Crate uselesskey_ecdsa 

ECDSA fixtures built on uselesskey-core.

This crate is used by the uselesskey facade crate.

Usage

The main entry point is the EcdsaFactoryExt trait, which adds the .ecdsa() method to Factory.

use uselesskey_core::Factory;
use uselesskey_ecdsa::{EcdsaFactoryExt, EcdsaSpec};

let fx = Factory::random();
let keypair = fx.ecdsa("my-service", EcdsaSpec::es256());

// Access key material in various formats
let private_pem = keypair.private_key_pkcs8_pem();
let private_der = keypair.private_key_pkcs8_der();
let public_pem = keypair.public_key_spki_pem();
let public_der = keypair.public_key_spki_der();

assert!(private_pem.contains("BEGIN PRIVATE KEY"));

Deterministic Mode

Use deterministic mode for reproducible test fixtures:

use uselesskey_core::{Factory, Seed};
use uselesskey_ecdsa::{EcdsaFactoryExt, EcdsaSpec};

let seed = Seed::from_env_value("test-seed").unwrap();
let fx = Factory::deterministic(seed);

// Same seed + label + spec = same key
let key1 = fx.ecdsa("issuer", EcdsaSpec::es256());
let key2 = fx.ecdsa("issuer", EcdsaSpec::es256());
assert_eq!(key1.private_key_pkcs8_pem(), key2.private_key_pkcs8_pem());

// Different labels produce different keys
let key3 = fx.ecdsa("other", EcdsaSpec::es256());
assert_ne!(key1.private_key_pkcs8_pem(), key3.private_key_pkcs8_pem());

Negative Fixtures

Generate intentionally broken keys for testing error handling:

use uselesskey_core::Factory;
use uselesskey_core::negative::CorruptPem;
use uselesskey_ecdsa::{EcdsaFactoryExt, EcdsaSpec};

let fx = Factory::random();
let keypair = fx.ecdsa("test", EcdsaSpec::es256());

// Corrupted PEM
let bad_pem = keypair.private_key_pkcs8_pem_corrupt(CorruptPem::BadHeader);

// Truncated DER
let truncated = keypair.private_key_pkcs8_der_truncated(10);

// Mismatched public key (valid but from a different keypair)
let wrong_pub = keypair.mismatched_public_key_spki_der();

Available Specs

Spec	Curve	JWT Algorithm
EcdsaSpec::es256()	P-256 (secp256r1)	ES256
EcdsaSpec::es384()	P-384 (secp384r1)	ES384

Structs

EcdsaKeyPair

An ECDSA keypair fixture with various output formats.

Enums

EcdsaSpec

ECDSA algorithm specification.

Constants

DOMAIN_ECDSA_KEYPAIR

Cache domain for ECDSA keypair fixtures.

Traits

EcdsaFactoryExt

Extension trait to hang ECDSA helpers off the core Factory.