Key generators are constructed using one of the
getInstance class methods of this class.
This class provides the functionality of a secret (symmetric) key generator.
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KeyGenerator objects are reusable, i.e., after a key has been generated, the same KeyGenerator object can be re-used to generate further keys.
There are two ways to generate a key: in an algorithm-independent manner, and in an algorithm-specific manner. The only difference between the two is the initialization of the object:
In case the client does not explicitly initialize the KeyGenerator (via a call to an
init method), each provider must supply (and document) a default initialization.
![]() Generate Random Aes 256 Key
Every implementation of the Java platform is required to support the following standard
KeyGenerator algorithms with the keysizes in parentheses:
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Aes 128 Encryption
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