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:tr.gov.turkiye.esign.cms.SignedData.java

/**
 * version is the syntax version number.  The appropriate value
   depends on certificates, eContentType, and SignerInfo
 * @return ASN1Integer instance/*  w w  w. j  av  a2 s .c om*/
 */
private ASN1Integer getCMSVersion() {
    ASN1Integer cmsVersion;
    if ((certs != null && certs.size() > 0) && anyCertificatesWithTypeOfOtherPresent()) {
        cmsVersion = new ASN1Integer(5);
    } else {
        if ((certs != null && certs.size() > 0) && anyVersionAttributeCertificatesPresent(2)) {
            cmsVersion = new ASN1Integer(4);
        } else if ((certs != null && certs.size() > 0) && (anyVersionAttributeCertificatesPresent(1))
                || (checkSignerInfoVersion(3))) {
            cmsVersion = new ASN1Integer(3);
        } else {
            cmsVersion = new ASN1Integer(1);
        }
    }
    return cmsVersion;
}

From source file:tr.gov.turkiye.esign.cms.SignerInfo.java

/**
 * Since the SignerIdentifier is the issuerAndSerialNumber, the version MUST be 1.
 * @return ASN1Integer instance/*from   w ww  .  j a v a2 s  . co  m*/
 */
public ASN1Integer getSignerVersion() {
    return new ASN1Integer(1);
}

From source file:tr.gov.turkiye.esign.cms.SignerInfo.java

/**
 * Gets signer's certificate's serial/*from ww w  . j a  v a  2 s. c  om*/
 * @return ASN1Integer isntance
 */
private ASN1Encodable getCertificateSerial() {
    return new ASN1Integer(cert.getSerialNumber());
}

From source file:tr.gov.turkiye.esign.cms.SigningCertificate.java

/**
 * Gets issuer and serial part from signing certificate
 * @param cert signing certificate/*from   w  w w  . j  a  v a 2s. c  om*/
 * @return DERSequence instance
 * @throws SmartCardException 
 */
private ASN1Encodable getIssuerAndSerialForESSCertId(Certificate cert) throws SmartCardException {
    try {
        final ASN1EncodableVector issuerSerialPart = new ASN1EncodableVector();
        issuerSerialPart.add(new DERSequence(new DERTaggedObject(true, 4, getIssuer(cert))));
        issuerSerialPart.add(new ASN1Integer(((X509Certificate) cert).getSerialNumber()));
        final DERSequence issuerSerial = new DERSequence(issuerSerialPart);
        return issuerSerial;
    } catch (CertificateEncodingException ex) {
        throw new SmartCardException(ExceptionSupport.getValue("CertificateEncodingException"), ex);
    } catch (IOException ex) {
        throw new SmartCardException(ExceptionSupport.getValue("IOException"), ex);
    }
}

From source file:us.eharning.atomun.core.ec.internal.BouncyCastleECKeyPair.java

License:Apache License

/**
 * Perform an ECDSA signature using the private key.
 *
 * @param hash//from www .j av a2  s  .c  o m
 *         byte array to sign.
 *
 * @return ASN.1 representation of the signature.
 */
@Nonnull
@Override
public byte[] sign(@Nonnull byte[] hash) {
    /* The HMacDSAKCalculator is what makes this signer RFC 6979 compliant. */
    ECDSASigner signer = new ECDSASigner(new RFC6979KCalculator(new SHA256Digest()));
    signer.init(true, new ECPrivateKeyParameters(privateExponent, domain));
    BigInteger[] signature = signer.generateSignature(hash);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    /* Need to canonicalize signature up front ... */
    if (CANONICALIZE && signature[1].compareTo(HALF_CURVE_ORDER) > 0) {
        /* BOP does not do this */
        signature[1] = curve.getN().subtract(signature[1]);
    }
    try {
        DERSequenceGenerator seq = new DERSequenceGenerator(stream);
        seq.addObject(new ASN1Integer(signature[0]));
        seq.addObject(new ASN1Integer(signature[1]));
        seq.close();
        return stream.toByteArray();
    } catch (IOException e) {
        throw new IllegalStateException("IOException should not be thrown", e);
    }
}