Examples with DEROctetString org.spongycastle.asn1.DEROctetString used on opensource projects

Example 86 with DEROctetString

use of org.spongycastle.asn1.DEROctetString in project android_packages_apps_Settings by SudaMod.

the class CertInstallerHelper method isCa.

private boolean isCa(X509Certificate cert) {
    try {
        byte[] asn1EncodedBytes = cert.getExtensionValue("2.5.29.19");
        if (asn1EncodedBytes == null) {
            return false;
        }
        DEROctetString derOctetString = (DEROctetString) new ASN1InputStream(asn1EncodedBytes).readObject();
        byte[] octets = derOctetString.getOctets();
        ASN1Sequence sequence = (ASN1Sequence) new ASN1InputStream(octets).readObject();
        return BasicConstraints.getInstance(sequence).isCA();
    } catch (IOException e) {
        return false;
    }
}

Example 87 with DEROctetString

use of org.spongycastle.asn1.DEROctetString in project fabric-sdk-java by hyperledger.

the class SDKUtils method calculateBlockHash.

/**
 * used asn1 and get hash
 *
 * @param blockNumber
 * @param previousHash
 * @param dataHash
 * @return byte[]
 * @throws IOException
 * @throws InvalidArgumentException
 */
public static byte[] calculateBlockHash(HFClient client, long blockNumber, byte[] previousHash, byte[] dataHash) throws IOException, InvalidArgumentException {
    if (previousHash == null) {
        throw new InvalidArgumentException("previousHash parameter is null.");
    }
    if (dataHash == null) {
        throw new InvalidArgumentException("dataHash parameter is null.");
    }
    if (null == client) {
        throw new InvalidArgumentException("client parameter is null.");
    }
    CryptoSuite cryptoSuite = client.getCryptoSuite();
    if (null == client) {
        throw new InvalidArgumentException("Client crypto suite has not  been set.");
    }
    ByteArrayOutputStream s = new ByteArrayOutputStream();
    DERSequenceGenerator seq = new DERSequenceGenerator(s);
    seq.addObject(new ASN1Integer(blockNumber));
    seq.addObject(new DEROctetString(previousHash));
    seq.addObject(new DEROctetString(dataHash));
    seq.close();
    return cryptoSuite.hash(s.toByteArray());
}

Example 88 with DEROctetString

use of org.spongycastle.asn1.DEROctetString in project platform_packages_apps_Settings by BlissRoms.

the class CertInstallerHelper method isCa.

private boolean isCa(X509Certificate cert) {
    try {
        byte[] asn1EncodedBytes = cert.getExtensionValue("2.5.29.19");
        if (asn1EncodedBytes == null) {
            return false;
        }
        DEROctetString derOctetString = (DEROctetString) new ASN1InputStream(asn1EncodedBytes).readObject();
        byte[] octets = derOctetString.getOctets();
        ASN1Sequence sequence = (ASN1Sequence) new ASN1InputStream(octets).readObject();
        return BasicConstraints.getInstance(sequence).isCA();
    } catch (IOException e) {
        return false;
    }
}

Example 89 with DEROctetString

use of org.spongycastle.asn1.DEROctetString in project jruby-openssl by jruby.

the class PEMInputOutput method readAuxCertificate.

private static X509AuxCertificate readAuxCertificate(final BufferedReader in, final String endMarker) throws IOException {
    final byte[] bytes = readBase64Bytes(in, endMarker);
    final ASN1InputStream asn1 = new ASN1InputStream(bytes);
    ByteArrayInputStream certBytes = new ByteArrayInputStream((asn1.readObject()).getEncoded());
    try {
        final X509Certificate cert = (X509Certificate) getX509CertificateFactory().generateCertificate(certBytes);
        final ASN1Sequence auxSeq = (ASN1Sequence) asn1.readObject();
        final X509Aux aux;
        if (auxSeq != null) {
            // X509Aux fields :
            final List<String> trust;
            final List<String> reject;
            final String alias;
            final byte[] keyid;
            final List<ASN1Primitive> other;
            int ix = 0;
            ASN1Encodable obj = null;
            if (auxSeq.size() > ix)
                obj = auxSeq.getObjectAt(ix);
            if (obj instanceof ASN1Sequence) {
                trust = new ArrayList<String>();
                final ASN1Sequence trustSeq = (ASN1Sequence) obj;
                for (int i = 0; i < trustSeq.size(); i++) {
                    trust.add(((ASN1ObjectIdentifier) trustSeq.getObjectAt(i)).getId());
                }
                // next obj
                obj = (auxSeq.size() > ++ix) ? auxSeq.getObjectAt(ix) : null;
            } else
                trust = Collections.emptyList();
            if (obj instanceof ASN1TaggedObject && ((ASN1TaggedObject) obj).getTagNo() == 0) {
                reject = new ArrayList<String>();
                final ASN1Sequence rejectSeq = (ASN1Sequence) ((ASN1TaggedObject) obj).getObject();
                for (int i = 0; i < rejectSeq.size(); i++) {
                    reject.add(((ASN1ObjectIdentifier) rejectSeq.getObjectAt(i)).getId());
                }
                // next obj
                obj = (auxSeq.size() > ++ix) ? auxSeq.getObjectAt(ix) : null;
            } else
                reject = Collections.emptyList();
            if (obj instanceof DERUTF8String) {
                alias = ((DERUTF8String) obj).getString();
                // next obj
                obj = (auxSeq.size() > ++ix) ? auxSeq.getObjectAt(ix) : null;
            } else
                alias = null;
            if (obj instanceof DEROctetString) {
                keyid = ((DEROctetString) obj).getOctets();
                // next obj
                obj = (auxSeq.size() > ++ix) ? auxSeq.getObjectAt(ix) : null;
            } else
                keyid = null;
            if (obj instanceof ASN1TaggedObject && ((ASN1TaggedObject) obj).getTagNo() == 1) {
                other = new ArrayList<ASN1Primitive>();
                final ASN1Sequence otherSeq = (ASN1Sequence) ((ASN1TaggedObject) obj).getObject();
                for (int i = 0; i < otherSeq.size(); i++) {
                    other.add((ASN1Primitive) otherSeq.getObjectAt(i));
                }
            // obj = ( auxSeq.size() > ++ix ) ? auxSeq.getObjectAt(ix) : null; // next obj
            } else
                other = Collections.emptyList();
            aux = new X509Aux(alias, keyid, Collections.unmodifiableList(trust), Collections.unmodifiableList(reject), Collections.unmodifiableList(other));
        } else {
            aux = null;
        }
        return new X509AuxCertificate(cert, aux);
    } catch (CertificateException e) {
        throw new IOException("failed to read aux cert: " + e, e);
    }
}

Example 90 with DEROctetString

use of org.spongycastle.asn1.DEROctetString in project jruby-openssl by jruby.

the class PEMInputOutput method writeX509Aux.

public static void writeX509Aux(final Writer _out, final X509AuxCertificate cert) throws IOException {
    BufferedWriter out = makeBuffered(_out);
    final byte[] encoding;
    final int encLen;
    try {
        if (cert.aux == null) {
            encoding = cert.getEncoded();
            encLen = encoding.length;
        } else {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            byte[] enc = cert.getEncoded();
            baos.write(enc, 0, enc.length);
            final X509Aux aux = cert.aux;
            ASN1EncodableVector a1 = new ASN1EncodableVector();
            if (aux.trust.size() > 0) {
                ASN1EncodableVector a2 = new ASN1EncodableVector();
                for (String trust : aux.trust) {
                    a2.add(new ASN1ObjectIdentifier(trust));
                }
                a1.add(new DLSequence(a2));
            }
            if (aux.reject.size() > 0) {
                ASN1EncodableVector a2 = new ASN1EncodableVector();
                for (String reject : aux.reject) {
                    a2.add(new ASN1ObjectIdentifier(reject));
                }
                a1.add(new DERTaggedObject(0, new DLSequence(a2)));
            }
            if (aux.alias != null) {
                a1.add(new DERUTF8String(aux.alias));
            }
            if (aux.keyid != null) {
                a1.add(new DEROctetString(aux.keyid));
            }
            if (aux.other.size() > 0) {
                ASN1EncodableVector a2 = new ASN1EncodableVector();
                for (ASN1Primitive other : aux.other) a2.add(other);
                a1.add(new DERTaggedObject(1, new DLSequence(a2)));
            }
            enc = new DLSequence(a1).getEncoded();
            baos.write(enc, 0, enc.length);
            encoding = baos.buffer();
            encLen = baos.size();
        }
    } catch (CertificateEncodingException e) {
        throw new IOException("problem with encoding object in write_X509_AUX", e);
    }
    out.write(BEF_G + PEM_STRING_X509_TRUSTED + AFT);
    out.newLine();
    writeEncoded(out, encoding, encLen);
    out.write(BEF_E + PEM_STRING_X509_TRUSTED + AFT);
    out.newLine();
    out.flush();
}