Method initKey

security/src/main/java/pro/tools/security/ToolRSA.java:207–230

初始化密钥 @return Map 密钥Map @throws Exception

()

     * @throws Exception
     */
    public static Map<String, Object> initKey() throws NoSuchAlgorithmException {
        // 实例化密钥对生成器
        KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance(KEY_ALGORITHM);

        // 初始化密钥对生成器
        keyPairGen.initialize(KEY_SIZE);

        // 生成密钥对
        KeyPair keyPair = keyPairGen.generateKeyPair();

        // 公钥
        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();

        // 私钥
        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();

        // 封装密钥
        Map<String, Object> keyMap = Maps.newHashMapWithExpectedSize(2);

        keyMap.put(PUBLIC_KEY, publicKey);
        keyMap.put(PRIVATE_KEY, privateKey);

        return keyMap;
    }

}