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src/java.base/share/classes/javax/crypto/KeyGenerator.java

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rev 15967 : [mq]: GetInstance

*** 214,235 **** * See the KeyGenerator section in the <a href= * "{@docRoot}/../technotes/guides/security/StandardNames.html#KeyGenerator"> * Java Cryptography Architecture Standard Algorithm Name Documentation</a> * for information about standard algorithm names. * ! * @return the new {@code KeyGenerator} object. * ! * @exception NullPointerException if the specified algorithm is null. * ! * @exception NoSuchAlgorithmException if no Provider supports a ! * KeyGeneratorSpi implementation for the ! * specified algorithm. * * @see java.security.Provider */ public static final KeyGenerator getInstance(String algorithm) throws NoSuchAlgorithmException { return new KeyGenerator(algorithm); } /** * Returns a {@code KeyGenerator} object that generates secret keys --- 214,236 ---- * See the KeyGenerator section in the <a href= * "{@docRoot}/../technotes/guides/security/StandardNames.html#KeyGenerator"> * Java Cryptography Architecture Standard Algorithm Name Documentation</a> * for information about standard algorithm names. * ! * @return the new {@code KeyGenerator} object * ! * @throws NoSuchAlgorithmException if no {@code Provider} supports a ! * {@code KeyGeneratorSpi} implementation for the ! * specified algorithm * ! * @throws NullPointerException if {@code algorithm} is {@code null} * * @see java.security.Provider */ public static final KeyGenerator getInstance(String algorithm) throws NoSuchAlgorithmException { + Objects.requireNonNull(algorithm, "null algorithm name"); return new KeyGenerator(algorithm); } /** * Returns a {@code KeyGenerator} object that generates secret keys
*** 249,277 **** * Java Cryptography Architecture Standard Algorithm Name Documentation</a> * for information about standard algorithm names. * * @param provider the name of the provider. * ! * @return the new {@code KeyGenerator} object. * ! * @exception NullPointerException if the specified algorithm is null. * ! * @exception NoSuchAlgorithmException if a KeyGeneratorSpi * implementation for the specified algorithm is not ! * available from the specified provider. * ! * @exception NoSuchProviderException if the specified provider is not ! * registered in the security provider list. * ! * @exception IllegalArgumentException if the {@code provider} ! * is null or empty. * * @see java.security.Provider */ public static final KeyGenerator getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException { Instance instance = JceSecurity.getInstance("KeyGenerator", KeyGeneratorSpi.class, algorithm, provider); return new KeyGenerator((KeyGeneratorSpi)instance.impl, instance.provider, algorithm); } --- 250,279 ---- * Java Cryptography Architecture Standard Algorithm Name Documentation</a> * for information about standard algorithm names. * * @param provider the name of the provider. * ! * @return the new {@code KeyGenerator} object * ! * @throws IllegalArgumentException if the {@code provider} ! * is {@code null} or empty * ! * @throws NoSuchAlgorithmException if a {@code KeyGeneratorSpi} * implementation for the specified algorithm is not ! * available from the specified provider * ! * @throws NoSuchProviderException if the specified provider is not ! * registered in the security provider list * ! * @throws NullPointerException if {@code algorithm} is {@code null} * * @see java.security.Provider */ public static final KeyGenerator getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException { + Objects.requireNonNull(algorithm, "null algorithm name"); Instance instance = JceSecurity.getInstance("KeyGenerator", KeyGeneratorSpi.class, algorithm, provider); return new KeyGenerator((KeyGeneratorSpi)instance.impl, instance.provider, algorithm); }
*** 291,315 **** * Java Cryptography Architecture Standard Algorithm Name Documentation</a> * for information about standard algorithm names. * * @param provider the provider. * ! * @return the new {@code KeyGenerator} object. * ! * @exception NullPointerException if the specified algorithm is null. * ! * @exception NoSuchAlgorithmException if a KeyGeneratorSpi * implementation for the specified algorithm is not available ! * from the specified Provider object. * ! * @exception IllegalArgumentException if the {@code provider} ! * is null. * * @see java.security.Provider */ public static final KeyGenerator getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException { Instance instance = JceSecurity.getInstance("KeyGenerator", KeyGeneratorSpi.class, algorithm, provider); return new KeyGenerator((KeyGeneratorSpi)instance.impl, instance.provider, algorithm); } --- 293,318 ---- * Java Cryptography Architecture Standard Algorithm Name Documentation</a> * for information about standard algorithm names. * * @param provider the provider. * ! * @return the new {@code KeyGenerator} object * ! * @throws IllegalArgumentException if the {@code provider} ! * is {@code null} * ! * @throws NoSuchAlgorithmException if a {@code KeyGeneratorSpi} * implementation for the specified algorithm is not available ! * from the specified {@code Provider} object * ! * @throws NullPointerException if {@code algorithm} is {@code null} * * @see java.security.Provider */ public static final KeyGenerator getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException { + Objects.requireNonNull(algorithm, "null algorithm name"); Instance instance = JceSecurity.getInstance("KeyGenerator", KeyGeneratorSpi.class, algorithm, provider); return new KeyGenerator((KeyGeneratorSpi)instance.impl, instance.provider, algorithm); }
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