Package org.jose4j.jws

Class BaseSignatureAlgorithm

java.lang.Object

org.jose4j.jwa.AlgorithmInfo

org.jose4j.jws.BaseSignatureAlgorithm

All Implemented Interfaces:

Algorithm, JsonWebSignatureAlgorithm

Direct Known Subclasses:

EcdsaUsingShaAlgorithm, EdDsaAlgorithm, RsaUsingShaAlgorithm

public abstract class BaseSignatureAlgorithm
extends AlgorithmInfo
implements JsonWebSignatureAlgorithm

Field Summary

Fields

Modifier and Type	Field	Description
private AlgorithmParameterSpec	algorithmParameterSpec
private final org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor	Description
BaseSignatureAlgorithm(String id, String javaAlgo, String keyAlgo)

Method Summary

Modifier and Type	Method	Description
private void	checkForNullKey(Key key)
private String	getBadKeyMessage(Key key)
private Signature	getSignature(ProviderContext providerContext)
private void	initForSign(Signature signature, Key key, ProviderContext providerContext)
private void	initForVerify(Signature signature, Key key)
boolean	isAvailable()
CryptoPrimitive	prepareForSign(Key key, ProviderContext providerContext)
protected void	setAlgorithmParameterSpec(AlgorithmParameterSpec algorithmParameterSpec)
byte[]	sign(CryptoPrimitive cryptoPrimitive, byte[] securedInputBytes)
abstract void	validatePrivateKey(PrivateKey privateKey)
abstract void	validatePublicKey(PublicKey publicKey)
void	validateSigningKey(Key key)
void	validateVerificationKey(Key key)
boolean	verifySignature(byte[] signatureBytes, Key key, byte[] securedInputBytes, ProviderContext providerContext)

Methods inherited from class org.jose4j.jwa.AlgorithmInfo

getAlgorithmIdentifier, getJavaAlgorithm, getKeyPersuasion, getKeyType, setAlgorithmIdentifier, setJavaAlgorithm, setKeyPersuasion, setKeyType, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jose4j.jwa.Algorithm

getAlgorithmIdentifier, getJavaAlgorithm, getKeyPersuasion, getKeyType

Field Details

log

private final org.slf4j.Logger log

algorithmParameterSpec

private AlgorithmParameterSpec algorithmParameterSpec

Constructor Details

BaseSignatureAlgorithm

public BaseSignatureAlgorithm(String id,
 String javaAlgo,
 String keyAlgo)

Method Details

setAlgorithmParameterSpec

protected void setAlgorithmParameterSpec(AlgorithmParameterSpec algorithmParameterSpec)

verifySignature

public boolean verifySignature(byte[] signatureBytes,
 Key key,
 byte[] securedInputBytes,
 ProviderContext providerContext)
                        throws JoseException

Specified by:

verifySignature in interface JsonWebSignatureAlgorithm

Throws:

JoseException

prepareForSign

public CryptoPrimitive prepareForSign(Key key,
 ProviderContext providerContext)
                               throws JoseException

Specified by:

prepareForSign in interface JsonWebSignatureAlgorithm

Throws:

JoseException

sign

public byte[] sign(CryptoPrimitive cryptoPrimitive,
 byte[] securedInputBytes)
            throws JoseException

Specified by:

sign in interface JsonWebSignatureAlgorithm

Throws:

JoseException

initForSign

private void initForSign(Signature signature,
 Key key,
 ProviderContext providerContext)
                  throws InvalidKeyException

Throws:

InvalidKeyException

initForVerify

private void initForVerify(Signature signature,
 Key key)
                    throws InvalidKeyException

Throws:

InvalidKeyException

getBadKeyMessage

private String getBadKeyMessage(Key key)

getSignature

private Signature getSignature(ProviderContext providerContext)
                        throws JoseException

Throws:

JoseException

validatePrivateKey

public abstract void validatePrivateKey(PrivateKey privateKey)
                                 throws InvalidKeyException

Throws:

InvalidKeyException

validateSigningKey

public void validateSigningKey(Key key)
                        throws InvalidKeyException

Specified by:

validateSigningKey in interface JsonWebSignatureAlgorithm

Throws:

InvalidKeyException

validatePublicKey

public abstract void validatePublicKey(PublicKey publicKey)
                                throws InvalidKeyException

Throws:

InvalidKeyException

validateVerificationKey

public void validateVerificationKey(Key key)
                             throws InvalidKeyException

Specified by:

validateVerificationKey in interface JsonWebSignatureAlgorithm

Throws:

InvalidKeyException

checkForNullKey

private void checkForNullKey(Key key)
                      throws InvalidKeyException

Throws:

InvalidKeyException

isAvailable

public boolean isAvailable()

Specified by:

isAvailable in interface Algorithm