otp

Oct 1, 2020

Changes in this version

+ const HOTP

+ const SHA1

+ const SHA256

+ const SHA512

+ const TOTP

+ var ErrMaxAttempts = errors.New("OTP: Max attempts reached, Account locked out")

+ var ErrWeakSecretSize = errors.New("Weak secret size, The shared secret MUST be at least 128 bits")

+ func GenerateOTP(secret string, counter uint64, algo HashAlgorithm, dig Digits) (string, error)

+ func GenerateSecret(size uint) (string, error)

+ type Digits int

+ const EightDigits

+ const SixDigits

+ func (d Digits) String() string

+ type HashAlgorithm string

+ func (h HashAlgorithm) Hasher() func() hash.Hash

+ func (h HashAlgorithm) String() string

+ type Key struct

+ func NewKey(t Type, label, secret string) *Key

+ func NewKeyFromRaw(raw string) (*Key, error)

+ func (k *Key) AccountName() string

+ func (k *Key) Algorithm() HashAlgorithm

+ func (k *Key) Counter() uint64

+ func (k *Key) Digits() Digits

+ func (k *Key) Issuer() string

+ func (k *Key) IssuerLabelPrefix() string

+ func (k *Key) Label() string

+ func (k *Key) Period() uint64

+ func (k *Key) Secret() string

+ func (k *Key) SetAlgorithm(algo HashAlgorithm)

+ func (k *Key) SetCounter(count uint64)

+ func (k *Key) SetDigits(d Digits)

+ func (k *Key) SetIssuer(issuer string)

+ func (k *Key) SetLabel(label string)

+ func (k *Key) SetPeriod(p uint64)

+ func (k *Key) SetSecret(secret string)

+ func (k *Key) SetType(t Type)

+ func (k *Key) Type() Type

+ type Type string

+ type VerificationDisabledError time.Duration

+ func (v VerificationDisabledError) Error() string

+ type Verifier struct

+ DealyTime time.Time

+ EnableLockout bool

+ Failures uint

+ Key *Key

+ LockOutDelay uint

+ LockOutStartAt uint

+ MaxAttempts uint

+ Skew uint

+ func New(key *Key) *Verifier

+ func (v *Verifier) GenerateOTP() (string, error)

+ func (v *Verifier) Verify(otp string) (bool, error)