Package org.webpki.cbor

Class CBORDecrypter<T extends CBORDecrypter<?>>

java.lang.Object

org.webpki.cbor.CBORDecrypter<T>

Direct Known Subclasses:

CBORAsymKeyDecrypter, CBORSymKeyDecrypter, CBORX509Decrypter

public abstract class CBORDecrypter<T extends CBORDecrypter<?>>
extends Object

Base class for decrypting data.

See also 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)	Decrypt data.
T	setCustomDataPolicy(CBORCryptoUtils.POLICY customDataPolicy, CBORCryptoUtils.Collector customDataCallBack)	Set custom extension data policy.
T	setTagPolicy(CBORCryptoUtils.POLICY tagPolicy, CBORCryptoUtils.Collector tagCallBack)	Set tag wrapping policy.

Methods inherited from class java.lang.Object

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

Method Details

setCustomDataPolicy

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

Set custom extension data policy.

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

See also crypto options.

Parameters:

customDataPolicy - Define level of support

customDataCallBack - Interface for reading custom data

Returns:

this of subclass

setTagPolicy

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

Set tag wrapping policy.

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

See also crypto options.

Parameters:

tagPolicy - Define level of support

tagCallBack - Interface for reading tag

Returns:

this of subclass

decrypt

public byte[] decrypt(CBORObject encryptionObject)

Decrypt data.

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

Parameters:

encryptionObject - CBOR encryption object

Returns:

Decrypted data