Example usage for org.bouncycastle.asn1 ASN1Integer ASN1Integer

Introduction

In this page you can find the example usage for org.bouncycastle.asn1 ASN1Integer ASN1Integer.

Prototype

public ASN1Integer(byte[] bytes) 

Source Link

Document

Construct an INTEGER from the passed in byte array.

Usage

From source file:de.tsenger.animamea.asn1.AmECPublicKey.java

License:Open Source License

public AmECPublicKey(String oidString, BigInteger p, BigInteger a, BigInteger b, ECPoint G, BigInteger r,
        ECPoint Y, BigInteger f) {
    super(oidString);
    this.p = new DERTaggedObject(false, 1, new ASN1Integer(p));
    this.a = new DERTaggedObject(false, 2, new ASN1Integer(a));
    this.b = new DERTaggedObject(false, 3, new ASN1Integer(b));
    this.G = new DERTaggedObject(false, 4, new DEROctetString(G.getEncoded()));
    this.r = new DERTaggedObject(false, 5, new ASN1Integer(r));
    this.Y = new DERTaggedObject(false, 6, new DEROctetString(Y.getEncoded()));
    this.f = new DERTaggedObject(false, 7, new ASN1Integer(f));
    vec.add(this.p);
    vec.add(this.a);
    vec.add(this.b);
    vec.add(this.G);
    vec.add(this.r);
    vec.add(this.Y);
    vec.add(this.f);
}

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From source file:de.tsenger.animamea.asn1.AmRSAPublicKey.java

License:Open Source License

public AmRSAPublicKey(String oidString, BigInteger n, BigInteger e) {
    super(oidString);
    this.n = new DERTaggedObject(false, 1, new ASN1Integer(n));
    this.e = new DERTaggedObject(false, 2, new ASN1Integer(e));
    vec.add(this.n);
    vec.add(this.e);
}

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From source file:de.tsenger.animamea.asn1.PaceInfo.java

License:Open Source License

public PaceInfo(String oid, int version, int parameterId) {
    this.protocol = new ASN1ObjectIdentifier(oid);
    this.version = new ASN1Integer(version);
    this.parameterId = new ASN1Integer(parameterId);
}

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From source file:de.tsenger.animamea.iso7816.MSESetAT.java

License:Open Source License

/**
 * Setzt das Tag 0x83 (Reference of public / secret key) fr PACE
 * //from  w  w w .j a va 2s . co  m
 * @param kr
 *            Referenziert das verwendete Passwort: 1: MRZ 2: CAN 3: PIN 4:
 *            PUK
 */
public void setKeyReference(int kr) {
    DERTaggedObject to = new DERTaggedObject(false, 0x03, new ASN1Integer(kr));
    try {
        do83KeyReference = to.getEncoded(ASN1Encoding.DER);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

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From source file:de.tsenger.animamea.iso7816.MSESetAT.java

License:Open Source License

/**
 * Setzt das Tag 0x84 (Reference of a private key / Reference for computing
 * a session key)/* ww  w. j av  a 2 s.c o m*/
 * 
 * @param pkr
 *            Bei PACE wird der Index der zu verwendenden Domain Parameter
 *            angegeben Bei CA wird der Index des zu verwendenden Private
 *            Keys angegeben Bei RI wird der Index des zu verwendenden
 *            Private Keys angegeben
 */
public void setPrivateKeyReference(int pkr) {
    DERTaggedObject to = new DERTaggedObject(false, 0x04, new ASN1Integer(pkr));
    try {
        do84PrivateKeyReference = to.getEncoded(ASN1Encoding.DER);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

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From source file:dorkbox.build.util.jar.JarSigner.java

License:Apache License

private static void writeDsaKeysToFile(DSAPrivateKeyParameters wimpyPrivateKey,
        DSAPublicKeyParameters wimpyPublicKey, File wimpyKeyRawFile) throws IOException, FileNotFoundException {

    DSAParameters parameters = wimpyPublicKey.getParameters(); // has to convert to DSAParameter so encoding works.
    byte[] publicKeyBytes = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa,
            new DSAParameter(parameters.getP(), parameters.getQ(), parameters.getG()).toASN1Primitive()),
            new ASN1Integer(wimpyPublicKey.getY())).getEncoded();
    // SAME AS:/*from ww w  .ja v a2  s  .co m*/
    //        Certificate[] certificates = Launcher.class.getProtectionDomain().getCodeSource().getCertificates();
    //        if (certificates.length != 1) {
    //            // WHOOPS!
    //            Exit.FailedSecurity("Incorrect certificate length!");
    //        }
    //
    //        Certificate certificate = certificates[0];
    //        PublicKey publicKey = certificate.getPublicKey();
    //        byte[] publicKeyBytes = publicKey.getEncoded();
    //
    //        digest.reset();
    //        digest.update(publicKeyBytes, 0, publicKeyBytes.length);
    //        hashPublicKeyBytes = digest.digest();

    parameters = wimpyPrivateKey.getParameters();
    byte[] privateKeyBytes = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa,
            new DSAParameter(parameters.getP(), parameters.getQ(), parameters.getG()).toASN1Primitive()),
            new ASN1Integer(wimpyPrivateKey.getX())).getEncoded();

    // write public length to bytes.
    byte[] publicKeySize = new byte[] { (byte) (publicKeyBytes.length >>> 24),
            (byte) (publicKeyBytes.length >>> 16), (byte) (publicKeyBytes.length >>> 8),
            (byte) (publicKeyBytes.length >>> 0) };

    ByteArrayOutputStream keyOutputStream = new ByteArrayOutputStream(
            4 + publicKeyBytes.length + privateKeyBytes.length);

    keyOutputStream.write(publicKeyBytes, 0, publicKeyBytes.length);
    keyOutputStream.write(privateKeyBytes, 0, privateKeyBytes.length);
    keyOutputStream.write(publicKeySize, 0, publicKeySize.length); // mess with people staring at the keys (store length at the end).

    displayByteHash(publicKeyBytes);

    // write out the file
    OutputStream outputStream = new FileOutputStream(wimpyKeyRawFile);
    keyOutputStream.writeTo(outputStream);
    Sys.close(outputStream);
}

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From source file:dorkbox.util.crypto.DsaTest.java

License:Apache License

@Test
public void DsaJceSerializaion() throws IOException {

    AsymmetricCipherKeyPair generateKeyPair = CryptoDSA
            .generateKeyPair(new SecureRandom(entropySeed.getBytes()), 1024);
    DSAPrivateKeyParameters privateKey = (DSAPrivateKeyParameters) generateKeyPair.getPrivate();
    DSAPublicKeyParameters publicKey = (DSAPublicKeyParameters) generateKeyPair.getPublic();

    // public key as bytes.
    DSAParameters parameters = publicKey.getParameters();
    byte[] bs = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa,
            new DSAParameter(parameters.getP(), parameters.getQ(), parameters.getG()).toASN1Primitive()),
            new ASN1Integer(publicKey.getY())).getEncoded();

    parameters = privateKey.getParameters();
    byte[] bs2 = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa,
            new DSAParameter(parameters.getP(), parameters.getQ(), parameters.getG()).toASN1Primitive()),
            new ASN1Integer(privateKey.getX())).getEncoded();

    DSAPrivateKeyParameters privateKey2 = (DSAPrivateKeyParameters) PrivateKeyFactory.createKey(bs2);
    DSAPublicKeyParameters publicKey2 = (DSAPublicKeyParameters) PublicKeyFactory.createKey(bs);

    // test via signing
    byte[] bytes = "hello, my name is inigo montoya".getBytes();

    BigInteger[] signature = CryptoDSA.generateSignature(privateKey, new SecureRandom(entropySeed.getBytes()),
            bytes);/*w w  w. j  a v a  2 s  .  co m*/

    boolean verify1 = CryptoDSA.verifySignature(publicKey, bytes, signature);

    if (!verify1) {
        fail("failed signature verification");
    }

    boolean verify2 = CryptoDSA.verifySignature(publicKey2, bytes, signature);

    if (!verify2) {
        fail("failed signature verification");
    }

    // now reverse who signs what.
    BigInteger[] signatureB = CryptoDSA.generateSignature(privateKey2, new SecureRandom(entropySeed.getBytes()),
            bytes);

    boolean verifyB1 = CryptoDSA.verifySignature(publicKey, bytes, signatureB);

    if (!verifyB1) {
        fail("failed signature verification");
    }

    boolean verifyB2 = CryptoDSA.verifySignature(publicKey2, bytes, signatureB);

    if (!verifyB2) {
        fail("failed signature verification");
    }
}

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From source file:edu.tamu.tcat.crypto.bouncycastle.ASN1SeqKeyImpl.java

License:Apache License

private static ASN1Sequence getParameters(ECParameterSpec ecParameterSpec) throws EncodingException {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(new ASN1Integer(1));
    EllipticCurve curve = ecParameterSpec.getCurve();

    ASN1Sequence fieldId = getField(curve.getField());
    v.add(fieldId);/*  ww w.j  a  v  a 2  s  . c om*/
    v.add(getCurve(curve));

    org.bouncycastle.math.ec.ECPoint g = EC5Util.convertPoint(ecParameterSpec, ecParameterSpec.getGenerator(),
            false);
    byte[] encoded = g.getEncoded();
    v.add(new DEROctetString(encoded));

    v.add(new ASN1Integer(ecParameterSpec.getOrder()));
    v.add(new ASN1Integer(ecParameterSpec.getCofactor()));

    return new DERSequence(v);
}

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From source file:edu.tamu.tcat.crypto.bouncycastle.ASN1SeqKeyImpl.java

License:Apache License

private static ASN1Sequence getField(ECField field) throws EncodingException {
    ASN1EncodableVector v = new ASN1EncodableVector();
    if (field instanceof ECFieldFp) {
        ECFieldFp fpField = (ECFieldFp) field;
        v.add(new ASN1ObjectIdentifier("1.2.840.10045.1.1"));
        v.add(new ASN1Integer(fpField.getP()));
    } else//from w w  w  . j  av a 2 s .  c  o  m
        throw new EncodingException("Only know how to encode prime fields");

    return new DERSequence(v);
}

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From source file:es.gob.afirma.signers.pkcs7.DigestedData.java

License:Open Source License

/** Crea un objeto CMS DigestedData.
 * @param digestAlgo ALgoritmo de huella digital
 * @param contentInfo ContentInfo//w w w  .  ja va  2s .  c  o  m
 * @param digest Valor de la huella digital
 */
public DigestedData(final AlgorithmIdentifier digestAlgo, final ContentInfo contentInfo,
        final ASN1OctetString digest) {
    this.version = new ASN1Integer(0);
    this.digestAlgorithm = digestAlgo;
    this.contentInfo = contentInfo;
    this.digest = digest;
}

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