ecdsa 0.16.9

Pure Rust implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA) as specified in FIPS 186-4 (Digital Signature Standard), providing RFC6979 deterministic signatures as well as support for added entropy
Documentation 
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//! Smoke tests which use `MockCurve`

#![cfg(feature = "dev")]

use elliptic_curve::dev::MockCurve;

type Signature = ecdsa::Signature<MockCurve>;
type SignatureBytes = ecdsa::SignatureBytes<MockCurve>;

#[test]
fn rejects_all_zero_signature() {
    let all_zero_bytes = SignatureBytes::default();
    assert!(Signature::try_from(all_zero_bytes.as_ref()).is_err());
}