gnu.crypto.sig.rsa

Class RSA_SSCD

java.lang.Object

gnu.crypto.sig.rsa.RSA_SSCD

public class RSA_SSCD
extends java.lang.Object

secure signature creation Ozet=Hash(PRND2||K_KEC||RND.TCKK||SN.TCKK) ImzaVerisi=(’6A’||PRND2||K_KEC||Ozet||’BC’) Imza=Sign(Private.GEM,ImzaVerisi)

Author:

orcun.ertugrul

Field Summary

Fields

Modifier and Type	Field and Description
protected int	blockSize
protected static org.slf4j.Logger	LOGGER
protected tr.gov.tubitak.uekae.esya.api.crypto.alg.DigestAlg	mDigestAlg
protected java.math.BigInteger	mModulus
protected java.security.interfaces.RSAPrivateKey	mPrivKey
protected java.security.interfaces.RSAPublicKey	mPublicKey
protected tr.gov.tubitak.uekae.esya.api.common.crypto.BaseSigner	mSigner

Method Summary

Modifier and Type	Method and Description
byte[]	generateSignature(byte[] dataToBeSigned, byte[] dataToBeRecovered) Ozet=Hash(PRND||dataToBeSigned) ImzaVerisi=(’6A’||PRND||dataToBeEmbedded||Ozet||’BC’) Imza=Sign(Private,ImzaVerisi) ImzaMin=Min(Imza,N.GEM-Imza)
byte[]	getDataRecovered()
static RSA_SSCD	getInstance(tr.gov.tubitak.uekae.esya.api.crypto.alg.DigestAlg aDigestAlg)
static RSA_SSCD	getInstance(tr.gov.tubitak.uekae.esya.api.crypto.alg.DigestAlg aDigestAlg, tr.gov.tubitak.uekae.esya.api.common.crypto.IRandom aRand)
void	setupForSigning(tr.gov.tubitak.uekae.esya.api.common.crypto.BaseSigner signer, java.math.BigInteger modulus)
void	setupForSigning(java.security.PrivateKey key)
void	setupForVerification(java.security.PublicKey key)
boolean	verifySignature(byte[] signature, byte[] aDataThatisIncludedByMe, int aLenOfDataToBeRecovered) Ozet=Hash(PRND1||dataEmbedded||aDataThatisIncludedByMe) ImzaVerisi=(’6A’||PRND1||dataEmbedded||Ozet||’BC’) Imza=Sign(PrK.TCKK.GM,ImzaVerisi)

Methods inherited from class java.lang.Object

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

Field Detail

mSigner

protected tr.gov.tubitak.uekae.esya.api.common.crypto.BaseSigner mSigner

blockSize

protected int blockSize

mModulus

protected java.math.BigInteger mModulus

mDigestAlg

protected tr.gov.tubitak.uekae.esya.api.crypto.alg.DigestAlg mDigestAlg

mPublicKey

protected java.security.interfaces.RSAPublicKey mPublicKey

mPrivKey

protected java.security.interfaces.RSAPrivateKey mPrivKey

LOGGER

protected static org.slf4j.Logger LOGGER

Method Detail

getInstance

public static final RSA_SSCD getInstance(tr.gov.tubitak.uekae.esya.api.crypto.alg.DigestAlg aDigestAlg,
                                         tr.gov.tubitak.uekae.esya.api.common.crypto.IRandom aRand)

getInstance

public static final RSA_SSCD getInstance(tr.gov.tubitak.uekae.esya.api.crypto.alg.DigestAlg aDigestAlg)

setupForVerification

public void setupForVerification(java.security.PublicKey key)
                          throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

setupForSigning

public void setupForSigning(java.security.PrivateKey key)
                     throws java.lang.IllegalArgumentException,
                            tr.gov.tubitak.uekae.esya.api.crypto.exceptions.CryptoException

Throws:

java.lang.IllegalArgumentException

tr.gov.tubitak.uekae.esya.api.crypto.exceptions.CryptoException

setupForSigning

public void setupForSigning(tr.gov.tubitak.uekae.esya.api.common.crypto.BaseSigner signer,
                            java.math.BigInteger modulus)

generateSignature

public byte[] generateSignature(byte[] dataToBeSigned,
                                byte[] dataToBeRecovered)
                         throws java.lang.IllegalStateException,
                                tr.gov.tubitak.uekae.esya.api.common.ESYAException

Ozet=Hash(PRND||dataToBeSigned) ImzaVerisi=(’6A’||PRND||dataToBeEmbedded||Ozet||’BC’) Imza=Sign(Private,ImzaVerisi) ImzaMin=Min(Imza,N.GEM-Imza)

Parameters:

dataToBeSigned -

dataToBeRecovered -

Returns:

Throws:

java.lang.IllegalStateException

tr.gov.tubitak.uekae.esya.api.common.ESYAException

verifySignature

public boolean verifySignature(byte[] signature,
                               byte[] aDataThatisIncludedByMe,
                               int aLenOfDataToBeRecovered)
                        throws java.lang.IllegalStateException

Ozet=Hash(PRND1||dataEmbedded||aDataThatisIncludedByMe) ImzaVerisi=(’6A’||PRND1||dataEmbedded||Ozet||’BC’) Imza=Sign(PrK.TCKK.GM,ImzaVerisi)

Parameters:

signature -

aDataThatisIncludedByMe -

Returns:

Throws:

java.lang.IllegalStateException

getDataRecovered

public byte[] getDataRecovered()