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:net.ripe.rpki.commons.crypto.rfc3779.ResourceExtensionEncoder.java

License:BSD License

/**
 * ASId ::= INTEGER
 */
ASN1Integer asIdToDer(Asn asn) {
    return new ASN1Integer(asn.getValue());
}

From source file:net.ripe.rpki.commons.crypto.rfc3779.ResourceExtensionParserTest.java

License:BSD License

@Test(expected = IllegalArgumentException.class)
public void shouldFailOnIllegalIpAddressOrRange() {
    parser.derToIpAddressOrRange(IpResourceType.IPv4, new ASN1Integer(123));
}

From source file:net.ripe.rpki.commons.crypto.util.Asn1UtilTest.java

License:BSD License

@Test(expected = IllegalArgumentException.class)
public void shouldFailOnOutOfRangeAsn() {
    parseAsId(new ASN1Integer(-1));
}

From source file:net.schmizz.sshj.signature.SignatureDSA.java

License:Apache License

/**
 * Encodes the signature as a DER sequence (ASN.1 format).
 *///from w w w  .  j  av a 2  s  . c om
private byte[] asnEncode(byte[] sigBlob) throws IOException {
    byte[] r = new BigInteger(1, Arrays.copyOfRange(sigBlob, 0, 20)).toByteArray();
    byte[] s = new BigInteger(1, Arrays.copyOfRange(sigBlob, 20, 40)).toByteArray();

    ASN1EncodableVector vector = new ASN1EncodableVector();
    vector.add(new ASN1Integer(r));
    vector.add(new ASN1Integer(s));

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ASN1OutputStream asnOS = new ASN1OutputStream(baos);

    asnOS.writeObject(new DERSequence(vector));
    asnOS.flush();

    return baos.toByteArray();
}

From source file:net.schmizz.sshj.signature.SignatureECDSA.java

License:Apache License

/**
 * Encodes the signature as a DER sequence (ASN.1 format).
 *///  w  w w . ja v a 2  s.com
private byte[] asnEncode(byte[] sigBlob) throws IOException {
    Buffer.PlainBuffer sigbuf = new Buffer.PlainBuffer(sigBlob);
    byte[] r = sigbuf.readBytes();
    byte[] s = sigbuf.readBytes();

    ASN1EncodableVector vector = new ASN1EncodableVector();
    vector.add(new ASN1Integer(r));
    vector.add(new ASN1Integer(s));

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ASN1OutputStream asnOS = new ASN1OutputStream(baos);

    asnOS.writeObject(new DERSequence(vector));
    asnOS.flush();

    return baos.toByteArray();
}

From source file:net.sf.keystore_explorer.crypto.csr.spkac.Spkac.java

License:Open Source License

private byte[] encodeRsaPublicKeyAsBitString(RSAPublicKey rsaPublicKey) throws SpkacException {
    try {//  w  ww  . ja  v  a  2 s  .  c  o  m
        ASN1EncodableVector vec = new ASN1EncodableVector();
        vec.add(new ASN1Integer(rsaPublicKey.getModulus()));
        vec.add(new ASN1Integer(rsaPublicKey.getPublicExponent()));
        DERSequence derSequence = new DERSequence(vec);
        return derSequence.getEncoded(ASN1Encoding.DER);
    } catch (Exception ex) {
        throw new SpkacException(res.getString("NoEncodeRsaPublicKey.exception.message"), ex);
    }
}

From source file:net.sf.keystore_explorer.crypto.csr.spkac.Spkac.java

License:Open Source License

private byte[] encodeDsaPublicKeyAsBitString(DSAPublicKey dsaPublicKey) throws SpkacException {
    try {//from   ww  w  .  j  a  v a2  s  .c  om
        ASN1Integer publicKey = new ASN1Integer(dsaPublicKey.getY());

        return publicKey.getEncoded(ASN1Encoding.DER);
    } catch (Exception ex) {
        throw new SpkacException(res.getString("NoEncodeDsaPublicKey.exception.message"), ex);
    }
}

From source file:net.sf.keystore_explorer.crypto.csr.spkac.Spkac.java

License:Open Source License

private ASN1Sequence createPublicKeyAndChallenge() throws SpkacException {
    ASN1EncodableVector publicKeyAlgorithm = new ASN1EncodableVector();
    publicKeyAlgorithm.add(new ASN1ObjectIdentifier(getPublicKeyAlg().oid()));

    if (getPublicKey() instanceof RSAPublicKey) {
        publicKeyAlgorithm.add(DERNull.INSTANCE);
    } else {/*from   www. j av  a  2 s. c o  m*/
        DSAParams dsaParams = ((DSAPublicKey) getPublicKey()).getParams();

        ASN1EncodableVector dssParams = new ASN1EncodableVector();
        dssParams.add(new ASN1Integer(dsaParams.getP()));
        dssParams.add(new ASN1Integer(dsaParams.getQ()));
        dssParams.add(new ASN1Integer(dsaParams.getG()));

        publicKeyAlgorithm.add(new DERSequence(dssParams));
    }

    ASN1EncodableVector spki = new ASN1EncodableVector();
    spki.add(new DERSequence(publicKeyAlgorithm));
    spki.add(encodePublicKeyAsBitString(getPublicKey()));

    ASN1EncodableVector publicKeyAndChallenge = new ASN1EncodableVector();
    publicKeyAndChallenge.add(new DERSequence(spki));
    publicKeyAndChallenge.add(new DERIA5String(getChallenge()));
    return new DERSequence(publicKeyAndChallenge);
}

From source file:net.sf.keystore_explorer.crypto.privatekey.OpenSslPvkUtil.java

License:Open Source License

/**
 * OpenSSL encode a private key.//from   ww  w  .j a  v  a  2 s. c  o m
 *
 * @return The encoding
 * @param privateKey
 *            The private key
 * @throws CryptoException
 *             Problem encountered while getting the encoded private key
 */
public static byte[] get(PrivateKey privateKey) throws CryptoException {
    // DER encoding for each key type is a sequence
    ASN1EncodableVector vec = new ASN1EncodableVector();

    if (privateKey instanceof RSAPrivateCrtKey) {
        RSAPrivateCrtKey rsaPrivateKey = (RSAPrivateCrtKey) privateKey;

        vec.add(new ASN1Integer(VERSION));
        vec.add(new ASN1Integer(rsaPrivateKey.getModulus()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPublicExponent()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrivateExponent()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeP()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeQ()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeExponentP()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeExponentQ()));
        vec.add(new ASN1Integer(rsaPrivateKey.getCrtCoefficient()));
    } else {
        DSAPrivateKey dsaPrivateKey = (DSAPrivateKey) privateKey;
        DSAParams dsaParams = dsaPrivateKey.getParams();

        BigInteger primeModulusP = dsaParams.getP();
        BigInteger primeQ = dsaParams.getQ();
        BigInteger generatorG = dsaParams.getG();
        BigInteger secretExponentX = dsaPrivateKey.getX();

        // Derive public key from private key parts, ie Y = G^X mod P
        BigInteger publicExponentY = generatorG.modPow(secretExponentX, primeModulusP);

        vec.add(new ASN1Integer(VERSION));
        vec.add(new ASN1Integer(primeModulusP));
        vec.add(new ASN1Integer(primeQ));
        vec.add(new ASN1Integer(generatorG));
        vec.add(new ASN1Integer(publicExponentY));
        vec.add(new ASN1Integer(secretExponentX));
    }
    DERSequence derSequence = new DERSequence(vec);

    try {
        return derSequence.getEncoded();
    } catch (IOException ex) {
        throw new CryptoException(res.getString("NoDerEncodeOpenSslPrivateKey.exception.message"), ex);
    }
}

From source file:net.sf.keystore_explorer.crypto.publickey.KeyIdentifierGenerator.java

License:Open Source License

private byte[] encodeRsaPublicKeyAsBitString(RSAPublicKey rsaPublicKey) throws IOException {
    ASN1EncodableVector vec = new ASN1EncodableVector();
    vec.add(new ASN1Integer(rsaPublicKey.getModulus()));
    vec.add(new ASN1Integer(rsaPublicKey.getPublicExponent()));

    DERSequence derSequence = new DERSequence(vec);
    return derSequence.getEncoded();
}