passwd

Documentation

Overview

Package passwd contains methods for working with passwords

Index

• Constants
• func Check(password, pepper, hash string) bool
• func Encrypt(password, pepper string) (string, error)
• func GenPassword(length, strength int) string
• func GetPasswordStrength(password string) int

Examples

• GenPassword
• GetPasswordStrength

Constants

const (
	STRENGTH_WEAK   = iota // Only lowercase English alphabet characters
	STRENGTH_MEDIUM        // Lowercase and uppercase English alphabet characters, digits
	STRENGTH_STRONG        // Lowercase and uppercase English alphabet characters, digits, special symbols
)

Functions

func Check

func Check(password, pepper, hash string) bool

Check compares password and encrypted hash

func Encrypt

func Encrypt(password, pepper string) (string, error)

Encrypt creates hash and encrypts password with salt and pepper

func GenPassword

func GenPassword(length, strength int) string

GenPassword generates random password

Example

weakPassword := GenPassword(16, STRENGTH_WEAK)
medPassword := GenPassword(16, STRENGTH_MEDIUM)
strongPassword := GenPassword(16, STRENGTH_STRONG)

fmt.Printf("Weak password: %s\n", weakPassword)
fmt.Printf("Medium password: %s\n", medPassword)
fmt.Printf("Strong password: %s\n", strongPassword)

func GetPasswordStrength

func GetPasswordStrength(password string) int

GetPasswordStrength returns password strength

Example

strength := GetPasswordStrength("secret1234%$")

switch strength {
case STRENGTH_STRONG:
	fmt.Println("Password is strong")
case STRENGTH_MEDIUM:
	fmt.Println("Password is ok")
case STRENGTH_WEAK:
	fmt.Println("Password is weak")
}

Output:

Password is ok