Samsung Electronics Co., Ltd.

Ihor Vasyltsov

Bohdan Karpinskyy

Karpinskyy Bohdan

Youngnam Hwang

Yun-Hyeok Choi

Kalesnikau Aliaksei

Yongha Park

Yoo-jin Baek

Eduard Hambardzumyan

Jinmin Kim

Seung-Hwan Lee

Jae-Yong Park

Yunhyeok Choi

Wooseok Chang

Ji-Su Kim

Heonsoo Lee

Young-sik Kim

Jaewon Yang

Hyunsik Park

Suh Ho Lee

Jang-su Lee

Jun-Yeon Lee

Hee-kwan Son

Seung-Jin Kim

Joon-Ho Hwang

Chang-gyu Bak

Hambardzumyan Eduard

A processor-implemented data processing method includes: normalizing input data of an activation function comprising a division operation; determining dividend data corresponding to a dividend of the division operation by reading, from a memory, a value of a first lookup table addressed by the normalized input data; determining divisor data corresponding to a divisor of the division operation by accumulating the dividend data; and determining output data of the activation function corresponding to an output of the division operation obtained by reading, from the memory, a value of a second lookup table addressed by the dividend data and the divisor data.

Method and apparatus with data processing

The inventive concept provides a security device capable of reducing an area of a die required for implementation of a stable PUF by increasing the value of entropy from a predefined number of entropy sources and/or minimizing a blind zone of a validity checking module. The security device uses an asynchronous configuration to minimize a blind zone. In various embodiments of the inventive concept, the blind zone is generated only in a period when a reset signal is at a first logic level. Therefore, it is possible to minimize the blind zone by minimizing a period in which the reset signal is at such logic level. A semiconductor device, semiconductor package, and/or smart card can be provided with such security device, as well as a method for determining a validity of a random signal using a semiconductor security device.

Security device having physical unclonable function

A ternary content addressable memory device (TCAM) may include: a cache memory storing a look-up table with respect to a calculation result of a plurality of functions; an approximation unit configured to generate mask bits; and a controller configured to obtain an approximation input value corresponding to an input key based on the mask bits and to retrieve an output value corresponding to the obtained approximation input value from the look-up table.

Ternary content addressable memory and operating method thereof

A semiconductor memory device includes a memory cell array including first memory cells and second memory cell, and a peripheral circuit. When a first command, a first address, and first input data are received, the peripheral circuit reads first data from the first memory cells based on the first address in response to the first command, performs a first operation by using the first data and the first input data, and reads second data from the second memory cells by using a result of the first operation.

Semiconductor memory device for supporting operation of neural network and operating method of semiconductor memory device

A semiconductor device includes a processing block which comprises one or more intellectual property (IP) blocks; a scan chain which is electrically connected to the IP blocks, wherein the scan chain block has a scan in (SI) terminal and a scan out (SO) terminal; a pattern generating circuit which generates a data pattern having a plurality of bits and inputs the data pattern to the scan in (SI) terminal of the scan chain; and an analyzing circuit which determines the degree of degradation of each of the IP blocks based on a result pattern output from the scan out (SO) terminal of the scan chain.

Semiconductor device

An electronic device includes a biomedical sensor configured to generate a first signal by detecting a biomedical signal, a motion sensor configured to generate a second signal by detecting a motion, and a communication interface configured to provide a secure communication channel with another electronic device, and receive a third signal through the secure communication channel. The electronic device further includes a controller configured to generate a secret key for the secure communication channel, based on the first signal, and determine whether to perform a predetermined function, based on the second signal and the received third signal.

Method for secure synchronization and pairing between devices and apparatus using the method

A method and system for monitoring a biomedical signal employ a sensor module configured to output a continuous electrical signal by sensing the biomedical signal, a memory configured to store reference data, a transmitter configured to transmit output data via a wireless channel, and a data processing unit configured to determine whether to transmit input data via the transmitter as the output data, based on the input data, which is generated from the continuous electrical signal, and the reference data.

Method and system for monitoring continuous biomedical signal

A random number generator includes oscillating units configured to generate entropy sources and amplify the generated entropy sources, an entropy source combination unit configured to receive the entropy sources output from the oscillating units and combine the entropy sources to increase entropy, a sampling unit configured to sample a signal output from the entropy source combination unit in response to a sampling clock, and a clock generator and control unit configured to control the oscillating units and generate the sampling clock.

Random number generator

A random number generator includes a first oscillator configured to output a first oscillating signal having a first frequency. A second oscillator is configured to output a second oscillating signal having a second frequency different from the first frequency. A sampling unit is configured to receive the first and second oscillating signals. The sampling unit is configured to generate at least one entropy source by combining the received first and second oscillating signals. The sampling unit is configured to generate a random bit corresponding to the generated entropy source using a third oscillating signal. A third oscillator & control unit is configured to control the first and second oscillators and to generate the third oscillating signal. A frequency of the third oscillating signal is lower than the first and second frequencies.

An apparatus for generating a random number has high entropy. The apparatus includes a plurality of random number generators, each of which generates a metastability signal and generates a random number by using the generated metastability signal in a first mode, and in a second mode, the plurality of random number generators are connected to one another to operate as a ring oscillator.

Apparatus for generating random number

An apparatus configured to generate random numbers is provided, the apparatus having high entropy and being capable of a reduced chip size. The apparatus includes a plurality of metastable state generation units configured to generate a metastable state signal, a plurality of amplification units configured to amplify the metastable state signal, a connection signal generation unit configured to generate a first connection signal, and a first commutation unit configured to connect at least one metastable state generation unit to at least one amplification unit according to the first connection signal. For example, the number of metastable state generation units and amplification units necessary to achieve are threshold number of commutation connections can be greatly reduced as compared to conventional apparatuses for generating random numbers.

A random number generator includes a signal generator and a sampling unit. The signal generator is configured to generate an alternating sequence of metastable seed signals and oscillating signals during respective first and second half-periods of a clock signal. The oscillating signals having respective phases determined by corresponding ones of the metastable seed signals in the alternating sequence. The sampling unit is configured to detect a logic value of each consecutive oscillating signal during a portion of a respective half-period of the clock signal. The signal generator may be responsive to the clock signal and the sampling unit may be responsive to a delayed version of the clock signal.

Random number generators having metastable seed signal generators therein

A random number generating apparatus and method for generating a metastable state signal by using logic gates include a metastable state generating unit generating and outputting a metastable state signal; an amplifying unit receiving the metastable state signal from the metastable state generating unit, amplifying the received metastable state signal, and outputting the amplified metastable state signal; and a sampling unit receiving the amplified metastable state signal and a sampling clock, and sampling and outputting the amplified metastable state signal according to the sampling clock.

Growing community of inventors

Suwon-si, South Korea

Ihor Vasyltsov