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java.lang.Object
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+--gnu.crypto.key.dh.GnuDHKey
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+--gnu.crypto.key.dh.GnuDHPublicKey
An implementation of the Diffie-Hellman public key.
Reference:
| Field Summary |
|---|
| Fields inherited from class gnu.crypto.key.dh.GnuDHKey |
|---|
g, p, q |
| Fields inherited from interface java.security.PublicKey |
|---|
serialVersionUID |
| Constructor Summary | |
|---|---|
GnuDHPublicKey(java.math.BigInteger q,
java.math.BigInteger p,
java.math.BigInteger g,
java.math.BigInteger y)
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| Method Summary | |
|---|---|
byte[] |
getEncoded()
Deprecated. see getEncoded(int). |
byte[] |
getEncoded(int format)
Returns the encoded form of this public key according to the designated format. |
java.math.BigInteger |
getY()
Returns the public value, y. |
static GnuDHPublicKey |
valueOf(byte[] k)
A class method that takes the output of the encodePublicKey()
method of a DH keypair codec object (an instance implementing
IKeyPairCodec for DSS keys, and re-constructs an instance of this
object. |
| Methods inherited from class gnu.crypto.key.dh.GnuDHKey |
|---|
equals, getAlgorithm, getFormat, getParams, getQ |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface javax.crypto.interfaces.DHKey |
|---|
getParams |
| Methods inherited from interface java.security.Key |
|---|
getAlgorithm, getFormat |
| Constructor Detail |
public GnuDHPublicKey(java.math.BigInteger q,
java.math.BigInteger p,
java.math.BigInteger g,
java.math.BigInteger y)
| Method Detail |
public static GnuDHPublicKey valueOf(byte[] k)
A class method that takes the output of the encodePublicKey()
method of a DH keypair codec object (an instance implementing
IKeyPairCodec for DSS keys, and re-constructs an instance of this
object.
k - the contents of a previously encoded instance of this object.
java.lang.ArrayIndexOutOfBoundsException - if there is not enough bytes,
in k, to represent a valid encoding of an instance of this
object.
java.lang.IllegalArgumentException - if the byte sequence does not
represent a valid encoding of an instance of this object.public byte[] getEncoded()
getEncoded in interface java.security.Keypublic java.math.BigInteger getY()
DHPublicKeyy.
getY in interface DHPublicKeyypublic byte[] getEncoded(int format)
Returns the encoded form of this public key according to the designated format.
format - the desired format identifier of the resulting encoding.
java.lang.IllegalArgumentException - if the format is not supported.DHKeyPairRawCodec
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For the latest news and information visit The GNU Crypto project |
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