brokeyourbike/lets-go-chat

// Package hasher provides common functions for working with passwords.
package hasher

import "golang.org/x/crypto/bcrypt"

// HashPassword returns the bcrypt hash of the password at the minimum cost.
func HashPassword(password string) (string, error) {
    hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.MinCost)
    return string(hash), err
}

// CheckPasswordHash compares a plaintext password with it's possible bcrypt hash equivalent.
func CheckPasswordHash(password, hash string) bool {
    err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
    return err == nil
}