c# 与 PHP中 SHA1加密结果不同解决办法
c# 与 PHP中 SHA1加密结果不同解决方法
那天在调试API的时候，发现用c#写的SHA1加密出来的结果和PHP中sha1()出来的不一样，找了半天的原因后来才弄出来
在调试微信接口的时候大多的帮助文档都是提供的是PHP的方法，所以在.net中实现的时候会出现很多的问题，最典型的就是token通不过验证
现在提供一个结果与Php一样 的SHA1方法
public static string Sha1Sign(string data) { byte[] temp1 = Encoding.UTF8.GetBytes(data); SHA1CryptoServiceProvider sha = new SHA1CryptoServiceProvider(); byte[] temp2 = sha.ComputeHash(temp1); sha.Clear(); // 注意， 不能用这个 // string output = Convert.ToBase64String(temp2);// 不能直接转换成base64string var output = BitConverter.ToString(temp2); output = output.Replace("-", ""); output = output.ToLower(); return output; }
解决方式：在php中sha1出来的是小写字母，可是在c#中默认出来的是大写，在token验证的时候也是区分大小写的，另外很多人在
// string output = Convert.ToBase64String(temp2);// 不能直接转换成base64string var output = BitConverter.ToString(temp2);
这里犯了错误却一直没有发现，所以找了很久的原因
PS：
在送上一个Php的
base64_encode的c#实现
public static string Base64_encode(string data) { return Convert.ToBase64String(Encoding.UTF8.GetBytes(data)); }
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