attached bouncy-castle dependency to pom.xml
added IEncryptionUtil in order to cover the whole functionality for the
new BouncyCastleEncryptionUtil
new EncryptionUtil based on bouncy-castle algorithms
AES key generation with BC provider added
BC AES encryption now works (even with 256bit keys!)
BC AES decryption works now (even with 256 bit keys!)
added random IV creation
BC RSA key pair generation added
removed old and deprecated classes as a new EncryptionUtil will be used
strenghtened RSA key pair generation, generation now done by BC
algorithmics
RSA asymmetric encryption added, works with any key size and uses BC
algorithmics
RSA decryption added, works with BC algorithmics
refactored AES encryption, algorihm modularized
refactored RSA encryption, algorithm modularized
EncryptionUtil class clean-up
serialization added
added signing of content by means of RSA key pair and SHA-1 digest
added verification of content by means of RSA key pair and SHA-1 digest
refactored signing/verification, algorithm modularized
added documentation to the new EncryptionUtil