💥更换客户端签名算法

utils/md5.go

@@ -0,0 +1,41 @@
+package utils
+
+/***************************************************
+ ** @Desc : 获取一个md5的字符串
+ ** @Time : 2019/8/9 16:06
+ ** @Author : yuebin
+ ** @File : md5
+ ** @Last Modified by : yuebin
+ ** @Last Modified time: 2019/8/9 16:06
+ ** @Software: GoLand
+****************************************************/
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"strings"
+)
+
+// GetMD5LOWER 获取小写的MD5
+func GetMD5LOWER(s string) string {
+	h := md5.New()
+	h.Write([]byte(s))
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+// GetMD5Upper 获取大写的MD5
+func GetMD5Upper(s string) string {
+	return strings.ToUpper(GetMD5LOWER(s))
+}
+
+// MapToString 将map数据变成key=value形式的字符串
+func MapToString(m map[string]string) string {
+	res := ""
+	for k, v := range m {
+		res = res + k + "=" + v + "&"
+	}
+
+	suffix := strings.TrimSuffix(res, "&")
+
+	return suffix
+}

utils/sign_verify.go

@@ -0,0 +1,68 @@
+package utils
+
+import (
+	"strings"
+)
+
+func GetMD5Sign(params map[string]string, keys []string, paySecret string) string {
+	str := ""
+	for i := 0; i < len(keys); i++ {
+		k := keys[i]
+		if len(params[k]) == 0 || k == "sign" {
+			continue
+		}
+		str += k + "=" + params[k] + "&"
+	}
+	str += "paySecret=" + paySecret
+	sign := GetMD5Upper(str)
+	return sign
+}
+
+func GetMD5SignLower(params map[string]string, keys []string, paySecret string) string {
+	return strings.ToLower(GetMD5Sign(params, keys, paySecret))
+}
+
+func GetMD5SignMF(params map[string]string, paySecret string) string {
+	strArr := SortMap(params)
+	signStr := ""
+	for i := 0; i < len(strArr); i++ {
+		k := strArr[i]
+		if len(params[k]) == 0 {
+			signStr += k
+		} else {
+			signStr += k + params[k]
+		}
+	}
+	signStr += paySecret
+	return GetMD5LOWER(signStr)
+}
+
+func Md5Verify(params map[string]string, paySecret string) bool {
+	sign := params["sign"]
+	if sign == "" {
+		return false
+	}
+
+	delete(params, "sign")
+	keys := SortMap(params)
+	tmpSign := GetMD5Sign(params, keys, paySecret)
+	if tmpSign != sign {
+		return false
+	} else {
+		return true
+	}
+}
+
+func Md5MFVerify(params map[string]string, paySecret string) bool {
+	sign := params["sign"]
+	if sign == "" {
+		return false
+	}
+	delete(params, "sign")
+	tmpSign := GetMD5SignMF(params, paySecret)
+	if tmpSign != sign {
+		return false
+	} else {
+		return true
+	}
+}

utils/sort_go.go

@@ -0,0 +1,26 @@
+package utils
+
+import (
+	"sort"
+)
+
+// SortMap 对map的key值进行排序
+func SortMap(m map[string]string) []string {
+	var arr []string
+	for k := range m {
+		arr = append(arr, k)
+	}
+	sort.Strings(arr)
+	return arr
+}
+
+// SortMapByKeys 按照key的ascii值从小到大给map排序
+func SortMapByKeys(m map[string]string) map[string]string {
+	keys := SortMap(m)
+	tmp := make(map[string]string)
+	for _, key := range keys {
+		tmp[key] = m[key]
+	}
+
+	return tmp
+}