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java.lang.Objectgnu.crypto.key.dh.GnuDHKey
gnu.crypto.key.dh.GnuDHPublicKey
An implementation of the Diffie-Hellman public key.
Reference:
Field Summary |
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Fields inherited from class gnu.crypto.key.dh.GnuDHKey |
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g, p, q |
Fields inherited from interface java.security.PublicKey |
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serialVersionUID |
Constructor Summary | |
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GnuDHPublicKey(BigInteger q,
BigInteger p,
BigInteger g,
BigInteger y)
|
Method Summary | |
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byte[] |
getEncoded()
Deprecated. see getEncoded(int). |
byte[] |
getEncoded(int format)
Returns the encoded form of this public key according to the designated format. |
BigInteger |
getY()
|
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 |
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equals, getAlgorithm, getFormat, getParams, getQ |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface javax.crypto.interfaces.DHKey |
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getParams |
Methods inherited from interface java.security.Key |
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getAlgorithm, getFormat |
Constructor Detail |
public GnuDHPublicKey(BigInteger q, BigInteger p, BigInteger g, 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.
ArrayIndexOutOfBoundsException
- if there is not enough bytes,
in k
, to represent a valid encoding of an instance of this
object.
IllegalArgumentException
- if the byte sequence does not
represent a valid encoding of an instance of this object.public byte[] getEncoded()
getEncoded
in interface Key
public BigInteger getY()
getY
in interface DHPublicKey
public 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.
IllegalArgumentException
- if the format is not supported.DHKeyPairRawCodec
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