org.bouncycastle.cms
Class CMSEnvelopedData
java.lang.Object
|
+--org.bouncycastle.cms.CMSEnvelopedData
- Direct Known Subclasses:
- SMIMEEnveloped
- public class CMSEnvelopedData
- extends java.lang.Object
containing class for an CMS Enveloped Data object
Method Summary |
byte[] |
getEncoded()
return the ASN.1 encoded representation of this object. |
java.lang.String |
getEncryptionAlgOID()
return the object identifier for the content encryption algorithm. |
java.security.AlgorithmParameters |
getEncryptionAlgorithmParameters(java.lang.String provider)
Return an AlgorithmParameters object giving the encryption parameters
used to encrypt the message content. |
byte[] |
getEncryptionAlgParams()
return the ASN.1 encoded encryption algorithm parameters, or null if
there aren't any. |
RecipientInformationStore |
getRecipientInfos()
return a store of the intended recipients for this message |
org.bouncycastle.asn1.cms.AttributeTable |
getUnprotectedAttributes()
return a table of the unprotected attributes indexed by
the OID of the attribute. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CMSEnvelopedData
public CMSEnvelopedData(byte[] envelopedData)
throws CMSException
CMSEnvelopedData
public CMSEnvelopedData(java.io.InputStream envelopedData)
throws CMSException
CMSEnvelopedData
public CMSEnvelopedData(org.bouncycastle.asn1.cms.ContentInfo contentInfo)
throws CMSException
getEncryptionAlgOID
public java.lang.String getEncryptionAlgOID()
- return the object identifier for the content encryption algorithm.
getEncryptionAlgParams
public byte[] getEncryptionAlgParams()
- return the ASN.1 encoded encryption algorithm parameters, or null if
there aren't any.
getEncryptionAlgorithmParameters
public java.security.AlgorithmParameters getEncryptionAlgorithmParameters(java.lang.String provider)
throws CMSException,
java.security.NoSuchProviderException
- Return an AlgorithmParameters object giving the encryption parameters
used to encrypt the message content.
- Parameters:
provider
- the provider to generate the parameters for.- Returns:
- the parameters object, null if there is not one.
- Throws:
CMSException
- if the algorithm cannot be found, or the parameters can't be parsed.java.security.NoSuchProviderException
- if the provider cannot be found.
getRecipientInfos
public RecipientInformationStore getRecipientInfos()
- return a store of the intended recipients for this message
getUnprotectedAttributes
public org.bouncycastle.asn1.cms.AttributeTable getUnprotectedAttributes()
- return a table of the unprotected attributes indexed by
the OID of the attribute.
getEncoded
public byte[] getEncoded()
throws java.io.IOException
- return the ASN.1 encoded representation of this object.