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org.mozilla.jss.pkcs7
Class ContentInfo
java.lang.Object org.mozilla.jss.pkcs7.ContentInfo
- All Implemented Interfaces:
- ASN1Value
public class ContentInfo
- extends java.lang.Object
- implements ASN1Value
- extends java.lang.Object
A PKCS #7 ContentInfo structure.
Nested Class Summary | |
---|---|
static class |
ContentInfo.Template
A template for decoding a ContentInfo blob |
Field Summary | |
---|---|
static OBJECT_IDENTIFIER |
DATA
|
static OBJECT_IDENTIFIER |
DIGESTED_DATA
|
static OBJECT_IDENTIFIER |
ENCRYPTED_DATA
|
static OBJECT_IDENTIFIER |
ENVELOPED_DATA
|
static OBJECT_IDENTIFIER |
SIGNED_AND_ENVELOPED_DATA
|
static OBJECT_IDENTIFIER |
SIGNED_DATA
|
static Tag |
TAG
|
Constructor Summary | |
---|---|
ContentInfo(byte[] data)
Creates a ContentInfo of type data . |
|
ContentInfo(DigestedData dd)
Creates a ContentInfo of type digestedData . |
|
ContentInfo(EncryptedData ed)
Creates a ContentInfo of type encryptedData . |
|
ContentInfo(EnvelopedData ed)
Creates a ContentInfo of type envelopedData . |
|
ContentInfo(OBJECT_IDENTIFIER contentType,
ASN1Value content)
Creates a ContentInfo with the given type and content. |
|
ContentInfo(SignedAndEnvelopedData sed)
Creates a ContentInfo of type signedAndEnvelopedData . |
|
ContentInfo(SignedData sd)
Creates a ContentInfo of type signedData . |
Method Summary | |
---|---|
void |
encode(java.io.OutputStream ostream)
Write this value's DER encoding to an output stream using its own base tag. |
void |
encode(Tag implicitTag,
java.io.OutputStream ostream)
Write this value's DER encoding to an output stream using an implicit tag. |
ANY |
getContent()
Returns the content encoded as an ANY. |
OBJECT_IDENTIFIER |
getContentType()
Returns the contentType field, which determines what kind of content is contained in this ContentInfo. |
ASN1Value |
getInterpretedContent()
Returns the content, interpreted based on its type. |
Tag |
getTag()
Returns the base tag for this type, not counting any tags that may be imposed on it by its context. |
static ContentInfo.Template |
getTemplate()
Returns a singleton instance of a decoding template for ContentInfo. |
boolean |
hasContent()
Returns true if the content field is present. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
TAG
public static final Tag TAG
DATA
public static OBJECT_IDENTIFIER DATA
SIGNED_DATA
public static OBJECT_IDENTIFIER SIGNED_DATA
ENVELOPED_DATA
public static OBJECT_IDENTIFIER ENVELOPED_DATA
SIGNED_AND_ENVELOPED_DATA
public static OBJECT_IDENTIFIER SIGNED_AND_ENVELOPED_DATA
DIGESTED_DATA
public static OBJECT_IDENTIFIER DIGESTED_DATA
ENCRYPTED_DATA
public static OBJECT_IDENTIFIER ENCRYPTED_DATA
Constructor Detail |
---|
ContentInfo
public ContentInfo(OBJECT_IDENTIFIER contentType, ASN1Value content)
- Creates a ContentInfo with the given type and content.
- Parameters:
contentType
- The contentType of the ContentInfo.content
- The content of the ContentInfo. May benull
to signify that the optional content field is not present.
ContentInfo
public ContentInfo(byte[] data)
- Creates a ContentInfo of type
data
.
ContentInfo
public ContentInfo(SignedData sd)
- Creates a ContentInfo of type
signedData
.
ContentInfo
public ContentInfo(EnvelopedData ed)
- Creates a ContentInfo of type
envelopedData
.
ContentInfo
public ContentInfo(SignedAndEnvelopedData sed)
- Creates a ContentInfo of type
signedAndEnvelopedData
.
ContentInfo
public ContentInfo(DigestedData dd)
- Creates a ContentInfo of type
digestedData
.
ContentInfo
public ContentInfo(EncryptedData ed)
- Creates a ContentInfo of type
encryptedData
.
Method Detail |
---|
getContentType
public OBJECT_IDENTIFIER getContentType()
- Returns the contentType field, which determines what kind of content
is contained in this ContentInfo. It will usually be one of the six
predefined types, but may also be a user-defined type.
hasContent
public boolean hasContent()
- Returns
true
if the content field is present.
getInterpretedContent
public ASN1Value getInterpretedContent() throws InvalidBERException
- Returns the content, interpreted based on its type. If there is no
content,
null
is returned.If the contentType is one of the six standard types, the returned object will be of that type. For example, if the ContentInfo has contentType signedData, a SignedData object will be returned. If the contentType is data, an OCTET_STRING will be returned.
If the contentType is not one of the six standard types, the returned object will be an ANY.
- Throws:
InvalidBERException
getContent
public ANY getContent()
- Returns the content encoded as an ANY. If there is no content,
null
is returned.
encode
public void encode(java.io.OutputStream ostream) throws java.io.IOException
- Description copied from interface:
ASN1Value
- Write this value's DER encoding to an output stream using
its own base tag.
- Throws:
java.io.IOException
encode
public void encode(Tag implicitTag, java.io.OutputStream ostream) throws java.io.IOException
- Description copied from interface:
ASN1Value
- Write this value's DER encoding to an output stream using
an implicit tag.
- Throws:
java.io.IOException
getTag
public Tag getTag()
- Description copied from interface:
ASN1Value
- Returns the base tag for this type, not counting any tags
that may be imposed on it by its context.
getTemplate
public static ContentInfo.Template getTemplate()
- Returns a singleton instance of a decoding template for ContentInfo.
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