java.lang.Object
- org.bouncycastle.asn1.ASN1Object
- - org.bouncycastle.asn1.cms.SignerInfo

All Implemented Interfaces:: ASN1Encodable, Encodable

public class SignerInfo
extends ASN1Object

RFC 5652: Signature container per Signer, see SignerIdentifier.

 PKCS#7:

 SignerInfo ::= SEQUENCE {
     version                   Version,
     sid                       SignerIdentifier,
     digestAlgorithm           DigestAlgorithmIdentifier,
     authenticatedAttributes   [0] IMPLICIT Attributes OPTIONAL,
     digestEncryptionAlgorithm DigestEncryptionAlgorithmIdentifier,
     encryptedDigest           EncryptedDigest,
     unauthenticatedAttributes [1] IMPLICIT Attributes OPTIONAL
 }

 EncryptedDigest ::= OCTET STRING

 DigestAlgorithmIdentifier ::= AlgorithmIdentifier

 DigestEncryptionAlgorithmIdentifier ::= AlgorithmIdentifier

 -----------------------------------------

 RFC 5652:

 SignerInfo ::= SEQUENCE {
     version            CMSVersion,
     sid                SignerIdentifier,
     digestAlgorithm    DigestAlgorithmIdentifier,
     signedAttrs        [0] IMPLICIT SignedAttributes OPTIONAL,
     signatureAlgorithm SignatureAlgorithmIdentifier,
     signature          SignatureValue,
     unsignedAttrs      [1] IMPLICIT UnsignedAttributes OPTIONAL
 }

 -- SignerIdentifier referenced certificates are at containing
 -- SignedData certificates element.

 SignerIdentifier ::= CHOICE {
     issuerAndSerialNumber IssuerAndSerialNumber,
     subjectKeyIdentifier  [0] SubjectKeyIdentifier }

 -- See Attributes for generalized SET OF Attribute

 SignedAttributes   ::= SET SIZE (1..MAX) OF Attribute
 UnsignedAttributes ::= SET SIZE (1..MAX) OF Attribute
 
 Attribute ::= SEQUENCE {
     attrType   OBJECT IDENTIFIER,
     attrValues SET OF AttributeValue }

 AttributeValue ::= ANY
 
 SignatureValue ::= OCTET STRING

Constructor Summary

Constructors
Constructor	Description
`SignerInfo(ASN1Sequence seq)`	Deprecated. use getInstance() method.
`SignerInfo(SignerIdentifier sid, AlgorithmIdentifier digAlgorithm, ASN1Set authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, ASN1OctetString encryptedDigest, ASN1Set unauthenticatedAttributes)`
`SignerInfo(SignerIdentifier sid, AlgorithmIdentifier digAlgorithm, Attributes authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, ASN1OctetString encryptedDigest, Attributes unauthenticatedAttributes)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ASN1Set`	`getAuthenticatedAttributes()`
`AlgorithmIdentifier`	`getDigestAlgorithm()`
`AlgorithmIdentifier`	`getDigestEncryptionAlgorithm()`
`ASN1OctetString`	`getEncryptedDigest()`
`static SignerInfo`	`getInstance(java.lang.Object o)`	Return a SignerInfo object from the given input
`SignerIdentifier`	`getSID()`
`ASN1Set`	`getUnauthenticatedAttributes()`
`ASN1Integer`	`getVersion()`
`ASN1Primitive`	`toASN1Primitive()`	Produce an object suitable for an ASN1OutputStream.

Methods inherited from class org.bouncycastle.asn1.ASN1Object
encodeTo, encodeTo, equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SignerInfo

public SignerInfo(SignerIdentifier sid,
                  AlgorithmIdentifier digAlgorithm,
                  ASN1Set authenticatedAttributes,
                  AlgorithmIdentifier digEncryptionAlgorithm,
                  ASN1OctetString encryptedDigest,
                  ASN1Set unauthenticatedAttributes)

Parameters:: sid -; digAlgorithm - CMS knows as 'digestAlgorithm'; authenticatedAttributes - CMS knows as 'signedAttrs'; digEncryptionAlgorithm - CMS knows as 'signatureAlgorithm'; encryptedDigest - CMS knows as 'signature'; unauthenticatedAttributes - CMS knows as 'unsignedAttrs'

SignerInfo

public SignerInfo(SignerIdentifier sid,
                  AlgorithmIdentifier digAlgorithm,
                  Attributes authenticatedAttributes,
                  AlgorithmIdentifier digEncryptionAlgorithm,
                  ASN1OctetString encryptedDigest,
                  Attributes unauthenticatedAttributes)

Parameters:: sid -; digAlgorithm - CMS knows as 'digestAlgorithm'; authenticatedAttributes - CMS knows as 'signedAttrs'; digEncryptionAlgorithm - CMS knows as 'signatureAlgorithm'; encryptedDigest - CMS knows as 'signature'; unauthenticatedAttributes - CMS knows as 'unsignedAttrs'

SignerInfo
```
public SignerInfo(ASN1Sequence seq)
```
Deprecated.
use getInstance() method.

Method Detail
- getInstance
```
public static SignerInfo getInstance(java.lang.Object o)
                              throws java.lang.IllegalArgumentException
```
  Return a SignerInfo object from the given input
  Accepted inputs:
  - null → null
  - SignerInfo object
  - ASN1Sequence input formats with SignerInfo structure inside
  Parameters:
  
  o - the object we want converted.
  
  Throws:
  
  java.lang.IllegalArgumentException - if the object cannot be converted.
- getVersion
```
public ASN1Integer getVersion()
```
- getSID
```
public SignerIdentifier getSID()
```
- getAuthenticatedAttributes
```
public ASN1Set getAuthenticatedAttributes()
```
- getDigestAlgorithm
```
public AlgorithmIdentifier getDigestAlgorithm()
```
- getEncryptedDigest
```
public ASN1OctetString getEncryptedDigest()
```
- getDigestEncryptionAlgorithm
```
public AlgorithmIdentifier getDigestEncryptionAlgorithm()
```
- getUnauthenticatedAttributes
```
public ASN1Set getUnauthenticatedAttributes()
```
- toASN1Primitive
```
public ASN1Primitive toASN1Primitive()
```
  Produce an object suitable for an ASN1OutputStream.
  
  Specified by:
  
  toASN1Primitive in interface ASN1Encodable
  
  Specified by:
  
  toASN1Primitive in class ASN1Object
  
  Returns:
  
  a primitive representation of this object.

Class SignerInfo

Constructor Summary

Method Summary

Methods inherited from class org.bouncycastle.asn1.ASN1Object

Methods inherited from class java.lang.Object

Constructor Detail

SignerInfo

SignerInfo

SignerInfo

Method Detail

getInstance

getVersion

getSID

getAuthenticatedAttributes

getDigestAlgorithm

getEncryptedDigest

getDigestEncryptionAlgorithm

getUnauthenticatedAttributes

toASN1Primitive