GNU fcrypt was a

disk encryption software Disk encryption software is computer security software that protects the confidentiality of data stored on computer media (e.g., a hard disk, floppy disk, or USB device) by using disk encryption. Compared to access controls commonly enforced by ...

project intended to offer multiple hidden partitions, " on the fly encryption" (automatic and transparent encryption), and "

plausible deniability Plausible deniability is the ability of people, typically senior officials in a formal or informal chain of command, to deny knowledge of or responsibility for any damnable actions committed by members of their organizational hierarchy. They may ...

". The now disbanded project was part of the

GNU project The GNU Project () is a free software, mass collaboration project announced by Richard Stallman on September 27, 1983. Its goal is to give computer users freedom and control in their use of their computers and Computer hardware, computing devi ...

. In November 2012

Richard Stallman Richard Matthew Stallman (; born March 16, 1953), also known by his initials, rms, is an American free software movement activist and programmer. He campaigns for software to be distributed in such a manner that its users have the freedom to u ...

, dubbed fcrypt as an official GNU project, after that the program was called GNU fcrypt. The software's encryption was intended to prove resistant to being cracked by

quantum computers Quantum computing is a type of computation whose operations can harness the phenomena of quantum mechanics, such as superposition, interference, and entanglement. Devices that perform quantum computations are known as quantum computers. Though ...

References

Disk encryption Cryptographic software {{security-software-stub