Package org.webpki.cbor

Class CBORDecrypter

java.lang.Object

org.webpki.cbor.CBORDecrypter

Direct Known Subclasses:

CBORAsymKeyDecrypter, CBORSymKeyDecrypter, CBORX509Decrypter

public abstract class CBORDecrypter
extends Object

Base class for decrypting data.

Also see CBOREncrypter.

Note that decrypter objects may be used any number of times (assuming that the same parameters are valid). They are also thread-safe.

Method Summary

Modifier and Type	Method	Description
byte[]	decrypt(CBORObject encryptionObject)	Decrypts data.
CBORDecrypter	setCustomDataPolicy(CBORCryptoUtils.POLICY customDataPolicy, CBORCryptoUtils.Collector customDataCallBack)	Sets custom extension data policy.
CBORDecrypter	setTagPolicy(CBORCryptoUtils.POLICY tagPolicy, CBORCryptoUtils.Collector tagCallBack)	Sets tag wrapping policy.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

setCustomDataPolicy

public CBORDecrypter setCustomDataPolicy(CBORCryptoUtils.POLICY customDataPolicy,
 CBORCryptoUtils.Collector customDataCallBack)

Sets custom extension data policy.

By default custom data elements (CBORCryptoConstants.CUSTOM_DATA_LABEL) are rejected (CBORCryptoUtils.POLICY.FORBIDDEN).

Also see crypto options.

Parameters:

customDataPolicy - Define level of support

customDataCallBack - Interface for reading custom data

Returns:

this

setTagPolicy

public CBORDecrypter setTagPolicy(CBORCryptoUtils.POLICY tagPolicy,
 CBORCryptoUtils.Collector tagCallBack)

Sets tag wrapping policy.

By default wrapped containers are rejected (CBORCryptoUtils.POLICY.FORBIDDEN).

Also see crypto options.

Parameters:

tagPolicy - Define level of support

tagCallBack - Interface for reading tag

Returns:

this

decrypt

public byte[] decrypt(CBORObject encryptionObject)

Decrypts data.

This method presumes that encryptionObject holds an encryption object according to CEF.

Parameters:

encryptionObject - CBOR encryption object

Returns:

Decrypted data