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

Example 1 with EncryptedData

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

the class CMSEncryptedDataGenerator method doGenerate.

private CMSEncryptedData doGenerate(CMSTypedData content, OutputEncryptor contentEncryptor) throws CMSException {
    AlgorithmIdentifier encAlgId;
    ASN1OctetString encContent;
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    try {
        OutputStream cOut = contentEncryptor.getOutputStream(bOut);
        content.write(cOut);
        cOut.close();
    } catch (IOException e) {
        throw new CMSException("");
    }
    byte[] encryptedContent = bOut.toByteArray();
    encAlgId = contentEncryptor.getAlgorithmIdentifier();
    encContent = new BEROctetString(encryptedContent);
    EncryptedContentInfo eci = new EncryptedContentInfo(content.getContentType(), encAlgId, encContent);
    ASN1Set unprotectedAttrSet = null;
    if (unprotectedAttributeGenerator != null) {
        AttributeTable attrTable = unprotectedAttributeGenerator.getAttributes(Collections.EMPTY_MAP);
        unprotectedAttrSet = new BERSet(attrTable.toASN1EncodableVector());
    }
    ContentInfo contentInfo = new ContentInfo(CMSObjectIdentifiers.encryptedData, new EncryptedData(eci, unprotectedAttrSet));
    return new CMSEncryptedData(contentInfo);
}