# End-To-End Encryption - Crypto - Packaging 2.4.0 API

The crypto library's main purpose is to seal and unseal a secure message in one easy step.

See: Description

Packages
Package | Description
--- | ---
be.fgov.ehealth.etee.crypto.cert | Classes for validation of a certificate path.
be.fgov.ehealth.etee.crypto.crl | Classes to validate revocation status of a certificate using CRL.
be.fgov.ehealth.etee.crypto.decrypt | Classes for validation and unsealing of sealed message.
be.fgov.ehealth.etee.crypto.eid | Utilities to read an EID (Electronic Identity card) from a card reader.
be.fgov.ehealth.etee.crypto.eid.exception | Exceptions that could happen while reading an EID card.
be.fgov.ehealth.etee.crypto.eid.utils |
be.fgov.ehealth.etee.crypto.encrypt | Classes for sealing of message and validation of ETKs.
be.fgov.ehealth.etee.crypto.ocsp | Classes to validate revocation status of a certificate using OCSP (Online Certificate Status Protocol).
be.fgov.ehealth.etee.crypto.policies | Contains supported policies and options for configuration of the crypto services.
be.fgov.ehealth.etee.crypto.status | Contains result objects and possible notifications.
be.fgov.ehealth.etee.crypto.utils | Utilities used by CryptoLib.

The crypto library's main purpose is to seal and unseal a secure message in one easy step.

It can also verify the validity of ETKs and certificates using OCP and CRL revocation checks.

It supports different policies and configuration options for sealing, validating and unsealing.

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