A collection of Rust crates implementing digital signature algorithms like DSA, ECDSA, Ed25519, and post-quantum schemes.
RustCrypto Signatures is a collection of Rust crates that implement various digital signature algorithms for data authentication using public-key cryptography. It provides standardized, interoperable implementations of algorithms like DSA, ECDSA, Ed25519, and post-quantum schemes such as ML-DSA and SLH-DSA. The crates solve the need for reliable, portable cryptographic signature functionality in Rust applications.
Rust developers building systems that require cryptographic authentication, including embedded systems, WebAssembly applications, servers, and tools needing post-quantum cryptography. Cryptography engineers and library authors who need well-tested signature implementations.
Developers choose RustCrypto Signatures for its comprehensive algorithm support, `no_std` compatibility for embedded and WASM targets, and consistent trait-based API across all implementations. It's part of the trusted RustCrypto ecosystem, offering rigorously implemented, interoperable cryptographic primitives.
Cryptographic signature algorithms: DSA, ECDSA, Ed25519
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Supports a wide array of signature algorithms from DSA and ECDSA to post-quantum schemes like ML-DSA and SLH-DSA, as detailed in the crates table.
All crates are designed to work without the standard library, enabling use in embedded systems and WebAssembly, as stated in the README.
Uses traits from the `signature` crate to provide a uniform interface across implementations, ensuring interoperability and ease of switching algorithms.
Includes implementations of upcoming NIST standards such as ML-DSA and SLH-DSA, offering early access to quantum-resistant cryptography for future-proofing applications.
Each algorithm is in a separate crate with its own documentation, making it challenging to navigate and understand the ecosystem holistically without extensive cross-referencing.
Requires solid knowledge of Rust and cryptographic principles, with minimal high-level abstractions, which can be daunting for developers new to crypto or embedded programming.
With multiple independent crates, managing versions, updates, and potential breaking changes adds overhead compared to monolithic libraries with unified release cycles.