org.apache.wss4j.common.crypto

Class X509SubjectPublicKeyInfo

java.lang.Object

org.apache.wss4j.common.crypto.DERDecoder

org.apache.wss4j.common.crypto.X509SubjectPublicKeyInfo

public class X509SubjectPublicKeyInfo
extends DERDecoder

Represents the X.509 SubjectPublicKeyInfo for a public key, as specified in RFC3280/5280:

 SubjectPublicKeyInfo  ::=  SEQUENCE  {
       algorithm            AlgorithmIdentifier,
       subjectPublicKey     BIT STRING  }

 AlgorithmIdentifier  ::=  SEQUENCE  {
       algorithm               OBJECT IDENTIFIER,
       parameters              ANY DEFINED BY algorithm OPTIONAL  }
 

Field Summary

Fields inherited from class org.apache.wss4j.common.crypto.DERDecoder

TYPE_BIT_STRING, TYPE_OCTET_STRING, TYPE_SEQUENCE

Constructor Summary

Constructors

Constructor and Description
X509SubjectPublicKeyInfo(byte[] x509EncodedPublicKey) Construct a SubjectPublicKeyInfo for the given X.509-encoded public key.
X509SubjectPublicKeyInfo(PublicKey key) Construct a SubjectPublicKeyInfo for the given public key.

Method Summary

Modifier and Type	Method and Description
byte[]	getSubjectPublicKey() Get the subjectPublicKey element of the SubjectPublicKeyInfo.

Methods inherited from class org.apache.wss4j.common.crypto.DERDecoder

expect, expect, getBytes, getLength, reset, skip, test

Methods inherited from class java.lang.Object

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

Constructor Detail

X509SubjectPublicKeyInfo

public X509SubjectPublicKeyInfo(PublicKey key)
                         throws WSSecurityException

Construct a SubjectPublicKeyInfo for the given public key.

Parameters:

key - the public key.

Throws:

WSSecurityException - if the public key encoding format is not X.509 or the encoding is null.

X509SubjectPublicKeyInfo

public X509SubjectPublicKeyInfo(byte[] x509EncodedPublicKey)
                         throws WSSecurityException

Construct a SubjectPublicKeyInfo for the given X.509-encoded public key.

Parameters:

x509EncodedPublicKey - the public key, in X.509 DER-encoding.

Throws:

WSSecurityException - if the encoded public key is null.

Method Detail

getSubjectPublicKey

public byte[] getSubjectPublicKey()
                           throws WSSecurityException

Get the subjectPublicKey element of the SubjectPublicKeyInfo.

Returns:

the X.509-encoded subjectPublicKey bit string.

Throws:

WSSecurityException - the DER-encoding is invalid.