AI & ChatGPT searches , social queries for ROTOR MACHINE
Search references for ROTOR MACHINE. Phrases containing ROTOR MACHINE
See searches and references containing ROTOR MACHINE!
Search references for ROTOR MACHINE. Phrases containing ROTOR MACHINE
See searches and references containing ROTOR MACHINE!ROTOR MACHINE
Class of electromechanical encryption devices, used widely from the 1920s to the 1970s
cryptography, a rotor machine is an electro-mechanical stream cipher device used for encrypting and decrypting messages. Rotor machines were the cryptographic
Rotor_machine
German cipher machine during World War II
Enigma machine was considered so secure that it was used to encipher the most top-secret messages. The Enigma has an electromechanical rotor mechanism
Enigma_machine
Technical details about the Enigma machine
about the rotors of the Enigma machine. Understanding the way the machine encrypts requires taking into account the current position of each rotor, the ring
Enigma_rotor_details
Decryption of World War II cipher
transmissions, was given the codename Ultra. The Enigma machines were a family of portable cipher machines with rotor scramblers. Good operating procedures, properly
Cryptanalysis_of_the_Enigma
Codebreaking device created at Bletchley Park (United Kingdom)
Enigma machines on the various German military networks: specifically, the set of rotors in use and their positions in the machine; the rotor core start
Bombe
Electric motor
brushless wound-rotor doubly fed electric machine. The principle of the DFIG is that stator windings are connected to the grid and rotor winding are connected
Doubly_fed_electric_machine
Electro-mechanical encryption machine
The Hebern Rotor Machine was an electro-mechanical encryption machine built by combining the mechanical parts of a standard typewriter with the electrical
Hebern_rotor_machine
Topics referred to by the same term
stator ROTOR, a former radar project in the UK following the Second World War Rotor (antenna) In mechanical engineering, the rotor is a part of a machine that
Rotor
Electron flow-powered mechanical device
uniquely. In rotating machines, the stationary portion is called the stator, while the rotating portion is the rotor. The stator and rotor may have windings
Electric_machine
Japanese diplomatic code named Purple by the US
"Type A Cipher Machine", codenamed "Red" by United States cryptanalysts. The Red machine was unreliable unless the contacts in its half-rotor switch were
Type_B_Cipher_Machine
Type of AC motor
for rotors, and electromagnets for stators. The stator creates a magnetic field that rotates in time with the oscillations of the current. The rotor turns
Synchronous_motor
Heavier-than-air aircraft with rotating wings
of several rotor blades mounted on a single mast is referred to as a rotor. Rotorcraft generally include aircraft where one or more rotors provide lift
Rotorcraft
Rotor cipher machine
(NEue MAschine) ("new machine"), also designated the T-D (Tasten-Druecker-Maschine) ("key-stroke machine"), was a 10-wheel rotor machine designed by the Swiss
NEMA_(machine)
component of some rotor cipher machines, such as the Enigma machine, that sends electrical impulses that have reached it from the machine's rotors, back in reverse
Reflector_(cipher_machine)
Rotor encryption machine
also known as Adonis was an off-line non-reciprocal rotor encryption machine. The KL-7 had rotors to encrypt the text, most of which moved in a complex
KL-7
Aircraft component
On a helicopter, the main rotor or rotor system is the combination of several rotary wings (rotor blades) with a control system, that generates the aerodynamic
Helicopter_rotor
Non-stationary part of a rotary electric motor
which produces a torque around the rotor's axis. An early example of electromagnetic rotation was the first rotary machine built by Ányos Jedlik with electromagnets
Rotor_(electric)
Type of rotorcraft
single main rotor and a single tail rotor. Although most earlier designs used more than one main rotor, the configuration of a single main rotor accompanied
Helicopter
British encryption machine
British encryption machine. It was used by the British intelligence services from around 1949 or 1950 onwards. The system is a rotor machine, and would appear
BID/60
American cipher machine
mechanical motion of rotor machines (e.g. the Hebern machine) could be exploited by attackers. In the case of the famous Enigma machine, these attacks were
SIGABA
19-20th century cipher used by the US
v t e Cipher machines Rotor machines CCM Enigma M-125 Fialka Hebern HX-63 KL-7 Lacida M-325 Mercury NEMA OMI RED SG-39 SG-41 SIGABA SIGCUM Singlet Typex
Wadsworth's_cipher
Cipher machines used by the German Army during World War II
The Lorenz SZ40, SZ42a and SZ42b were German rotor stream cipher machines used by the German Army during World War II. They were developed by C. Lorenz
Lorenz_cipher
British designation for intelligence from decrypted enemy communications
German diplomats used Enigma machines in several variants. Abwehr (German military intelligence) used a four-rotor machine without a plugboard and Naval
Ultra_(cryptography)
Helicopter with two sets of rotor blades placed on top of each other
A coaxial-rotor aircraft is an aircraft whose rotors are mounted on concentric shafts with the same axis of rotation but turn in opposite directions (contra-rotating)
Coaxial-rotor_aircraft
American cryptography machine
SIGFOY, was an American rotor machine designed by William F. Friedman and built in 1944. Between 1944 and 1946, more than 1,100 machines were deployed within
M-325
Japanese cipher machine
reverse-engineered version of a machine supplied by the firm of Boris Hagelin. Hagelin's most sophisticated systems were rotor machines similar to those used in
Type_A_Cipher_Machine
Machine that converts electrical energy into mechanical energy
energized with current. Electric machines come in salient- and nonsalient-pole configurations. In a salient-pole motor the rotor and stator ferromagnetic cores
Electric_motor
Advanced rotor machine by Boris Hagelin
rotor machine designed by Crypto AG founder Boris Hagelin. Development of the device started in 1952 and lasted a decade. The machine had nine rotors
HX-63
Dutch inventor (1870–1928)
Dutch inventor who conceived of and patented an idea for machine encryption, the rotor machine, although he was not the first to do so. He is sometimes
Hugo_Koch
German electrical engineer (1878–1929)
(filed 23 February 1918) for a cipher machine based on rotating wired wheels that is now known as a rotor machine. His first design of the Enigma was called
Arthur_Scherbius
Obsolete encryption program
and it has traditionally been implemented using a "rotor machine" algorithm based on the Enigma machine. It is considered to be cryptographically far too
Crypt_(Unix)
Differential equation in a power system
synchronous machines operating synchronously under all operating conditions. Under normal operating conditions, the relative position of the rotor axis and
Swing_equation
American cryptologist (1891–1969)
common to most rotor-machine designs. Examples of some dangerous features which allowed cracking of the generated code included having rotors step one position
William_F._Friedman
WWII-era Allied cipher system
discovered that certain rotor combinations produced a dangerously short period of 338;[citation needed] a three-rotor Enigma machine had a period of 16,900
Combined_Cipher_Machine
US cryptographic equipment
when it was replaced by more complex and secure electromechanical rotor machines, particularly the M-209. The device consisted of 25 aluminium discs
M-94_(cipher_machine)
Aircraft type
rotorcraft that generates lift and propulsion by way of one or more powered rotors (sometimes called proprotors) mounted on rotating shafts or nacelles usually
Tiltrotor
British cipher machine
early 1970s. Like Enigma, Typex was a rotor machine. Typex came in a number of variations, but all contained five rotors, as opposed to three or four in the
Typex
Soviet cipher machine
(M-125) is the name of a Cold War-era Soviet cipher machine. A rotor machine, the device uses 10 rotors, each with 30 contacts along with mechanical pins
Fialka
invention of complex mechanical and electromechanical machines, such as the Enigma rotor machine, provided more sophisticated and efficient means of encryption;
History_of_cryptography
Mechanical cipher machine
achievement for pre-electronic technology. It was a rotor machine similar to a telecipher machine, such as the Lorenz cipher and the Geheimfernschreiber
M-209
System to replace plaintext with ciphertext
of these machine were, nevertheless, breakable. William F. Friedman of the US Army's SIS early found vulnerabilities in Hebern's rotor machine, and the
Substitution_cipher
Hebern (April 23, 1869 – February 10, 1952) was an early inventor of rotor machines, devices for encryption. Edward Hugh Hebern was born in Streator, Illinois
Edward_Hebern
Rotating part of the common squirrel-cage induction motor
A squirrel-cage rotor is the rotating part of the common squirrel-cage induction motor. It consists of a cylinder of steel laminations, with aluminum
Squirrel-cage_rotor
Electromagnet used to generate a magnetic field in an electro-magnetic machine
single-phase. Many rotary electrical machines require current to be conveyed to (or extracted from) a moving rotor, usually by means of sliding contacts:
Field_coil
Process of converting plaintext to ciphertext
Encryption Pretty Good Privacy Post-quantum cryptography Rainbow table Rotor machine Side-channel attack Substitution cipher Television encryption Tokenization
Encryption
Rotor mounted on the tail of a helicopter
The tail rotor is a smaller rotor mounted vertically or near-vertically at the tail of a traditional single-rotor helicopter, where it rotates to generate
Tail_rotor
British cipher machine
was a British cipher machine used by the Air Ministry from 1950 until at least the early 1960s. Mercury was an online rotor machine descended from Typex
Mercury_(cipher_machine)
Aspect of US National Security Agency
NSA and its predecessors have produced a number of cipher devices. Rotor machines from the 1940s and 1950s were mechanical marvels. The first generation
NSA_encryption_systems
one-time pad for some traffic 1919 – Edward Hebern invents/patents first rotor machine design—Damm, Scherbius and Koch follow with patents the same year 1921 –
Timeline_of_cryptography
Proposed four-rotor derivative of the V-22 Osprey
The Bell Boeing Quad TiltRotor (QTR) is a proposed four-rotor derivative of the Bell Boeing V-22 Osprey developed jointly by Bell Helicopter and Boeing
Bell_Boeing_Quad_TiltRotor
List of Enigma machine simulators lists software implementations of the Enigma machine, a rotor cypher device that was invented by German engineer Arthur
List of Enigma machine simulators
List_of_Enigma_machine_simulators
Helicopter design variant
The slowed rotor principle is used in the design of some helicopters. On a conventional helicopter the rotational speed of the rotor is constant; reducing
Slowed_rotor
Rotor cipher machine
The Schlüsselgerät 41 ("Cipher Machine 41"), also known as the SG-41 or Hitler mill, was a rotor cipher machine, first produced in 1941 in Nazi Germany
Schlüsselgerät_41
Rotorcraft with unpowered rotor
rotorcraft that uses an unpowered rotor in free autorotation to develop lift. A gyroplane "means a rotorcraft whose rotors are not engine-driven, except for
Autogyro
Synchronous electric motor powered by an electronic controller
outrunners (the stator is surrounded by the rotor), inrunners (the rotor is surrounded by the stator), or axial (the rotor and stator are flat and parallel). The
Brushless_DC_electric_motor
Cylindrical, rotating aerodynamic surface
A Flettner rotor is a right circular cylinder with disc end plates which is spun along its long axis. As air passes across it the Magnus effect causes
Flettner_rotor
Bladed disk; machine part
aerodynamics than conventional rotors with single blades and are lighter. They may be made by additive manufacturing, casting, machining from a solid piece of
Blisk
1950s cipher machines by Crypto AG
machines manufactured by Crypto AG starting 1951/1952. These pin-and-lug type cipher machines were advanced successors of the C-38/M-209. The machine
C-52_(cipher_machine)
Type of AC electric motor
asynchronous motor is an AC electric motor in which the electric current in the rotor that produces torque is obtained by electromagnetic induction from the magnetic
Induction_motor
Cryptology method
the Polish Cipher Bureau in decrypting German Enigma machine ciphers. The Enigma rotor cipher machine changes plaintext characters into cipher text using
Grill_(cryptology)
Secure telephone
v t e Cipher machines Rotor machines CCM Enigma M-125 Fialka Hebern HX-63 KL-7 Lacida M-325 Mercury NEMA OMI RED SG-39 SG-41 SIGABA SIGCUM Singlet Typex
STU-I
Cryptographic device
linear-feedback shift register (LFSR), used in later cryptosystems. Rotor machine Beckman, Bengt (2002). Codebreakers: Arne Beurling and the Swedish Crypto
Pinwheel_(cryptography)
Polish mathematician and cryptologist (1905–1980)
alphabet. Inside was a set of wired drums (rotors and a reflector) that scrambled the input. The machine used a plugboard to swap pairs of letters, and
Marian_Rejewski
US encryption machine, in use from 1943 until the 1960s
SIGCUM, also known as Converter M-228, was a rotor cipher machine used to encrypt teleprinter traffic by the United States Army. Hastily designed by William
SIGCUM
1987 film
R.O.T.O.R. (also known as Blue Steel and R.O.T.O.R.: Police Force) is a 1987 American science fiction action film starring Richard Gesswein, Jayne Smith
R.O.T.O.R.
Secure speech system
pseudo-random number generating system made out of relays, known as the "threshing machine", was used. The records were played on turntables, but since the timing
SIGSALY
v t e Cipher machines Rotor machines CCM Enigma M-125 Fialka Hebern HX-63 KL-7 Lacida M-325 Mercury NEMA OMI RED SG-39 SG-41 SIGABA SIGCUM Singlet Typex
Controlled_Cryptographic_Item
Device for changing direction of current
the rotor and the external circuit. It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine. Two
Commutator_(electric)
Branch of applied mechanics dealing with rotating structures
large rotors. Rotating machinery produces vibrations depending upon the structure of the mechanism involved in the process. Any faults in the machine can
Rotordynamics
World War II German cipher machine and teleprinter
British cryptanalysts. While the Enigma machine was generally used by field units, the T52 was an online machine used by Luftwaffe and German Navy units
Siemens_and_Halske_T52
Electric motor driven by an AC electrical input
magnetic field, and an inside rotor attached to the output shaft producing a second rotating magnetic field. The rotor magnetic field may be produced
AC_motor
Rotor blade design
The BERP rotor blade design was developed under the British Experimental Rotor Programme. The initial BERP rotor blades were developed in the late 1970s
BERP_rotor
Encryption tool used to perform a transposition cipher
v t e Cipher machines Rotor machines CCM Enigma M-125 Fialka Hebern HX-63 KL-7 Lacida M-325 Mercury NEMA OMI RED SG-39 SG-41 SIGABA SIGCUM Singlet Typex
Scytale
Military transport tiltrotor
Wayback Machine Rotor & Wing, 1 January 2010. Lamothe, Dan. "Ospreys leave new belly gun in the dust". Archived 8 January 2012 at the Wayback Machine Marine
Bell–Boeing_V-22_Osprey
U.S. Air Force study of UFOs (1948)
remains of Caldwell's disk-rotor aircraft were discovered. They also tracked down one of the former test pilots of the machine who told them the story of
Project_Sign
Espionage using electromagnetic leakage
with key material from one-time tapes (the SIGTOT system) or, earlier, a rotor-based key generator called SIGCUM. It used electromechanical relays in its
Tempest_(codename)
Machine for exchanging energy with a fluid
Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors
Turbomachinery
Type of electric motor
motor that induces non-permanent magnetic poles on the ferromagnetic rotor. The rotor does not have any windings. It generates torque through magnetic reluctance
Reluctance_motor
Device that extracts energy from a fluid flow
generator. A turbine is a turbomachine with at least one moving part called a rotor assembly, which is a shaft or drum with blades attached. Moving fluid acts
Turbine
cryptograph was a rotor cipher machine produced and sold by Italian firm Ottico Meccanica Italiana (OMI) in Rome. The machine had seven rotors, including a
OMI_cryptograph
Device converting mechanical into electrical energy
rotating machines driven by automotive and other internal combustion engines. The term usually applies those types with externally excited rotor coils.
Alternator
Canceled US helicopter program
attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter with low-mounted
Lockheed_AH-56_Cheyenne
Interwar Polish-intelligence cryptology agency
of three out of five to assemble in the machines on a given day. This increased the number of possible rotor orders from 6 to 60. The Biuro could then
Cipher_Bureau_(Poland)
1930s invention by Swede Boris Hagelin
C-36 were cipher machines designed by Swedish cryptographer Boris Hagelin in the 1930s. These were the first of Hagelin's cipher machines to feature the
C-36_(cipher_machine)
Topics referred to by the same term
types, for enclosing electrical service apparatus NEMA (machine), a Swiss cryptographic rotor machine Networked Environment for Music Analysis, a project
Nema
US standard for secure communications
voice family Introduction to FNBDT Archived 2016-11-04 at the Wayback Machine by NC3A discusses the prospects for FNBDT for NATO in 2003 SCIP-related
Secure Communications Interoperability Protocol
Secure_Communications_Interoperability_Protocol
Technique for spinning yarn
fibre may require a different rotor design for optimal product quality and processing speed. The first open-end machines in the United Kingdom were placed
Open-end_spinning
Combustion engine using an eccentric rotary design
Paschke. The Wankel engine's rotor is similar in shape to a Reuleaux triangle, with the sides having less curvature. The rotor spins inside a figure-eight-like
Wankel_engine
British motorcycle manufacturer
Hercules/DKW who had stopped manufacturing wankel machines. 25 production prototypes of a dual rotor machine were built in 1979 with a planned production of
Norton_Motorcycle_Company
Military code use and breaking during the Second World War
fielded a plethora of code and cipher systems, many of the latter using rotor machines. As a result, the theoretical and practical aspects of cryptanalysis
World_War_II_cryptography
Rotation of helicopter rotors by action of wind resistance rather than engine power
in which the main rotor system of a helicopter or other rotary-wing aircraft turns by the action of air moving up through the rotor, as with an autogyro
Autorotation
British telecommunications company
George Creed which was an important pioneer in the field of teleprinter machines. It was merged into the International Telephone and Telegraph Corporation
Creed_&_Company
Helicopter with two rotors turning in opposite directions
intermeshing-rotor helicopter (or synchropter) is a helicopter with a set of two main rotors turning in opposite directions, with each rotor mast mounted
Intermeshing-rotor_helicopter
Instruments used in helicopter flight
flight control system transmit mechanically to the rotor, producing aerodynamic effects on the rotor blades that make the helicopter move in a desired
Helicopter_flight_controls
Fictional depictions of aircraft
exist in this time period, the Focke-Achgelis Fa 223 was a larger, twin-rotor machine, which was used on only a limited basis. The Bell 47, in its military
Aircraft_in_fiction
obtained from no load and either short-circuit or, in case of machines, blocked rotor tests by fitting a half-circle in points O' and A. Beyond the error
Circle_diagram
Use of computer hardware to assist software in the process of data encryption
is the Scytale used by the Spartans. The Enigma machine was an electro-mechanical system cipher machine notably used by the Germans in World War II.[citation
Hardware-based_encryption
Encryption device
v t e Cipher machines Rotor machines CCM Enigma M-125 Fialka Hebern HX-63 KL-7 Lacida M-325 Mercury NEMA OMI RED SG-39 SG-41 SIGABA SIGCUM Singlet Typex
KG-84
Experimental helicopter in the US
single-engine helicopter designed by Igor Sikorsky. It had a single three-blade rotor originally powered by a 75 horsepower (56 kW) engine. The first "free" flight
Vought-Sikorsky_VS-300
Polish rotor cipher machine
The Lacida, also called LCD, was a Polish rotor cipher machine. It was designed and produced before World War II by Poland's Cipher Bureau for prospective
Lacida
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE
ROTOR MACHINE