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docs: 完善文档
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docs/WechatApi/Basic_EventSignatureVerification.md
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37
docs/WechatApi/Basic_EventSignatureVerification.md
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## 如何验证回调通知事件签名?
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---
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> 请先自行阅读:
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>
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> [《微信官方文档 - 开始开发:接入指南》](https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/Access_Overview.html)
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同样地,你既可以利用本库提供的 `SHA1Utility` 工具类自行进行签名验证,也可以通过扩展方法实现:
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```csharp
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/* 在初始化客户端时需指定服务器推送的相关参数 */
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var options = new WechatApiClientOptions()
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{
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// 其他配置项略
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PushToken = "Token",
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PushEncodingAESKey = "EncodingAESKey"
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};
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var client = new WechatApiClient(options);
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/* 验证微信服务器 */
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bool ret = client.VerifyEventSignatureForEcho(
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callbackTimestamp: "微信回调通知中的 timestamp 字段",
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callbackNonce: "微信回调通知中的 nonce 字段",
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callbackSignature: "微信回调通知中的 signature 字段"
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);
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/* 验证安全模式下 XML 消息的签名 */
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bool ret = client.VerifyEventSignatureFromXml(
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callbackXml: "微信公众平台发来的通知内容,形如:<xml><Encrypt>...</Encrypt></xml>"
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);
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/* 验证安全模式下 JSON 消息的签名 */
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bool ret = client.VerifyEventSignatureFromJson(
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callbackJson: "微信公众平台发来的通知内容,形如:{\"Encrypt\":\"...\"}"
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);
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```
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