pub async fn import_signing_key_jwk(
variant: EcdsaVariant,
jwk: impl Into<String>,
options: SigningKeyOptions,
) -> Result<SigningKey, Error>Expand description
Import a signing key as an EC private JWK (kty: "EC", with crv,
d, and the mandatory public coordinates x/y; as JSON text).
crv and alg are validated as in import_verifying_key_jwk.
Security: implementations MAY validate x/y against d, and never
trust them for any operation.