https://2d992714.xianglin2020-github-io.pages.dev/tags/cryptography/ Recent content in Cryptography on Daily Record https://2d992714.xianglin2020-github-io.pages.dev/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://2d992714.xianglin2020-github-io.pages.dev/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo zh-CN Fri, 19 Dec 2025 00:00:00 +0800 https://2d992714.xianglin2020-github-io.pages.dev/posts/2025/wechat-pay-refund-notification-decryption/ Fri, 19 Dec 2025 00:00:00 +0800 https://2d992714.xianglin2020-github-io.pages.dev/posts/2025/wechat-pay-refund-notification-decryption/ 定位微信支付 API v2 退款通知在旧版 JDK 中因 JCE 密钥长度限制而解密失败的问题。