org.webdocwf.util.smime.cms
Class SignedAttributes

java.lang.Object
  |
  +--org.webdocwf.util.smime.der.DERObject
        |
        +--org.webdocwf.util.smime.der.DERClassContextSpecificPr
              |
              +--org.webdocwf.util.smime.cms.SignedAttributes

public class SignedAttributes

extends DERClassContextSpecificPr

SignedAttributes class is DER encoded container for holding particular signed attributes represented in ASN.1 notation according to RFC2630.

signedAttrs [0] IMPLICIT SignedAttributes OPTIONAL

SignedAttributes ::= SET SIZE (1..MAX) OF Attribute

Attribute ::= SEQUENCE {

attrType OBJECT IDENTIFIER,

attrValues SET OF AttributeValue }

attrType ::= OBJECT IDENTIFIER

attrValues ::= SET OF AttributeValue

AttributeValue ::= ANY

Constructor Summary

SignedAttributes()
Constructs structured DER encoded object with tag Class Context Specific

Method Summary

void	addSignedAttribute(byte[] content0) Adds DER encoded Signed attribute.
byte[]	getSignedAttribute() Returns DER encoded Signed attributes.

Methods inherited from class org.webdocwf.util.smime.der.DERClassContextSpecificPr

addContent

Methods inherited from class org.webdocwf.util.smime.der.DERObject

getContentOctets, getContentPartSize, getDEREncoded, getIdentifierOctet, getLengthOctets, getLengthPartSize, getTagClassType, getTagComplexity, getTagTypeNumber, getTotalSize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SignedAttributes

public SignedAttributes()
                 throws SMIMEException

Constructs structured DER encoded object with tag Class Context Specific

Throws:

SMIMEException - thrown in super class constructor.

Method Detail

addSignedAttribute

public void addSignedAttribute(byte[] content0)
                        throws SMIMEException

Adds DER encoded Signed attribute. This function must be performed one or more times.

Parameters:

content0 - DER encoded Signed attribute for adding

Throws:

SMIMEException - thrown in super class addContent method.

getSignedAttribute

public byte[] getSignedAttribute()
                          throws SMIMEException

Returns DER encoded Signed attributes. At least one attribute must be added before performing this function.

Returns:

Container with all aded signed attributes

Throws:

SMIMEException - if no attribute was added. Also, exception could be thrown in super class getDEREncoded method.