package parameters

import "crypto/rand"

type PasswordParams struct {
	Memory      uint32
	Iterations  uint32
	Parallelism uint8
	SaltLength  uint32
	KeyLength   uint32
}

func GetPasswordParams() *PasswordParams {
	return &PasswordParams{
		Memory:      64 * 1024,
		Iterations:  3,
		Parallelism: 2,
		SaltLength:  16,
		KeyLength:   32,
	}
}

func GenerateRandomBytes(n uint32) ([]byte, error) {
	b := make([]byte, n)
	_, err := rand.Read(b)
	if err != nil {
		return nil, err
	}

	return b, nil
}