Examples with ASN1Sequence org.bouncycastle.asn1.ASN1Sequence used on opensource projects

Example 96 with ASN1Sequence

use of org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class OCSPRequest method addNonceImpl.

// BC doesn't have support for nonces... gotta do things manually
private void addNonceImpl() {
    GeneralName requestorName = null;
    ASN1Sequence requestList = new DERSequence();
    Extensions extensions = null;
    Signature sig = null;
    List<Extension> tmpExtensions = new ArrayList<Extension>();
    if (asn1bcReq != null) {
        TBSRequest currentTbsReq = asn1bcReq.getTbsRequest();
        extensions = currentTbsReq.getRequestExtensions();
        sig = asn1bcReq.getOptionalSignature();
        Enumeration<ASN1ObjectIdentifier> oids = extensions.oids();
        while (oids.hasMoreElements()) {
            tmpExtensions.add(extensions.getExtension(oids.nextElement()));
        }
    }
    tmpExtensions.add(new Extension(OCSPObjectIdentifiers.id_pkix_ocsp_nonce, false, nonce));
    Extension[] exts = new Extension[tmpExtensions.size()];
    Extensions newExtensions = new Extensions(tmpExtensions.toArray(exts));
    TBSRequest newTbsReq = new TBSRequest(requestorName, requestList, newExtensions);
    asn1bcReq = new org.bouncycastle.asn1.ocsp.OCSPRequest(newTbsReq, sig);
}

Example 97 with ASN1Sequence

use of org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class EncContent method fromASN1.

/**
 * EncryptedContentInfo ::= SEQUENCE {
 *   contentType ContentType,
 *   contentEncryptionAlgorithm ContentEncryptionAlgorithmIdentifier,
 *   encryptedContent [0] IMPLICIT EncryptedContent OPTIONAL }
 *
 * EncryptedContent ::= OCTET STRING
 */
public static EncContent fromASN1(final ASN1Encodable content) {
    final ASN1Sequence sequence = (ASN1Sequence) content;
    ASN1ObjectIdentifier contentType = (ASN1ObjectIdentifier) (sequence.getObjectAt(0));
    final EncContent ec = new EncContent();
    ec.setContentType(ASN1Registry.oid2nid(contentType));
    ec.setAlgorithm(AlgorithmIdentifier.getInstance(sequence.getObjectAt(1)));
    if (sequence.size() > 2 && sequence.getObjectAt(2) instanceof ASN1TaggedObject && ((ASN1TaggedObject) (sequence.getObjectAt(2))).getTagNo() == 0) {
        ASN1Encodable ee = ((ASN1TaggedObject) (sequence.getObjectAt(2))).getObject();
        if (ee instanceof ASN1Sequence && ((ASN1Sequence) ee).size() > 0) {
            ByteList combinedOctets = new ByteList();
            Enumeration enm = ((ASN1Sequence) ee).getObjects();
            while (enm.hasMoreElements()) {
                byte[] octets = ((ASN1OctetString) enm.nextElement()).getOctets();
                combinedOctets.append(octets);
            }
            ec.setEncData(new DEROctetString(combinedOctets.bytes()));
        } else {
            ec.setEncData((ASN1OctetString) ee);
        }
    }
    return ec;
}

Example 98 with ASN1Sequence

use of org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class PEMInputOutput method derivePrivateKeyPBES2.

private static PrivateKey derivePrivateKeyPBES2(EncryptedPrivateKeyInfo eIn, AlgorithmIdentifier algId, char[] password) throws GeneralSecurityException, InvalidCipherTextException {
    PBES2Parameters pbeParams = PBES2Parameters.getInstance((ASN1Sequence) algId.getParameters());
    CipherParameters cipherParams = extractPBES2CipherParams(password, pbeParams);
    EncryptionScheme scheme = pbeParams.getEncryptionScheme();
    BufferedBlockCipher cipher;
    if (scheme.getAlgorithm().equals(PKCSObjectIdentifiers.RC2_CBC)) {
        RC2CBCParameter rc2Params = RC2CBCParameter.getInstance(scheme);
        byte[] iv = rc2Params.getIV();
        CipherParameters param = new ParametersWithIV(cipherParams, iv);
        cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(new RC2Engine()));
        cipher.init(false, param);
    } else {
        byte[] iv = ASN1OctetString.getInstance(scheme.getParameters()).getOctets();
        CipherParameters param = new ParametersWithIV(cipherParams, iv);
        cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(new DESedeEngine()));
        cipher.init(false, param);
    }
    byte[] data = eIn.getEncryptedData();
    byte[] out = new byte[cipher.getOutputSize(data.length)];
    int len = cipher.processBytes(data, 0, data.length, out, 0);
    len += cipher.doFinal(out, len);
    byte[] pkcs8 = new byte[len];
    System.arraycopy(out, 0, pkcs8, 0, len);
    // It seems to work for both RSA and DSA.
    KeyFactory fact = SecurityHelper.getKeyFactory("RSA");
    return fact.generatePrivate(new PKCS8EncodedKeySpec(pkcs8));
}

Example 99 with ASN1Sequence

use of org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class PKey method readRSAPrivateKey.

public static KeyPair readRSAPrivateKey(final KeyFactory rsaFactory, final byte[] input) throws IOException, InvalidKeySpecException {
    ASN1Sequence seq = (ASN1Sequence) new ASN1InputStream(input).readObject();
    if (seq.size() == 9) {
        BigInteger mod = ((ASN1Integer) seq.getObjectAt(1)).getValue();
        BigInteger pubexp = ((ASN1Integer) seq.getObjectAt(2)).getValue();
        BigInteger privexp = ((ASN1Integer) seq.getObjectAt(3)).getValue();
        BigInteger primep = ((ASN1Integer) seq.getObjectAt(4)).getValue();
        BigInteger primeq = ((ASN1Integer) seq.getObjectAt(5)).getValue();
        BigInteger primeep = ((ASN1Integer) seq.getObjectAt(6)).getValue();
        BigInteger primeeq = ((ASN1Integer) seq.getObjectAt(7)).getValue();
        BigInteger crtcoeff = ((ASN1Integer) seq.getObjectAt(8)).getValue();
        PrivateKey priv = rsaFactory.generatePrivate(new RSAPrivateCrtKeySpec(mod, pubexp, privexp, primep, primeq, primeep, primeeq, crtcoeff));
        PublicKey pub = rsaFactory.generatePublic(new RSAPublicKeySpec(mod, pubexp));
        return new KeyPair(pub, priv);
    }
    return null;
}

Example 100 with ASN1Sequence

use of org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class PKey method readECPrivateKey.

public static KeyPair readECPrivateKey(final KeyFactory ecFactory, final byte[] input) throws IOException, InvalidKeySpecException {
    try {
        ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence) ASN1Primitive.fromByteArray(input));
        AlgorithmIdentifier algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
        PrivateKeyInfo privInfo = new PrivateKeyInfo(algId, pKey.toASN1Primitive());
        SubjectPublicKeyInfo pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
        PKCS8EncodedKeySpec privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
        X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
        // KeyFactory            fact = KeyFactory.getInstance("ECDSA", provider);
        ECPrivateKey privateKey = (ECPrivateKey) ecFactory.generatePrivate(privSpec);
        if (algId.getParameters() instanceof ASN1ObjectIdentifier) {
            privateKey = ECPrivateKeyWithName.wrap(privateKey, (ASN1ObjectIdentifier) algId.getParameters());
        }
        return new KeyPair(ecFactory.generatePublic(pubSpec), privateKey);
    } catch (ClassCastException ex) {
        throw new IOException("wrong ASN.1 object found in stream", ex);
    }
// catch (Exception ex) {
// throw new IOException("problem parsing EC private key: " + ex);
// }
}