Example usage for org.bouncycastle.mail.smime SMIMEException getUnderlyingException

Introduction

In this page you can find the example usage for org.bouncycastle.mail.smime SMIMEException getUnderlyingException.

Prototype

public Exception getUnderlyingException() 

Source Link

Usage

From source file:hk.hku.cecid.piazza.commons.security.SMimeMessage.java

License:Open Source License

/**
 * Signs the encapsulated MIME body part.  
 * // w w w .  ja  v a2  s  . com
 * @return an S/MIME message encapsulating the signed MIME body part. 
 * @throws SMimeException if unable to sign the body part.
 */
public SMimeMessage sign() throws SMimeException {
    try {
        if (privateKey == null) {
            throw new SMimeException("Private key not found");
        }

        try {
            setDefaults();

            /* Create the SMIMESignedGenerator */
            SMIMECapabilityVector capabilities = new SMIMECapabilityVector();
            capabilities.addCapability(SMIMECapability.dES_EDE3_CBC);
            capabilities.addCapability(SMIMECapability.rC2_CBC, 128);
            capabilities.addCapability(SMIMECapability.dES_CBC);

            ASN1EncodableVector attributes = new ASN1EncodableVector();
            attributes.add(new SMIMEEncryptionKeyPreferenceAttribute(new IssuerAndSerialNumber(
                    new X509Name(cert.getIssuerDN().getName()), cert.getSerialNumber())));
            attributes.add(new SMIMECapabilitiesAttribute(capabilities));

            SMIMESignedGenerator signer = new SMIMESignedGenerator();
            signer.setContentTransferEncoding(getContentTransferEncoding());
            signer.addSigner(privateKey, cert, getDigestAlgorithm(), new AttributeTable(attributes), null);

            /* Add the list of certs to the generator */
            ArrayList certList = new ArrayList();
            certList.add(cert);
            CertStore certs = CertStore.getInstance("Collection", new CollectionCertStoreParameters(certList),
                    SECURITY_PROVIDER);
            signer.addCertificatesAndCRLs(certs);

            /* Sign the body part */
            MimeMultipart mm = signer.generate(bodyPart, SECURITY_PROVIDER);

            InternetHeaders headers = new InternetHeaders();
            boolean isContentTypeFolded = new Boolean(System.getProperty("mail.mime.foldtext", "true"))
                    .booleanValue();
            headers.setHeader("Content-Type",
                    isContentTypeFolded ? mm.getContentType() : mm.getContentType().replaceAll("\\s", " "));
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            mm.writeTo(baos);
            MimeBodyPart signedPart = new MimeBodyPart(headers, baos.toByteArray());

            return new SMimeMessage(signedPart, this);
        } catch (org.bouncycastle.mail.smime.SMIMEException ex) {
            throw new SMimeException(ex.getMessage(), ex.getUnderlyingException());
        }
    } catch (Exception e) {
        throw new SMimeException("Unable to sign body part", e);
    }
}

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From source file:hk.hku.cecid.piazza.commons.security.SMimeMessage.java

License:Open Source License

/**
 * Encrypts the encapsulated MIME body part.
 * /*from   w w  w.  j  a va2  s  .c  o  m*/
 * @param cert the certificate for encryption.
 * @return an S/MIME message encapsulating the encrypted MIME body part. 
 * @throws SMimeException if unable to encrpyt the body part.
 */
public SMimeMessage encrypt(X509Certificate cert) throws SMimeException {
    try {
        try {
            if (cert == null) {
                throw new SMimeException("No certificate for encryption");
            }

            setDefaults();

            /* Create the encrypter */
            SMIMEEnvelopedGenerator encrypter = new SMIMEEnvelopedGenerator();
            encrypter.setContentTransferEncoding(getContentTransferEncoding());
            encrypter.addKeyTransRecipient(cert);

            /* Encrypt the body part */
            MimeBodyPart encryptedPart = encrypter.generate(bodyPart, getEncryptAlgorithm(), SECURITY_PROVIDER);
            return new SMimeMessage(encryptedPart, this);
        } catch (org.bouncycastle.mail.smime.SMIMEException ex) {
            throw new SMimeException(ex.getMessage(), ex.getUnderlyingException());
        }
    } catch (Exception e) {
        throw new SMimeException("Unable to encrypt body part", e);
    }
}

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From source file:hk.hku.cecid.piazza.commons.security.SMimeMessage.java

License:Open Source License

/**
 * Compresses the encapsulated MIME body part.
 * // www .  j  a  v a2 s.c o  m
 * @return an S/MIME message encapsulating the compressed MIME body part. 
 * @throws SMimeException if unable to compress the body part.
 */
public SMimeMessage compress() throws SMimeException {
    try {
        try {
            setDefaults();

            /* Create the generator for creating an smime/compressed body part */
            SMIMECompressedGenerator compressor = new SMIMECompressedGenerator();
            compressor.setContentTransferEncoding(getContentTransferEncoding());

            /* compress the body part */
            MimeBodyPart compressedPart = compressor.generate(bodyPart, SMIMECompressedGenerator.ZLIB);
            return new SMimeMessage(compressedPart, this);
        } catch (org.bouncycastle.mail.smime.SMIMEException ex) {
            throw new SMimeException(ex.getMessage(), ex.getUnderlyingException());
        }
    } catch (Exception e) {
        throw new SMimeException("Unable to compress body part", e);
    }
}

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