Bitlockerīitlocker is popular Windows-only software used to encrypt entire volumes using the AES encryption algorithm with a 128- or 256-bit key. If an adversary forces you to hand over a password, you can just give them the password for the visible OS. Hidden operating systems exist alongside visible operating systems. Hidden volumes reside in the free space of visible container volumes–space which would otherwise be filled with random values if the hidden volume did not exist. VeraCrypt supports two types of plausible deniability–the existence of encrypted data is deniable because an adversary cannot prove that unencrypted data even exists. Because it is, at its core, very similar to TrueCrypt, audits of the original software still apply to VeraCrypt. The code is routinely audited by independent researchers. VeraCrypt is free and open source, and it always will be. This means it takes a bit longer for the partition to start up and containers to open, but does not affect application use. VeraCrypt uses 30 times more iterations when encrypting containers and partitions than TrueCrypt. You can find a full list of improvements and corrections that VeraCrypt made on TrueCrypt here. These improvements make it immune to new developments in brute-force attacks, according to developers. VeraCrypt adds security to the algorithms used for system and partitions encryption. It performs all of the same functions as TrueCrypt and then some. VeraCrypt is a fork of TrueCrypt and is widely considered its successor.
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