crypto

Documentation

Index

• func ComparePassword(hashed, password string) error
• func HashPassword(password string, cost int) (string, error)
• func OptimalCost(target time.Duration) int
• func ShouldUpdateCost(hashed string, cost int) (bool, error)
• type Crypto
  • func AES(key []byte) Crypto
• type KeyDerivator
• type KeySize
  • func (size KeySize) NewDerivator(iterations int) *keyDerivator
  • func (size KeySize) OptimalIterations(target time.Duration) int
• type PasswordHasher
  • func NewPasswordHasher(target time.Duration) PasswordHasher

Functions

func ComparePassword

func ComparePassword(hashed, password string) error

func HashPassword

func HashPassword(password string, cost int) (string, error)

func OptimalCost

func OptimalCost(target time.Duration) int

func ShouldUpdateCost

func ShouldUpdateCost(hashed string, cost int) (bool, error)

Types

type Crypto

type Crypto interface {
	Encrypt(plain []byte) (string, error)
	Decrypt(encrypted string) ([]byte, error)
}

func AES

func AES(key []byte) Crypto

type KeyDerivator

type KeyDerivator interface {
	Derive(password string, salt []byte) []byte
}

type KeySize

type KeySize int

const Key256 KeySize = 256

func (KeySize) NewDerivator

func (size KeySize) NewDerivator(iterations int) *keyDerivator

func (KeySize) OptimalIterations

func (size KeySize) OptimalIterations(target time.Duration) int

type PasswordHasher

type PasswordHasher interface {
	Cost() int
	HashPassword(password string) (string, error)
	ComparePassword(hashed, password string) error
	ShouldUpdateCost(hashed string) (bool, error)
}

func NewPasswordHasher

func NewPasswordHasher(target time.Duration) PasswordHasher