perf: perfect crypto util

pkg/douyu/ws/client.go

@@ -1,9 +1,7 @@
 package ws
 
 import (
-	"crypto/md5"
 	"crypto/tls"
-	"encoding/hex"
 	"fmt"
 	"net/http"
 	"strconv"
@@ -82,8 +80,7 @@ func Login(p LoginParams) error {
 func (c *Client) login(p LoginParams) error {
 	devId := util.UUID()
 	rt := strconv.FormatInt(time.Now().Unix(), 10)
-	b := md5.Sum([]byte(rt + hash + devId))
-	vk := hex.EncodeToString(b[:])
+	vk := util.MD5Hex(rt + hash + devId)
 
 	c.write(
 		"type", "loginreq",

pkg/miyoushe/api/ds.go

@@ -1,8 +1,6 @@
 package api
 
 import (
-	"crypto/md5"
-	"encoding/hex"
 	"fmt"
 	"math/rand/v2"
 	"time"
@@ -35,8 +33,7 @@ func DS1() string {
 
 func ds1(t int64, r string) (string, string) {
 	s := fmt.Sprintf("salt=%s&t=%d&r=%s", AppSaltK2, t, r)
-	b := md5.Sum([]byte(s))
-	return s, fmt.Sprintf("%d,%s,%s", t, r, hex.EncodeToString(b[:]))
+	return s, fmt.Sprintf("%d,%s,%s", t, r, util.MD5Hex(s))
 }
 
 // DS2 https://github.com/UIGF-org/mihoyo-api-collect/blob/3a9116ea538941cfead749572df1f364cb9f9c8d/other/authentication.md#ds
@@ -50,6 +47,5 @@ func ds2(t int64, r int, body, query string) (string, string) {
 		r += 542367
 	}
 	s := fmt.Sprintf("salt=%s&t=%d&r=%d&b=%s&q=%s", AppSalt6X, t, r, body, query)
-	b := md5.Sum([]byte(s))
-	return s, fmt.Sprintf("%d,%d,%s", t, r, hex.EncodeToString(b[:]))
+	return s, fmt.Sprintf("%d,%d,%s", t, r, util.MD5Hex(s))
 }

pkg/skland/api/sign.go

@@ -1,10 +1,6 @@
 package api
 
 import (
-	"crypto/hmac"
-	"crypto/md5"
-	"crypto/sha256"
-	"encoding/hex"
 	"net/url"
 	"strconv"
 	"time"
@@ -45,16 +41,5 @@ func sign(headers signHeaders, method, path, token string, query url.Values, bod
 
 	content := path + str + headers.Timestamp + json.MustMarshalString(headers)
 
-	b1 := hmac256(token, content)
-	s1 := hex.EncodeToString(b1)
-	b2 := md5.Sum([]byte(s1))
-	s2 := hex.EncodeToString(b2[:])
-
-	return content, s2
-}
-
-func hmac256(key, content string) []byte {
-	h := hmac.New(sha256.New, []byte(key))
-	h.Write([]byte(content))
-	return h.Sum(nil)
+	return content, util.MD5Hex(util.HMAC256Hex(token, content))
 }

pkg/tieba/api/sign.go

@@ -2,12 +2,12 @@ package api
 
 import (
 	"bytes"
-	"crypto/md5"
-	"encoding/hex"
 	"slices"
 	"strings"
 
 	"github.com/starudream/go-lib/resty/v2"
+
+	"github.com/starudream/sign-task/util"
 )
 
 func addSign(r *resty.Request) *resty.Request {
@@ -29,7 +29,6 @@ func addSign(r *resty.Request) *resty.Request {
 	}
 	buf.WriteString("tiebaclient!!!")
 
-	b := md5.Sum(buf.Bytes())
-	r.FormData.Set("sign", strings.ToUpper(hex.EncodeToString(b[:])))
+	r.FormData.Set("sign", strings.ToUpper(util.MD5Hex(buf.String())))
 	return r
 }