Package com.nimbusds.openid.connect.sdk.id

Class HashBasedPairwiseSubjectCodec

java.lang.Object

com.nimbusds.openid.connect.sdk.id.PairwiseSubjectCodec

com.nimbusds.openid.connect.sdk.id.HashBasedPairwiseSubjectCodec

@ThreadSafe
public class HashBasedPairwiseSubjectCodec
extends PairwiseSubjectCodec

SHA-256 based encoder of pairwise subject identifiers. Reversal is not supported.

Algorithm:

 sub = SHA-256 ( sector_id || local_sub || salt )
 

Related specifications:

• OpenID Connect Core 1.0, section 8.1.

Field Summary

Fields

Modifier and Type	Field	Description
static String	HASH_ALGORITHM	The hashing algorithm.

Fields inherited from class com.nimbusds.openid.connect.sdk.id.PairwiseSubjectCodec

CHARSET

Constructor Summary

Constructors

Constructor	Description
HashBasedPairwiseSubjectCodec(byte[] salt)	Creates a new hash-based codec for pairwise subject identifiers.
HashBasedPairwiseSubjectCodec(com.nimbusds.jose.util.Base64URL salt)	Creates a new hash-based codec for pairwise subject identifiers.

Method Summary

Modifier and Type	Method	Description
Subject	encode(SectorID sectorID, Subject localSub)	Encodes a new pairwise subject identifier from the specified sector identifier and local subject.

Methods inherited from class java.lang.Object

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

Methods inherited from class com.nimbusds.openid.connect.sdk.id.PairwiseSubjectCodec

decode, encode, getProvider, getSalt, setProvider

Field Detail

HASH_ALGORITHM

public static final String HASH_ALGORITHM

The hashing algorithm.

See Also:

Constant Field Values

Constructor Detail

HashBasedPairwiseSubjectCodec

public HashBasedPairwiseSubjectCodec(byte[] salt)

Creates a new hash-based codec for pairwise subject identifiers.

Parameters:

salt - The salt, must not be null.

HashBasedPairwiseSubjectCodec

public HashBasedPairwiseSubjectCodec(com.nimbusds.jose.util.Base64URL salt)

Creates a new hash-based codec for pairwise subject identifiers.

Parameters:

salt - The salt, must not be null.

Method Detail

encode

public Subject encode(SectorID sectorID,
                      Subject localSub)

Description copied from class: PairwiseSubjectCodec

Encodes a new pairwise subject identifier from the specified sector identifier and local subject.

Specified by:

encode in class PairwiseSubjectCodec

Parameters:

sectorID - The sector identifier. Must not be null.

localSub - The local subject identifier. Must not be null.

Returns:

The pairwise subject identifier.