WebSocket Sec Key 加密规则
WebSoket About 1,826 words示例
请求头
GET ws://192.168.1.2:20000/test/ws/testusername HTTP/1.1
Host: 192.168.1.2:20000
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36 Edg/89.0.774.77
Upgrade: websocket
Origin: http://192.168.1.2:20000
Sec-WebSocket-Version: 13
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6
Sec-WebSocket-Key: 0+QwLgygNnGVJniN7Qn9Bw==
Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits
响应头
HTTP/1.1 101
Upgrade: websocket
Connection: upgrade
Sec-WebSocket-Accept: njBND6LKlpJ6v6cwSduscenP/tI=
Sec-WebSocket-Extensions: permessage-deflate;client_max_window_bits=15
Date: Sat, 24 Apr 2021 13:33:36 GMT
加密规则
算法中用到的固定字符串258EAFA5-E914-47DA-95CA-C5AB0DC85B11
。
请求头Sec-WebSocket-Key
是base64
编码后的字符串,加上固定字符串258EAFA5-E914-47DA-95CA-C5AB0DC85B11
,生成的十六进制sha1
字符串
等于
响应头Sec-WebSocket-Accept
是base64
解码后的字符串,再编码为十六进制字符串。
import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.codec.digest.DigestUtils;
public class Test {
public static void main(String[] args) throws DecoderException {
String s = DigestUtils.sha1Hex("0+QwLgygNnGVJniN7Qn9Bw==258EAFA5-E914-47DA-95CA-C5AB0DC85B11");
System.out.println(s); // 9e304d0fa2ca96927abfa73049dbac71e9cffed2
byte[] bytes = Base64.decodeBase64("njBND6LKlpJ6v6cwSduscenP/tI=");
System.out.println(Hex.encodeHexString(bytes)); // 9e304d0fa2ca96927abfa73049dbac71e9cffed2
byte[] bytes1 = Hex.decodeHex("9e304d0fa2ca96927abfa73049dbac71e9cffed2");
System.out.println(Base64.encodeBase64String(bytes1)); // njBND6LKlpJ6v6cwSduscenP/tI=
}
}
Views: 4,382 · Posted: 2021-04-24
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