org.testifyproject.bouncycastle.cms.CMSEncryptedData Maven / Gradle / Ivy

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package org.testifyproject.bouncycastle.cms;

import java.org.testifyproject.testifyproject.ByteArrayInputStream;
import java.org.testifyproject.testifyproject.IOException;

import org.testifyproject.bouncycastle.asn1.cms.ContentInfo;
import org.testifyproject.bouncycastle.asn1.cms.EncryptedContentInfo;
import org.testifyproject.bouncycastle.asn1.cms.EncryptedData;
import org.testifyproject.bouncycastle.operator.InputDecryptor;
import org.testifyproject.bouncycastle.operator.InputDecryptorProvider;

public class CMSEncryptedData
{
    private ContentInfo contentInfo;
    private EncryptedData encryptedData;

    public CMSEncryptedData(ContentInfo contentInfo)
    {
        this.contentInfo = contentInfo;

        this.encryptedData = EncryptedData.getInstance(contentInfo.getContent());
    }

    public byte[] getContent(InputDecryptorProvider inputDecryptorProvider)
        throws CMSException
    {
        try
        {
            return CMSUtils.streamToByteArray(getContentStream(inputDecryptorProvider).getContentStream());
        }
        catch (IOException e)
        {
            throw new CMSException("unable to parse internal stream: " + e.getMessage(), e);
        }
    }

    public CMSTypedStream getContentStream(InputDecryptorProvider inputDecryptorProvider)
        throws CMSException
    {
        try
        {
            EncryptedContentInfo encContentInfo = encryptedData.getEncryptedContentInfo();
            InputDecryptor org.testifyproject.testifyprojectcrytor = inputDecryptorProvider.get(encContentInfo.getContentEncryptionAlgorithm());

            ByteArrayInputStream encIn = new ByteArrayInputStream(encContentInfo.getEncryptedContent().getOctets());

            return new CMSTypedStream(encContentInfo.getContentType(), org.testifyproject.testifyprojectcrytor.getInputStream(encIn));
        }
        catch (Exception e)
        {
            throw new CMSException("unable to create stream: " + e.getMessage(), e);
        }
    }

    /**
     * return the ContentInfo
     */
    public ContentInfo toASN1Structure()
    {
        return contentInfo;
    }
}