Krypta uses three layers of multiple encryption. Each file or volume is encrypted with one layer (800,000 iterations) of 256-bit AES, one layer (800,000 iterations) of 256-bit Twofish, and then one layer (800,000 iterations) of 256-bit Serpent ciphers. Each layer of encryption uses an independent SALT (Random hash) an independent password, and independent hashing functions.
These independent variables help to keep each layer as separate and independent from each other as possible. This maximizes and utilizes the benefit of multiple encryption. After all what is more secure: a house with the doors locked, or a house with the doors locked, security cameras on the house, and an attack dog waiting inside the house? A keyfile may also be used to fully maximize security. The keyfile may be any file the user wishes from a picture file to a video file, just make sure to store the keyfile in a safe place as the file cannot be decrypted without it. The keyfile works by supplying separate amount data to the algorithm that isn't accessible from the Salt or password. A cracker could discover your password(s) and still wouldn't be able to properly decrypt your file because they don't have that other data supplied by the keyfile.
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