48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
package shujubao
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import (
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"crypto/hmac"
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"crypto/md5"
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"encoding/hex"
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"strings"
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)
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// SignMethod 签名方法
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type SignMethod string
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const (
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SignMethodMD5 SignMethod = "md5"
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SignMethodHMACMD5 SignMethod = "hmac"
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)
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// GenerateSignMD5 使用 MD5 生成签名：md5(app_secret + timestamp)，32 位小写
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func GenerateSignMD5(appSecret, timestamp string) string {
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h := md5.Sum([]byte(appSecret + timestamp))
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sign := strings.ToLower(hex.EncodeToString(h[:]))
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return sign
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}
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// GenerateSignHMAC 使用 HMAC-MD5 生成签名（仅 timestamp，兼容旧逻辑）
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func GenerateSignHMAC(appSecret, timestamp string) string {
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mac := hmac.New(md5.New, []byte(appSecret))
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mac.Write([]byte(timestamp))
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sign := strings.ToLower(hex.EncodeToString(mac.Sum(nil)))
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return sign
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}
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// GenerateSignFromParamsMD5 根据入参生成签名：入参按 ASCII 排序组合后与 app_secret 做 MD5。
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// sortedParamStr 格式为 key1=value1&key2=value2&...（key 按字母序）。
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func GenerateSignFromParamsMD5(appSecret, sortedParamStr string) string {
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h := md5.Sum([]byte(appSecret + sortedParamStr))
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sign := strings.ToLower(hex.EncodeToString(h[:]))
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return sign
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}
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// GenerateSignFromParamsHMAC 根据入参生成签名：入参按 ASCII 排序组合后与 app_secret 做 HMAC-MD5。
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func GenerateSignFromParamsHMAC(appSecret, sortedParamStr string) string {
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mac := hmac.New(md5.New, []byte(appSecret))
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mac.Write([]byte(sortedParamStr))
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sign := strings.ToLower(hex.EncodeToString(mac.Sum(nil)))
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return sign
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}
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