Method getPrivateKey

android/RSAUtil.java:56–61

获取私钥 @param privateKey 私钥字符串 @return

(String privateKey)

     * @return
     */
    public static PrivateKey getPrivateKey(String privateKey) throws Exception {
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        byte[] decodedKey = Base64.decode(privateKey.getBytes(),Base64.NO_WRAP);
        PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(decodedKey);
        return keyFactory.generatePrivate(keySpec);
    }


    /**