?/alloc"]
std = ["alloc", "ecdsa-core?/std", "elliptic-curve/std", "getrandom", "primeorder?/std"]

arithmetic = ["dep:primefield", "dep:primeorder"]
digest = ["ecdsa-core/digest"]
ecdh = ["arithmetic", "elliptic-curve/ecdh"]
ecdsa = ["arithmetic", "ecdsa-core/algorithm", "sha512"]
hash2curve = ["arithmetic", "dep:hash2curve", "primeorder/hash2curve"]
getrandom = ["ecdsa-core?/getrandom", "elliptic-curve/getrandom"]
group-digest = ["hash2curve", "dep:sha2"]
oprf = ["group-digest"]
pem = ["elliptic-curve/pem", "pkcs8"]
pkcs8 = ["ecdsa-core?/pkcs8", "elliptic-curve/pkcs8"]
precomputed-tables = ["arithmetic", "primeorder/basepoint-table"]
serde = ["ecdsa-core?/serde", "elliptic-curve/serde", "primeorder?/serde", "serdect"]
sha512 = ["digest", "dep:sha2"]
test-vectors = ["dep:hex-literal"]

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

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

# NOTE: these are the only lints we explicitly want to configure for p521
[lints.rust.unexpected_cfgs]
level = "warn"
check-cfg = ['cfg(cpubits, values("16", "32", "64"))']

# NOTE: can't use `lints.workspace` because we override `lints.rust.unexpected_cfgs`
[lints.rust]
missing_copy_implementations = "warn"
missing_debug_implementations = "warn"
missing_docs = "warn"
trivial_casts = "warn"
trivial_numeric_casts = "warn"
unused_lifetimes = "warn"
unused_qualifications = "warn"

# NOTE: can't use `lints.workspace` because we override `lints.rust.unexpected_cfgs`
[lints.clippy]
borrow_as_ptr = "warn"
cast_lossless = "warn"
cast_possible_truncation = "warn"
cast_possible_wrap = "warn"
cast_precision_loss = "warn"
cast_sign_loss = "warn"
checked_conversions = "warn"
from_iter_instead_of_collect = "warn"
implicit_saturating_sub = "warn"
manual_assert = "warn"
map_unwrap_or = "warn"
missing_errors_doc = "warn"
missing_panics_doc = "warn"
mod_module_files = "warn"
must_use_candidate = "warn"
needless_range_loop = "allow"
ptr_as_ptr = "warn"
redundant_closure_for_method_calls = "warn"
ref_as_ptr = "warn"
return_self_not_must_use = "warn"
semicolon_if_nothing_returned = "warn"
trivially_copy_pass_by_ref = "warn"
std_instead_of_alloc = "warn"
std_instead_of_core = "warn"
undocumented_unsafe_blocks = "warn"
unnecessary_safety_comment = "warn"
unwrap_in_result = "warn"
unwrap_used = "warn"

[package.metadata.docs.rs]
all-features = true