Package org.jose4j.jws

Class EcdsaUsingShaAlgorithm

java.lang.Object

org.jose4j.jwa.AlgorithmInfo

org.jose4j.jws.BaseSignatureAlgorithm

org.jose4j.jws.EcdsaUsingShaAlgorithm

All Implemented Interfaces:

Algorithm, JsonWebSignatureAlgorithm

Direct Known Subclasses:

EcdsaUsingShaAlgorithm.EcdsaP256UsingSha256, EcdsaUsingShaAlgorithm.EcdsaP384UsingSha384, EcdsaUsingShaAlgorithm.EcdsaP521UsingSha512, EcdsaUsingShaAlgorithm.EcdsaSECP256K1UsingSha256

public class EcdsaUsingShaAlgorithm
extends BaseSignatureAlgorithm
implements JsonWebSignatureAlgorithm

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	EcdsaUsingShaAlgorithm.EcdsaP256UsingSha256
static class	EcdsaUsingShaAlgorithm.EcdsaP384UsingSha384
static class	EcdsaUsingShaAlgorithm.EcdsaP521UsingSha512
static class	EcdsaUsingShaAlgorithm.EcdsaSECP256K1UsingSha256

Field Summary

Fields

Modifier and Type	Field	Description
private final String	curveName
private final int	signatureByteLength

Constructor Summary

Constructors

Constructor	Description
EcdsaUsingShaAlgorithm(String id, String javaAlgo, String curveName, int signatureByteLength)

Method Summary

Modifier and Type	Method	Description
static byte[]	convertConcatenatedToDer(byte[] concatenatedSignatureBytes)
static byte[]	convertDerToConcatenated(byte[] derEncodedBytes, int outputLength)
String	getCurveName()
byte[]	sign(CryptoPrimitive cryptoPrimitive, byte[] securedInputBytes)
private void	validateKeySpec(Key key)
void	validatePrivateKey(PrivateKey privateKey)
void	validatePublicKey(PublicKey publicKey)
boolean	verifySignature(byte[] signatureBytes, Key key, byte[] securedInputBytes, ProviderContext providerContext)

Methods inherited from class org.jose4j.jws.BaseSignatureAlgorithm

isAvailable, prepareForSign, setAlgorithmParameterSpec, validateSigningKey, validateVerificationKey

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, isAvailable

Methods inherited from interface org.jose4j.jws.JsonWebSignatureAlgorithm

prepareForSign, validateSigningKey, validateVerificationKey

Field Details

curveName

private final String curveName

signatureByteLength

private final int signatureByteLength

Constructor Details

EcdsaUsingShaAlgorithm

public EcdsaUsingShaAlgorithm(String id,
 String javaAlgo,
 String curveName,
 int signatureByteLength)

Method Details

verifySignature

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

Specified by:

verifySignature in interface JsonWebSignatureAlgorithm

Overrides:

verifySignature in class BaseSignatureAlgorithm

Throws:

JoseException

sign

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

Specified by:

sign in interface JsonWebSignatureAlgorithm

Overrides:

sign in class BaseSignatureAlgorithm

Throws:

JoseException

convertConcatenatedToDer

public static byte[] convertConcatenatedToDer(byte[] concatenatedSignatureBytes)
                                       throws IOException

Throws:

IOException

convertDerToConcatenated

public static byte[] convertDerToConcatenated(byte[] derEncodedBytes,
 int outputLength)
                                       throws IOException

Throws:

IOException

validatePrivateKey

public void validatePrivateKey(PrivateKey privateKey)
                        throws InvalidKeyException

Specified by:

validatePrivateKey in class BaseSignatureAlgorithm

Throws:

InvalidKeyException

validatePublicKey

public void validatePublicKey(PublicKey publicKey)
                       throws InvalidKeyException

Specified by:

validatePublicKey in class BaseSignatureAlgorithm

Throws:

InvalidKeyException

validateKeySpec

private void validateKeySpec(Key key)
                      throws InvalidKeyException

Throws:

InvalidKeyException

getCurveName

public String getCurveName()