Class JDKDSASigner

java.lang.Object

java.security.SignatureSpi

java.security.Signature

org.gudy.bouncycastle.jce.provider.JDKDSASigner

All Implemented Interfaces:

PKCSObjectIdentifiers, X509ObjectIdentifiers

Direct Known Subclasses:

JDKDSASigner.ecDSA

public class JDKDSASigner
extends Signature
implements PKCSObjectIdentifiers, X509ObjectIdentifiers

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	JDKDSASigner.ecDSA

Field Summary

Fields

Modifier and Type	Field	Description
private Digest	digest
private SecureRandom	random
private DSA	signer

Fields inherited from class Signature

SIGN, state, UNINITIALIZED, VERIFY

Fields inherited from class SignatureSpi

appRandom

Fields inherited from interface PKCSObjectIdentifiers

bagtypes, canNotDecryptAny, certBag, crlBag, data, des_EDE3_CBC, dhKeyAgreement, digestedData, encryptedData, encryptionAlgorithm, envelopedData, id_aa, id_aa_encrypKeyPref, id_alg_PWRI_KEK, id_ct_compressedData, id_PBES2, id_PBKDF2, keyBag, md2, md2WithRSAEncryption, md4WithRSAEncryption, md5, md5WithRSAEncryption, pkcs_1, pkcs_12, pkcs_3, pkcs_5, pkcs_7, pkcs_9, pkcs_9_at_challengePassword, pkcs_9_at_contentType, pkcs_9_at_counterSignature, pkcs_9_at_emailAddress, pkcs_9_at_extendedCertificateAttributes, pkcs_9_at_extensionRequest, pkcs_9_at_friendlyName, pkcs_9_at_localKeyId, pkcs_9_at_messageDigest, pkcs_9_at_signingDescription, pkcs_9_at_signingTime, pkcs_9_at_smimeCapabilities, pkcs_9_at_unstructuredAddress, pkcs_9_at_unstructuredName, pkcs8ShroudedKeyBag, preferSignedData, RC2_CBC, rsaEncryption, safeContentsBag, secretBag, sha1WithRSAEncryption, sha256WithRSAEncryption, sha384WithRSAEncryption, sha512WithRSAEncryption, signedAndEnvelopedData, signedData, sMIMECapabilitiesVersions, srsaOAEPEncryptionSET, x509certType

Fields inherited from interface X509ObjectIdentifiers

commonName, countryName, crlAccessMethod, id, id_ad, id_ad_caIssuers, id_ad_ocsp, id_ea_rsa, id_pe, id_pkix, id_SHA1, localityName, ocspAccessMethod, organization, organizationalUnitName, ripemd160, ripemd160WithRSAEncryption, stateOrProvinceName

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JDKDSASigner(String name, Digest digest, DSA signer)

Method Summary

Modifier and Type	Method	Description
private BigInteger[]	derDecode(byte[] encoding)
private byte[]	derEncode(BigInteger r, BigInteger s)
protected Object	engineGetParameter(String param)	Deprecated.
protected void	engineInitSign(PrivateKey privateKey)
protected void	engineInitSign(PrivateKey privateKey, SecureRandom random)
protected void	engineInitVerify(PublicKey publicKey)
protected void	engineSetParameter(String param, Object value)	Deprecated. replaced with
protected void	engineSetParameter(AlgorithmParameterSpec params)
protected byte[]	engineSign()
protected void	engineUpdate(byte b)
protected void	engineUpdate(byte[] b, int off, int len)
protected boolean	engineVerify(byte[] sigBytes)

Methods inherited from class Signature

clone, getAlgorithm, getInstance, getInstance, getInstance, getParameter, getParameters, getProvider, initSign, initSign, initVerify, initVerify, setParameter, setParameter, sign, sign, toString, update, update, update, update, verify, verify

Methods inherited from class SignatureSpi

engineGetParameters, engineSign, engineUpdate, engineVerify

Methods inherited from class Object

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

Field Details

digest

private Digest digest

signer

private DSA signer

random

private SecureRandom random

Constructor Details

JDKDSASigner

protected JDKDSASigner(String name,
 Digest digest,
 DSA signer)

Method Details

engineInitVerify

protected void engineInitVerify(PublicKey publicKey)
                         throws InvalidKeyException

Specified by:

engineInitVerify in class SignatureSpi

Throws:

InvalidKeyException

engineInitSign

protected void engineInitSign(PrivateKey privateKey,
 SecureRandom random)
                       throws InvalidKeyException

Overrides:

engineInitSign in class SignatureSpi

Throws:

InvalidKeyException

engineInitSign

protected void engineInitSign(PrivateKey privateKey)
                       throws InvalidKeyException

Specified by:

engineInitSign in class SignatureSpi

Throws:

InvalidKeyException

engineUpdate

protected void engineUpdate(byte b)
                     throws SignatureException

Specified by:

engineUpdate in class SignatureSpi

Throws:

SignatureException

engineUpdate

protected void engineUpdate(byte[] b,
 int off,
 int len)
                     throws SignatureException

Specified by:

engineUpdate in class SignatureSpi

Throws:

SignatureException

engineSign

protected byte[] engineSign()
                     throws SignatureException

Specified by:

engineSign in class SignatureSpi

Throws:

SignatureException

engineVerify

protected boolean engineVerify(byte[] sigBytes)
                        throws SignatureException

Specified by:

engineVerify in class SignatureSpi

Throws:

SignatureException

engineSetParameter

protected void engineSetParameter(AlgorithmParameterSpec params)

Overrides:

engineSetParameter in class SignatureSpi

engineSetParameter

protected void engineSetParameter(String param,
 Object value)

Deprecated.

replaced with

Specified by:

engineSetParameter in class SignatureSpi

engineGetParameter

protected Object engineGetParameter(String param)

Deprecated.

Specified by:

engineGetParameter in class SignatureSpi

derEncode

private byte[] derEncode(BigInteger r,
 BigInteger s)
                  throws IOException

Throws:

IOException

derDecode

private BigInteger[] derDecode(byte[] encoding)
                        throws IOException

Throws:

IOException