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AntiPiracy World
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CipherPack: Technical Information |
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Try it!
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CipherPack uses a symmetrical key block cipher algorithm as well as a
lossless compression
algorithm. It is suitable for all types of data and 'packs' the resultant file with the
decryption and decompression code. The result is a single executable file which can be shipped to any third
party. The third party does not require any cryptographic software on his
PC. It is entirely safe as the decryption key or password is never included in
the file. CipherPack implements a type of iterated block cipher known as a Feistel
cipher with a key of up to 15 bytes. This provides the package with
industrial strength encryption and decryption capabilities. For a further discussion on Feistel ciphers we recommend the
Handbook of Applied Cryptography by Menezes and Oorschot.
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