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| Java™ Platform Standard Ed. 6
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## Uses of Package
javax.crypto

Packages that use javax.crypto
java.security | Provides the classes and interfaces for the security framework.
javax.crypto | Provides the classes and interfaces for cryptographic operations.
javax.crypto.interfaces | Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
javax.crypto.spec | Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.security.auth.kerberos | This package contains utility classes related to the Kerberos network authentication protocol.

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

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.
ExemptionMechanism This class provides the functionality of an exemption mechanism, examples of which are key recovery, key weakening, and key escrow.
ExemptionMechanismException This is the generic ExemptionMechanism exception.
ExemptionMechanismSpi This class defines the Service Provider Interface (SPI) for the `ExemptionMechanism` 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 secret (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) algorithm.
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.
SealedObject This class enables a programmer to create an object and protect its confidentiality with a cryptographic algorithm.
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.interfaces
SecretKey A secret (symmetric) key.

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

Classes in javax.crypto used by javax.security.auth.kerberos
SecretKey A secret (symmetric) key.

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