Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!


+ Save concept

FreeOTFE is a discontinued open source computer program for on-the-fly disk encryption (OTFE). [1]

61 relations: Advanced Encryption Standard, Attribution (copyright), BitLocker, Block cipher mode of operation, Blowfish (cipher), C (programming language), CAST-128, CAST-256, Comparison of disk encryption software, Cryptoloop, Cybersquatting, Data Encryption Standard, Deniable encryption, Device driver, Disk encryption, Disk encryption software, Disk encryption theory, Disk partitioning, Dm-crypt, End-of-life (product), File Explorer, Fork (software development), Free and open-source software, GitHub, Hard disk drive, Hardware security module, IEEE P1619, Interactive kiosk, Linux Unified Key Setup, MARS (cryptography), MD2 (cryptography), MD4, MD5, Microsoft Windows, Multi-factor authentication, National Institute of Standards and Technology, Object Pascal, Open-source software, PKCS 11, Plausible deniability, Public domain, RAM drive, RAR (file format), RC6, RIPEMD, RSA Security, Security token, Serpent (cipher), SHA-1, SHA-2, ..., Smart card, The Open Source Definition, Tiger (cryptography), Triple DES, TrueCrypt, Twofish, USB flash drive, Whirlpool (cryptography), Windows Mobile, Windows Vista, Zip (file format). Expand index (11 more) »

Advanced Encryption Standard

The Advanced Encryption Standard (AES), also known by its original name Rijndael, is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001.

New!!: FreeOTFE and Advanced Encryption Standard · See more »

Attribution (copyright)

Attribution in copyright law, is acknowledgement as credit to the copyright holder or author of a work.

New!!: FreeOTFE and Attribution (copyright) · See more »


BitLocker is a full disk encryption feature included with Windows Vista and later.

New!!: FreeOTFE and BitLocker · See more »

Block cipher mode of operation

In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide an information service such as confidentiality or authenticity.

New!!: FreeOTFE and Block cipher mode of operation · See more »

Blowfish (cipher)

Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in a large number of cipher suites and encryption products.

New!!: FreeOTFE and Blowfish (cipher) · See more »

C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

New!!: FreeOTFE and C (programming language) · See more »


In cryptography, CAST-128 (alternatively CAST5) is a symmetric-key block cipher used in a number of products, notably as the default cipher in some versions of GPG and PGP.

New!!: FreeOTFE and CAST-128 · See more »


In cryptography, CAST-256 (or CAST6) is a symmetric-key block cipher published in June 1998.

New!!: FreeOTFE and CAST-256 · See more »

Comparison of disk encryption software

This is a technical feature comparison of different disk encryption software.

New!!: FreeOTFE and Comparison of disk encryption software · See more »


Cryptoloop is a Linux kernel's disk encryption module that relies on the Crypto API, which is a cryptography framework introduced in version 2.5.45 of the Linux kernel mainline.

New!!: FreeOTFE and Cryptoloop · See more »


Cybersquatting (also known as domain squatting), according to the United States federal law known as the Anticybersquatting Consumer Protection Act, is registering, trafficking in, or using an Internet domain name with bad faith intent to profit from the goodwill of a trademark belonging to someone else.

New!!: FreeOTFE and Cybersquatting · See more »

Data Encryption Standard

The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of electronic data.

New!!: FreeOTFE and Data Encryption Standard · See more »

Deniable encryption

In cryptography and steganography, plausibly deniable encryption describes encryption techniques where the existence of an encrypted file or message is deniable in the sense that an adversary cannot prove that the plaintext data exists.

New!!: FreeOTFE and Deniable encryption · See more »

Device driver

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.

New!!: FreeOTFE and Device driver · See more »

Disk encryption

Disk encryption is a technology which protects information by converting it into unreadable code that cannot be deciphered easily by unauthorized people.

New!!: FreeOTFE and Disk encryption · See more »

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.

New!!: FreeOTFE and Disk encryption software · See more »

Disk encryption theory

Disk encryption is a special case of data at rest protection when the storage medium is a sector-addressable device (e.g., a hard disk).

New!!: FreeOTFE and Disk encryption theory · See more »

Disk partitioning

Disk partitioning or disk slicing is the creation of one or more regions on a hard disk or other secondary storage, so that an operating system can manage information in each region separately.

New!!: FreeOTFE and Disk partitioning · See more »


dm-crypt is a transparent disk encryption subsystem in Linux kernel versions 2.6 and later and in DragonFly BSD.

New!!: FreeOTFE and Dm-crypt · See more »

End-of-life (product)

"End-of-life" (EOL) is a term used with respect to a product supplied to customers, indicating that the product is in the end of its useful life (from the vendor's point of view), and a vendor stops marketing, selling, or rework sustaining it.

New!!: FreeOTFE and End-of-life (product) · See more »

File Explorer

File Explorer, previously known as Windows Explorer, is a file manager application that is included with releases of the Microsoft Windows operating system from Windows 95 onwards.

New!!: FreeOTFE and File Explorer · See more »

Fork (software development)

In software engineering, a project fork happens when developers take a copy of source code from one software package and start independent development on it, creating a distinct and separate piece of software.

New!!: FreeOTFE and Fork (software development) · See more »

Free and open-source software

Free and open-source software (FOSS) is software that can be classified as both free software and open-source software.

New!!: FreeOTFE and Free and open-source software · See more »


GitHub Inc. is a web-based hosting service for version control using Git.

New!!: FreeOTFE and GitHub · See more »

Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

New!!: FreeOTFE and Hard disk drive · See more »

Hardware security module

A hardware security module (HSM) is a physical computing device that safeguards and manages digital keys for strong authentication and provides cryptoprocessing.

New!!: FreeOTFE and Hardware security module · See more »

IEEE P1619

Institute of Electrical and Electronics Engineers (IEEE) standardization project for encryption of stored data, but more generically refers to the Security in Storage Working Group (SISWG), which includes a family of standards for protection of stored data and for the corresponding cryptographic key management.

New!!: FreeOTFE and IEEE P1619 · See more »

Interactive kiosk

An interactive kiosk is a computer terminal featuring specialized hardware and software that provides access to information and applications for communication, commerce, entertainment, or education.

New!!: FreeOTFE and Interactive kiosk · See more »

Linux Unified Key Setup

In computing, the Linux Unified Key Setup or LUKS is a disk encryption specification created by Clemens Fruhwirth in 2004 and originally intended for Linux.

New!!: FreeOTFE and Linux Unified Key Setup · See more »

MARS (cryptography)

MARS is a block cipher that was IBM's submission to the Advanced Encryption Standard process.

New!!: FreeOTFE and MARS (cryptography) · See more »

MD2 (cryptography)

The MD2 Message-Digest Algorithm is a cryptographic hash function developed by Ronald Rivest in 1989.

New!!: FreeOTFE and MD2 (cryptography) · See more »


The MD4 Message-Digest Algorithm is a cryptographic hash function developed by Ronald Rivest in 1990.

New!!: FreeOTFE and MD4 · See more »


The MD5 algorithm is a widely used hash function producing a 128-bit hash value.

New!!: FreeOTFE and MD5 · See more »

Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

New!!: FreeOTFE and Microsoft Windows · See more »

Multi-factor authentication

Multi-factor authentication (MFA) is a method of confirming a user's claimed identity in which a user is granted access only after successfully presenting 2 or more pieces of evidence (or factors) to an authentication mechanism: knowledge (something they and only they know), possession (something they and only they have), and inherence (something they and only they are).

New!!: FreeOTFE and Multi-factor authentication · See more »

National Institute of Standards and Technology

The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.

New!!: FreeOTFE and National Institute of Standards and Technology · See more »

Object Pascal

Object Pascal refers to a branch of object-oriented derivatives of Pascal, mostly known as the primary programming language of Delphi.

New!!: FreeOTFE and Object Pascal · See more »

Open-source software

Open-source software (OSS) is a type of computer software whose source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.

New!!: FreeOTFE and Open-source software · See more »


In cryptography, PKCS #11 is one of the Public-Key Cryptography Standards, and also refers to the programming interface to create and manipulate cryptographic tokens.

New!!: FreeOTFE and PKCS 11 · See more »

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 others in an organizational hierarchy because of a lack of evidence that can confirm their participation, even if they were personally involved in or at least willfully ignorant of the actions.

New!!: FreeOTFE and Plausible deniability · See more »

Public domain

The public domain consists of all the creative works to which no exclusive intellectual property rights apply.

New!!: FreeOTFE and Public domain · See more »

RAM drive

A RAM drive (also called a RAM disk) is a block of random-access memory (primary storage or volatile memory) that a computer's software is treating as if the memory were a disk drive (secondary storage).

New!!: FreeOTFE and RAM drive · See more »

RAR (file format)

RAR is a proprietary archive file format that supports data compression, error recovery and file spanning.

New!!: FreeOTFE and RAR (file format) · See more »


In cryptography, RC6 (Rivest cipher 6) is a symmetric key block cipher derived from RC5.

New!!: FreeOTFE and RC6 · See more »


RIPEMD (RACE Integrity Primitives Evaluation Message Digest) is a family of cryptographic hash functions developed in Leuven, Belgium, by Hans Dobbertin, Antoon Bosselaers and Bart Preneel at the COSIC research group at the Katholieke Universiteit Leuven, and first published in 1996.

New!!: FreeOTFE and RIPEMD · See more »

RSA Security

RSA Security LLC, formerly RSA Security, Inc. and doing business as RSA, is an American computer and network security company.

New!!: FreeOTFE and RSA Security · See more »

Security token

Security tokens are physical devices used to gain access to an electronically restricted resource.

New!!: FreeOTFE and Security token · See more »

Serpent (cipher)

Serpent is a symmetric key block cipher that was a finalist in the Advanced Encryption Standard (AES) contest, where it was ranked second to Rijndael.

New!!: FreeOTFE and Serpent (cipher) · See more »


In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest - typically rendered as a hexadecimal number, 40 digits long.

New!!: FreeOTFE and SHA-1 · See more »


SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA).

New!!: FreeOTFE and SHA-2 · See more »

Smart card

A smart card, chip card, or integrated circuit card (ICC), is any pocket-sized card that has embedded integrated circuits.

New!!: FreeOTFE and Smart card · See more »

The Open Source Definition

The Open Source Definition is a document published by the Open Source Initiative, to determine whether a software license can be labeled with the open-source certification mark.

New!!: FreeOTFE and The Open Source Definition · See more »

Tiger (cryptography)

In cryptography, Tiger is a cryptographic hash function designed by Ross Anderson and Eli Biham in 1995 for efficiency on 64-bit platforms.

New!!: FreeOTFE and Tiger (cryptography) · See more »

Triple DES

In cryptography, Triple DES (3DES), officially the Triple Data Encryption Algorithm (TDEA or Triple DEA), is a symmetric-key block cipher, which applies the DES cipher algorithm three times to each data block.

New!!: FreeOTFE and Triple DES · See more »


TrueCrypt is a discontinued source-available freeware utility used for on-the-fly encryption (OTFE).

New!!: FreeOTFE and TrueCrypt · See more »


In cryptography, Twofish is a symmetric key block cipher with a block size of 128 bits and key sizes up to 256 bits.

New!!: FreeOTFE and Twofish · See more »

USB flash drive

A USB flash drive, also variously known as a thumb drive, pen drive, gig stick, flash stick, jump drive, disk key, disk on key (after the original M-Systems DiskOnKey drive from 2000), flash-drive, memory stick (not to be confused with the Sony Memory Stick), USB stick or USB memory, is a data storage device that includes flash memory with an integrated USB interface.

New!!: FreeOTFE and USB flash drive · See more »

Whirlpool (cryptography)

In computer science and cryptography, Whirlpool (sometimes styled WHIRLPOOL) is a cryptographic hash function.

New!!: FreeOTFE and Whirlpool (cryptography) · See more »

Windows Mobile

Windows Mobile is a discontinued family of mobile operating systems developed by Microsoft for smartphones and Pocket PCs.

New!!: FreeOTFE and Windows Mobile · See more »

Windows Vista

Windows Vista (codenamed Longhorn) is an operating system by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs.

New!!: FreeOTFE and Windows Vista · See more »

Zip (file format)

ZIP is an archive file format that supports lossless data compression.

New!!: FreeOTFE and Zip (file format) · See more »

Redirects here:

3otfe, 3otfe4pda, 3otfeforpda, F4PDA, FEXPL, Fotfe, FreeOTFE Explorer, FreeOTFE4PDA, Freeotfe, Freeotfe4pda, Freeotfeforpda, Freotfe, Freotfe4pda, Freotfeforpda, LibreCrypt.


[1] https://en.wikipedia.org/wiki/FreeOTFE

Hey! We are on Facebook now! »