公开(公告)号：MY149425A

公开(公告)日：2013-08-30

申请号：MYPI2010005726

申请日：2010-12-02

Applicant: MIMOS BERHAD

Inventor： SURYADI ,  ZAIN MOHD NORZALIMAN BIN MOHD ,  KHIR MOHD FARED ABDUL ,  YUSOF ZALHAN MD ,  SAHARUDIN SUHAIRI ,  WAHIDDIN MOHAMED RIDZA

IPC: H04L9/00

Abstract: THE PRESENT INVENTION PROVIDES A SYSTEM (100) FOR PERFORMING QUANTUM KEY DISTRIBUTION BY SECURELY SWITCHING BETWEEN DETERMINISTIC AND NON-DETERMINISTIC PROTOCOL. THE SYSTEM COMPRISING AT LEAST ONE RANDOM POLARIZATION ENCODED PHOTON SOURCE (102, 104), AT LEAST ONE OPTICAL SWITCH (108), AT LEAST ONE SET OF DETECTOR FOR DETERMINISTIC PROTOCOL (116) AND A SET OF DETECTOR FOR NON-DETERMINISTIC PROTOCOL (122) AND A PLURALITY OF ELECTRONIC LOGIC GATES (118,120). THE SAID RANDOM POLARIZATION ENCODED PHOTON SOURCE (102, 104) COMPRISING ATTENUATED PULSE LASER PUMPS AND OPTICAL COMPONENTS FOR RANDOMLY GENERATING POLARIZATION PHOTON STATES WHILE THE SAID OPTICAL SWITCH (108) HAVING AT LEAST ONE INPUT PORT AND AT LEAST TWO OUTPUT PORTS FOR SWITCHING SINGLE PHOTONS. THE SAID POLARIZATION ENCODED PHOTON FLIPPER (110) RANDOMLY FLIP POLARIZATION STATE OF ENCODED PHOTON WHILE THE SAID DETECTOR FOR DETERMINISTIC PROTOCOL (116) AND DETECTOR FOR NON- DETERMINISTIC PROTOCOL (122) HAVING ACTIVE BASIS SELECTOR (114) AND OPTICAL COMPONENTS FOR MEASURING AND DISCRIMINATING SINGLE PHOTON POLARIZATION STATES AND THE SAID ELECTRONIC LOGIC GATES COMPRISING ELECTRONIC CONTROLLER, TIMER AND ANALYZER (118, 120) FOR CONTROLLING POLARIZATION STATES OF PHOTON TO BE SENT, CONTROLLING OPTICAL SWITCH BASED ON QUANTUM BIT ERROR RATE (QBER), CONTROLLING POLARIZATION ENCODED PHOTON FLIPPER (110) AND CONTROLLING ACTIVE BASIS SELECTOR (114). ANOTHER EMBODIMENT OF THE PRESENT INVENTION PROVIDES A METHOD (200) FOR PERFORMING QUANTUM KEY DISTRIBUTION BY SECURELY SWITCHING BETWEEN DETERMINISTIC AND NON-DETERMINISTIC PROTOCOL. THE METHOD COMPRISING STEPS OF GENERATING RANDOM POLARIZATION ENCODED PHOTONS (202), TRANSMITTING ENCODED PHOTONS TO OPTICAL SWITCH (204), SENDING ENCODED PHOTON TO POLARIZATION ENCODED PHOTON FLIPPER TO FLIP POLARIZATION STATE OF ENCODED PHOTON (206), ROTATING POLARIZATION STATE OF ENCODED PHOTON USING ACTIVE BASIS SELECTOR (208), FORWARDING ENCODED PHOTON TO DETERMINISTIC DETECTOR TO MEASURE POLARIZATION STATE OF ENCODED PHOTON (210), CALCULATING QUANTUM BIT ERROR RATE (QBER) TO DETERMINE TYPE OF PROTOCOL TO BE USED (212), DETERMINING EXCHANGE OF DETERMINISTIC PROTOCOL TO NON-DETERMINISTIC PROTOCOL BASED ON CALCULATION OF QUANTUM BIT ERROR RATE (QBER) (214), SWITCHING ENCODED PHOTON TO NON-DETERMINISTIC DETECTOR WHEN QUANTUM BIT ERROR RATE (QBER) IN DETERMINISTIC PROTOCOL IS GREATER THAN MAXIMUM THRESHOLD VALUE (216) AND PERFORMING ERROR CORRECTION WHEN QUANTUM BIT ERROR RATE (QBER) IS LOWER THAN MAXIMUM THRESHOLD VALUE TO CONTINUE WITH DETERMINISTIC PROTOCOL (226).

公开(公告)号：MY145389A

公开(公告)日：2012-01-26

申请号：MYPI20094827

申请日：2009-11-13

Applicant: MIMOS BERHAD

Inventor： MAJEED MOHAMMED MUNTHER A ,  AL-KHATEEB KHALID A S ,  SAEB MAGDY M ,  WAHIDDIN MOHAMED RIDZA

IPC: H04L9/08

Abstract: A METHOD FOR A SECURE KEY DISTRIBUTION PROTOCOL BASED ON HASH FUNCTIONS UTILIZING QUANTUM AUTHENTICATION CHANNEL (KDP-6DP) (200), COMPRISING AUTHENTICATING (210) A RECEIVER USING QUANTUM AUTHENTICATION CHANNEL AND DISTRIBUTING (220) SECURE KEY FROM SENDER TO THE RECEIVER BY ENCRYPTING MESSAGE USING HASH FUNCTIONS (222). AUTHENTICATING THE RECEIVER USING QUANTUM AUTHENTICATION CHANNEL FURTHER COMPRISES PREPARING SIX QUANTUM STATES AT A SENDER (212), SENDING TWO QUANTUM STATES TO THE RECEIVER (214), FLIPPING THE QUANTUM STATES AT THE RECEIVER (216), SENDING BACK THE FLIPPED QUANTUM STATES TO THE SENDER (216), AND VALIDATING THE QUANTUM STATES AT THE SENDER (218).

公开(公告)号：MY153911A

公开(公告)日：2015-04-15

申请号：MYPI2010004432

申请日：2010-09-23

Applicant: MIMOS BERHAD

Inventor： HASIM NORSHAMSURI ALI ,  SAHARUDIN SUHAIRI ,  WAHIDDIN MOHAMED RIDZA

IPC: H04L9/08

Abstract: AN APPARATUS AND METHOD (100) FOR DUAL CODING COHERENT PHASE PROTOCOL IN QUANTUM KEY DISTRIBUTION (QKD) SYSTEM USING A COHERENT LASER SOURCE (102), AN INTENSITY MODULATOR (103) AND A PHASE MODULATOR (105) IS DISCLOSED. THE SYSTEM COMPRISES TWO LEVELS OF ENCODING AND SIX TYPES OF DECOY BITS TO FURTHER IMPROVE SECURITY OF THE SECRET KEYS. THE SYSTEM COMPRISES AN INTENSITY MODULATOR FOR INTENSITY CODING WHEREIN A SECRET KEY IS CODED, MEANS TO GENERATE A TRAIN OF PULSES WITH BITS ?1? FOR WEAK COHERENCE PULSE (WCP AND BITS ?0? FOR VACUUM PULSE; AND A PHASE MODULATOR FOR DIFFERENTIAL PHASE CODING COMPRISES THE INTENSITY CODED SECRET KEY FURTHER CODED WITH BITS ?1? FOR PHASE DIFFERENCE OF 0; BITS ?0? FOR PHASE DIFFERENCE OF ? FOR WEAK COHERENCE PULSE (WCP); AND DECOY BITS FOR OTHER ORIENTATION PHASE DIFFERENCE OF VACUUM PULSE AND WCP.

公开(公告)号：MY151870A

公开(公告)日：2014-07-14

申请号：MYUI20083600

申请日：2008-09-16

Applicant: MIMOS BERHAD

Inventor： SURYADI ,  ZAIN MOHD NORZALIMAN BIN MOHD ,  WAHIDDIN MOHAMED RIDZA

IPC: G06F7/58

Abstract: A METHOD (100) AND APPARATUS (200) FOR QUANTUM-MECHANICALLY GENERATING A RANDOM NUMBER BASED ON POLARIZATION STATES OF SPONTANEOUS PARAMETRIC DOWN-CONVERTED PHOTONS. THE METHOD (100) AND APPARATUS (200) COMPRISES A PHOTON SOURCE (202) TO GENERATE A BEAM OF PHOTONS (102), A FIRST TYPE-I NONLINEAR CRYSTAL (206) AND A TYPE-I SECOND NONLINEAR CRYSTAL (207) TO DOWN-CONVERT THE BEAM OF PHOTONS THROUGH SPONTANEOUS PARAMETRIC DOWN CONVERSIONS TO GENERATE A PAIR OF UNIDIRECTIONAL BEAM OF PHOTONS WITH RANDOM POLARIZATION STATES (104), CHARACTERIZED IN THAT THE FIRST TYPE-I NONLINEAR CRYSTAL (206) IS ADJACENT TO THE SECOND TYPE-I NONLINEAR CRYSTAL (207) AND OPTICAL AXIS OF THE FIRST TYPE-I NONLINEAR CRYSTAL (206) IS ORTHOGONAL TO OPTICAL AXIS OF THE SECOND TYPE-I NONLINEAR CRYSTAL (208), A POLARIZED BEAM SPLITTER (210) TO SPLIT THE PAIR OF UNIDIRECTIONAL BEAM OF PHOTONS BASED ON POLARIZATION STATES OF THE PAIR OF UNIDIRECTIONAL BEAM OF PHOTONS INTO A BEAM OF HORIZONTALLY POLARIZED PHOTONS AND A BEAM OF VERTICALLY POLARIZED PHOTONS (106), A FIRST DETECTOR (212) AND A SECOND DETECTOR (214) TO DETECT THE PRESENCE OF THE BEAM OF HORIZONTALLY POLARIZED PHOTONS AND THE BEAM OF VERTICALLY POLARIZED PHOTONS RESPECTIVELY (108), AND AN ELECTRONIC LOGIC (216) TO ASSIGN A FIRST VALUE TO EVERY PHOTON IN THE BEAM OF HORIZONTALLY POLARIZED PHOTONS AND ASSIGN A SECOND VALUE TO EVERY PHOTON IN THE BEAM OF VERTICALLY POLARIZED PHOTONS TO GENERATE A RANDOM NUMBER (110). THE MOST ILLUSTRATIVE DRAWINGS:

公开(公告)号：MY150357A

公开(公告)日：2013-12-31

申请号：MYPI2010005206

申请日：2010-11-04

Applicant: MIMOS BERHAD

Inventor： WAHIDDIN MOHAMED RIDZA ,  MAMADOLIMOV ABDURASHID ,  MOHAMAD MOESFA SOEHEILA ,  MAHOD RAMLAN

IPC: H04L9/06

Abstract: ONE EMBODIMENT OF THE PRESENT INVENTION IS A METHOD OF LINEAR TRANSFORMATION IN SUBSTITUTION-PERMUTATION NETWORK SYMMETRIC-KEY BLOCK CIPHER PRODUCING N X N KEY- DEPENDENT MDS MATRICES FROM GIVEN N X N MDS MATRIX BY SCALAR MULTIPLICATION AND PERMUTATIONS OF ELEMENTS OF GIVEN MATRIX WHERE MULTIPLICATIVE SCALAR AND PERMUTATIONS ARE DERIVED FROM BINARY INPUTS OF LENGTH I.THE METHOD COMPRISING DERIVING MULTIPLICATIVE SCALAR FROM BINARY INPUT; MULTIPLYING GIVEN MATRIX WITH MULTIPLICATIVE SCALAR, PRODUCING FIRST INTERMEDIATE MATRIX; DERIVING FIRST PERMUTATION OF N OBJECTS FROM BINARY INPUT; PERMUTING ROWS OF FIRST INTERMEDIATE MATRIX ACCORDING TO FIRST PERMUTATION, PRODUCING SECOND INTERMEDIATE MATRIX; DERIVING SECOND PERMUTATION OF N OBJECTS FROM BINARY INPUT; AND PERMUTING COLUMNS OF SECOND INTERMEDIATE MATRIX ACCORDING TO SECOND PERMUTATION TO PRODUCE FINAL MDS MATRIX.ANOTHER EMBODIMENT OF THE PRESENT INVENTION IS A METHOD OF LINEAR TRANSFORMATION IN SUBSTITUTION-PERMUTATION NETWORK SYMMETRIC-KEY BLOCK CIPHER PRODUCING N X N KEY-DEPENDENT MDS MATRICES FROM GIVEN N X N MDS MATRIX BY SCALAR MULTIPLICATION AND PERMUTATIONS OF ELEMENTS OF GIVEN MATRIX WHERE MULTIPLICATIVE SCALAR AND PERMUTATIONS ARE DERIVED FROM BINARY INPUTS OF LENGTH I THE METHOD COMPRISING DERIVING MULTIPLICATIVE SCALAR FROM THE KEY (202); MULTIPLYING GIVEN MATRIX WITH MULTIPLICATIVE SCALAR TO PRODUCE FIRST INTERMEDIATE MATRIX (204); DERIVING FIRST PERMUTATION OF N OBJECTS FROM THE KEY (206); PERMUTING ROWS OF FIRST INTERMEDIATE MATRIX ACCORDING TO FIRST PERMUTATION TO PRODUCE SECOND INTERMEDIATE MATRIX (208); DERIVING SECOND PERMUTATION OF N OBJECTS FROM THE KEY (304); AND PERMUTING COLUMNS OF SECOND INTERMEDIATE MATRIX ACCORDING TO SECOND PERMUTATION (212) TO PRODUCE FINAL MDS MATRIX (214).

公开(公告)号：MY150189A

公开(公告)日：2013-12-13

申请号：MYPI2010004499

申请日：2010-09-27

Applicant: MIMOS BERHAD

Inventor： ALI SELLAMI ,  WITJAKSONO GUNAWAN ,  WAHIDDIN MOHAMED RIDZA

IPC: H04L9/08 ,  H04B10/70

Abstract: A SYSTEM AND METHOD OF QUANTUM KEY DISTRIBUTION BETWEEN A TRANSMITTER (100) AND A RECEIVER (200), WHEREIN THE SYSTEM COMPRISES AT LEAST ONE TRANSMITTER (100), AT LEAST ONE RECEIVER (200, AND A TRANSMISSION MEANS (26) FOR SHARING A SECRET KEY SECURELY THROUGH THE MEANS OF GENERATING QUANTUM SIGNALS IN RANDOM PHASE MODULATION AND RANDOM FREQUENCY MODULATION, IN AN INCREASED LENGTH OF KEY.

公开(公告)号：MY149272A

公开(公告)日：2013-08-15

申请号：MYPI20092675

申请日：2009-06-24

Applicant: MIMOS BERHAD

Inventor： ALI SELLAMI ,  WAHIDDIN MOHAMED RIDZA

IPC: H04L9/00

Abstract: A METHOD FOR USE IN QUANTUM CRYPTOGRAPHY SYSTEM, PARTICULARLY FOR ENHANCING THE SECURITY LEVEL OF OBTAINING THE CRYPTOGRAPHIC KEY TO ENCODE THE INFORMATION COMMUNICATED BETWEEN TO LEGITIMATE PARTIES. A PLURALITY OF REFERENCE SIGNALS (RS) WITH DIFFERENT FREQUENCIES AND AMPLITUDES ARE TRANSMITTED BY ALICE TO BOB, FOLLOWED BY TRANSMITTING A PLURALITY OF QUANTUM SIGNALS (QS) WITH DIFFERENT INTERVAL TIMES AND AMPLITUDES. BOB MEASURES THE ARRIVAL TIME OF THE REFERENCE SIGNALS (RS) AND QUANTUM SIGNALS (QS) AT HIS END, AND REPORTS TO ALICE. ALICE PROVIDES THE ACCURATE ARRIVAL TIMES AND BOB DISCARDS THE ERRONEOUS ONES. BASED ON THE PREFERRED EMBODIMENTS OF THE PRESENT INVENTION, THE KEY IS OBTAINED BY WAY OF MEASURING THE ARRIVAL TIMES OF REFERENCE SIGNALS (RS) AND QUANTUM SIGNALS (QS).

公开(公告)号：WO2009157753A3

公开(公告)日：2010-04-22

申请号：PCT/MY2009000083

申请日：2009-06-26

Applicant: MIMOS BERHAD ,  WAHIDDIN MOHAMED RIDZA ,  KULIK SERGEY

Inventor： WAHIDDIN MOHAMED RIDZA ,  KULIK SERGEY

IPC: H04B10/114 ,  H04B10/70 ,  H04J14/02 ,  H04L9/08

CPC classification number: H04B10/114 ,  H04B10/70 ,  H04J14/02 ,  H04J14/06 ,  H04L9/0858

Abstract: The present invention relates a system for preparation and unitary transformation of quantum states. This system performs transformations quickly in time by regular polarisation transformers. Another advantage of the system of the present invention is able to control all polarisation states, which are necessary to implement the protocol and can be realised by regular polarisation elements.

Abstract translation: 本发明涉及量子态的制备和单位变换系统。 该系统通过常规偏振变压器及时快速地进行变换。 本发明的系统的另一个优点是能够控制实现协议所必需的所有极化状态，并且可以通过常规偏振元件来实现。

公开(公告)号：WO2011059306A2

公开(公告)日：2011-05-19

申请号：PCT/MY2010000190

申请日：2010-09-30

Applicant: MIMOS BERHAD ,  MAJEED MOHAMMED MUNTHER A ,  AL-KHATEEB KHALID A S ,  SAEB MAGDY M ,  WAHIDDIN MOHAMED RIDZA

Inventor： MAJEED MOHAMMED MUNTHER A ,  AL-KHATEEB KHALID A S ,  SAEB MAGDY M ,  WAHIDDIN MOHAMED RIDZA

CPC classification number: H04L9/0852 ,  H04L9/3236

Abstract: A method for a secure key distribution protocol based on hash functions utilizing quantum authentication channel (KDP-6DP) (200), comprising authenticating (210) a receiver using quantum authentication channel and distributing (220) secure key from sender to the receiver by encrypting message using hash functions (222). Authenticating the receiver using quantum authentication channel further comprises preparing six quantum states at a sender (212), sending two quantum states to the receiver (214), flipping the quantum states at the receiver (216), sending back the flipped quantum states to the sender (216), and validating the quantum states at the sender (218).

Abstract translation: 一种基于使用量化认证信道（KDP-6DP）的散列函数的安全密钥分发协议的方法（200），包括使用量子认证信道认证（210）接收机，并通过加密将（220）安全密钥从发送方分发到接收方 消息使用散列函数（222）。 使用量子认证通道验证接收器还包括在发送器（212）处准备六个量子态，向接收器（214）发送两个量子态，在接收器（216）处翻转量子态，将翻转的量子态发送回到 发送器（216），并且在发送器（218）处验证量子状态。

公开(公告)号：WO2010033013A3

公开(公告)日：2010-07-01

申请号：PCT/MY2009000147

申请日：2009-09-16

Applicant: MIMOS BERHAD ,  SURYADI ,  NORZALIMAN BIN MOHD ZAIN MOHD ,  WAHIDDIN MOHAMED RIDZA

Inventor： SURYADI ,  NORZALIMAN BIN MOHD ZAIN MOHD ,  WAHIDDIN MOHAMED RIDZA

IPC: G06F7/58

CPC classification number: G06F7/588 ,  H04L9/0852 ,  H04L9/0866

Abstract: A method (100) and apparatus (200) for quantum-mechanically generating a random number based on polarization states of spontaneous parametric down- converted photons. The method (100) and apparatus (200) comprises a photon source (202) to generate a beam of photons (102), a first type-l nonlinear crystal (206) and a type-l second nonlinear crystal (207) to down-convert the beam of photons through spontaneous parametric down conversions to generate a pair of unidirectional beam of photons with random polarization states (104), characterized in that the first type-l nonlinear crystal (206) is adjacent to the second type-l nonlinear crystal (207) and optical axis of the first type-l nonlinear crystal (206) is orthogonal to optical axis of the second type-l nonlinear crystal (208), a polarized beam splitter (210) to split the pair of unidirectional beam of photons based on polarization states of the pair of unidirectional beam of photons into a beam of horizontally polarized photons and a beam of vertically polarized photons (106), a first detector (212) and a second detector (214) to detect the presence of the beam of horizontally polarized photons and the beam of vertically polarized photons respectively (108), and an electronic logic (216) to assign a first value to every photon in the beam of horizontally polarized photons and assign a second value to every photon in the beam of vertically polarized photons to generate a random number (110).

Abstract translation: 一种用于基于自发参变下转换光子的偏振态来量子机械地产生随机数的方法（100）和装置（200）。 方法（100）和装置（200）包括产生光子束（102）的光子源（202），第一类型-1非线性晶体（206）和类型-1第二非线性晶体（207） - 通过自发参数向下转换来转换光子束以产生具有随机偏振态的一对单向光子束（104），其特征在于，第一类型-1非线性晶体（206）与第二类型-1非线性 晶体（207）和第一类型-1非线性晶体（206）的光轴与第二类-1非线性晶体（208）的光轴正交;偏振分束器（210），用于将第一类非线性晶体 基于所述一对单向光子束的偏振态将光子转换成水平偏振光子束和垂直偏振光子束（106），第一检测器（212）和第二检测器（214），以检测所述光子的存在 水平极化的光子束 垂直极化光子束（108）以及电子逻辑（216），以向水平极化光子束中的每个光子分配第一值，并为垂直极化光子束中的每个光子分配第二值以产生 一个随机数（110）。