Examples with EnvelopedData com.github.zhenwei.pkix.util.asn1.cms.EnvelopedData used on opensource projects

Example 1 with EnvelopedData

use of com.github.zhenwei.pkix.util.asn1.cms.EnvelopedData in project PdfBox-Android by TomRoush.

the class PublicKeySecurityHandler method createDERForRecipient.

private ASN1Primitive createDERForRecipient(byte[] in, X509Certificate cert) throws IOException, GeneralSecurityException {
    String algorithm = PKCSObjectIdentifiers.RC2_CBC.getId();
    AlgorithmParameterGenerator apg;
    KeyGenerator keygen;
    Cipher cipher;
    try {
        apg = AlgorithmParameterGenerator.getInstance(algorithm, SecurityProvider.getProvider());
        keygen = KeyGenerator.getInstance(algorithm, SecurityProvider.getProvider());
        cipher = Cipher.getInstance(algorithm, SecurityProvider.getProvider());
    } catch (NoSuchAlgorithmException e) {
        // happens when using the command line app .jar file
        throw new IOException("Could not find a suitable javax.crypto provider for algorithm " + algorithm + "; possible reason: using an unsigned .jar file", e);
    } catch (NoSuchPaddingException e) {
        // should never happen, if this happens throw IOException instead
        throw new RuntimeException("Could not find a suitable javax.crypto provider", e);
    }
    AlgorithmParameters parameters = apg.generateParameters();
    ASN1InputStream input = new ASN1InputStream(parameters.getEncoded("ASN.1"));
    ASN1Primitive object = input.readObject();
    input.close();
    keygen.init(128);
    SecretKey secretkey = keygen.generateKey();
    cipher.init(1, secretkey, parameters);
    byte[] bytes = cipher.doFinal(in);
    KeyTransRecipientInfo recipientInfo = computeRecipientInfo(cert, secretkey.getEncoded());
    DERSet set = new DERSet(new RecipientInfo(recipientInfo));
    AlgorithmIdentifier algorithmId = new AlgorithmIdentifier(new ASN1ObjectIdentifier(algorithm), object);
    EncryptedContentInfo encryptedInfo = new EncryptedContentInfo(PKCSObjectIdentifiers.data, algorithmId, new DEROctetString(bytes));
    EnvelopedData enveloped = new EnvelopedData(null, set, encryptedInfo, (ASN1Set) null);
    ContentInfo contentInfo = new ContentInfo(PKCSObjectIdentifiers.envelopedData, enveloped);
    return contentInfo.toASN1Primitive();
}

Example 2 with EnvelopedData

use of com.github.zhenwei.pkix.util.asn1.cms.EnvelopedData in project xipki by xipki.

the class CmsEnveloperTest method passwordTest.

private void passwordTest(String algorithm, PasswordRecipient.PRF prf, char[] password) throws Exception {
    byte[] data = Hex.decode("1234567890abcdef");
    byte[] salt = new byte[20];
    int iterationCOunt = 10000;
    CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();
    edGen.addRecipientInfoGenerator(new BcPasswordRecipientInfoGenerator(new ASN1ObjectIdentifier(algorithm), password).setPRF(prf).setSaltAndIterationCount(salt, iterationCOunt));
    CMSEnvelopedData ed0 = edGen.generate(new CMSProcessableByteArray(data), new JceCMSContentEncryptorBuilder(CMSAlgorithm.AES128_CBC).build());
    EnvelopedData ed1 = (EnvelopedData) ed0.toASN1Structure().getContent();
    ContentInfo ci = new ContentInfo(CMSObjectIdentifiers.envelopedData, ed1);
    CMSEnvelopedData ed = new CMSEnvelopedData(ci);
    RecipientInformationStore recipients = ed.getRecipientInfos();
    Iterator<RecipientInformation> it = recipients.getRecipients().iterator();
    PasswordRecipientInformation recipient = (PasswordRecipientInformation) it.next();
    byte[] recData = recipient.getContent(new BcPasswordEnvelopedRecipient(password));
    Assert.assertArrayEquals(recData, data);
}

Example 3 with EnvelopedData

use of com.github.zhenwei.pkix.util.asn1.cms.EnvelopedData in project pdfbox by apache.

the class PublicKeySecurityHandler method createDERForRecipient.

private ASN1Primitive createDERForRecipient(byte[] in, X509Certificate cert) throws IOException, GeneralSecurityException {
    String algorithm = PKCSObjectIdentifiers.RC2_CBC.getId();
    AlgorithmParameterGenerator apg;
    KeyGenerator keygen;
    Cipher cipher;
    try {
        Provider provider = SecurityProvider.getProvider();
        apg = AlgorithmParameterGenerator.getInstance(algorithm, provider);
        keygen = KeyGenerator.getInstance(algorithm, provider);
        cipher = Cipher.getInstance(algorithm, provider);
    } catch (NoSuchAlgorithmException e) {
        // happens when using the command line app .jar file
        throw new IOException("Could not find a suitable javax.crypto provider for algorithm " + algorithm + "; possible reason: using an unsigned .jar file", e);
    } catch (NoSuchPaddingException e) {
        // should never happen, if this happens throw IOException instead
        throw new RuntimeException("Could not find a suitable javax.crypto provider", e);
    }
    AlgorithmParameters parameters = apg.generateParameters();
    ASN1Primitive object;
    try (ASN1InputStream input = new ASN1InputStream(parameters.getEncoded("ASN.1"))) {
        object = input.readObject();
    }
    keygen.init(128);
    SecretKey secretkey = keygen.generateKey();
    cipher.init(1, secretkey, parameters);
    byte[] bytes = cipher.doFinal(in);
    KeyTransRecipientInfo recipientInfo = computeRecipientInfo(cert, secretkey.getEncoded());
    DERSet set = new DERSet(new RecipientInfo(recipientInfo));
    AlgorithmIdentifier algorithmId = new AlgorithmIdentifier(new ASN1ObjectIdentifier(algorithm), object);
    EncryptedContentInfo encryptedInfo = new EncryptedContentInfo(PKCSObjectIdentifiers.data, algorithmId, new DEROctetString(bytes));
    EnvelopedData enveloped = new EnvelopedData(null, set, encryptedInfo, (ASN1Set) null);
    ContentInfo contentInfo = new ContentInfo(PKCSObjectIdentifiers.envelopedData, enveloped);
    return contentInfo.toASN1Primitive();
}

Example 4 with EnvelopedData

use of com.github.zhenwei.pkix.util.asn1.cms.EnvelopedData in project OpenPDF by LibrePDF.

the class PdfPublicKeySecurityHandler method createDERForRecipient.

private ASN1Primitive createDERForRecipient(byte[] in, X509Certificate cert) throws IOException, GeneralSecurityException {
    String s = "1.2.840.113549.3.2";
    AlgorithmParameterGenerator algorithmparametergenerator = AlgorithmParameterGenerator.getInstance(s);
    AlgorithmParameters algorithmparameters = algorithmparametergenerator.generateParameters();
    ByteArrayInputStream bytearrayinputstream = new ByteArrayInputStream(algorithmparameters.getEncoded("ASN.1"));
    ASN1InputStream asn1inputstream = new ASN1InputStream(bytearrayinputstream);
    ASN1Primitive derobject = asn1inputstream.readObject();
    KeyGenerator keygenerator = KeyGenerator.getInstance(s);
    keygenerator.init(128);
    SecretKey secretkey = keygenerator.generateKey();
    Cipher cipher = Cipher.getInstance(s);
    cipher.init(1, secretkey, algorithmparameters);
    byte[] abyte1 = cipher.doFinal(in);
    DEROctetString deroctetstring = new DEROctetString(abyte1);
    KeyTransRecipientInfo keytransrecipientinfo = computeRecipientInfo(cert, secretkey.getEncoded());
    DERSet derset = new DERSet(new RecipientInfo(keytransrecipientinfo));
    AlgorithmIdentifier algorithmidentifier = new AlgorithmIdentifier(new ASN1ObjectIdentifier(s), derobject);
    EncryptedContentInfo encryptedcontentinfo = new EncryptedContentInfo(PKCSObjectIdentifiers.data, algorithmidentifier, deroctetstring);
    ASN1Set set = null;
    EnvelopedData env = new EnvelopedData(null, derset, encryptedcontentinfo, set);
    ContentInfo contentinfo = new ContentInfo(PKCSObjectIdentifiers.envelopedData, env);
    // return contentinfo.getDERObject();
    return contentinfo.toASN1Primitive();
// ******************************************************************************
}

Example 5 with EnvelopedData

use of com.github.zhenwei.pkix.util.asn1.cms.EnvelopedData in project LinLong-Java by zhenwei1108.

the class PKIArchiveControl method getEnvelopedData.

/**
 * Return the enveloped data structure contained in this control.
 *
 * @return a CMSEnvelopedData object.
 */
public CMSEnvelopedData getEnvelopedData() throws CRMFException {
    try {
        EncryptedKey encKey = EncryptedKey.getInstance(pkiArchiveOptions.getValue());
        EnvelopedData data = EnvelopedData.getInstance(encKey.getValue());
        return new CMSEnvelopedData(new ContentInfo(CMSObjectIdentifiers.envelopedData, data));
    } catch (CMSException e) {
        throw new CRMFException("CMS parsing error: " + e.getMessage(), e.getCause());
    } catch (Exception e) {
        throw new CRMFException("CRMF parsing error: " + e.getMessage(), e);
    }
}