Package org.webpki.cbor

Class CBORValidator<T extends CBORValidator<T>>

java.lang.Object

org.webpki.cbor.CBORValidator<T>

Direct Known Subclasses:

CBORAsymKeyValidator, CBORHmacValidator, CBORX509Validator

public abstract class CBORValidator<T extends CBORValidator<T>>
extends Object

Base class for validating signatures.

See also CBORSigner.

Note that validator 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
T	setCustomDataPolicy(CBORCryptoUtils.POLICY customDataPolicy, CBORCryptoUtils.Collector customDataCollector)	Sets custom data policy.
T	setMultiSignatureMode(boolean flag)	Set multiple signature mode.
T	setTagPolicy(CBORCryptoUtils.POLICY tagPolicy, CBORCryptoUtils.Collector tagCollector)	Sets tag wrapping policy.
T	setUnprotectedDataPolicy(CBORCryptoUtils.POLICY policy)	Sets unprotected data policy.
CBORObject	validate(CBORObject signedObject)	Validates signed CBOR object.

Methods inherited from class java.lang.Object

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

Method Details

setMultiSignatureMode

public T setMultiSignatureMode(boolean flag)

Set multiple signature mode.

By default the validate(CBORObject) method assumes single signature mode.

Parameters:

flag - If true multiple signature mode is assumed

Returns:

this of subclass

setCustomDataPolicy

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

Sets custom 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

customDataCollector - Interface for reading custom data

Returns:

this of subclass

setTagPolicy

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

Sets tag wrapping policy.

By default tagged CSF containers are rejected (CBORCryptoUtils.POLICY.FORBIDDEN).

See also crypto options.

Parameters:

tagPolicy - Define level of support

tagCollector - Interface for reading tag

Returns:

this of subclass

setUnprotectedDataPolicy

public T setUnprotectedDataPolicy(CBORCryptoUtils.POLICY policy)

Sets unprotected data policy.

Unprotected data is indicated by the reserved label CBORCryptoConstants.CSF_UNPROTECTED_LBL.

By default unprotected data is rejected (CBORCryptoUtils.POLICY.FORBIDDEN).

Parameters:

policy - Define level of support

Returns:

this of subclass

validate

public CBORObject validate(CBORObject signedObject)

Validates signed CBOR object.

This method presumes that signedObject holds an embedded signature according to CSF.

Parameters:

signedObject - Signed CBOR object

Returns:

The original signedObject