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## org.bouncycastle.asn1.cms
Class SignerIdentifier

    java.lang.Object
      org.bouncycastle.asn1.ASN1Encodable
          org.bouncycastle.asn1.cms.SignerIdentifier

All Implemented Interfaces:
  ASN1Choice, DEREncodable

    public class SignerIdentifier

extends ASN1Encodable
implements ASN1Choice

Field Summary

Fields inherited from class org.bouncycastle.asn1.ASN1Encodable
`BER, DER`

Constructor Summary
`SignerIdentifier(ASN1OctetString id)`
`SignerIdentifier(DERObject id)`
`SignerIdentifier(IssuerAndSerialNumber id)`

Method Summary
`DEREncodable` | `getId()`
`static SignerIdentifier` | `getInstance(java.lang.Object o)` return a SignerIdentifier object from the given object.
`boolean` | `isTagged()`
`DERObject` | `toASN1Object()` Produce an object suitable for an ASN1OutputStream.

Methods inherited from class org.bouncycastle.asn1.ASN1Encodable
`equals, getDEREncoded, getDERObject, getEncoded, getEncoded, hashCode`

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

Constructor Detail

### SignerIdentifier

    public SignerIdentifier(IssuerAndSerialNumber id)

### SignerIdentifier

    public SignerIdentifier(ASN1OctetString id)

### SignerIdentifier

    public SignerIdentifier(DERObject id)

Method Detail

### getInstance

    public static SignerIdentifier getInstance(java.lang.Object o)

  return a SignerIdentifier object from the given object.

  Parameters:
    `o` - the object we want converted.
  Throws:
    `java.lang.IllegalArgumentException` - if the object cannot be converted.

### isTagged

    public boolean isTagged()

### getId

    public DEREncodable getId()

### toASN1Object

    public DERObject toASN1Object()

  Produce an object suitable for an ASN1OutputStream.

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

       SubjectKeyIdentifier ::= OCTET STRING

  Specified by:
    `toASN1Object` in class `ASN1Encodable`

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