cryptnoxpy.exceptions

Module containing all exceptions that CryptnoxPy module can raise.

Module Contents

exception cryptnoxpy.exceptions.CryptnoxException

Bases: Exception

Base exception for the class exceptions.

exception cryptnoxpy.exceptions.CardClosedException

Bases: Exception

The card wasn’t opened with PIN code or challenge-response

exception cryptnoxpy.exceptions.CardException

Bases: CryptnoxException

No card was detected in the card reader.

exception cryptnoxpy.exceptions.CardTypeException

Bases: CryptnoxException

The detected card is not supported by this library

exception cryptnoxpy.exceptions.CertificateException

Bases: CryptnoxException

There was an issue with the certification

exception cryptnoxpy.exceptions.ConnectionException

Bases: CryptnoxException

An issue occurred in the communication with the reader

exception cryptnoxpy.exceptions.DataException

Bases: CryptnoxException

The reader returned an empty message.

exception cryptnoxpy.exceptions.DataValidationException

Bases: CryptnoxException

The sent data is not valid.

exception cryptnoxpy.exceptions.DerivationSelectionException

Bases: CryptnoxException

Not a valid derivation selection.

exception cryptnoxpy.exceptions.EOSKeyError

Bases: CryptnoxException

The signature wasn’t compatible with EOS standard after 10 tries

exception cryptnoxpy.exceptions.FirmwareException

Bases: CryptnoxException

There is an issue with the firmware on the card

exception cryptnoxpy.exceptions.GenuineCheckException

Bases: CryptnoxException

The detected card is not a genuine Cryptnox product.

exception cryptnoxpy.exceptions.GenericException(status: bytes)

Bases: CryptnoxException

Generic exception that can mean multiple things depending on the call to the card

Process stats and throw a specific Exception from it.

exception cryptnoxpy.exceptions.InitializationException

Bases: CryptnoxException

The card hasn’t been initialized.

exception cryptnoxpy.exceptions.KeyAlreadyGenerated

Bases: CryptnoxException

Key can not be generated twice.

exception cryptnoxpy.exceptions.SeedException

Bases: CryptnoxException

Keys weren’t found on the card.

exception cryptnoxpy.exceptions.KeyGenerationException

Bases: CryptnoxException

Error in key generation.

exception cryptnoxpy.exceptions.PinAuthenticationException

Bases: CryptnoxException

Error in turning off PIN authentication. There is no user key in the card

exception cryptnoxpy.exceptions.PinException(number_of_retries: int, message: str = 'Wrong pin')

Bases: CryptnoxException

Sent PIN code is not valid.

Parameters

• number_of_retries (int) – Number of retries to send the PIN code before the card is locked.

• message (str) – Optional message

exception cryptnoxpy.exceptions.PukException(number_of_retries: int = 0, message: str = 'Wrong PUK')

Bases: CryptnoxException

Sent PUK code is not valid.

Parameters

• number_of_retries (int) – Number of retries to send the PIN code before the card is locked.

• message (str) – Optional message

exception cryptnoxpy.exceptions.ReadPublicKeyException

Bases: CryptnoxException

Data received during public key reading is not valid.

exception cryptnoxpy.exceptions.ReaderException

Bases: CryptnoxException

Card reader wasn’t found attached to the device.

exception cryptnoxpy.exceptions.SecureChannelException

Bases: CryptnoxException

Secure channel couldn’t be established.

exception cryptnoxpy.exceptions.SoftLock

Bases: CryptnoxException

The card is soft locked, and requires power cycle before it can be opened

exception cryptnoxpy.exceptions.CardNotBlocked

Bases: CryptnoxException

Trying to unlock unblocked card