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README
RustCrypto: Utilities
This repository contains various utility crates used in the RustCrypto project.
Crates
| Name | crates.io | Docs | Description |
|---|---|---|---|
[aarch64-dit] |
 |
 |
Wrappers for enabling/disabling the Data Independent Timing (DIT) feature on AArch64 CPUs |
[blobby] |
 |
 |
Decoder of the simple de-duplicated binary blob storage format |
[block-buffer] |
 |
 |
Fixed size buffer for block processing of data |
[block‑padding] |
 |
 |
Padding and unpadding of messages divided into blocks |
[cmov] |
 |
 |
Conditional move intrinsics |
[cpubits] |
 |
 |
Compile-time detection heuristics for the optimal word size to use for the target CPU |
[cpufeatures] |
 |
 |
Lightweight and efficient alternative to the is_x86_feature_detected! macro |
[ctutils] |
 |
 |
Constant-time utility library with selection and equality testing support targeting cryptographic applications |
[dbl] |
 |
 |
Double operation in Galois Field (GF) |
[digest-io] |
 |
 |
std::io-compatibility wrappers for traits defined in the digest crate |
[hex-literal] |
 |
 |
A macro for converting hexadecimal strings to a byte array at compile time |
[inout] |
 |
 |
Custom reference types for code generic over in-place and buffer-to-buffer modes of operation |
[sponge-cursor] |
 |
 |
Cursor for sponge-based absorption and squeezing |
[wycheproof2blb] |
Utility for converting Wycheproof test vectors to the blobby format | ||
[zeroize] |
 |
 |
Securely zero memory while avoiding compiler optimizations |
License
All crates licensed under either of
at your option.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
Extension points exported contracts — how you extend this code
CtEq (Interface)
Constant-time equality: like `(Partial)Eq` with [`Choice`] instead of [`bool`]. Impl'd for: [`u8`], [`u16`], [`u32`], [ [12 …
ctutils/src/traits/ct_eq.rs
Zeroize (Interface)
Trait for securely erasing values from memory. [20 implementers]
zeroize/src/lib.rs
Cmov (Interface)
Conditional move [17 implementers]
cmov/src/lib.rs
Padding (Interface)
Trait for message padding algorithms. [6 implementers]
block-padding/src/lib.rs
Dbl (Interface)
Double and inverse double over `GF(2^n)` with the lexicographically first polynomial among the irreducible degree `n` po [3 …
dbl/src/lib.rs
BufferKind (Interface)
Trait for buffer kinds. [2 implementers]
block-buffer/src/lib.rs
T (Interface)
(no doc) [1 implementers]
zeroize/tests/zeroize_derive.rs
CtEqSlice (Interface)
Implementing this trait enables use of the [`CtEq`] trait for `[T]` where `T` is the `Self` type implementing the trait, [6 …
ctutils/src/traits/ct_eq.rs
Core symbols most depended-on inside this repo
len
called by 57
inout/src/inout_buf.rs
parse_zeroize_test
called by 22
zeroize_derive/src/lib.rs
expect
called by 17
ctutils/src/ct_option.rs
unwrap
called by 14
ctutils/src/ct_option.rs
zip
called by 12
ctutils/src/ct_option.rs
is_empty
called by 11
inout/src/inout_buf.rs
map
called by 10
ctutils/src/ct_option.rs
clone
called by 10
zeroize/src/lib.rs
Shape
Languages
Rust100%
Modules by API surface
ctutils/src/choice.rs103 symbols
ctutils/src/ct_option.rs76 symbols
zeroize_derive/src/lib.rs44 symbols
zeroize/tests/zeroize_derive.rs31 symbols
block-buffer/src/lib.rs30 symbols
zeroize/tests/zeroize.rs24 symbols
zeroize/src/lib.rs23 symbols
inout/src/inout_buf.rs22 symbols
digest-io/src/writer.rs20 symbols
digest-io/src/reader.rs20 symbols
block-padding/src/lib.rs20 symbols
block-buffer/src/read.rs16 symbols
For agents
$ claude mcp add utils \
-- python -m otcore.mcp_server <graph>