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## Uses of Package
javax.crypto

Packages that use javax.crypto
javax.crypto | This package defines the main JCE 1.2 classes.
javax.crypto.spec | This package defines JCE 1.2 KeySpec and AlgorithmParameterSpec subclasses.

Classes in javax.crypto used by javax.crypto
BadPaddingException This exception is thrown when a particular padding mechanism is expected for the input data but the data is not padded properly
Cipher This class provides the functionality of a cryptographic cipher for encryption and decryption.
CipherSpi This class defines the Service Provider Interface (SPI) for the Cipher class.
IllegalBlockSizeException This exception is thrown when the length of data provided to a block cipher is incorrect, i.e., does not match the block size of the cipher.
KeyAgreement This class provides the functionality of a key agreement (or key exchange) protocol.
KeyAgreementSpi This class defines the Service Provider Interface (SPI) for the KeyAgreement class.
KeyGenerator This class provides the functionality of a (symmetric) key generator.
KeyGeneratorSpi This class defines the Service Provider Interface (SPI) for the KeyGenerator class.
Mac This class provides the functionality of a "message authentication code" (MAC).
MacSpi This class defines the Service Provider Interface (SPI) for the Mac class.
NoSuchPaddingException This exception is thrown when a particular padding mechanism is requested but is not available in the environment.
SecretKey A secret (symmetric) key.
SecretKeyFactory This class represents a factory for secret keys.
SecretKeyFactorySpi This class defines the Service Provider Interface (SPI) for the SecretKeyFactory class.
ShortBufferException This exception is thrown when an output buffer provided by the user is too short to hold the operation result.

Classes in javax.crypto used by javax.crypto.spec
SecretKey A secret (symmetric) key.

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