Bouncy Castle Cryptography Library 1.45

## 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

Constructor Summary
`CMSEnvelopedData(byte[] envelopedData)`
`CMSEnvelopedData(org.bouncycastle.asn1.cms.ContentInfo contentInfo)`
`CMSEnvelopedData(java.io.InputStream envelopedData)`

Method Summary
`org.bouncycastle.asn1.cms.ContentInfo` `getContentInfo()` return the ContentInfo
`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.security.Provider provider)` Return an AlgorithmParameters object giving the encryption parameters used to encrypt the message content.
`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`

Constructor Detail

### CMSEnvelopedData

    public CMSEnvelopedData(byte[] envelopedData)
                     throws CMSException

Throws:
  `CMSException`

### CMSEnvelopedData

    public CMSEnvelopedData(java.io.InputStream envelopedData)
                     throws CMSException

Throws:
  `CMSException`

### CMSEnvelopedData

    public CMSEnvelopedData(org.bouncycastle.asn1.cms.ContentInfo contentInfo)
                     throws CMSException

Throws:
  `CMSException`

Method Detail

### 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.

### getEncryptionAlgorithmParameters

    public java.security.AlgorithmParameters getEncryptionAlgorithmParameters(java.security.Provider provider)
                                                                       throws CMSException

  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.

### getRecipientInfos

    public RecipientInformationStore getRecipientInfos()

  return a store of the intended recipients for this message

### getContentInfo

    public org.bouncycastle.asn1.cms.ContentInfo getContentInfo()

  return the ContentInfo

### 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.

  Throws:
    `java.io.IOException`

Bouncy Castle Cryptography Library 1.45