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This package provides the classes and interfaces for cryptographic applications implementing algorithms for encryption, decryption, or key agreement.
Stream ciphers are supported as well as asymmetric, symmetric and block ciphers. Cipher implementations from different providers can be integrated using
the SPI (Service Provider Interface) abstract classes. With class SealedObject a programmer can secure an object by
encrypting it with a cipher.
Authentication may be based on MAC (Message Authentication Code) such as HMAC (Hash MAC, i.e. with a SHA-1 hash function).
| SecretKey | A cryptographic secret (symmetric) key. |
| Cipher | This class provides access to implementations of cryptographic ciphers for encryption and decryption. |
| CipherInputStream |
This class wraps an InputStream and a cipher so that read()
methods return data that are read from the underlying InputStream and
processed by the cipher.
|
| CipherOutputStream |
This class wraps an output stream and a cipher so that write methods
send the data through the cipher before writing them to the underlying output
stream.
|
| CipherSpi | This class defines the Service Provider Interface (SPI) for cryptographic ciphers. |
| EncryptedPrivateKeyInfo |
This class implements the EncryptedPrivateKeyInfo ASN.1 type as
specified in PKCS
#8 - Private-Key Information Syntax Standard.
|
| ExemptionMechanism | This class implements the functionality of an exemption mechanism such as key recovery, key weakening, or key escrow. |
| ExemptionMechanismSpi |
The Service Provider Interface (SPI) definition for the ExemptionMechanism class.
|
| KeyAgreement | This class provides the functionality for a key exchange protocol. |
| KeyAgreementSpi |
The Service Provider Interface (SPI) definition for the
KeyAgreement class.
|
| KeyGenerator | This class provides the public API for generating symmetric cryptographic keys. |
| KeyGeneratorSpi |
The Service Provider Interface (SPI) definition for the
KeyGenerator class.
|
| Mac | This class provides the public API for Message Authentication Code (MAC) algorithms. |
| MacSpi |
The Service-Provider Interface (SPI) definition for the Mac class.
|
| NullCipher | This class provides an identity cipher that does not transform the input data in any way. |
| SealedObject |
A SealedObject is a wrapper around a serializable object
instance and encrypts it using a cryptographic cipher.
|
| SecretKeyFactory |
The public API for SecretKeyFactory implementations.
|
| SecretKeyFactorySpi |
The Service Provider Interface (SPI) definition for the SecretKeyFactory class.
|
| AEADBadTagException |
Thrown by a Cipher that is using an Authenticated Encryption with
Additional Data (AEAD) mode such as Galois/Counter Mode (GCM) and the tag
failed verification.
|
| BadPaddingException | The exception that is thrown when a padding mechanism is expected for the input data, but the input data does not have the proper padding bytes. |
| ExemptionMechanismException |
This is the base class for ExemptionMechanismException.
|
| IllegalBlockSizeException | The exception, that is thrown when the data length provided to a block cipher does not match the block size of the cipher. |
| NoSuchPaddingException | The exception that is thrown when the requested padding mechanism is not supported. |
| ShortBufferException | The exception that is thrown when the result of an operation is attempted to store in a user provided buffer that is too small. |