如何使用Url编码torrent跟踪器的Sha1字符串 [英] How to UrlEncode a Sha1 string for a torrent tracker
问题描述
我尝试将HTTP请求发送到必须具有以下格式的Torrent跟踪程序:
I try to send an HTTP request to a Torrent Tracker that must be with this form:
bt1.archive.org
GET /announce?info_hash=ACC3B2E433D7C7475ABB5941B5681CB7A1EA26E2 HTTP/1.1
Host: bt1.archive.org
Connection: keep-alive
Accept: text/html
User-Agent: CSharp
bt1.archive.org
GET /announce?info_hash=ACC3B2E433D7C7475ABB5941B5681CB7A1EA26E2 HTTP/1.1
Host: bt1.archive.org
Connection: keep-alive
Accept: text/html
User-Agent: CSharp
但是info_hash参数必须经过UrlEncoded编码，并且必须看起来像:%AC%C3%B2%E4%33%D7%C7%47%5A%BB%59%41%B5%68%1C%B7%A1%EA%26%E2，所以我用
But the info_hash parameter must be UrlEncoded and it must look like: %AC%C3%B2%E4%33%D7%C7%47%5A%BB%59%41%B5%68%1C%B7%A1%EA%26%E2, So I use
System.Net.WebUtility.UrlEncode(info_hash)
并且输出与输入相同. 我认为这个问题的答案很明显，但是我没有找到...
And the output is the same as the input. I think the answer of this problem is obvious, but I didn't found it...
推荐答案
sha1哈希长度为20个字节. 40个字符长的十六进制字符串仅用于人类.因此，您需要在url编码之前进行十六进制解码.
A sha1 hash is 20 bytes long. The 40 characters long hex string is just used for humans. So you need to hex-decode before url-encoding.
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