Examples with ASN1Primitive com.github.zhenwei.core.asn1.ASN1Primitive used on opensource projects

Example 46 with ASN1Primitive

use of com.github.zhenwei.core.asn1.ASN1Primitive in project certmgr by hdecarne.

the class DistributionPoint method decode.

/**
 * Decode {@code DistributionPoint} object from an ASN.1 data object.
 *
 * @param primitive The ASN.1 data object to decode.
 * @return The decoded distribution point object.
 * @throws IOException if an I/O error occurs during decoding.
 */
public static DistributionPoint decode(ASN1Primitive primitive) throws IOException {
    ASN1Primitive[] sequence = decodeSequence(primitive, 1, Integer.MAX_VALUE);
    DistributionPointName name = null;
    ReasonFlags reasons = null;
    GeneralNames crlIssuer = null;
    for (ASN1Primitive sequenceEntry : sequence) {
        ASN1TaggedObject taggedObject = decodePrimitive(sequenceEntry, ASN1TaggedObject.class);
        int taggedObjectTag = taggedObject.getTagNo();
        switch(taggedObjectTag) {
            case 0:
                name = DistributionPointName.decode(taggedObject.getObject());
                break;
            case 1:
                reasons = ReasonFlags.decode(taggedObject.getObject());
                break;
            case 2:
                crlIssuer = GeneralNames.decode(taggedObject.getObject());
                break;
            default:
                throw new IOException("Unsupported tag: " + taggedObjectTag);
        }
    }
    return new DistributionPoint(name, crlIssuer, reasons);
}

Example 47 with ASN1Primitive

use of com.github.zhenwei.core.asn1.ASN1Primitive in project certmgr by hdecarne.

the class IPAddressName method decode.

/**
 * Decode {@code IPAddressName} from an ASN.1 data object.
 *
 * @param primitive The ASN.1 data object to decode.
 * @return The decoded IP address name object.
 * @throws IOException if an I/O error occurs during decoding.
 */
public static IPAddressName decode(ASN1Primitive primitive) throws IOException {
    ASN1Primitive object = decodeTagged(primitive, GeneralNameType.IP_ADDRESS_TAG);
    byte[] octets = decodePrimitive(object, ASN1OctetString.class).getOctets();
    InetAddress address;
    InetAddress netmask;
    switch(octets.length) {
        case 4:
            address = InetAddress.getByAddress(octets);
            netmask = null;
            break;
        case 8:
            address = InetAddress.getByAddress(Arrays.copyOfRange(octets, 0, 4));
            netmask = InetAddress.getByAddress(Arrays.copyOfRange(octets, 4, 8));
            break;
        case 16:
            address = InetAddress.getByAddress(octets);
            netmask = null;
            break;
        case 32:
            address = InetAddress.getByAddress(Arrays.copyOfRange(octets, 0, 16));
            netmask = InetAddress.getByAddress(Arrays.copyOfRange(octets, 16, 32));
            break;
        default:
            throw new IOException("Unexpected data length: " + octets.length);
    }
    return new IPAddressName(address, netmask);
}

Example 48 with ASN1Primitive

use of com.github.zhenwei.core.asn1.ASN1Primitive in project certmgr by hdecarne.

the class AuthorityKeyIdentifierExtensionData method decode.

/**
 * Decode {@code AuthorityKeyIdentifierExtensionData} from an ASN.1 data object.
 *
 * @param primitive The ASN.1 data object to decode.
 * @param critical The extension's critical flag.
 * @return The decoded extension data.
 * @throws IOException if an I/O error occurs during decoding.
 */
public static AuthorityKeyIdentifierExtensionData decode(ASN1Primitive primitive, boolean critical) throws IOException {
    ASN1Primitive[] sequence = decodeSequence(primitive, 0, Integer.MAX_VALUE);
    byte[] keyIdentifier = null;
    GeneralNames authorityCertIssuer = null;
    BigInteger authorityCertSerialNumber = null;
    for (ASN1Primitive sequenceEntry : sequence) {
        ASN1TaggedObject taggedObject = decodePrimitive(sequenceEntry, ASN1TaggedObject.class);
        int taggedObjectTag = taggedObject.getTagNo();
        switch(taggedObjectTag) {
            case 0:
                keyIdentifier = decodePrimitive(taggedObject.getObject(), ASN1OctetString.class).getOctets();
                break;
            case 1:
                authorityCertIssuer = GeneralNames.decode(taggedObject.getObject());
                break;
            case 2:
                authorityCertSerialNumber = decodePrimitive(taggedObject.getObject(), ASN1Integer.class).getValue();
                break;
            default:
                throw new IOException("Unsupported tag: " + taggedObjectTag);
        }
    }
    if (keyIdentifier == null && (authorityCertIssuer == null || authorityCertSerialNumber == null)) {
        throw new IOException("Invalid or incomplete extension data");
    }
    return new AuthorityKeyIdentifierExtensionData(critical, keyIdentifier, authorityCertIssuer, authorityCertSerialNumber);
}

Example 49 with ASN1Primitive

use of com.github.zhenwei.core.asn1.ASN1Primitive in project vcert-java by Venafi.

the class PEMCollection method derPrivateKey.

public RawPrivateKey derPrivateKey() {
    if (Objects.isNull(this.privateKey)) {
        return null;
    }
    try {
        RawPrivateKey result = new RawPrivateKey();
        if (KeyType.from(this.privateKey.getAlgorithm()) == KeyType.RSA) {
            PrivateKeyInfo pkInfo = PrivateKeyInfo.getInstance(this.privateKey.getEncoded());
            ASN1Primitive privateKeyPKCS1ASN1 = pkInfo.parsePrivateKey().toASN1Primitive();
            result.data = privateKeyPKCS1ASN1.getEncoded();
        } else {
            result.data = this.privateKey.getEncoded();
        }
        if (privateKeyPassword == null) {
            return result;
        } else {
            result.iv = new byte[SECRET_KEY_LENGTH_BITS / 8];
            new SecureRandom().nextBytes(result.iv);
            SecretKeySpec secretKey = passwordToCipherSecretKey(privateKeyPassword.toCharArray(), result.iv);
            Cipher c = Cipher.getInstance(CIPHER_TRANSFORMATION);
            c.init(Cipher.ENCRYPT_MODE, secretKey, new IvParameterSpec(result.iv));
            result.data = c.doFinal(result.data);
            return result;
        }
    } catch (IOException | GeneralSecurityException e) {
        throw new RuntimeException(e);
    }
}

Example 50 with ASN1Primitive

use of com.github.zhenwei.core.asn1.ASN1Primitive in project tray by qzind.

the class AboutInfo method ssl.

private static JSONObject ssl(CertificateManager certificateManager) throws JSONException, CertificateEncodingException {
    JSONObject ssl = new JSONObject();
    JSONArray certs = new JSONArray();
    for (KeyPairWrapper keyPair : new KeyPairWrapper[] { certificateManager.getCaKeyPair(), certificateManager.getSslKeyPair() }) {
        X509Certificate x509 = keyPair.getCert();
        if (x509 != null) {
            JSONObject cert = new JSONObject();
            cert.put("alias", keyPair.getAlias());
            try {
                ASN1Primitive ext = X509ExtensionUtil.fromExtensionValue(x509.getExtensionValue(Extension.basicConstraints.getId()));
                cert.put("rootca", BasicConstraints.getInstance(ext).isCA());
            } catch (IOException | NullPointerException e) {
                cert.put("rootca", false);
            }
            cert.put("subject", x509.getSubjectX500Principal().getName());
            cert.put("expires", SystemUtilities.toISO(x509.getNotAfter()));
            cert.put("data", formatCert(x509.getEncoded()));
            certs.put(cert);
        }
    }
    ssl.put("certificates", certs);
    return ssl;
}