29 lines
		
	
	
		
			746 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			29 lines
		
	
	
		
			746 B
		
	
	
	
		
			Go
		
	
	
	
	
	
|  | package crypto | |||
|  | 
 | |||
|  | import ( | |||
|  | 	"golang.org/x/crypto/bcrypt" | |||
|  | ) | |||
|  | 
 | |||
|  | // PasswordHash 使用bcrypt对密码进行加密 | |||
|  | // cost参数确定加密的复杂度,默认为10,越高越安全但性能消耗越大 | |||
|  | func PasswordHash(password string, cost ...int) (string, error) { | |||
|  | 	defaultCost := 10 | |||
|  | 	if len(cost) > 0 && cost[0] > 0 { | |||
|  | 		defaultCost = cost[0] | |||
|  | 	} | |||
|  | 
 | |||
|  | 	bytes, err := bcrypt.GenerateFromPassword([]byte(password), defaultCost) | |||
|  | 	if err != nil { | |||
|  | 		return "", err | |||
|  | 	} | |||
|  | 
 | |||
|  | 	return string(bytes), nil | |||
|  | } | |||
|  | 
 | |||
|  | // PasswordVerify 验证密码是否匹配 | |||
|  | // password是用户输入的明文密码,hash是存储的加密密码 | |||
|  | func PasswordVerify(password, hash string) bool { | |||
|  | 	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password)) | |||
|  | 	return err == nil | |||
|  | } |