本文整理匯總了Java中javax.crypto.spec.DHPublicKeySpec.getG方法的典型用法代碼示例。如果您正苦於以下問題：Java DHPublicKeySpec.getG方法的具體用法？Java DHPublicKeySpec.getG怎麽用？Java DHPublicKeySpec.getG使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.crypto.spec.DHPublicKeySpec的用法示例。
在下文中一共展示了DHPublicKeySpec.getG方法的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: engineGeneratePublic
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
示例2: engineGeneratePublic
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
}
示例3: decodeDHPublicKey
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
/**
* @param spec an instance of {@link DHPublicKeySpec} to decode.
* @return an instance of a {@link DHPublicKey} constructed from the
* information in the designated key-specification.
* @throws InvalidKeySpecException if no concrete implementation of the
* {@link DHPublicKey} interface exists at run-time, or if an
* exception occurs during its instantiation.
*/
private DHPublicKey decodeDHPublicKey(DHPublicKeySpec spec)
throws InvalidKeySpecException
{
BigInteger p = spec.getP();
BigInteger g = spec.getG();
BigInteger y = spec.getY();
Object[] params = new Object[] {Integer.valueOf(Registry.X509_ENCODING_ID),
null, p, g, y};
Object obj = invokeConstructor("gnu.javax.crypto.key.dh.GnuDHPublicKey",
params);
return (DHPublicKey) obj;
}
示例4: JCEDHPublicKey
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
JCEDHPublicKey(
DHPublicKeySpec spec)
{
this.y = spec.getY();
this.dhSpec = new DHParameterSpec(spec.getP(), spec.getG());
}
示例5: JCEElGamalPublicKey
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
JCEElGamalPublicKey(
DHPublicKeySpec spec)
{
this.y = spec.getY();
this.elSpec = new ElGamalParameterSpec(spec.getP(), spec.getG());
}
示例6: BCDHPublicKey
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
BCDHPublicKey(
DHPublicKeySpec spec)
{
this.y = spec.getY();
this.dhSpec = new DHParameterSpec(spec.getP(), spec.getG());
}
示例7: BCElGamalPublicKey
import javax.crypto.spec.DHPublicKeySpec; //導入方法依賴的package包/類
BCElGamalPublicKey(
DHPublicKeySpec spec)
{
this.y = spec.getY();
this.elSpec = new ElGamalParameterSpec(spec.getP(), spec.getG());
}