public class CMSCompressedDataContentInfo extends CMSContentInfo
digested-data
.Constructor and Description |
---|
CMSCompressedDataContentInfo()
Creates an empty
CMSCompressed DataContentInfo . |
CMSCompressedDataContentInfo(CMSContentInfo contentInfo, oracle.security.crypto.core.AlgorithmIdentifier compressionAlgID)
Creates a
CMSCompressed DataContentInfo object by compressing the given CMS object. |
CMSCompressedDataContentInfo(java.io.InputStream is)
Creates a
CMSCompressed DataContentInfo object, by reading a BER encoding from the specified input stream. |
Modifier and Type | Method and Description |
---|---|
boolean |
equals(java.lang.Object obj)
Indicates whether some other object is "equal to" this one.
|
oracle.security.crypto.core.AlgorithmIdentifier |
getCompressionAlgID()
Returns the compression algorithm.
|
CMSContentInfo |
getEnclosed()
Returns the digested content.
|
oracle.security.crypto.asn1.ASN1ObjectID |
getEnclosedContentType()
Returns the content type of the digested content.
|
protected byte[] |
getExposedContent()
Returns the contents octets of the DER encoding of the content field of this CMS object.
|
oracle.security.crypto.asn1.ASN1Integer |
getVersion()
Deprecated.
As of Phaos CMS 2.0.1, replaced by
getVersionNumber() |
java.math.BigInteger |
getVersionNumber()
Returns the version number.
|
int |
hashCode()
Returns a hash code value for this object.
|
protected void |
inputContent(java.io.InputStream is)
Initializes this object by reading the Content field of the CMS ContentInfo structure i.e.
|
boolean |
isDetached()
Indicates if this CMS object is detached.
|
void |
setEnclosed(CMSContentInfo content)
Set the encapsulated content i.e.
|
protected void |
setExposedContent(byte[] expContent)
Returns the contents octets of the DER encoding of the content field of this CMS object.
|
java.lang.String |
toString()
Returns a brief text description of this object.
|
protected void |
update()
Clears the internal output cache.
|
void |
writeDetached(boolean writeDetached)
Indicate if the CMS Object that is being digested should be omitted when creating the
CMSCompressed DataContentInfo object. |
computeDigest, contentTypeName, getContentType, input, inputInstance, isDegenerate, length, output
public CMSCompressedDataContentInfo()
CMSCompressed DataContentInfo
.public CMSCompressedDataContentInfo(CMSContentInfo contentInfo, oracle.security.crypto.core.AlgorithmIdentifier compressionAlgID) throws oracle.security.crypto.core.AlgorithmIdentifierException
CMSCompressed DataContentInfo
object by compressing the given CMS object.
contentInfo
- The CMS Object that is to be compressed.compressionAlgID
- The digest algorithm.oracle.security.crypto.core.AlgorithmIdentifierException
- The compression algorithm is not supported.public CMSCompressedDataContentInfo(java.io.InputStream is) throws java.io.IOException
CMSCompressed DataContentInfo
object, by reading a BER encoding from the specified input stream.is
- The input stream.java.io.IOException
- If the input is not correctly formatted, has the wrong content type; or an I/O exception occurs.protected void setExposedContent(byte[] expContent)
CMSContentInfo
setExposedContent
in class CMSContentInfo
CMSContentInfo.isDetached()
protected byte[] getExposedContent()
CMSContentInfo
getExposedContent
in class CMSContentInfo
null
for a detached CMS object.CMSContentInfo.isDetached()
public void writeDetached(boolean writeDetached)
CMSCompressed DataContentInfo
object.
The default (true
) is to ensure the CMS Object that is being digested is a part of the CMSCompressed DataContentInfo
object.
writeDetached
- true
ensures the CMS Object being digested is not a part of the CMSCompressed DataContentInfo
object; false
ensures that the CMS Object being digested is a part of the CMSCompressed DataContentInfo
object;public void setEnclosed(CMSContentInfo content)
This method must be called before trying to the verify the digest of a detached CMSCompressed DataContentInfo
Object.
content
- The CMS Object.isDetached()
public CMSContentInfo getEnclosed()
public oracle.security.crypto.asn1.ASN1ObjectID getEnclosedContentType()
public oracle.security.crypto.core.AlgorithmIdentifier getCompressionAlgID()
public java.math.BigInteger getVersionNumber()
public oracle.security.crypto.asn1.ASN1Integer getVersion()
getVersionNumber()
public boolean isDetached()
isDetached
in class CMSContentInfo
true
if detached; false
otherwise.CMSContentInfo.isDetached()
public java.lang.String toString()
toString
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public boolean equals(java.lang.Object obj)
equals
in class java.lang.Object
true
if this object is the same as the obj argument; false
otherwise.protected void inputContent(java.io.InputStream is) throws java.io.IOException
CMSContentInfo
This method must be implemented by subclasses. It is unlikely that package users will ever need to call it directly.
inputContent
in class CMSContentInfo
java.io.IOException
protected void update()
update
in class CMSContentInfo