转：https://blog.csdn.net/u011411069/article/details/83046129
项目中时长会遇到需要获取字符或者文件摘要（MD5,Sha1,Hmac）信息的需求，用于存储验证信息或者判断完整性等，以下为整理后的golang相关实现
package encrypt import ( "crypto/md5" "encoding/hex" "crypto/hmac" "crypto/sha1" ) func Md5String(data string) string { md5 := md5.New() md5.Write([]byte(data)) md5Data := md5.Sum([]byte(nil)) return hex.EncodeToString(md5Data) } func Md5(data []byte) string { md5 := md5.New() md5.Write(data) md5Data := md5.Sum([]byte(nil)) return hex.EncodeToString(md5Data) } func HmacString(key string, data string) string { hmac := hmac.New(md5.New, []byte(key)) hmac.Write([]byte(data)) return hex.EncodeToString(hmac.Sum([]byte(nil))) } func HmacByStringKey(key string, data []byte) string { return Hmac([]byte(key), data) } func Hmac(key []byte, data []byte) string { hmac := hmac.New(md5.New, key) hmac.Write(data) return hex.EncodeToString(hmac.Sum([]byte(nil))) } func Sha1String(data string) string { sha1 := sha1.New() sha1.Write([]byte(data)) return hex.EncodeToString(sha1.Sum([]byte(nil))) } func Sha1(data []byte) string { sha1 := sha1.New() sha1.Write(data) return hex.EncodeToString(sha1.Sum([]byte(nil))) }
