60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
package authentication
|
|
|
|
import (
|
|
"errors"
|
|
)
|
|
|
|
// Level is the type representing a level of authentication.
|
|
type Level int
|
|
|
|
const (
|
|
// NotAuthenticated if the user is not authenticated yet.
|
|
NotAuthenticated Level = iota
|
|
// OneFactor if the user has passed first factor only.
|
|
OneFactor Level = iota
|
|
// TwoFactor if the user has passed two factors.
|
|
TwoFactor Level = iota
|
|
)
|
|
|
|
const (
|
|
// TOTP Method using Time-Based One-Time Password applications like Google Authenticator.
|
|
TOTP = "totp"
|
|
// U2F Method using U2F devices like Yubikeys.
|
|
U2F = "u2f"
|
|
// Push Method using Duo application to receive push notifications.
|
|
Push = "mobile_push"
|
|
)
|
|
|
|
// PossibleMethods is the set of all possible 2FA methods.
|
|
var PossibleMethods = []string{TOTP, U2F, Push}
|
|
|
|
// CryptAlgo the crypt representation of an algorithm used in the prefix of the hash.
|
|
type CryptAlgo string
|
|
|
|
const (
|
|
// HashingAlgorithmArgon2id Argon2id hash identifier.
|
|
HashingAlgorithmArgon2id CryptAlgo = "argon2id"
|
|
// HashingAlgorithmSHA512 SHA512 hash identifier.
|
|
HashingAlgorithmSHA512 CryptAlgo = "6"
|
|
)
|
|
|
|
// These are the default values from the upstream crypt module we use them to for GetInt
|
|
// and they need to be checked when updating github.com/simia-tech/crypt.
|
|
const (
|
|
HashingDefaultArgon2idTime = 1
|
|
HashingDefaultArgon2idMemory = 32 * 1024
|
|
HashingDefaultArgon2idParallelism = 4
|
|
HashingDefaultArgon2idKeyLength = 32
|
|
HashingDefaultSHA512Iterations = 5000
|
|
)
|
|
|
|
// HashingPossibleSaltCharacters represents valid hashing runes.
|
|
var HashingPossibleSaltCharacters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/")
|
|
|
|
// ErrUserNotFound indicates the user wasn't found in the authentication backend.
|
|
var ErrUserNotFound = errors.New("user not found")
|
|
|
|
const sha512 = "sha512"
|
|
|
|
const testPassword = "my;secure*password"
|