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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:47:55 +0000
commit2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4 (patch)
tree033cc839730fda84ff08db877037977be94e5e3a /vendor/p384/src/lib.rs
parentInitial commit. (diff)
downloadcargo-2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4.tar.xz
cargo-2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4.zip
Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/p384/src/lib.rs')
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+#![no_std]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![doc(
+ html_logo_url = "https://raw.githubusercontent.com/RustCrypto/meta/master/logo.svg",
+ html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/meta/master/logo.svg"
+)]
+#![forbid(unsafe_code)]
+#![warn(missing_docs, rust_2018_idioms, unused_qualifications)]
+#![doc = include_str!("../README.md")]
+
+//! ## `serde` support
+//!
+//! When the `serde` feature of this crate is enabled, `Serialize` and
+//! `Deserialize` are impl'd for the following types:
+//!
+//! - [`AffinePoint`]
+//! - [`Scalar`]
+//! - [`ecdsa::VerifyingKey`]
+//!
+//! Please see type-specific documentation for more information.
+
+#[cfg(feature = "arithmetic")]
+mod arithmetic;
+
+#[cfg(feature = "ecdh")]
+pub mod ecdh;
+
+#[cfg(feature = "ecdsa-core")]
+pub mod ecdsa;
+
+#[cfg(any(feature = "test-vectors", test))]
+pub mod test_vectors;
+
+pub use elliptic_curve::{self, bigint::U384, consts::U48};
+
+#[cfg(feature = "arithmetic")]
+pub use arithmetic::{scalar::Scalar, AffinePoint, ProjectivePoint};
+
+#[cfg(feature = "expose-field")]
+pub use arithmetic::field::FieldElement;
+
+#[cfg(feature = "pkcs8")]
+pub use elliptic_curve::pkcs8;
+
+use elliptic_curve::{
+ bigint::ArrayEncoding, consts::U49, generic_array::GenericArray, FieldBytesEncoding,
+};
+
+/// Order of NIST P-384's elliptic curve group (i.e. scalar modulus) in hexadecimal.
+const ORDER_HEX: &str = "ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973";
+
+/// NIST P-384 elliptic curve.
+#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, PartialOrd, Ord)]
+pub struct NistP384;
+
+impl elliptic_curve::Curve for NistP384 {
+ /// 48-byte serialized field elements.
+ type FieldBytesSize = U48;
+
+ /// 384-bit integer type used for internally representing field elements.
+ type Uint = U384;
+
+ /// Order of NIST P-384's elliptic curve group (i.e. scalar modulus).
+ const ORDER: U384 = U384::from_be_hex(ORDER_HEX);
+}
+
+impl elliptic_curve::PrimeCurve for NistP384 {}
+
+impl elliptic_curve::point::PointCompression for NistP384 {
+ /// NIST P-384 points are typically uncompressed.
+ const COMPRESS_POINTS: bool = false;
+}
+
+impl elliptic_curve::point::PointCompaction for NistP384 {
+ /// NIST P-384 points are typically uncompressed.
+ const COMPACT_POINTS: bool = false;
+}
+
+#[cfg(feature = "jwk")]
+impl elliptic_curve::JwkParameters for NistP384 {
+ const CRV: &'static str = "P-384";
+}
+
+#[cfg(feature = "pkcs8")]
+impl pkcs8::AssociatedOid for NistP384 {
+ const OID: pkcs8::ObjectIdentifier = pkcs8::ObjectIdentifier::new_unwrap("1.3.132.0.34");
+}
+
+/// Compressed SEC1-encoded NIST P-384 curve point.
+pub type CompressedPoint = GenericArray<u8, U49>;
+
+/// NIST P-384 SEC1 encoded point.
+pub type EncodedPoint = elliptic_curve::sec1::EncodedPoint<NistP384>;
+
+/// NIST P-384 field element serialized as bytes.
+///
+/// Byte array containing a serialized field element value (base field or
+/// scalar).
+pub type FieldBytes = elliptic_curve::FieldBytes<NistP384>;
+
+impl FieldBytesEncoding<NistP384> for U384 {
+ fn decode_field_bytes(field_bytes: &FieldBytes) -> Self {
+ U384::from_be_byte_array(*field_bytes)
+ }
+
+ fn encode_field_bytes(&self) -> FieldBytes {
+ self.to_be_byte_array()
+ }
+}
+
+/// Non-zero NIST P-384 scalar field element.
+#[cfg(feature = "arithmetic")]
+pub type NonZeroScalar = elliptic_curve::NonZeroScalar<NistP384>;
+
+/// NIST P-384 public key.
+#[cfg(feature = "arithmetic")]
+pub type PublicKey = elliptic_curve::PublicKey<NistP384>;
+
+/// NIST P-384 secret key.
+pub type SecretKey = elliptic_curve::SecretKey<NistP384>;
+
+#[cfg(not(feature = "arithmetic"))]
+impl elliptic_curve::sec1::ValidatePublicKey for NistP384 {}
+
+/// Bit representation of a NIST P-384 scalar field element.
+#[cfg(feature = "bits")]
+pub type ScalarBits = elliptic_curve::scalar::ScalarBits<NistP384>;
+
+#[cfg(feature = "voprf")]
+impl elliptic_curve::VoprfParameters for NistP384 {
+ /// See <https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-19.html#name-oprfp-384-sha-384-2>.
+ const ID: &'static str = "P384-SHA384";
+
+ /// See <https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-08.html#section-4.4-1.2>.
+ type Hash = sha2::Sha384;
+}