Java 类org.bouncycastle.crypto.params.ECPrivateKeyParameters 实例源码

项目：ipack 文件：TlsECDHKeyExchange.java

public void generateClientKeyExchange(OutputStream output)
    throws IOException
{
    if (agreementCredentials != null)
    {
        return;
    }

    AsymmetricCipherKeyPair ecAgreeClientKeyPair = TlsECCUtils.generateECKeyPair(context.getSecureRandom(),
        ecAgreeServerPublicKey.getParameters());
    this.ecAgreeClientPrivateKey = (ECPrivateKeyParameters)ecAgreeClientKeyPair.getPrivate();

    byte[] point = TlsECCUtils.serializeECPublicKey(serverECPointFormats,
        (ECPublicKeyParameters)ecAgreeClientKeyPair.getPublic());

    TlsUtils.writeOpaque8(point, output);
}

项目：ipack 文件：DSTU4145Signer.java

public void init(boolean forSigning, CipherParameters param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            param = rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
        }

        this.key = (ECPrivateKeyParameters)param;
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }

}

项目：ipack 文件：ECDSASigner.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：ipack 文件：ECNRSigner.java

public void init(
    boolean          forSigning, 
    CipherParameters param) 
{
    this.forSigning = forSigning;

    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：Direct-File-Downloader 文件：JCEECPrivateKey.java

JCEECPrivateKey(
    String                  algorithm,
    ECPrivateKeyParameters  params,
    ECParameterSpec         spec)
{
    ECDomainParameters      dp = params.getParameters();

    this.algorithm = algorithm;
    this.d = params.getD();

    if (spec == null)
    {
        this.ecSpec = new ECParameterSpec(
                        dp.getCurve(),
                        dp.getG(),
                        dp.getN(),
                        dp.getH(),
                        dp.getSeed());
    }
    else
    {
        this.ecSpec = spec;
    }
}

项目：Direct-File-Downloader 文件：ECUtil.java

static public AsymmetricKeyParameter generatePrivateKeyParameter(
    PrivateKey    key)
    throws InvalidKeyException
{
    if (key instanceof ECPrivateKey)
    {
        ECPrivateKey    k = (ECPrivateKey)key;
        ECParameterSpec s = k.getParams();

        return new ECPrivateKeyParameters(
                        k.getD(),
                        new ECDomainParameters(s.getCurve(), s.getG(), s.getN()));
    }

    throw new InvalidKeyException("can't identify EC private key.");
}

项目：Direct-File-Downloader 文件：ECDSASigner.java

public void init(
       boolean                 forSigning,
       CipherParameters        param)
{
       if (forSigning)
       {
           if (param instanceof ParametersWithRandom)
           {
               ParametersWithRandom    rParam = (ParametersWithRandom)param;

               this.random = rParam.getRandom();
               this.key = (ECPrivateKeyParameters)rParam.getParameters();
           }
           else
           {
               this.random = new SecureRandom();
               this.key = (ECPrivateKeyParameters)param;
           }
       }
       else
       {
        this.key = (ECPublicKeyParameters)param;
       }
}

项目：Direct-File-Downloader 文件：ECKeyPairGenerator.java

/**
    * Given the domain parameters this routine generates an EC key
    * pair in accordance with X9.62 section 5.2.1 pages 26, 27.
    */
   public AsymmetricCipherKeyPair generateKeyPair()
   {
    BigInteger n = params.getN();
    int           nBitLength = n.bitLength();
    BigInteger d;

    do
    {
        d = new BigInteger(nBitLength, random);
    }
    while (d.equals(ZERO)  || (d.compareTo(n) >= 0));

    ECPoint Q = params.getG().multiply(d);

    return new AsymmetricCipherKeyPair(
           new ECPublicKeyParameters(Q, params),
        new ECPrivateKeyParameters(d, params));
}

项目：TLS-Attacker 文件：ECDHClientKeyExchangePreparator.java

@Override
public void prepareAfterParse() {
    try {
        msg.prepareComputations();
        List<ECPointFormat> pointFormatList = chooser.getServerSupportedPointFormats();
        ECPointFormat[] formatArray = pointFormatList.toArray(new ECPointFormat[pointFormatList.size()]);
        short[] pointFormats = ECCUtilsBCWrapper.convertPointFormats(formatArray);
        ECPublicKeyParameters clientPublicKey = TlsECCUtils.deserializeECPublicKey(pointFormats,
                getDomainParameters(chooser.getEcCurveType(), chooser.getSelectedCurve()), msg.getPublicKey()
                        .getValue());
        CustomECPoint customClientKey = new CustomECPoint(clientPublicKey.getQ().getRawXCoord().toBigInteger(),
                clientPublicKey.getQ().getRawYCoord().toBigInteger());
        msg.getComputations().setClientPublicKey(customClientKey);

        BigInteger privatekey = chooser.getServerEcPrivateKey();
        computePremasterSecret(clientPublicKey,
                new ECPrivateKeyParameters(privatekey, clientPublicKey.getParameters()));
        preparePremasterSecret(msg);
        prepareClientRandom(msg);
    } catch (IOException ex) {
        throw new PreparationException("Could prepare ECDHClientKeyExchange Message after Parse", ex);
    }
}

项目：gwt-crypto 文件：ECMQVBasicAgreement.java

public BigInteger calculateAgreement(CipherParameters pubKey)
{
    if (Properties.isOverrideSet("org.bouncycastle.ec.disable_mqv"))
    {
        throw new IllegalStateException("ECMQV explicitly disabled");
    }

    MQVPublicParameters pubParams = (MQVPublicParameters)pubKey;

    ECPrivateKeyParameters staticPrivateKey = privParams.getStaticPrivateKey();

    ECPoint agreement = calculateMqvAgreement(staticPrivateKey.getParameters(), staticPrivateKey,
        privParams.getEphemeralPrivateKey(), privParams.getEphemeralPublicKey(),
        pubParams.getStaticPublicKey(), pubParams.getEphemeralPublicKey()).normalize();

    if (agreement.isInfinity())
    {
        throw new IllegalStateException("Infinity is not a valid agreement value for MQV");
    }

    return agreement.getAffineXCoord().toBigInteger();
}

项目：gwt-crypto 文件：DSTU4145Signer.java

public void init(boolean forSigning, CipherParameters param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            param = rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
        }

        this.key = (ECPrivateKeyParameters)param;
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }

}

项目：gwt-crypto 文件：ECNRSigner.java

public void init(
    boolean          forSigning, 
    CipherParameters param) 
{
    this.forSigning = forSigning;

    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：gwt-crypto 文件：ECGOST3410Signer.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：SSI_Bitcoin-Storage 文件：Address.java

/*************
 * This method will create the ECDSA public and private key which is returned in a Byte array of Byte arrays, index 0 is the private key and
 * index 1 of the array will return the ECDSA public key
 * 
 * -Wisdom: This guy didn't check whether the returned Private Key would be more than 32.
 * @return

 */
private byte[][] ECDSAgeneratePublicAndPrivateKey(){
       int length = 0;
       byte[][] keys;

    do{

    ECKeyPairGenerator gen = new ECKeyPairGenerator();
    SecureRandom secureRandom = new SecureRandom();
        X9ECParameters secnamecurves = SECNamedCurves.getByName("secp256k1");
    ECDomainParameters ecParams = new ECDomainParameters(secnamecurves.getCurve(), secnamecurves.getG(), secnamecurves.getN(), secnamecurves.getH());
    ECKeyGenerationParameters keyGenParam = new ECKeyGenerationParameters(ecParams, secureRandom);
    gen.init(keyGenParam);
    AsymmetricCipherKeyPair kp = gen.generateKeyPair();
    ECPrivateKeyParameters privatekey = (ECPrivateKeyParameters)kp.getPrivate();
    ECPoint dd = secnamecurves.getG().multiply(privatekey.getD());
    byte[] publickey=new byte[65];
    System.arraycopy(dd.getY().toBigInteger().toByteArray(), 0, publickey, 64-dd.getY().toBigInteger().toByteArray().length+1, dd.getY().toBigInteger().toByteArray().length);
    System.arraycopy(dd.getX().toBigInteger().toByteArray(), 0, publickey, 32-dd.getX().toBigInteger().toByteArray().length+1, dd.getX().toBigInteger().toByteArray().length);
    publickey[0]=4;
        length = privatekey.getD().toByteArray().length;
        keys = new byte[][]{privatekey.getD().toByteArray(),publickey};

    }while(length != 32);
    return keys;
}

项目：fabric-api-archive 文件：BouncyCastleCrypto.java

@Override
public byte[] sign(byte[] hash, byte[] privateKey) {
    ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
    signer.init(true, new ECPrivateKeyParameters(new BigInteger(privateKey), domain));
    BigInteger[] signature = signer.generateSignature(hash);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        DERSequenceGenerator seq = new DERSequenceGenerator(baos);
        seq.addObject(new ASN1Integer(signature[0]));
        seq.addObject(new ASN1Integer(toCanonicalS(signature[1])));
        seq.close();
        return baos.toByteArray();
    } catch (IOException e) {
        return new byte[0];
    }
}

项目：Aki-SSL 文件：ECMQVBasicAgreement.java

public BigInteger calculateAgreement(CipherParameters pubKey)
{
    if (Properties.isOverrideSet("org.bouncycastle.ec.disable_mqv"))
    {
        throw new IllegalStateException("ECMQV explicitly disabled");
    }

    MQVPublicParameters pubParams = (MQVPublicParameters)pubKey;

    ECPrivateKeyParameters staticPrivateKey = privParams.getStaticPrivateKey();

    ECPoint agreement = calculateMqvAgreement(staticPrivateKey.getParameters(), staticPrivateKey,
        privParams.getEphemeralPrivateKey(), privParams.getEphemeralPublicKey(),
        pubParams.getStaticPublicKey(), pubParams.getEphemeralPublicKey()).normalize();

    if (agreement.isInfinity())
    {
        throw new IllegalStateException("Infinity is not a valid agreement value for MQV");
    }

    return agreement.getAffineXCoord().toBigInteger();
}

项目：Aki-SSL 文件：DSTU4145Signer.java

public void init(boolean forSigning, CipherParameters param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            param = rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
        }

        this.key = (ECPrivateKeyParameters)param;
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }

}

项目：Aki-SSL 文件：ECNRSigner.java

public void init(
    boolean          forSigning, 
    CipherParameters param) 
{
    this.forSigning = forSigning;

    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：Aki-SSL 文件：ECGOST3410Signer.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：fabric-api 文件：BouncyCastleCrypto.java

@Override
public byte[] sign(byte[] hash, byte[] privateKey) {
    ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
    signer.init(true, new ECPrivateKeyParameters(new BigInteger(privateKey), domain));
    BigInteger[] signature = signer.generateSignature(hash);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        DERSequenceGenerator seq = new DERSequenceGenerator(baos);
        seq.addObject(new ASN1Integer(signature[0]));
        seq.addObject(new ASN1Integer(toCanonicalS(signature[1])));
        seq.close();
        return baos.toByteArray();
    } catch (IOException e) {
        return new byte[0];
    }
}

项目：cosigner 文件：Secp256k1.java

/**
 * Generate a shared AES key using ECDH.
 */
public static byte[] generateSharedSecret(byte[] privateKey, byte[] publicKey) {
  try {
    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(SECP256K1);
    ECDomainParameters domain =
        new ECDomainParameters(spec.getCurve(), spec.getG(), spec.getN(), spec.getH());
    ECPublicKeyParameters pubKey =
        new ECPublicKeyParameters(spec.getCurve().decodePoint(publicKey), domain);
    ECPrivateKeyParameters prvkey =
        new ECPrivateKeyParameters(new BigInteger(1, privateKey), domain);

    ECDHBasicAgreement agreement = new ECDHBasicAgreement();
    agreement.init(prvkey);
    byte[] password = agreement.calculateAgreement(pubKey).toByteArray();

    return Aes.generateKey(ByteUtilities.toHexString(password), password);

  } catch (Exception e) {
    LOGGER.error(null, e);
    return new byte[0];
  }
}

项目：TinyTravelTracker 文件：ECMQVBasicAgreement.java

public BigInteger calculateAgreement(CipherParameters pubKey)
{
    MQVPublicParameters pubParams = (MQVPublicParameters)pubKey;

    ECPrivateKeyParameters staticPrivateKey = privParams.getStaticPrivateKey();

    ECPoint agreement = calculateMqvAgreement(staticPrivateKey.getParameters(), staticPrivateKey,
        privParams.getEphemeralPrivateKey(), privParams.getEphemeralPublicKey(),
        pubParams.getStaticPublicKey(), pubParams.getEphemeralPublicKey()).normalize();

    if (agreement.isInfinity())
    {
        throw new IllegalStateException("Infinity is not a valid agreement value for MQV");
    }

    return agreement.getAffineXCoord().toBigInteger();
}

项目：TinyTravelTracker 文件：DSTU4145Signer.java

public void init(boolean forSigning, CipherParameters param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            param = rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
        }

        this.key = (ECPrivateKeyParameters)param;
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }

}

项目：TinyTravelTracker 文件：ECNRSigner.java

public void init(
    boolean          forSigning, 
    CipherParameters param) 
{
    this.forSigning = forSigning;

    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：TinyTravelTracker 文件：ECGOST3410Signer.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：bop-bitcoin-client 文件：ECKeyPair.java

@Override
public byte[] sign (byte[] hash) throws ValidationException
{
    if ( priv == null )
    {
        throw new ValidationException ("Need private key to sign");
    }
    ECDSASigner signer = new ECDSASigner (new HMacDSAKCalculator (new SHA256Digest ()));
    signer.init (true, new ECPrivateKeyParameters (priv, domain));
    BigInteger[] signature = signer.generateSignature (hash);
    ByteArrayOutputStream s = new ByteArrayOutputStream ();
    try
    {
        DERSequenceGenerator seq = new DERSequenceGenerator (s);
        seq.addObject (new ASN1Integer (signature[0]));
        seq.addObject (new ASN1Integer (signature[1]));
        seq.close ();
        return s.toByteArray ();
    }
    catch ( IOException e )
    {
    }
    return null;
}

项目：AcademicTorrents-Downloader 文件：JCEECPrivateKey.java

JCEECPrivateKey(
    String                  algorithm,
    ECPrivateKeyParameters  params,
    ECParameterSpec         spec)
{
    ECDomainParameters      dp = params.getParameters();

    this.algorithm = algorithm;
    this.d = params.getD();

    if (spec == null)
    {
        this.ecSpec = new ECParameterSpec(
                        dp.getCurve(),
                        dp.getG(),
                        dp.getN(),
                        dp.getH(),
                        dp.getSeed());
    }
    else
    {
        this.ecSpec = spec;
    }
}

项目：AcademicTorrents-Downloader 文件：ECUtil.java

static public AsymmetricKeyParameter generatePrivateKeyParameter(
    PrivateKey    key)
    throws InvalidKeyException
{
    if (key instanceof ECPrivateKey)
    {
        ECPrivateKey    k = (ECPrivateKey)key;
        ECParameterSpec s = k.getParams();

        return new ECPrivateKeyParameters(
                        k.getD(),
                        new ECDomainParameters(s.getCurve(), s.getG(), s.getN()));
    }

    throw new InvalidKeyException("can't identify EC private key.");
}

项目：AcademicTorrents-Downloader 文件：ECDSASigner.java

public void init(
       boolean                 forSigning,
       CipherParameters        param)
{
       if (forSigning)
       {
           if (param instanceof ParametersWithRandom)
           {
               ParametersWithRandom    rParam = (ParametersWithRandom)param;

               this.random = rParam.getRandom();
               this.key = (ECPrivateKeyParameters)rParam.getParameters();
           }
           else
           {
               this.random = new SecureRandom();
               this.key = (ECPrivateKeyParameters)param;
           }
       }
       else
       {
        this.key = (ECPublicKeyParameters)param;
       }
}

项目：AcademicTorrents-Downloader 文件：ECKeyPairGenerator.java

/**
    * Given the domain parameters this routine generates an EC key
    * pair in accordance with X9.62 section 5.2.1 pages 26, 27.
    */
   public AsymmetricCipherKeyPair generateKeyPair()
   {
    BigInteger n = params.getN();
    int           nBitLength = n.bitLength();
    BigInteger d;

    do
    {
        d = new BigInteger(nBitLength, random);
    }
    while (d.equals(ZERO)  || (d.compareTo(n) >= 0));

    ECPoint Q = params.getG().multiply(d);

    return new AsymmetricCipherKeyPair(
           new ECPublicKeyParameters(Q, params),
        new ECPrivateKeyParameters(d, params));
}

项目：WalletCordova 文件：ECKeyPair.java

@Override
public byte[] sign (byte[] hash) throws ValidationException
{
    if ( priv == null )
    {
        throw new ValidationException ("Need private key to sign");
    }
    ECDSASigner signer = new ECDSASigner (new HMacDSAKCalculator (new SHA256Digest ()));
    signer.init (true, new ECPrivateKeyParameters (priv, domain));
    BigInteger[] signature = signer.generateSignature (hash);
    ByteArrayOutputStream s = new ByteArrayOutputStream ();
    try
    {
        DERSequenceGenerator seq = new DERSequenceGenerator (s);
        seq.addObject (new ASN1Integer (signature[0]));
        seq.addObject (new ASN1Integer (signature[1]));
        seq.close ();
        return s.toByteArray ();
    }
    catch ( IOException e )
    {
    }
    return null;
}

项目：CryptMeme 文件：ECMQVBasicAgreement.java

public BigInteger calculateAgreement(CipherParameters pubKey)
{
    MQVPublicParameters pubParams = (MQVPublicParameters)pubKey;

    ECPrivateKeyParameters staticPrivateKey = privParams.getStaticPrivateKey();

    ECPoint agreement = calculateMqvAgreement(staticPrivateKey.getParameters(), staticPrivateKey,
        privParams.getEphemeralPrivateKey(), privParams.getEphemeralPublicKey(),
        pubParams.getStaticPublicKey(), pubParams.getEphemeralPublicKey()).normalize();

    if (agreement.isInfinity())
    {
        throw new IllegalStateException("Infinity is not a valid agreement value for MQV");
    }

    return agreement.getAffineXCoord().toBigInteger();
}

项目：CryptMeme 文件：DSTU4145Signer.java

public void init(boolean forSigning, CipherParameters param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            param = rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
        }

        this.key = (ECPrivateKeyParameters)param;
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }

}

项目：CryptMeme 文件：ECDSASigner.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：CryptMeme 文件：ECNRSigner.java

public void init(
    boolean          forSigning, 
    CipherParameters param) 
{
    this.forSigning = forSigning;

    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：CryptMeme 文件：ECGOST3410Signer.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}

项目：CryptMeme 文件：ECKeyPairGenerator.java

/**
 * Given the domain parameters this routine generates an EC key
 * pair in accordance with X9.62 section 5.2.1 pages 26, 27.
 */
public AsymmetricCipherKeyPair generateKeyPair()
{
    BigInteger n = params.getN();
    int        nBitLength = n.bitLength();
    BigInteger d;

    do
    {
        d = new BigInteger(nBitLength, random);
    }
    while (d.equals(ZERO)  || (d.compareTo(n) >= 0));

    ECPoint Q = params.getG().multiply(d);

    return new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(Q, params),
        new ECPrivateKeyParameters(d, params));
}

项目：ximix 文件：ECKeyManagerTest.java

@Test
public void testFailedCommitment()
    throws Exception
{
    ECKeyManager keyManager = new ECKeyManager(new TestUtils.BasicNodeContext("Test"));
    X9ECParameters ecParameters = CustomNamedCurves.getByName("secp256r1");
    ECDomainParameters domainParameters = new ECDomainParameters(ecParameters.getCurve(), ecParameters.getG(), ecParameters.getN(), ecParameters.getH());
    ECPoint h = domainParameters.getG().multiply(BigInteger.valueOf(1000001));

    AsymmetricCipherKeyPair kp = keyManager.generateKeyPair("Test1", Algorithm.EC_ELGAMAL, 1, domainParameters, h);
    ECPrivateKeyParameters privKey = (ECPrivateKeyParameters)kp.getPrivate();
    ECPublicKeyParameters pubKey = (ECPublicKeyParameters)kp.getPublic();
    ECPoint commitment = pubKey.getParameters().getG().multiply(privKey.getD()).add(h);

    try
    {
        keyManager.buildSharedKey("Test1", new ECCommittedSecretShareMessage(0, privKey.getD(), BigInteger.TEN, new ECPoint[]{commitment}, pubKey.getQ(), new ECPoint[]{pubKey.getQ()}));

        Assert.fail("bad commitment not detected");
    }
    catch (IllegalStateException e)
    {
        Assert.assertEquals("Commitment for Test1 failed!", e.getMessage());
    }
}

项目：irma_future_id 文件：DSTU4145Signer.java

public void init(boolean forSigning, CipherParameters param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            param = rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
        }

        this.key = (ECPrivateKeyParameters)param;
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }

}

项目：irma_future_id 文件：ECDSASigner.java

public void init(
    boolean                 forSigning,
    CipherParameters        param)
{
    if (forSigning)
    {
        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            this.random = rParam.getRandom();
            this.key = (ECPrivateKeyParameters)rParam.getParameters();
        }
        else
        {
            this.random = new SecureRandom();
            this.key = (ECPrivateKeyParameters)param;
        }
    }
    else
    {
        this.key = (ECPublicKeyParameters)param;
    }
}