Examples with ASN1Encodable com.github.zhenwei.core.asn1.ASN1Encodable used on opensource projects

Example 11 with ASN1Encodable

use of com.github.zhenwei.core.asn1.ASN1Encodable in project ca3sCore by kuehne-trustable-de.

the class CertificateUtil method getSANList.

public Set<GeneralName> getSANList(Pkcs10RequestHolder p10ReqHolder) {
    Set<GeneralName> generalNameSet = new HashSet<>();
    for (Attribute attr : p10ReqHolder.getReqAttributes()) {
        if (PKCSObjectIdentifiers.pkcs_9_at_extensionRequest.equals(attr.getAttrType())) {
            ASN1Set valueSet = attr.getAttrValues();
            LOG.debug("ExtensionRequest / AttrValues has {} elements", valueSet.size());
            for (ASN1Encodable asn1Enc : valueSet) {
                DERSequence derSeq = (DERSequence) asn1Enc;
                LOG.debug("ExtensionRequest / DERSequence has {} elements", derSeq.size());
                LOG.debug("ExtensionRequest / DERSequence[0] is a  {}", derSeq.getObjectAt(0).getClass().getName());
                DERSequence derSeq2 = (DERSequence) derSeq.getObjectAt(0);
                LOG.debug("ExtensionRequest / DERSequence2 has {} elements", derSeq2.size());
                LOG.debug("ExtensionRequest / DERSequence2[0] is a  {}", derSeq2.getObjectAt(0).getClass().getName());
                ASN1ObjectIdentifier objId = (ASN1ObjectIdentifier) (derSeq2.getObjectAt(0));
                if (Extension.subjectAlternativeName.equals(objId)) {
                    DEROctetString derStr = (DEROctetString) derSeq2.getObjectAt(1);
                    GeneralNames names = GeneralNames.getInstance(derStr.getOctets());
                    LOG.debug("Attribute value SAN" + names);
                    LOG.debug("SAN values #" + names.getNames().length);
                    for (GeneralName gnSAN : names.getNames()) {
                        LOG.debug("GN " + gnSAN.toString());
                        generalNameSet.add(gnSAN);
                    }
                } else {
                    LOG.info("Unexpected Extensions Attribute value " + objId.getId());
                }
            }
        }
    }
    return generalNameSet;
}

Example 12 with ASN1Encodable

use of com.github.zhenwei.core.asn1.ASN1Encodable in project identity-credential by google.

the class Util method signatureDerToCose.

/*
     * From RFC 8152 section 8.1 ECDSA:
     *
     * The signature algorithm results in a pair of integers (R, S).  These
     * integers will be the same length as the length of the key used for
     * the signature process.  The signature is encoded by converting the
     * integers into byte strings of the same length as the key size.  The
     * length is rounded up to the nearest byte and is left padded with zero
     * bits to get to the correct length.  The two integers are then
     * concatenated together to form a byte string that is the resulting
     * signature.
     */
private static byte[] signatureDerToCose(byte[] signature, int keySize) {
    ASN1Primitive asn1;
    try {
        asn1 = new ASN1InputStream(new ByteArrayInputStream(signature)).readObject();
    } catch (IOException e) {
        throw new IllegalArgumentException("Error decoding DER signature", e);
    }
    if (!(asn1 instanceof ASN1Sequence)) {
        throw new IllegalArgumentException("Not a ASN1 sequence");
    }
    ASN1Encodable[] asn1Encodables = ((ASN1Sequence) asn1).toArray();
    if (asn1Encodables.length != 2) {
        throw new IllegalArgumentException("Expected two items in sequence");
    }
    if (!(asn1Encodables[0].toASN1Primitive() instanceof ASN1Integer)) {
        throw new IllegalArgumentException("First item is not an integer");
    }
    BigInteger r = ((ASN1Integer) asn1Encodables[0].toASN1Primitive()).getValue();
    if (!(asn1Encodables[1].toASN1Primitive() instanceof ASN1Integer)) {
        throw new IllegalArgumentException("Second item is not an integer");
    }
    BigInteger s = ((ASN1Integer) asn1Encodables[1].toASN1Primitive()).getValue();
    byte[] rBytes = stripLeadingZeroes(r.toByteArray());
    byte[] sBytes = stripLeadingZeroes(s.toByteArray());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        for (int n = 0; n < keySize - rBytes.length; n++) {
            baos.write(0x00);
        }
        baos.write(rBytes);
        for (int n = 0; n < keySize - sBytes.length; n++) {
            baos.write(0x00);
        }
        baos.write(sBytes);
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
    return baos.toByteArray();
}

Example 13 with ASN1Encodable

use of com.github.zhenwei.core.asn1.ASN1Encodable in project TLS-Scanner by tls-attacker.

the class OcspProbe method prepareNonceExtension.

private byte[] prepareNonceExtension() {
    Asn1Sequence innerExtensionSequence = new Asn1Sequence();
    Asn1ObjectIdentifier oid = new Asn1ObjectIdentifier();
    oid.setValue(NONCE.getOID());
    Asn1Sequence extensionSequence = new Asn1Sequence();
    innerExtensionSequence.addChild(oid);
    Asn1EncapsulatingOctetString encapsulatingOctetString = new Asn1EncapsulatingOctetString();
    // Nonce
    Asn1PrimitiveOctetString nonceOctetString = new Asn1PrimitiveOctetString();
    Random rand = new Random(STAPLED_NONCE_RANDOM_SEED);
    BigInteger nonce = new BigInteger(STAPLED_NONCE_RANDOM_BIT_LENGTH, rand);
    nonceOctetString.setValue(nonce.toByteArray());
    encapsulatingOctetString.addChild(nonceOctetString);
    innerExtensionSequence.addChild(encapsulatingOctetString);
    extensionSequence.addChild(innerExtensionSequence);
    List<Asn1Encodable> asn1Encodables = new LinkedList<>();
    asn1Encodables.add(extensionSequence);
    Asn1Encoder asn1Encoder = new Asn1Encoder(asn1Encodables);
    return asn1Encoder.encode();
}

Example 14 with ASN1Encodable

use of com.github.zhenwei.core.asn1.ASN1Encodable in project wildfly-elytron by wildfly-security.

the class X500DirectoryAttribute method encodeTo.

public void encodeTo(final ASN1Encoder encoder) {
    encoder.startSequence();
    encoder.encodeObjectIdentifier(attributeType);
    encoder.startSet();
    for (ASN1Encodable value : values) {
        value.encodeTo(encoder);
    }
    encoder.endSet();
    encoder.endSequence();
}

Example 15 with ASN1Encodable

use of com.github.zhenwei.core.asn1.ASN1Encodable in project mercury by yellow013.

the class OcspUtils method findObject.

private static <T> T findObject(DLSequence sequence, ASN1ObjectIdentifier oid, Class<T> type) {
    for (ASN1Encodable element : sequence) {
        if (!(element instanceof DLSequence)) {
            continue;
        }
        DLSequence subSequence = (DLSequence) element;
        if (subSequence.size() != 2) {
            continue;
        }
        ASN1Encodable key = subSequence.getObjectAt(0);
        ASN1Encodable value = subSequence.getObjectAt(1);
        if (key.equals(oid) && type.isInstance(value)) {
            return type.cast(value);
        }
    }
    return null;
}