Java Doc for DSAPublicKey.java in  » 6.0-JDK-Modules » j2me » sun » security » provider » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » sun.security.provider 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   sun.security.x509.X509Key
      sun.security.provider.DSAPublicKey

DSAPublicKey
final public class DSAPublicKey extends X509Key implements java.security.interfaces.DSAPublicKey,Serializable(Code)
An X.509 public key for the Digital Signature Algorithm.
author:
   Benjamin Renaud
version:
   1.57, 02/02/00
See Also:   DSAPrivateKey
See Also:   AlgIdDSA
See Also:   DSA



Constructor Summary
public  DSAPublicKey()
    
public  DSAPublicKey(BigInteger y, BigInteger p, BigInteger q, BigInteger g)
     Make a DSA public key out of a public key and three parameters. The p, q, and g parameters may be null, but if so, parameters will need to be supplied from some other source before this key can be used in cryptographic operations.
public  DSAPublicKey(byte[] encoded)
     Make a DSA public key from its DER encoding (X.509).

Method Summary
public  DSAParamsgetParams()
     Returns the DSA parameters associated with this key, or null if the parameters could not be parsed.
public  BigIntegergetY()
     Get the raw public value, y, without the parameters.
protected  voidparseKeyBits()
    
public  StringtoString()
    


Constructor Detail
DSAPublicKey
public DSAPublicKey()(Code)



DSAPublicKey
public DSAPublicKey(BigInteger y, BigInteger p, BigInteger q, BigInteger g) throws InvalidKeyException(Code)
Make a DSA public key out of a public key and three parameters. The p, q, and g parameters may be null, but if so, parameters will need to be supplied from some other source before this key can be used in cryptographic operations. PKIX RFC2459bis explicitly allows DSA public keys without parameters, where the parameters are provided in the issuer's DSA public key.
Parameters:
  y - the actual key bits
Parameters:
  p - DSA parameter p, may be null if all of p, q, and g are null.
Parameters:
  q - DSA parameter q, may be null if all of p, q, and g are null.
Parameters:
  g - DSA parameter g, may be null if all of p, q, and g are null.



DSAPublicKey
public DSAPublicKey(byte[] encoded) throws InvalidKeyException(Code)
Make a DSA public key from its DER encoding (X.509).




Method Detail
getParams
public DSAParams getParams()(Code)
Returns the DSA parameters associated with this key, or null if the parameters could not be parsed.



getY
public BigInteger getY()(Code)
Get the raw public value, y, without the parameters.
See Also:   getParameters



parseKeyBits
protected void parseKeyBits() throws InvalidKeyException(Code)



toString
public String toString()(Code)



Fields inherited from sun.security.x509.X509Key
protected AlgorithmId algid(Code)(Java Doc)
protected byte[] encodedKey(Code)(Java Doc)
protected byte[] key(Code)(Java Doc)

Methods inherited from sun.security.x509.X509Key
public void decode(InputStream in) throws InvalidKeyException(Code)(Java Doc)
public void decode(byte[] encodedKey) throws InvalidKeyException(Code)(Java Doc)
final public void encode(DerOutputStream out) throws IOException(Code)(Java Doc)
public byte[] encode() throws InvalidKeyException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
public String getAlgorithm()(Code)(Java Doc)
public AlgorithmId getAlgorithmId()(Code)(Java Doc)
public byte[] getEncoded()(Code)(Java Doc)
public byte[] getEncodedInternal() throws InvalidKeyException(Code)(Java Doc)
public String getFormat()(Code)(Java Doc)
protected BitArray getKey()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public static PublicKey parse(DerValue in) throws IOException(Code)(Java Doc)
protected void parseKeyBits() throws IOException, InvalidKeyException(Code)(Java Doc)
protected void setKey(BitArray key)(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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