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The Bouncy Castle Java CMS and S/MIME APIs for handling the CMS and S/MIME protocols. This jar contains CMS and S/MIME APIs for JDK 1.6. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs. If the S/MIME API is used, the JavaMail API and the Java activation framework will also be needed.
package org.bouncycastle.sasn1.cms;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.sasn1.Asn1Object;
import org.bouncycastle.sasn1.Asn1ObjectIdentifier;
import org.bouncycastle.sasn1.Asn1Sequence;
import org.bouncycastle.sasn1.Asn1TaggedObject;
import org.bouncycastle.sasn1.DerSequence;
import java.io.IOException;
/**
*
* EncryptedContentInfo ::= SEQUENCE {
* contentType ContentType,
* contentEncryptionAlgorithm ContentEncryptionAlgorithmIdentifier,
* encryptedContent [0] IMPLICIT EncryptedContent OPTIONAL
* }
*
* @deprecated use corresponding class in org.bouncycastle.asn1.cms
*/
public class EncryptedContentInfoParser
{
private Asn1ObjectIdentifier _contentType;
private AlgorithmIdentifier _contentEncryptionAlgorithm;
private Asn1TaggedObject _encryptedContent;
public EncryptedContentInfoParser(
Asn1Sequence seq)
throws IOException
{
_contentType = (Asn1ObjectIdentifier)seq.readObject();
_contentEncryptionAlgorithm = AlgorithmIdentifier.getInstance(new ASN1InputStream(((DerSequence)seq.readObject()).getEncoded()).readObject());
_encryptedContent = (Asn1TaggedObject)seq.readObject();
}
public Asn1ObjectIdentifier getContentType()
{
return _contentType;
}
public AlgorithmIdentifier getContentEncryptionAlgorithm()
{
return _contentEncryptionAlgorithm;
}
public Asn1Object getEncryptedContent(
int tag)
throws IOException
{
return _encryptedContent.getObject(tag, false);
}
}