Example usage for org.bouncycastle.asn1 DEROctetString DEROctetString

Introduction

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

Prototype

public DEROctetString(ASN1Encodable obj) throws IOException

Source Link

Document

Constructor from the encoding of an ASN.1 object.

Usage

From source file:tests.asn1.TimeSignatureTest.java

License:Apache License

/**
 * Produces input stream containing ASN.1 representation of time signature.
 *///  w w  w. j a va2 s.  c o m
private InputStream getDerStream(byte[] location, byte[] history, byte[] publishedData,
        DERTaggedObject pkSignature, DERTaggedObject pubReferences) throws IOException {
    ASN1EncodableVector v = new ASN1EncodableVector();

    if (location != null) {
        v.add(new DEROctetString(location));
    }

    if (history != null) {
        v.add(new DEROctetString(history));
    }

    if (publishedData != null) {
        v.add(new ASN1InputStream(publishedData).readObject());
    }

    if (pkSignature != null) {
        v.add(pkSignature);
    }

    if (pubReferences != null) {
        v.add(pubReferences);
    }

    byte[] der = new DERSequence(v).getEncoded(ASN1Encoding.DER);

    return new ByteArrayInputStream(der);
}

From source file:tests.asn1.TimeSignatureTest.java

License:Apache License

/**
 * Produces ASN.1 tagged object./* w  ww.jav a 2s .co  m*/
 */
private DERTaggedObject getDerTagged(boolean isExplicit, int tagNumber, byte[][] pubReferences)
        throws IOException {
    DEROctetString[] derRefs = new DEROctetString[pubReferences.length];
    for (int i = 0; i < pubReferences.length; i++) {
        derRefs[i] = new DEROctetString(pubReferences[i]);
    }
    return new DERTaggedObject(isExplicit, tagNumber, new DERSet(derRefs));
}

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

/**
 * Creates MessageDigest instance//ww w  . j ava  2 s. co  m
 * @param content the input for digest
 * @param isSHA256 the algorithm requested is SHA256 or not
 * @throws SmartCardException 
 */
public MessageDigest(byte[] content, boolean isSHA256) throws SmartCardException {
    byte[] contentDigestBytes;
    if (isSHA256) {
        contentDigestBytes = Util.digestSHA256(content);
    } else {
        contentDigestBytes = Util.digestSHA1(content);
    }
    contentDigest = new DEROctetString(contentDigestBytes);
}

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

/**
 * It is the signed content, consisting of a content
  type identifier and the content itself
 * @param content the bytes of content to be signed.
 * @return DERSequence instance/*from  w w w.  j a  va 2  s  . c  o m*/
 */
private ASN1Encodable getContentInfo(byte[] content) {
    final ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(ObjectID.pkcs7_data);
    DEROctetString ds = new DEROctetString(content);
    DERTaggedObject to = new DERTaggedObject(true, 0, ds);
    v.add(to);
    DERSequence ddd = new DERSequence(v);
    return ddd;
}

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

/**
 * the result of digital signature generation, using the
  message digest and the signer's private key
 * @return DEROctetString instance//from  ww  w .  jav a  2 s  .  c o m
 */
private ASN1Encodable getSignedDigest() {
    return new DEROctetString(encryptedDigest);
}

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

/**
 * Gets encoded bytes of authenticated attributes
 * @return byte array//from w  w w. ja va 2s .com
 * @throws SmartCardException 
 */
public byte[] getEncodedAuthenticatedAttributes() throws SmartCardException {
    try {
        final ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        final DEROutputStream dOut = new DEROutputStream(bOut);
        dOut.writeObject(getSignedAttributesSet());
        final byte[] bytesToSign = bOut.toByteArray();

        final byte[] bytesToSignHash = getHash(bytesToSign);
        ASN1EncodableVector v = new ASN1EncodableVector();
        if (isSHA256) {
            v.add(ObjectID.idSHA256);
        } else {
            v.add(ObjectID.idSHA1);
        }
        v.add(DERNull.INSTANCE);
        final DERSequence algorithmIdentifier = new DERSequence(v);
        v = new ASN1EncodableVector();
        v.add(algorithmIdentifier);
        v.add(new DEROctetString(bytesToSignHash));
        final DERSequence digestInfo = new DERSequence(v);
        final byte[] bytes = digestInfo.getEncoded();
        return bytes;
    } catch (IOException ex) {
        throw new SmartCardException(ExceptionSupport.getValue("IOException"), ex);
    }
}

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

/**
 * the certHash is computed over the entire DER encoded certificate including the signature
 * @param cert signing certificate//from www .j  a va 2s.c o  m
 * @return DEROctetString instance
 * @throws SmartCardException 
 */
private ASN1Encodable getCertificateHash(Certificate cert) throws SmartCardException {
    try {
        byte[] certHash;
        if (isSHA256) {
            certHash = Util.digestSHA256(cert.getEncoded());
        } else {
            certHash = Util.digestSHA1(cert.getEncoded());
        }
        DEROctetString hash = new DEROctetString(certHash);
        return hash;
    } catch (CertificateEncodingException ex) {
        throw new SmartCardException(ExceptionSupport.getValue("CertificateEncodingException"), ex);
    }
}

From source file:uk.ac.ox.webauth.asn1.EncryptedData.java

License:Open Source License

private EncryptedData(int etype, SecretKey key, int usage, ASN1Encodable o)
        throws IOException, GeneralSecurityException {
    this.etype = new DERInteger(etype);
    decrypted = o;/*w  w  w  .j a  va2  s  .c o m*/
    EType crypto = cryptoInstance(etype, key, usage);
    cipher = new DEROctetString(crypto.encrypt(o));
}