{"id":68696,"library":"ursa","title":"Ursa","description":"This is the shared crypto library for Hyperledger components.","status":"active","version":"0.3.7","language":"rust","source_language":null,"source_url":"https://github.com/hyperledger/ursa","tags":["hyperledger","cryptography","blockchain","signatures"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nursa = \"0.3.7\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add ursa","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"Ed25519Sha512","correct":"use ursa::signatures::Ed25519Sha512;"}],"quickstart":{"code":"use ursa::signatures::Ed25519Sha512;\n\nfn main() {\n    let message = b\"test message\";\n    let (public_key, private_key) = Ed25519Sha512::new_keypair().unwrap();\n    let signature = Ed25519Sha512::sign(message, &private_key).unwrap();\n    println!(\"Signature created\");\n}","lang":"rust","description":"Create and verify Ed25519 signatures using Ursa"},"warnings":[],"env_vars":null,"search_vec":"'blockchain':13 'compon':10 'crypto':6 'cryptographi':12 'hyperledg':9,11 'librari':7 'share':5 'signatur':14 'ursa':1","created_at":"2026-06-17T17:52:55.744735+00:00","updated_at":"2026-06-17T17:52:55.744735+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://crates.io/crates/ursa","github":"https://github.com/hyperledger/ursa","docs":"https://docs.rs/ursa/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["crypto"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}