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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
package org.bouncycastle.jcajce.provider.asymmetric.ec;
import java.security.AlgorithmParameters;
import java.security.InvalidKeyException;
import java.security.PrivateKey;
import java.security.PublicKey;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.DSAExt;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.NullDigest;
import org.bouncycastle.crypto.digests.RIPEMD160Digest;
import org.bouncycastle.crypto.params.ParametersWithRandom;
import org.bouncycastle.crypto.signers.DSAEncoding;
import org.bouncycastle.crypto.signers.ECDSASigner;
import org.bouncycastle.crypto.signers.ECNRSigner;
import org.bouncycastle.crypto.signers.HMacDSAKCalculator;
import org.bouncycastle.crypto.signers.PlainDSAEncoding;
import org.bouncycastle.crypto.signers.StandardDSAEncoding;
import org.bouncycastle.crypto.util.DigestFactory;
import org.bouncycastle.jcajce.provider.asymmetric.util.DSABase;
import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil;
public class SignatureSpi
extends DSABase
{
SignatureSpi(Digest digest, DSAExt signer, DSAEncoding encoding)
{
super(digest, signer, encoding);
}
protected void engineInitVerify(PublicKey publicKey)
throws InvalidKeyException
{
CipherParameters param = ECUtils.generatePublicKeyParameter(publicKey);
digest.reset();
signer.init(false, param);
}
protected void engineInitSign(
PrivateKey privateKey)
throws InvalidKeyException
{
CipherParameters param = ECUtil.generatePrivateKeyParameter(privateKey);
digest.reset();
if (appRandom != null)
{
signer.init(true, new ParametersWithRandom(param, appRandom));
}
else
{
signer.init(true, param);
}
}
protected AlgorithmParameters engineGetParameters()
{
return null;
}
static public class ecDSA
extends SignatureSpi
{
public ecDSA()
{
super(DigestFactory.createSHA1(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSA
extends SignatureSpi
{
public ecDetDSA()
{
super(DigestFactory.createSHA1(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA1())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSAnone
extends SignatureSpi
{
public ecDSAnone()
{
super(new NullDigest(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSA224
extends SignatureSpi
{
public ecDSA224()
{
super(DigestFactory.createSHA224(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSA224
extends SignatureSpi
{
public ecDetDSA224()
{
super(DigestFactory.createSHA224(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA224())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSA256
extends SignatureSpi
{
public ecDSA256()
{
super(DigestFactory.createSHA256(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSA256
extends SignatureSpi
{
public ecDetDSA256()
{
super(DigestFactory.createSHA256(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA256())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSA384
extends SignatureSpi
{
public ecDSA384()
{
super(DigestFactory.createSHA384(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSA384
extends SignatureSpi
{
public ecDetDSA384()
{
super(DigestFactory.createSHA384(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA384())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSA512
extends SignatureSpi
{
public ecDSA512()
{
super(DigestFactory.createSHA512(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSA512
extends SignatureSpi
{
public ecDetDSA512()
{
super(DigestFactory.createSHA512(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA512())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSASha3_224
extends SignatureSpi
{
public ecDSASha3_224()
{
super(DigestFactory.createSHA3_224(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSASha3_224
extends SignatureSpi
{
public ecDetDSASha3_224()
{
super(DigestFactory.createSHA3_224(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA3_224())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSASha3_256
extends SignatureSpi
{
public ecDSASha3_256()
{
super(DigestFactory.createSHA3_256(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSASha3_256
extends SignatureSpi
{
public ecDetDSASha3_256()
{
super(DigestFactory.createSHA3_256(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA3_256())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSASha3_384
extends SignatureSpi
{
public ecDSASha3_384()
{
super(DigestFactory.createSHA3_384(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSASha3_384
extends SignatureSpi
{
public ecDetDSASha3_384()
{
super(DigestFactory.createSHA3_384(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA3_384())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSASha3_512
extends SignatureSpi
{
public ecDSASha3_512()
{
super(DigestFactory.createSHA3_512(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDetDSASha3_512
extends SignatureSpi
{
public ecDetDSASha3_512()
{
super(DigestFactory.createSHA3_512(), new ECDSASigner(new HMacDSAKCalculator(DigestFactory.createSHA3_512())), StandardDSAEncoding.INSTANCE);
}
}
static public class ecDSARipeMD160
extends SignatureSpi
{
public ecDSARipeMD160()
{
super(new RIPEMD160Digest(), new ECDSASigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecNR
extends SignatureSpi
{
public ecNR()
{
super(DigestFactory.createSHA1(), new ECNRSigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecNR224
extends SignatureSpi
{
public ecNR224()
{
super(DigestFactory.createSHA224(), new ECNRSigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecNR256
extends SignatureSpi
{
public ecNR256()
{
super(DigestFactory.createSHA256(), new ECNRSigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecNR384
extends SignatureSpi
{
public ecNR384()
{
super(DigestFactory.createSHA384(), new ECNRSigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecNR512
extends SignatureSpi
{
public ecNR512()
{
super(DigestFactory.createSHA512(), new ECNRSigner(), StandardDSAEncoding.INSTANCE);
}
}
static public class ecCVCDSA
extends SignatureSpi
{
public ecCVCDSA()
{
super(DigestFactory.createSHA1(), new ECDSASigner(), PlainDSAEncoding.INSTANCE);
}
}
static public class ecCVCDSA224
extends SignatureSpi
{
public ecCVCDSA224()
{
super(DigestFactory.createSHA224(), new ECDSASigner(), PlainDSAEncoding.INSTANCE);
}
}
static public class ecCVCDSA256
extends SignatureSpi
{
public ecCVCDSA256()
{
super(DigestFactory.createSHA256(), new ECDSASigner(), PlainDSAEncoding.INSTANCE);
}
}
static public class ecCVCDSA384
extends SignatureSpi
{
public ecCVCDSA384()
{
super(DigestFactory.createSHA384(), new ECDSASigner(), PlainDSAEncoding.INSTANCE);
}
}
static public class ecCVCDSA512
extends SignatureSpi
{
public ecCVCDSA512()
{
super(DigestFactory.createSHA512(), new ECDSASigner(), PlainDSAEncoding.INSTANCE);
}
}
static public class ecPlainDSARP160
extends SignatureSpi
{
public ecPlainDSARP160()
{
super(new RIPEMD160Digest(), new ECDSASigner(), PlainDSAEncoding.INSTANCE);
}
}
}