Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 197 insertions, 0 deletions

diff --git a/vendor/elliptic-curve/src/lib.rs b/vendor/elliptic-curve/src/lib.rs
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+++ b/vendor/elliptic-curve/src/lib.rs
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+#![no_std]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![doc = include_str!("../README.md")]
+#![doc(
+    html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
+    html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg"
+)]
+#![forbid(unsafe_code)]
+#![warn(
+    clippy::cast_lossless,
+    clippy::cast_possible_truncation,
+    clippy::cast_possible_wrap,
+    clippy::cast_precision_loss,
+    clippy::cast_sign_loss,
+    clippy::checked_conversions,
+    clippy::implicit_saturating_sub,
+    clippy::integer_arithmetic,
+    clippy::mod_module_files,
+    clippy::panic,
+    clippy::panic_in_result_fn,
+    clippy::unwrap_used,
+    missing_docs,
+    rust_2018_idioms,
+    unused_lifetimes,
+    unused_qualifications
+)]
+
+//! ## Usage
+//!
+//! This crate provides traits for describing elliptic curves, along with
+//! types which are generic over elliptic curves which can be used as the
+//! basis of curve-agnostic code.
+//!
+//! It's intended to be used with the following concrete elliptic curve
+//! implementations from the [`RustCrypto/elliptic-curves`] project:
+//!
+//! - [`bp256`]: brainpoolP256r1 and brainpoolP256t1
+//! - [`bp384`]: brainpoolP384r1 and brainpoolP384t1
+//! - [`k256`]: secp256k1 a.k.a. K-256
+//! - [`p224`]: NIST P-224 a.k.a. secp224r1
+//! - [`p256`]: NIST P-256 a.k.a secp256r1, prime256v1
+//! - [`p384`]: NIST P-384 a.k.a. secp384r1
+//! - [`p521`]: NIST P-521 a.k.a. secp521r1
+//!
+//! The [`ecdsa`] crate provides a generic implementation of the
+//! Elliptic Curve Digital Signature Algorithm which can be used with any of
+//! the above crates, either via an external ECDSA implementation, or
+//! using native curve arithmetic where applicable.
+//!
+//! ## Type conversions
+//!
+//! The following chart illustrates the various conversions possible between
+//! the various types defined by this crate.
+//!
+//! ![Type Conversion Map](https://raw.githubusercontent.com/RustCrypto/media/master/img/elliptic-curve/type-transforms.svg)
+//!
+//! ## `serde` support
+//!
+//! When the `serde` feature of this crate is enabled, `Serialize` and
+//! `Deserialize` impls are provided for the following types:
+//!
+//! - [`JwkEcKey`]
+//! - [`PublicKey`]
+//! - [`ScalarPrimitive`]
+//!
+//! Please see type-specific documentation for more information.
+//!
+//! [`RustCrypto/elliptic-curves`]: https://github.com/RustCrypto/elliptic-curves
+//! [`bp256`]: https://github.com/RustCrypto/elliptic-curves/tree/master/bp256
+//! [`bp384`]: https://github.com/RustCrypto/elliptic-curves/tree/master/bp384
+//! [`k256`]: https://github.com/RustCrypto/elliptic-curves/tree/master/k256
+//! [`p224`]: https://github.com/RustCrypto/elliptic-curves/tree/master/p224
+//! [`p256`]: https://github.com/RustCrypto/elliptic-curves/tree/master/p256
+//! [`p384`]: https://github.com/RustCrypto/elliptic-curves/tree/master/p384
+//! [`p521`]: https://github.com/RustCrypto/elliptic-curves/tree/master/p521
+//! [`ecdsa`]: https://github.com/RustCrypto/signatures/tree/master/ecdsa
+
+#[cfg(feature = "alloc")]
+#[allow(unused_imports)]
+#[macro_use]
+extern crate alloc;
+#[cfg(feature = "std")]
+extern crate std;
+
+pub mod point;
+pub mod scalar;
+
+#[cfg(feature = "dev")]
+pub mod dev;
+#[cfg(feature = "ecdh")]
+pub mod ecdh;
+#[cfg(feature = "hash2curve")]
+pub mod hash2curve;
+#[cfg(feature = "arithmetic")]
+pub mod ops;
+#[cfg(feature = "sec1")]
+pub mod sec1;
+#[cfg(feature = "arithmetic")]
+pub mod weierstrass;
+
+mod error;
+mod field;
+mod secret_key;
+
+#[cfg(feature = "arithmetic")]
+mod arithmetic;
+#[cfg(feature = "arithmetic")]
+mod public_key;
+
+#[cfg(feature = "jwk")]
+mod jwk;
+
+#[cfg(feature = "voprf")]
+mod voprf;
+
+pub use crate::{
+    error::{Error, Result},
+    field::{FieldBytes, FieldBytesEncoding, FieldBytesSize},
+    scalar::ScalarPrimitive,
+    secret_key::SecretKey,
+};
+pub use crypto_bigint as bigint;
+pub use generic_array::{self, typenum::consts};
+pub use rand_core;
+pub use subtle;
+pub use zeroize;
+
+#[cfg(feature = "arithmetic")]
+pub use {
+    crate::{
+        arithmetic::{CurveArithmetic, PrimeCurveArithmetic},
+        point::{AffinePoint, ProjectivePoint},
+        public_key::PublicKey,
+        scalar::{NonZeroScalar, Scalar},
+    },
+    ff::{self, Field, PrimeField},
+    group::{self, Group},
+};
+
+#[cfg(feature = "jwk")]
+pub use crate::jwk::{JwkEcKey, JwkParameters};
+
+#[cfg(feature = "pkcs8")]
+pub use pkcs8;
+
+#[cfg(feature = "voprf")]
+pub use crate::voprf::VoprfParameters;
+
+use core::{
+    fmt::Debug,
+    ops::{Add, ShrAssign},
+};
+use generic_array::ArrayLength;
+
+/// Algorithm [`ObjectIdentifier`][`pkcs8::ObjectIdentifier`] for elliptic
+/// curve public key cryptography (`id-ecPublicKey`).
+///
+/// <http://oid-info.com/get/1.2.840.10045.2.1>
+#[cfg(feature = "pkcs8")]
+pub const ALGORITHM_OID: pkcs8::ObjectIdentifier =
+    pkcs8::ObjectIdentifier::new_unwrap("1.2.840.10045.2.1");
+
+/// Elliptic curve.
+///
+/// This trait is intended to be impl'd by a ZST which represents a concrete
+/// elliptic curve.
+///
+/// Other traits in this crate which are bounded by [`Curve`] are intended to
+/// be impl'd by these ZSTs, facilitating types which are generic over elliptic
+/// curves (e.g. [`SecretKey`]).
+pub trait Curve: 'static + Copy + Clone + Debug + Default + Eq + Ord + Send + Sync {
+    /// Size of a serialized field element in bytes.
+    ///
+    /// This is typically the same as `Self::Uint::ByteSize` but for curves
+    /// with an unusual field modulus (e.g. P-224, P-521) it may be different.
+    type FieldBytesSize: ArrayLength<u8> + Add + Eq;
+
+    /// Integer type used to represent field elements of this elliptic curve.
+    type Uint: bigint::ArrayEncoding
+        + bigint::AddMod<Output = Self::Uint>
+        + bigint::Encoding
+        + bigint::Integer
+        + bigint::NegMod<Output = Self::Uint>
+        + bigint::Random
+        + bigint::RandomMod
+        + bigint::SubMod<Output = Self::Uint>
+        + zeroize::Zeroize
+        + FieldBytesEncoding<Self>
+        + ShrAssign<usize>;
+
+    /// Order of this elliptic curve, i.e. number of elements in the scalar
+    /// field.
+    const ORDER: Self::Uint;
+}
+
+/// Marker trait for elliptic curves with prime order.
+pub trait PrimeCurve: Curve {}