io.jsonwebtoken.SignatureAlgorithm#ES256 ( )源码实例Demo

/**
 * Sets the path to a PKCS8 PEM file containing the RSA private key to use for signing tokens asserting the
 * registration status of devices.
 *
 * @param keyPath The absolute path to the file.
 * @throws NullPointerException if the path is {@code null}.
 * @throws IllegalArgumentException if the key cannot be read from the file.
 */
protected final void setPrivateKey(final String keyPath) {
    Objects.requireNonNull(keyPath);
    key = KeyLoader.fromFiles(vertx, keyPath, null).getPrivateKey();
    if (key == null) {
        throw new IllegalArgumentException("cannot load private key: " + keyPath);
    } else if (key instanceof ECKey) {
        algorithm = SignatureAlgorithm.ES256;
    } else if (key instanceof RSAKey) {
        algorithm = SignatureAlgorithm.RS256;
    } else {
        throw new IllegalArgumentException("unsupported private key type: " + key.getClass());
    }
}
 

/**
 * Sets the path to a PEM file containing a certificate holding a public key to use for validating the signature of
 * tokens asserting the registration status of devices.
 *
 * @param keyPath The absolute path to the file.
 * @throws NullPointerException if the path is {@code null}.
 * @throws IllegalArgumentException if the key cannot be read from the file.
 */
protected final void setPublicKey(final String keyPath) {
    Objects.requireNonNull(keyPath);
    key = KeyLoader.fromFiles(vertx, null, keyPath).getPublicKey();
    if (key == null) {
        throw new IllegalArgumentException("cannot load public key: " + keyPath);
    } else if (key instanceof ECKey) {
        algorithm = SignatureAlgorithm.ES256;
    } else if (key instanceof RSAKey) {
        algorithm = SignatureAlgorithm.RS256;
    } else {
        throw new IllegalArgumentException("unsupported public key type: " + key.getClass());
    }
}
 

public ServerPrivateKey(final PrivateKey key, final String id) {

        this.key = key;
        this.id = id;

        algorithm = ECDSA.equalsIgnoreCase(key.getAlgorithm()) ?
                SignatureAlgorithm.ES256 : SignatureAlgorithm.RS256;
    }