sha256Key:=verifyEmail+":"+md5password+":"+dateStr
hasherSha256 := sha1.New()
hasherSha256.Write([]byte(sha256Key))
sha256Val:=hex.EncodeToString(hasherSha256.Sum(nil))

key=$( echo -n "$verifyEmail:$md5PWD:$pwTime" | sha256sum)
echo $key

now := time.Now().Unix()
rem := now % 3600
date := now-rem
dateStr:=strconv.FormatInt(date,10)

hasherSha256 := sha1.New()

hasherSha256 := sha256.New()

digest := sha256.Sum256([]byte(sha256Key))