CodeSampleX

Beispiel

ring 0.17.14: ring::digest::Digest

Verifiziertes Beispiel für cargo ring 0.17.14: ring::digest::Digest. Der Vertrag lief auf rust 1 · linux alpine/x64 · docker und bestand.

sha256:f357eb8dd3e1bde60884802da57b7785fd6d1df18a7622c28508a918034c3232

Dieses Netzwerk bietet eine Sache: ein Sample, das baut. Es hat es in einer Sandbox ausgeführt und die signierte Quittung behalten. Es bewertet nichts und garantiert nichts — ob derselbe Code bei Ihnen baut, hat es nicht gemessen. Wie viele verschiedene Signaturschlüssel eine bestandene Vertragsquittung eingereicht haben. Einer ist der Autor allein; mehr als einer heißt, jemand anderes hat es auch gebaut. Ein Schlüssel wird selbst erzeugt und hat keine registrierte Identität dahinter — gezählt werden Schlüssel, nicht Personen. MIT-0

Ausführungsbelege

Die deklarierte Umgebung und die signierten Läufe stehen getrennt, damit Sie genau sehen, was dieses Sample ausgeführt hat und wo.

Beleggrundlage
Signierter Vertrag bestanden
Verifizierungsbelege
1
Signaturschlüssel, die es gebaut haben
1
Deklarierte Umgebung linux · alpine · musl x64 cargo

Umgebungen der Verifizierungsläufe

Umgebung Contract Stufen Lauf
rust 1 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · cargo@1rust:1-alpine@sha256:a10e64dd139b…		 2026-09-20

Fall

HOW
Ziel
verify ring::digest::Digest in pkg:cargo/ring@0.17.14
Pakete
Symbole
  • ring::digest::Digest
Erstellt
2026-09-20T18:22:33Z

Contract

  1. digest::digest computes a Digest from an algorithm and byte slice
  2. Digest::algorithm returns the Algorithm used to produce the digest
  3. Digest implements AsRef<[u8]> yielding the raw hash byte slice matching known test vectors
  4. Context streaming computation produces an equivalent Digest matching one-shot digest
  5. Digest implements Debug displaying the algorithm identifier and lowercase hex representation

Dateien

  • Cargo.lock
  • Cargo.toml
  • PROMPT.md
  • csx.json
  • spec.json
  • src/lib.rs
  • test/contract.rs

Quellartefakt herunterladen (tar.gz)

Quelltext

Cargo.lock
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4

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Cargo.toml
[package]
name = "sample-ring"
version = "1.0.0"
edition = "2021"
publish = false

[dependencies]
ring = "=0.17.14"

[[bin]]
name = "contract"
path = "test/contract.rs"
PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify ring::digest::Digest in pkg:cargo/ring@0.17.14
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:cargo/ring@0.17.14
Demonstrate these symbols/APIs:
  - ring::digest::Digest

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:9edfcc06c9e4bf25b9ec8b4da9f903140421039b677f1aeaba39219b7e5d5e2c","contract":["digest::digest computes a Digest from an algorithm and byte slice","Digest::algorithm returns the Algorithm used to produce the digest","Digest implements AsRef\u003c[u8]\u003e yielding the raw hash byte slice matching known test vectors","Context streaming computation produces an equivalent Digest matching one-shot digest","Digest implements Debug displaying the algorithm identifier and lowercase hex representation"],"goal":"verify ring::digest::Digest in pkg:cargo/ring@0.17.14","kind":"HOW","packages":["pkg:cargo/ring@0.17.14"],"schemaVersion":1,"symbols":["ring::digest::Digest"]},"contractCommand":["cargo","run","--offline"],"environment":{"arch":"x64","distro":"alpine","ecosystem":"cargo","libc":"musl","os":"linux","packageManager":"cargo","schemaVersion":1},"license":"MIT-0","packages":["pkg:cargo/ring@0.17.14"],"schemaVersion":1,"subject":"pkg:cargo/ring@0.17.14","symbols":["ring::digest::Digest"],"verifierAdapter":"cargo@1"}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify ring::digest::Digest in pkg:cargo/ring@0.17.14",
  "kind": "HOW",
  "packages": [
    "pkg:cargo/ring@0.17.14"
  ],
  "symbols": [
    "ring::digest::Digest"
  ]
}
src/lib.rs
//! Clean-room verification sample for ring.

pub use ring::*;
test/contract.rs
use ring::digest::{self, Algorithm, Context, Digest, SHA256, SHA384};

fn main() {
    // 1. digest::digest computes a Digest from an algorithm and byte slice
    let data = b"hello world";
    let d: Digest = digest::digest(&SHA256, data);

    // 2. Digest::algorithm returns the Algorithm used to produce the digest
    let alg: &'static Algorithm = d.algorithm();
    assert_eq!(alg, &SHA256);
    assert_ne!(alg, &SHA384);

    // 3. Digest implements AsRef<[u8]> yielding the raw hash byte slice matching known test vectors
    let bytes: &[u8] = d.as_ref();
    assert_eq!(bytes.len(), 32);
    let expected = b"\xb9\x4d\x27\xb9\x93\x4d\x3e\x08\xa5\x2e\x52\xd7\xda\x7d\xab\xfa\xc4\x84\xef\xe3\x7a\x53\x80\xee\x90\x88\xf7\xac\xe2\xef\xcd\xe9";
    assert_eq!(bytes, expected);

    // 4. Context streaming computation produces an equivalent Digest matching one-shot digest
    let mut ctx = Context::new(&SHA256);
    ctx.update(b"hello ");
    ctx.update(b"world");
    let streamed_d: Digest = ctx.finish();
    assert_eq!(streamed_d.algorithm(), &SHA256);
    assert_eq!(streamed_d.as_ref(), d.as_ref());

    // 5. Digest implements Debug displaying the algorithm identifier and lowercase hex representation
    let debug_repr = format!("{:?}", d);
    assert!(debug_repr.starts_with("SHA256:"));
    assert!(debug_repr.contains("b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"));

    println!("All ring::digest::Digest contract assertions passed successfully.");
}

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