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Question:

How to verify the sign of the response of Alipay?

Solution:

Alipay's response is divided into 5 cases according to the format or scene of the returned content.

The following tool gives a detailed description of the verification methods and attention points of the 5 formats (click on I need more detailed explanation about the extraction of verification data to expand).

https://isandbox.alipaydev.com/melitigo/Test_084.html

It also provides an online signature verification function. Enter your response text on the right, and the page will automatically generate the corresponding string to be signed. Enter the corresponding signature key to view the result.

问题：

如何对支付宝的响应进行验签？

解决方案：

支付宝的响应，根据返回内容的格式或场景分为5种情况。

以下这个链接，对5种格式的验签方式以及注意点做了详细说明（点击“关于验签数据的提取，我需要更详细的解释”展开）。

https://isandbox.alipaydev.com/melitigo/Test_084.html

并且提供了在线的验签功能，在右侧输入您的响应原文，页面会自动生成对应的待签名字符串，输入对应的验签密钥即可查看验签结果。