This package provides the classes and interfaces needed to define encryption algorithm, keys' agreement algorithms and MAC (Message Authentication Code). Stream ciphers are supported as well as asymmetric, symmetric, block ciphers. With class SealedObject a programmer can secure an object by encrypting it with a supported cipher. Not only MAC but also HMAC (Hash MAC) with sha-1 arr supported. Ciphers' implementations from different providers ae easily integrated in the package thanks to the SPI (Security Provider Interface) abstract classes.
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