Package javacardx.crypto

Extension package that contains functionality, which may be subject to export controls, for implementing a security and cryptography framework on the Java Card platform. The platform must support this optional package only if cryptographic encryption and decryption functionality is included in the implementation. Classes that contain security and cryptography functionality that are not subject to export control restrictions are contained in the package javacard.security.

The javacardx.crypto package contains the Cipher class and the KeyEncryption interface. Cipher provides methods for encrypting and decrypting messages. KeyEncryption provides functionality that allows keys to be updated in a secure end-to-end fashion.

Interface Summary

Interface	Description
KeyEncryption	KeyEncryption interface defines the methods used to enable encrypted key data access to a key implementation.

Class Summary

Class	Description
AEADCipher	The AEADCipher class is the abstract base class for Authenticated Encryption with Associated Data (AEAD) ciphers.
Cipher	The Cipher class is the abstract base class for Cipher algorithms.
Cipher.OneShot	The OneShot class is a specialization of the Cipher class intended to support efficient one-shot ciphering and deciphering operations that may avoid persistent memory writes entirely.