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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /vendor/digest-0.8.1/src/lib.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-17d40c6057c88f4c432b0d7bac88e1b84cb7e67f.tar.xz rustc-17d40c6057c88f4c432b0d7bac88e1b84cb7e67f.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | vendor/digest-0.8.1/src/lib.rs | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/vendor/digest-0.8.1/src/lib.rs b/vendor/digest-0.8.1/src/lib.rs deleted file mode 100644 index f03c50107..000000000 --- a/vendor/digest-0.8.1/src/lib.rs +++ /dev/null @@ -1,141 +0,0 @@ -//! This crate provides traits which describe functionality of cryptographic hash -//! functions. -//! -//! Traits in this repository can be separated into two levels: -//! - Low level traits: `Input`, `BlockInput`, `Reset`, `FixedOutput`, -//! `VariableOutput`, `ExtendableOutput`. These traits atomically describe -//! available functionality of hash function implementations. -//! - Convenience trait: `Digest`, `DynDigest`. They are wrappers around -//! low level traits for most common hash-function use-cases. -//! -//! Additionally hash functions implement traits from `std`: `Default`, `Clone`, -//! `Write`. (the latter depends on enabled-by-default `std` crate feature) -//! -//! The `Digest` trait is the most commonly used trait. -#![no_std] -#![doc(html_logo_url = - "https://raw.githubusercontent.com/RustCrypto/meta/master/logo_small.png")] -pub extern crate generic_array; -#[cfg(feature = "std")] -#[macro_use] extern crate std; -#[cfg(feature = "dev")] -pub extern crate blobby; -use generic_array::{GenericArray, ArrayLength}; -#[cfg(feature = "std")] -use std::vec::Vec; - -mod digest; -mod dyn_digest; -mod errors; -#[cfg(feature = "dev")] -pub mod dev; - -pub use errors::InvalidOutputSize; -pub use digest::Digest; -#[cfg(feature = "std")] -pub use dyn_digest::DynDigest; - -/// Trait for processing input data -pub trait Input { - /// Digest input data. - /// - /// This method can be called repeatedly, e.g. for processing streaming - /// messages. - fn input<B: AsRef<[u8]>>(&mut self, data: B); - - /// Digest input data in a chained manner. - fn chain<B: AsRef<[u8]>>(mut self, data: B) -> Self where Self: Sized { - self.input(data); - self - } -} - -/// Trait to indicate that digest function processes data in blocks of size -/// `BlockSize`. -/// -/// The main usage of this trait is for implementing HMAC generically. -pub trait BlockInput { - type BlockSize: ArrayLength<u8>; -} - -/// Trait for returning digest result with the fixed size -pub trait FixedOutput { - type OutputSize: ArrayLength<u8>; - - /// Retrieve result and consume hasher instance. - fn fixed_result(self) -> GenericArray<u8, Self::OutputSize>; -} - -/// Trait for returning digest result with the variable size -pub trait VariableOutput: core::marker::Sized { - /// Create new hasher instance with the given output size. - /// - /// It will return `Err(InvalidOutputSize)` in case if hasher can not return - /// specified output size. It will always return an error if output size - /// equals to zero. - fn new(output_size: usize) -> Result<Self, InvalidOutputSize>; - - /// Get output size of the hasher instance provided to the `new` method - fn output_size(&self) -> usize; - - /// Retrieve result via closure and consume hasher. - /// - /// Closure is guaranteed to be called, length of the buffer passed to it - /// will be equal to `output_size`. - fn variable_result<F: FnOnce(&[u8])>(self, f: F); - - /// Retrieve result into vector and consume hasher. - #[cfg(feature = "std")] - fn vec_result(self) -> Vec<u8> { - let mut buf = Vec::with_capacity(self.output_size()); - self.variable_result(|res| buf.extend_from_slice(res)); - buf - } -} - -/// Trait for describing readers which are used to extract extendable output -/// from XOF (extendable-output function) result. -pub trait XofReader { - /// Read output into the `buffer`. Can be called unlimited number of times. - fn read(&mut self, buffer: &mut [u8]); -} - -/// Trait which describes extendable-output functions (XOF). -pub trait ExtendableOutput: core::marker::Sized { - type Reader: XofReader; - - /// Retrieve XOF reader and consume hasher instance. - fn xof_result(self) -> Self::Reader; - - /// Retrieve result into vector of specified length. - #[cfg(feature = "std")] - fn vec_result(self, n: usize) -> Vec<u8> { - let mut buf = vec![0u8; n]; - self.xof_result().read(&mut buf); - buf - } -} - -/// Trait for resetting hash instances -pub trait Reset { - /// Reset hasher instance to its initial state and return current state. - fn reset(&mut self); -} - -#[macro_export] -/// Implements `std::io::Write` trait for implementer of `Input` -macro_rules! impl_write { - ($hasher:ident) => { - #[cfg(feature = "std")] - impl ::std::io::Write for $hasher { - fn write(&mut self, buf: &[u8]) -> ::std::io::Result<usize> { - Input::input(self, buf); - Ok(buf.len()) - } - - fn flush(&mut self) -> ::std::io::Result<()> { - Ok(()) - } - } - } -} |